• how to display hidden local directories and files and
• how to display hidden FTP directories and files

Really, Total Commander should just control this setting in one place but, unfortunately, it is not the case.

I usually prefer when my file manager shows me everything I have, so that I can be more in control and see the hidden directories, such as .svn or $Recycle.Bin, and files, such as .bashrc or pagefile.sys.

How To Display Hidden Local Directories And Files

• go to Configuration -> Options… -> Display
• put a check next to the "Show hidden/system files (for experts only)"

How To Display Hidden FTP Directories And Files

This one is a bit trickier – you would think the same option as above controls this, and you would be wrong.

Furthermore, you would think that it's an option in the FTP manager (Ctrl-F), and you would be wrong again.

Here is how to do it:

• connect to the FTP server you need
• select Net -> FTP Show Hidden Files

Weird choice for an option, isn't it?

Apparently, at least as of Total Commander 7.50a, this option persists while Total Commander is running but it is not saved when you restart it.

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If you use a VPN (Virtual Private Network), this tip is for you.

The Problem

• you connect to a VPN to get access to your work/whatever network
• your connection is fast but the VPN connection is balls slow
• you try to stream a bit of online radio, go to a website, watch a video, or do anything, which is automatically routed through the VPN connection but everything TAKES AGES because the VPN connection is the limiting factor
• so not only are you frustrated by hiccupping radio, stuttering video, and a never disappearing progress bar but you're also making your already slow link slower, so now remote desktop and other activity for which you've VPN'ed in the first place is taking even longer

Familiar situation? You bet.

The Solution

This solution is for Windows users only but I'm sure similar settings are available in MacOS, Linux, etc.

Here in particular I am using Windows 7 but this solution applies to Windows XP and Vista as well (the menus look only slightly different for those).

1. Open up the VPN Connection's Properties

These properties can be reached by right clicking on the VPN connection in the list of networks and selecting Properties.

2. Go to the TCP Properties

On Windows XP, you might see only the "Internet Protocol (TCP/IP)", while on Windows 7 you will see both IPv4 and IPv6. You will most likely need to select IPv4 then.

3. Head to the Advanced settings

4. Uncheck the "Use default gateway on remote network" checkbox

5. Restart the VPN connection

This should do the trick.

The New Behavior

The new behavior from what I can tell is:

• use a local connection, such as your WiFi or wired connection, so your radio, streaming video, websites, etc should now bypass the VPN connection
• if the request above fails, Windows should only then fall back on the VPN connection

When Not To Use This Tweak

Do not use this tweak if you rely on the VPN to always encrypt all your network traffic.

Temporarily disable this tweak if normally you are OK with not encrypting all of your traffic but are currently using an unsecure network. Examples include a WiFi connection that does not prompt for a password or a public network, such as an Internet cafe.

Enjoy your faster VPN experience!

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And then I found it:

Right click here and Save As to download the 1920×1200 version

And that's how you set up your iMac people.

Credit goes to Jonzy from DeviantArt.

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Everyone who uses SVN knows that most repositories are set up to allow viewing of their contents via a web browser. For example, here's the trunk of WP Plugins SVN: http://plugins.svn.wordpress.org/ and here is the current trunk version of a specific file, let's say http://plugins.svn.wordpress.org/stats/trunk/readme.txt.

The Problem

However, what if you wanted to view a specific revision of a file or directory in your browser?

Let's say I wanted revision 100,000 of http://plugins.svn.wordpress.org/stats/trunk/readme.txt

Normally, on a command line, you'd do something like

svn co http://plugins.svn.wordpress.org/stats/trunk/readme.txt stats
cd stats;
svn up -r100000 readme.txt

or simply

svn export -r100000 http://plugins.svn.wordpress.org/stats/trunk/readme.txt

However, how would you do this in your browser? Trying something like ?r=100000 or ?revision=100000 parameters doesn't work.

The Solution

Here is the syntax to get a specific revision of a file or directory:

1. Take the root of the repository (in our case, http://plugins.svn.wordpress.org)
2. Append this string !svn/bc/REVISION_NUMBER right after the repository root and before the directory or file path.

Going back to our example:

• http://plugins.svn.wordpress.org/!svn/bc/100000/stats/

  shows the stats directory exactly as it was at revision 100,000 and

• http://plugins.svn.wordpress.org/!svn/bc/100000/stats/trunk/readme.txt

  shows our readme.txt at 100,000.

And that's how you do it, folks. Happy revisioning!

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In this review I'm going to take a look at a pair of 2010 thirtytwo Focus Boa snowboard boots that I picked up a few weeks ago, after spending a day demoing them in the snow at a resort in Tahoe.

Even though I am an avid snowboarder (I try to go to the snow almost every weekend during the winter), I haven't evaluated my gear in years. This season, however, I decided to take a look at my options with the snowboard boots.

The Upgrade

It was only after the shoelace on one of my 5 year old Salomon Dialogue boots snapped that I even considered checking out other boots. I was always *kind of* happy with the Dialogues but never really fully happy.

Here are some reasons you, like me, might not be happy with your boots:

• They were hard to get into and yet my foot would move around inside. They were comfortable to walk around in but little did I know that it was actually a sign of the wrong boot size – more on that later.
• The outer lace, which uses this seemingly pretty cool one-pull quicklace, would actually constantly loosen itself.
• The inner lace never really tightened well either.
• They're kind of ugly… Here, check my old ones out.

