Code-a-holic

[JScript] Another Config library

2012-09-21T15:40:00.000+08:00

I've been doing a fair bit of JScript of late, and as I find working with Registry for runtime configuration a bit tiresome, I've cooked up a Config object. It's defined using the prototype approach to object definition. Config files are, in this case, ANSI or Unicode (UTF16LE) files, in the

[JScript.NET] Finally weaned off Scripting.FileSystemObject

2012-07-14T23:04:00.000+08:00

Finally removed all reference to Scripting.FileSystemObject. Now we're 99% there with respect to the dotNet-ification of the Access Compress And Repair script. I say 99% percent because I'm still using ActiveXObject() to connect to the Access.Application object. Apparently, I should be using some other technique.So here's the

[JScript.NET] Parsing the commandline, working with MS Access

2012-07-13T22:06:00.001+08:00

JScript.NET: A bit of a backwater these days. I'm told that Visual Studio 2005 was the last iteration of that IDE to have good support for it. Now one must jump through a couple of hoops to use VS2010 for JScript.NET debugging and otherwise one just has the commandline compiler, jsc. Interestingly, every iteration of the .NET

[CGI] Mobile Browser Detection

2012-07-05T10:22:00.000+08:00

A PearlTree with some links to information about detecting mobile phones via the UserAgent string. Also a ColdFusion example. © Copyright Bruce M. Axtens, 2012

[CMD.EXE] Console weirdness

2012-06-29T