To cut the long story short, after trying on a few different models and weighing all positives and negatives, I selected the 2010 thirtytwo Focus Boas for my demo day. The next day, absolutely in love with them, I came back and bought a pair on the spot.

Main Highlights

Here are some highlights that make these boots top notch:

• Dual Zone Boa Lacing System
• Fully Heat Moldable Liner = Custom Fit Comfort
• Forward Lean
• Excellent Tongue Strap And Inner Lacing

Here's each one in detail:

Dual Zone Boa Lacing System

The Boa lacing system is what really sets these boots apart from most others, and anything I'd seen before.

Rather than having conventional laces that you need to tie, the Boa system consists of a dial and a metal cable. It is very simple.

You push on the dial to lock it and crank it clockwise to tighten the metal "lace".

When you want to loosen the grip, just pull on the dial and it instantly lets go and loosens the cable.

What this achieves is nothing short of amazing:

• The quickest way to lace up and unlace.
• Having this very durable cable instead of a soft lace makes it almost impossible to snap it (in an unlikely case that you do, there's a spare one in the box).
• It doesn't untie throughout the day.
• Small adjustments, such as tightening the lace, are very easy – I just have to turn the dial a few more clicks, which is possible to do while going down the hill.

Now, note that I mentioned a dual zone Boa. After the original Boa system came out, there were some complaints that it doesn't tie the cable evenly at the top and bottom – some people prefer to have a tighter fit at the bottom and a loser one at the top, for instance.

To address this issue, the 2010 Focus boots actually come with 2 dials and 2 sets of cables – one in the front and one on the side, controlling the top and bottom cables respectively.

I have to tell you – after using them 4 times this season, I am still excited about the Boa. I don't have to mess with my laces anymore, don't have to tighten them, and here's the most beautiful part: when I get down the hill, I unlace and walk around relaxed and comfortable (by pulling on the dials – takes 2 seconds). Then, when I'm back at the top of the lift, a few cranks and I'm back in business (6-10 seconds).

To summarize, the Boa cable system rocks.

Check it out in action in this quick video I shot:

Fully Heat Moldable Liner = Custom Fit Comfort

Another feature of these boots that makes them stand out is a fully heat moldable liner.

What this means is that you can essentially custom mold the inside of the boot to your foot.

It only needs to be done one time, when you buy the boots, and can be done at a local snowboard shop (it costs $10 at Tahoe Dave's, for example but is included for free if you buy the boots from them).

What sets the thirtytwo Focus boots apart from others is that most boots only contain a partially moldable liner. With the Focus, however, the whole liner can be molded.

In order to mold the liner, I had to put on special socks and wait till a special machine heats the boots up. After that, I had to put them on and stand around, flexing, for about 15 minutes. This ironed out all pressure points and eliminated any discomfort.

To summarize, the heat moldable liner is very comfortable and after molding fits your feet like a glove.

Forward Lean

The Focus boots are angled forward for more convenient riding.

At first it may feel a bit unnatural, until you realize that on the mountain most of the time you ride bending your knees a bit and this forward lean is actually much more comfortable than the plain L shape of your old boots.

In fact, because of the Boa system that allows you to quickly unlace when you walk around, this extra lean never bothers me.

Excellent Tongue Strap And Inner Lacing

The inner lacing system is excellent – it locks in very easily, holds all day, and unlocks with a quick pull.

In order to make unlacing the inner lace easier, the thirtytwo folks added a loop to its bottom – pull on it and it relaxes the whole lace from the bottom. I found this very helpful at the end of the day.

There is also a strap going through the front of the tongue, which keeps it centered and snug with your leg.

A Note On Boot Size

I think the biggest mistake you can make buying new snowboard boots is getting them in the wrong size. Therefore, I highly suggest you try the boots out before you buy.

If you get them too big, your foot will move around and you will not have enough control. What's worse is it will most likely cause pain all over your foot and lower leg as you try to steer with a loose boot.

Even worse, if you get it too small, you will probably be in pain by the time you get half way down the mountain.

It turns out my previous boots were a size and a half too big: 10.5. I didn't know what I was doing 5 years back and didn't have the right person helping me out, so I went "safe" with something I felt less constrained in.

With thirtytwo boots, just go with your regular size. I wear size 9 shoes, and the size 9 boot ended up being perfect. Another person confirms the same observation here.

What's In The Box

• boots
• an extra metal replacement cord (don't think I'll ever need it but nice to have just in case)
• a little tool for opening the cord mechanism
• a snowboarding poster
• a hamster (OK, maybe not)

Buy thirtytwo Focus Boas

I hope I helped influence your buying decision in one way or another and that you'll give these great boots a go.

They come in 2 different colors:

• Black/Silver – these are the ones I got
• Green/Black

Here are some places and direct links to purchasing the Focus Boa boots:

• your local snowboard store (I highly recommend Tahoe Dave's in Tahoe City) – these guys usually know what they're talking about and if they have the product on hand, you can try it out immediately
• Amazon.com
• Endless.com
• Zappos.com
• Backcountry.com
• Evogear.com
• SnowboardConnection.com
• ShorelineOfTahoe.com (though these seem to be an older model – 08 or 09)
• ValSurf
• VerticalUrge

Similar Boots With A Dual Zone Boa System

Here are some competitors with a similar dual zone boa system, if you want to check them out and compare to the Focus:

Gallery

2010.01.05 thirtytwo Focus Boa Snowboarding Boots

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BeTwittered is a simple and comfortable gadget that you can add to your site, such as your iGoogle homepage.

Since BeTwittered is just a bridge between you and Twitter, it has to first log you into your account. Here is where things go horribly, horribly wrong.

1. BeTwittered does not use SSL to secure requests to its servers

All authentication information is transmitted to BeTwittered servers in plain text and is easily sniffable by an attacker, both on your own network and outside of it. You can read more about SSL encryption here.

Since BeTwittered passes your Twitter username and password unencrypted as GET parameters, it may as well be serving them to potential attackers on a silver platter (note that passing this data in a POST request would change nothing, security-wise).

Here is an example request:

http://betwittered.com/api/?_=1265242511260&req=verify_credentials&username=foo&password=bar

Ugh…

2. BeTwittered stores your username and password in unencrypted cookies

Because BeTwittered tries to keep you logged into Twitter, it caches the username and password, unencrypted, inside browser cookies.

This means that an attacker needs to simply look at your cookies to steal this information. This can be done using these methods, among others:

• using an XSS vulnerability
• sniffing the network traffic
• walking up to your computer

3. Because BeTwittered passes your authentication information to its servers, it's already insecure

If someone gets access to BeTwittered servers, it's safe to assume at that time that all accounts are potentially compromised.

Smaller sites generally cannot dedicate appropriate resources to securing their servers, which can make breaching them easier for hackers. Even Twitter itself was hacked numerous times.

The Alternative Solution

oAuth

If the endpoint application supports oAuth (Twitter has for months), do us all a favor and use it. Please.

oAuth allows delegating authentication to Twitter itself and only giving the application easily revokable limited access.

If BeTwittered were using oAuth, the user would be redirected to Twitter, where he or she would login. Then, the user would be sent back to BeTwittered, but now bearing special tokens. Any requests to Twitter would then be accompanied by these tokens, which would be validated by Twitter every time they're used – all of this without ever passing your password around.

You can find a nice overview of the oAuth architecture here.

Otherwise

If the endpoint application doesn't support oAuth, then

• use SSL encryption (https)
• store the authentication information on the server side instead of the client side in a cookie. Instead, use the cookie to store some sort of an internal ID pointing to this server-side data. Alternatively, encrypt the username and password via a secure salted two-way hash and only then store the encrypted version in a cookie
• make sure to stay on top of securing your servers (and give your sysadmin a raise). It's a time-consuming commitment, please take it seriously

Conclusion

What other secure authentication technique or tips do you know about? Feel free to share in the comments.

Oh, and this goes without saying – stop using BeTwittered, at least until they implement a more secure login option. I've alerted the creators about the issue and also started these threads on HN and Reddit.

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I did this just for fun and found most of the results funny, some hilarious, and some offensive and controversial.

However, all of them have a reason for being there – statistics. It's what people search for. The cream of the crop. Stereotypes, hilarities, it's all here.

If you can, please don't take them too close to heart. In fact, if you're a righteous conservative thinking of lecturing me, do me a favor and close this page now.

So here goes.

Why Are?..

"Why are canadians"

Afraid of the dark? – I didn't know that, thanks Google.

"Why are brazilian"

Agreed.

"Why are swedish"

Also agreed.

"Why are irish"

Heh.

"Why are palestinians"

"Why are israeli"

Another

And the women… true again.

"Why are mexican"

Ouch.

"Why are hawaiians"

I can think of a few reasons.

"Why are germans"

I can attest to the rude part.

"Why are italians"

We've all seen the movies.

"Why are japanese"

Have you seen a non-weird Japanese video?

"Why are chinese"

The truth is there somewhere.

"Why are russians"

Very observational.

"Why are koreans"

Starcraft – so true.

"Why are british"

This is hilarious.

"Why are spanish"

100% correct.

"Why are polish"

This one was frankly news to me. Poor Polish people.

"Why are indians"

Indians are afraid of dogs?

"Why are armenians"

I've never seen a non-hairy Armenian.

And something more generic, without comments.

"Why are white"

"Why are black"

"Why are asians"

And something more local.

"Why are new yorkers"

"Why are texans"

Of course I saved the best for last:

"Why are americans"

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Introduction

I don't know about you, but I can't imagine doing my PHP development without an IDE with a debugger anymore.

It autocompletes for me, it lets me step through each line of code, jumping around the project, execute and change the code flow on the fly, and does many other things that make me feel cozy, comfortable, and efficient at PHP development (as opposed to, say, CPP which makes me feel cold and lonely).

There are many PHP IDEs out there and I've tried most of them (including the free PHPEclipse and PDT for Eclipse) but kept coming back to NuSphere's PHPEd every time. The other ones just don't do as good of a job and don't have the array of features PHPEd does. Did you know Dmitri, the author of PHPEd, actually wrote the PHP debugger and profiler for PHPEd from scratch?

But this post is not about PHPEd's features – I'm planning on doing a few detailed ones later on – this post is a quick note about a coupon code for 10% off PHPEd or any of their other products.

The Coupon

Here it is for your immediate enjoyment:

Just add the products you want to your cart and enter the coupon in the Coupon code field:

Observe the discount applied immediately:

Edit: it seems that they're running some sort of a promotion – PHPEd Pro temporarily has an additional $80 off the regular price. The discount was set to expire on January 15th but it seems to be still active:

The 10% off should work on top of the $80 discount no problem.

Enjoy!

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If you use the Recent Comments sidebar widget in your Wordpress installation, it's possible that you want to customize this widget's style.

You will quickly find, however, that as soon as you add the widget to your sidebar, it injects the following inline, hardcoded CSS into the containing page (using !important to make things worse): 

<style type="text/css">.recentcomments a{display:inline !important;padding:0 !important;margin:0 !important;}</style>

The code above comes from recent_comments_style() (found in wp-includes/default-widgets.php), which is in turn called by WP_Widget_Recent_Comments() in the same file (this is just an old-style PHP4 constructor – same as PHP5's __construct()), which is triggered when the Recent Comments widget is used:

add_action( 'wp_head', array(&$this, 'recent_comments_style') );

This leaves a bad taste in my mouth because:

• the style is automatically forced into any page that embeds the widget
• it uses !important to override any existing styles
• it cannot be configured from the widget
• this is a core Wordpress widget and not some widget added by a random plugin. Wordpress should not contain such bad practices.

After seeing this, I raised a new issue #11928 in the Wordpress bug tracker but in the meantime, of course, I could go and hack the default-widgets.php core file to solve this problem. That, of course, would be a horrible thing to do – the next upgrade could wipe my changes or result in a conflict (if upgrading via svn). In general, one should never need to modify core files.

The Solution

Fortunately, there is a solution that doesn't involve modifying core files. Remember that we are talking about Wordpress here, which gained its popularity due to the ease of customization.

Normally, we would just need to remove the recent_comments_style hook, which would prevent it from ever firing and injecting the CSS. In fact, somebody over at webstractions.com already took a crack at this approach with the following code, which may have worked for a while but doesn't anymore:

1
2
3
4
5
6

function remove_wp_widget_recent_comments_style() {
   if ( has_filter('wp_head', 'wp_widget_recent_comments_style') ) {
      remove_filter('wp_head', 'wp_widget_recent_comments_style' );
   }
}
add_filter( 'wp_head', 'remove_wp_widget_recent_comments_style', 1 );

This code doesn't work in the current version of Wordpress because recent_comments_style() belongs to the WP_Widget_Recent_Comments class, and we need a tiny bit more effort to get through to the object of that class.

The following snippet, suggested by Andrew Nacin in a comment to the bug I opened up, does the job and works in Wordpress 2.9.1:

1
2
3
4
5

add_action('widgets_init', 'my_remove_recent_comments_style');
function my_remove_recent_comments_style() {
	global $wp_widget_factory;
	remove_action('wp_head', array($wp_widget_factory->widgets['WP_Widget_Recent_Comments'], 'recent_comments_style'));
}

This code first gets access to the right object and then passes it to the remove_action() function, along with the right function name recent_comments_style. Stick it intoyour functions.php and it should do the trick.

And there you have it.

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I'd like to pose this question to all Wordpress developers – plugin, theme, as well as core ones:

How do you make your living?

And, for clarification, by this I mean: "what are your primary sources of income?"

Open Source

Open source is a beautiful concept but it often comes with a price tag or, rather, the inverse price tag: most of the time you are not being paid for your time (of course, there are exceptions, such as companies hiring dedicated open source developers and keeping them on their direct payroll).

Everyone has to make a living, however, and everyone has their ways.

Developers can benefit from such income sources as:

• advertising on their sites, fueled by boosted Alexa and Google PR ratings
• freelancing and consulting work directly related to their open source project
• presenting at developer conferences
• creating products based on the open source projects they're involved with, as the technologies should be very familiar to them

Wordpress

Since I've always been interested in Wordpress development, I feel connected to the Wordpress community and would like to get some insight into the lives of Wordpress developers.

Therefore, in addition to the main question, I have some follow-up questions:

• does Automattic pay Wordpress core developers salary?
• are there many Wordpress core developers working for Automattic full time, besides Matt?
• how about you, plugin and theme developers – are any of you successful enough that you can make a living off your plugins or themes?
• what are your secrets?

So in your responses, please state whether you're a core or plugin/theme developer, and answer the questions above that you can.

Of course, it goes without saying that any extra bits of advice would be welcomed as well.

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Here are some discussions and mentions around the web:

• an article on Weblog Tools Collection
• a forum post on WP Tavern
• twitter retweets

Sure, there are drawbacks to this method and it does require some more processing on the backend and it's not for everyone, which is why we should always strive for an even better solution.

I stand by my point of view that, for instance, my dedicated gallery shouldn't load for people who will never even go see my photos.

I think an ideal solution would be for WP core developers, who had a lot of experience designing Wordpress' internals and who know what can work and what can't, perhaps Matt included, to get together and think about a better solution really hard.

Conditional loading similar to the one discussed here is already possible in the admin area, which creates dynamic hooks by appending page ids to 'admin_print_styles' and 'admin_print_scripts'. It is, however, still not good enough to be used more generically because those hooks rely on the page you are on, rather than the content of that page.

Another possibility is using a PHP technique called output buffering (ob_start(), ob_flush(), etc) that grants second chances to data that had already been echoed. It intercepts all echo and print calls and redirects them into a memory buffer, so instead of printing data to the page right away, you can now modify the header even if it had already been processed. It's like giving it a second chance.

Would it work for Wordpress? I am not sure but I sure could use your feedback, devs.

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If you follow web design at all, you probably see 5 billion top NN posts on a daily basis mentioning site and blog designs, fonts, icons, etc.

However, nobody seems to be paying attention to these little but important guys: comment forms.

If you have an appealing comment box, you are more likely to receive comments (this is based on days of scientific research that I imagined I did in my head) and your content is more likely to be re-shared, voted up, and saved.

I really do feel that way when I visit blogs, especially when an otherwise aesthetically pleasing site has a plain vanilla comment box.

Let's Go

So here we go. I have looked through hundreds of sites to make this collection, go ahead and let me know if you like it (yeah, I know, my comment box is not as spiffy as theirs).

I've also included my notes with the parts that I liked.

1. blog.spoongraphics.co.uk 

• interesting submit button
• fun background
• great font
• grungy
• border glow
• normal:

• focused:

2. springydevelopment.co.uk

• 2 column
• wide submit button

3. css-tricks.com

• Chris Coyier doesn't mess around with crappy designs – his website is superb in general
• normal:

• focused:

• internal disappearing labels
• dimming labels
• interesting submit button
• custom images

4. net.tutsplus.com

• tongue:

• internal disappearing labels
• appealing default avatar

5. smashingmagazine.com

• simplistic
• appealing submit button
• absence of author website – less spam

6. branded07.com

• fading
• interesting background

7. depcore.com

• simplistic
• unconventional – looks like a pad of paper or a letter
• contains an anti-spam measure

8. marcofolio.net

• notify/don't notify option (for the first time the design is cohesive – not some random checkbox under the submit button)
• lots of formatting buttons
• smilies

9. jankoatwarpspeed.com

• handy and appealing formatting buttons
• flag next to the country – it then shows up next to each commenter, kind of cool:

10. dezinerfolio.com

• highlight the field with focus – concentrate attention on one spot
• large padding
• by the way, they have an amazing header. I couldn't resist:

11. sohtanaka.com

• I love it
• custom submit button
• hovering quote
• very polished look

12. productivedreams.com

• the comment box actually sits *above* the comments – a radical, yet interesting approach
• custom icons
• really nice custom highlight on hover effect:

• usability and UX at their best

13. kevadamson.com

• grungy, sloppy – looks great!

14. line25.com

• clean
• side by side
• symmetrical, exact
• I love it

15. markforrester.co.za

• colorful, crayon-like (though it looks better on the site itself – you need to see it in its natural habitat)
• internal disappearing labels

16. jrvelasco.com

• simple, and yet sophisticated

17. gizmodo.com

• very simple from the UX perspective:
  • single line box, without the need to login first
  • expands on focus
  • no need to login even then, unless you want to – just enter your email

18. instantshift.com

• this is one of my favorites
• I love, love, love the way the comments look, especially the way the author ones stand out:

19. koodoz.com.au

• internal disappearing labels
• the design itself, while seemingly not too special, mashes with comment list very well. Check it out – I think the curvy lines are very creative:

20. elliotjaystocks.com

• click the image – it's bigger than it looks
• if you can't tell (), the elements are MASSIVE, which makes this comment box pretty unique

Conclusion

If you liked this post, you might also enjoy

• BlogDesignBlog with 37 more comment form designs (though they're not as exciting).
• 1stwebdesigner with 77 comment form designs.
• Queness with 20 stylish web form designs.

So, what did you think? The comment box you're looking for is at the bottom of the page.

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In this tutorial, I am going to introduce a Wordpress technique that I believe was unpublished until I raised the question a few days ago on the Wordpress forums.

In short, the problem I was trying to solve was plugins unnecessarily loading their JavaScript and CSS on *every* page of the blog, even when doing so would achieve absolutely nothing and the plugin wouldn't do any work.

Let me explain using this example:

• a code formatter plugin only does something useful when it sees a [code] shortcode in any post on the page.
• most of your posts do not contain the [code] shortcode as you don't include code snippets that often or you only started using this particular plugin recently.
• the plugin, however, loads the CSS and JS (which are most likely GeSHi and take up loads of space) on every page.
• these CSS and JS do absolutely nothing on most page loads.
• bandwidth is wasted, extra DNS and HTTP requests are processed, the browser is slowed down, and for what? For no good reason, other than the plugin author didn't know how to achieve this conditional loading.

If you think about it, there are many plugins that only do something once in a blue moon. Table of contents, text manipulators, galleries, sliders, etc, etc. If only they loaded their frontend code strictly when necessary, most page loads would suddenly become much lighter.

So what can we do to solve this? Let's look at a few techniques.

Loading CSS And JS In Place?

Here's one, albeit pretty bad, solution - only print the CSS and JS includes if and when you determine somewhere in the middle of loading the posts that the scripts and styles are indeed needed, then set a flag to avoid printing them again. In our example, that would be when the plugin detects the [code] shortcode.

This, however, is a mediocre solution because, while it's not a bad idea to load Javascript in the footer, CSS should be loaded in the header, otherwise the page might look unformatted until the CSS is reached.

Additionally, it's not the cleanest and most robust solution because you shouldn't be writing <script> and <style> tags manually but rather using wp_enqueue_style() and wp_enqueue_script() functions.

What's This About wp_enqueue_FOO?

Now, you might say: "What's this about wp_enqueue_style(), wp_enqueue_script(), and then hooking into 'wp_print_scripts', 'wp_print_styles', 'admin_print_scripts', and 'admin_print_styles' hooks"? You know about these, right? Right??

Allow me to explain this, in my opinion, greatest and most underused Wordpress paradigm in a short refresher:

Enqueuing Alone Is Not Enough

Enqueuing is great for loading your JS and CSS but using it alone doesn't achieve the conditional behavior that we are looking for here.

This is a classic case of Chicken or the Egg, because Wordpress makes only one pass through all of the content.

You see, since the header needs to be printed before the content, wp_print_scripts and wp_print_styles hooks are triggered before you even get to the posts. If you enqueue a script or style from within the 'the_content' hook, for example, the queued up scripts and styles will never get printed. It's too late to print them then anyway, as you're already in the middle of printing the posts.

The Solution

What we need to do is take a step back, before even printing the header, and then peek ahead.

Sure, this adds an extra pass over some data, but since no filters are applied during this process and if you avoid regular expressions (using stripos(), for example), this extra pass should be quite negligible.

The upside, however, can be potentially very substantial.

Credit goes to @white_shadow for the idea.

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add_filter('the_posts', 'conditionally_add_scripts_and_styles'); // the_posts gets triggered before wp_head
function conditionally_add_scripts_and_styles($posts){
	if (empty($posts)) return $posts;
 
	$shortcode_found = false; // use this flag to see if styles and scripts need to be enqueued
	foreach ($posts as $post) {
		if (stripos($post->post_content, '[code]')) {
			$shortcode_found = true; // bingo!
			break;
		}
	}
 
	if ($shortcode_found) {
		// enqueue here
		wp_enqueue_style('my-style', '/style.css');
		wp_enqueue_script('my-script', '/script.js');
	}
 
	return $posts;
}

This simple function fires before the header gets printed, as it's attached to the 'the_posts' hook. However, this time it has full access to the posts' content.

I have tested this method and it works really well - if you have heavy scripts in your plugin, please do us, users, a favor and incorporate this logic into it.

Conclusion

In this tutorial, you have seen a method of loading scripts and styles for you plugin conditionally. This technique allows for less bloated pages and faster page loads.

Plugin developers, what is your take on this solution? Do you use another method? Please share in the comments.

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Yeah, this one: .

Well, I hate it too, so please, try not to be that guy. I realize sometimes you copy the embed code wrong or, on a larger scale, you add the wrong embed code to your generic template.

Not a problem. If your Youtube embeds are missing this button, here is how you can easily fix it.

The Problem

Here's an example video that doesn't have the button (it's really good too, if you haven't seen it yet):

The fullscreen button is nowhere to be found because by default the Youtube player doesn't include it and the embed code is missing the correct pieces.

Here is the embed code for the video above without the full screen button:

<object width="425" height="344">
  <param
    name="movie"
    value="http://www.youtube.com/v/sdUUx5FdySs&hl=en_US">
  </param>
  <param
    name="allowscriptaccess"
    value="always">
  </param>
  <embed
    src="http://www.youtube.com/v/sdUUx5FdySs&hl=en_US"
    type="application/x-shockwave-flash"
    allowscriptaccess="always"
    width="425"
    height="344">
  </embed>
</object>

The Solution

Modify the code by adding the following:

• put this after the last <param> and before the <embed>: <param name="allowFullScreen" value="true"></param>
• add this after any parameter to <embed>: allowfullscreen="true"
• append this to both the "value" parameter of the <param> tag with the name="movie" as well as the src parameter of the <embed> tag: &fs=1

The first 2 parameters give Flash access to go full screen. The last one instructs the Youtube player to add the full screen button.

Here is the final embed code:

<object width="425" height="344">
  <param
    name="movie"
    value="http://www.youtube.com/v/sdUUx5FdySs&hl=en_US&fs=1">
  </param>
  <param
    name="allowscriptaccess"
    value="always">
  </param>
  <param
    name="allowFullScreen"
    value="true">
  </param>
  <embed
    src="http://www.youtube.com/v/sdUUx5FdySs&hl=en_US&fs=1"
    type="application/x-shockwave-flash"
    allowscriptaccess="always"
    allowfullscreen="true"
    width="425"
    height="344">
  </embed>
</object>

Voila!

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It's always important to know for developers what browsers they are developing for, who dominates the market, and what the current trends are.

I have gotten my hands on the Plaxo.com visitors' browser stats for December of 2009.

This information is valuable because Plaxo has a relatively general demographics, as it's not a site only geeks or only moms visit, and the statistics tends to not be skewed. Therefore, as you can see, Firefox doesn't occupy the same share as you might see on a techy site (on this site, more than 50% of users visit in Firefox).

Also, since Plaxo has a couple million monthly visitors and therefore a couple million data points, statistically speaking these numbers are relatively accurate.

Without further ado, here is the data, with some spiffy charts.

Overall Browser Breakdown For December 2009

Internet Explorer Version Breakdown For December 2009

Some numbers here have a value of 0.00% which means they've been rounded down and have really low numbers. The order is still correct though.

Firefox Version Breakdown For December 2009

Thoughts

• Internet Explorer is doing remarkably well – it is still most definitely the primary browser, so testing it should be planned accordingly.
• Internet Explorer 7 is by far the most popular version with 65.9% of all IE versions, followed by IE6 at 17.2% (wtf??), and only then IE8 at 16.9%. This definitely came as a surprise to me – both in how popular IE7 still is and how pathetic Microsoft's efforts to upgrade Windows users up from IE6 have been.
• Safari and Chrome are neck and neck at 6.20% and 4.6% respectively, with Chrome gaining rapidly.
• Opera is doing undeservedly badly – 0.6%. That makes me sad.
• IE 999.1? Interesting. I wonder if it's some sort of an uber hacked version.
• And, instead of conclusion: damn you, IE6! Why can't you die already?

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My preferred way until recently was Deviant Art, because it had a lot of content and very nice filtering – I could specify my exact resolution.

However, as of some time ago, Deviant Art browsing by resolution disappeared, as evident from trying to find it on their site and from the comments on this post announcing the capability in the first place.

The Solution

Sometimes the solution lies right in front of our eyes – we just have to open them to see it.

A while ago, Google Image Search expanded their support for image size filtering (small, medium, large) to include the actual image size via this query:

imagesize:NNNNxNNNN

And because it's Google, you can add search terms to narrow down the subject.

Here are some examples.

Example 1: "wallpaper"

imagesize:1920×1200 wallpaper

The image size is so specific that it's usually not even necessary to include the word "wallpaper" – most of the results will already be wallpapers, except maybe for a few desktop screenshots.

Example 2: "nature"

imagesize:1920×1200 nature

Example 3: "futuristic"

imagesize:1680×1050 futuristic

Example 4: "cars"

imagesize:1680×1050 cars

Example 5: "babe"

imagesize:1680×1050 babe (be careful if you have SafeSearch off ;-] )

Starter Links Per Resolution

Here are some quick starter links for common resolutions to get you started:

320×396

320×480

800×600

1024×600

1024×768

1152×864

1280×1024

1280×720

1280×768

1280×800

1280×960

1360×768

1366×768

1400×1050

1440×900

1600×1200

1600×900

1680×1050

1920×1080

1920×1200

2560×1024

2560×1600

Conclusion

What sites do you use to get your wallpapers, specifically allowing filtering by resolution? No spam links please.

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The Problem

The problem with ExpandDrive is – it's quite simplistic. So simplistic that it doesn't offer an easy way to export its drive list and the associated settings. Because of that, you will have to enter all the drives all over again in case you reinstall Windows or want to replicate them to another computer.

Of course, there is a workaround.

The Workaround

The workaround involves the following easy steps and, as I don't have a Mac, works only on Windows:

1. On the source computer, load the registry editor by opening the run menu (WinKey+R) and typing in 'regedit'.

2. Expand the following location: HKEY_CURRENT_USER\Software\ExpanDrive. If you have SFTPDrive, install ExpanDrive first, which should migrate the old settings to this location.
Inside, you should find these 2 subfolders: Hostkeys and Sessions

3. Right click on ExpanDrive, select Export, and then save the reg file as expandrive.reg while making sure the "Selected branch" is selected in the Save dialog:

4. Close ExpanDrive on your new computer, transfer expandrive.reg to it, and then execute it. Click "Yes" at the following dialog:

5. Reopen ExpanDrive and you should now have all your drives.

If anyone has a better method, comments about the one above, or a way to carry over the public/private key settings, please share in the comments.

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The Problem

I've had MySQL on my Windows 7 laptop for a bit (as part of wampserver), mostly for local offline Wordpress development.

However, even though MySQL is relatively stable, I've been observing a vast quantity of intermittent MySQL errors, as reported by Wordpress in the PHP error log (C:\wamp\logs\php_error.log). Here are some examples:

[05-Jan-2010 09:47:51] WordPress database error Error on delete of
'C:\Windows\TEMP\#sql17e0_1a2_6.MYD' (Errcode: 13) for query SELECT t.*, tt.* 
FROM wp_terms AS t INNER JOIN wp_term_taxonomy AS tt ON tt.term_id = t.term_id 
INNER JOIN wp_term_relationships AS tr ON tr.term_taxonomy_id = 
tt.term_taxonomy_id WHERE tt.taxonomy IN ('category') AND tr.object_id IN (3) 
ORDER BY t.name ASC made by require, require_once, include, get_footer, 
locate_template, load_template, require_once, dynamic_sidebar, 
call_user_func_array, widget_rrm_recent_posts, RecentPosts->execute, 
ppl_expand_template, otf_categorylinks, get_the_category, wp_get_object_terms
 
[05-Jan-2010 09:50:42] WordPress database error Error on delete of
'C:\Windows\TEMP\#sql17e0_1b0_0.MYD' (Errcode: 13) for query  SELECT 
SQL_CALC_FOUND_ROWS  wp_posts.* FROM wp_posts  INNER JOIN wp_term_relationships 
ON (wp_posts.ID = wp_term_relationships.object_id) INNER JOIN wp_term_taxonomy ON 
(wp_term_relationships.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id)  
WHERE 1=1  AND wp_term_taxonomy.taxonomy = 'category' AND 
wp_term_taxonomy.term_id IN ('3') AND wp_posts.post_type = 'post' AND 
(wp_posts.post_status = 'publish' OR wp_posts.post_status = 'private') GROUP BY 
wp_posts.ID ORDER BY wp_posts.post_date DESC LIMIT 0, 10 made by require, wp, 
WP->main, WP->query_posts, WP_Query->query, WP_Query->get_posts

The important part here is "Errcode: 13", which is a file access error. The MySQL daemon process (mysqld.exe) randomly cannot access temporary tables it itself creates, which causes these errors and failed queries.

Digging Around

After looking around and finding nothing obvious, I tracked down a few forum posts mentioning the same issue.

Here is the gist – the problem is caused by an anti-virus program that is clearly not working properly.

The one mentioned on the forums is McAfee (big surprise, right? McAfee is a piece of junk – probably the worst anti-virus I've ever tried). In my case, however, it was the recently installed freeware security program from Microsoft called Microsoft Security Essentials, highly praised but problematic in this case nonetheless.

After thinking about it, I am confident that these security programs don't actually purposely prohibit access to the files MySQL creates. Instead, they lock these files for the duration of the check, so that the system doesn't get infected before they are approved. If you notice, the problems are related to temporary tables, created by MySQL on the fly. MySQL probably has a very short access timeout for these files, for performance reasons, and because it doesn't get this access fast enough, it considers it a failure (file deletions are failing, as you can see in the log).

The Solution

Now onto fixing the problem. The solution is to have Microsoft Security Essentials, in my case, or whatever your security program may be ignore these files.

You can block the whole Temp directory from being checked. It is not a good idea, as viruses can trickle down to that location and bypass your anti-virus:

Instead, you should just ignore by file extension: *.MYI and *.MYD. MySQL uses files with these extensions for its MyISAM table types. Using this approach is obviously safer as it doesn't single out a directory and instead targets specific files:

After I applied either of these exclusions, all MySQL Error 13 problems went away immediately.

Conclusion

The intermittent Error 13 problem on Windows is caused by 2 otherwise legitimate processes which, when mixed together, end up breaking MySQL.

Is this entirely the fault of the antivirus programs? Inadvertently, perhaps so.

Could MySQL be a bit smarter in this scenario? Perhaps so as well.

What do you, MySQL pros, think?

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Troy's Twitter Script

Enter Troy's Twitter script for Firefox that I reviewed in detail a few months ago.

Troy's script added the RT button to my stream (along with inline picture and video embed, auto url expander and shortener, name autocomplete, and other things) way before Twitter introduced it.

It also allowed me to add a couple of words or rephrase the retweet to make it more relevant to my followers.

Here is what clicking on the Retweet button used to do after you installed the Twitter script:

Twitter's Own Retweet

After Twitter rolled out their own Retweet, it simply took over the Retweet button that Troy's script added and everyone was happy. Right?

Wrong. Many users, including myself, were left craving the old functionality back.

The Newest Version Of Troy's Twitter Script

About an hour ago, Troy announced version 10.9 of his script which brings back the old functionality in the form of the "Comment" button. Here it is pictured below:

which yet again gives me the opportunity to edit the retweet:

Now we can have the best of both worlds – the new Comment button lets you retweet and edit while the Retweet button remains the same Twitter's own one-click Retweet.

Download Troy's Twitter Script

Again, here are the simple installation instructions to get Troy's Twitter script:

1. Install Firefox (you already have that, right?)
2. Install the Firefox greasemonkey extension
3. Install the Troys Twitter script

Credit

As before, all credit goes to the awesome Troy.

Tweet this post if you like it and let your friends know about this great twitter web tool.

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Here's where Firebug comes in with its JavaScript debugger. I'm used to using a debugger in every language I deal with, so using Firebug is a no brainer. Since it supports breakpoints, stopping execution and inspecting local variables and the rest of the scope generally beats alerts and console.logs for me.

Here's what a typical breakpoint looks like in Firebug:

It's easy to set breakpoints in static scripts – just open the Scripts tab, select a JavaScript file from the dropdown menu, and click to the left of the wanted line number.

Then, when the page is reloaded, if your breakpoints are triggered, Firebug will pause script execution and transfer the control to you.

In most cases, the method above is the only method of setting breakpoints you will ever need to use.

The Problem With Dynamic JavaScript

However, what if the JavaScript file where you need to set breakpoints is not static but instead dynamic (generated on the fly). If you set a breakpoint in this case and reload the page, the breakpoint will most likely disappear, especially if the JavaScript url is generated uniquely every time.

The Solution

If you have access to the source, the solution comes in the form of the

debugger;

keyword. Just add it to your dynamic JavaScript generator or into any JavaScript file you have access to exactly where you want Firebug to break, and voila – it does.

More so, this method also works in Google Chrome and IE (if you have Microsoft Script Debugger). Here is a screenshot of my Chrome Beta 4.0.266.0 triggering:

I consider this feature relatively unpublished and therefore awesome because:

• it's hard to search for this specific meaning of the keyword "debugger" when Firebug itself is a debugger and it's a very popular word
• nobody really reads documentation for Firebug, and even if they do, I haven't actually seen the debugger keyword mentioned
• I didn't know about it until recently, even though I've been using Firebug for years

Of course, you need access to the code for this to work, so it's not going to work if you're trying to debug someone else's JavaScript.

And finally, don't forget to remove any traces of 'debugger' from your code when you go live or your users will rightfully hunt you down.

Credits And References:

• suggested by a co-worker from Plaxo – Russ. Thanks Russ!
• some more interesting info at StackOverflow and Infragistics.

Happy debugging!

(*) – if your project works 100% on the first pass, you must be either a magician or Jon Skeet (Jon Skeet Facts – a-la Chuck Norris, a must read).

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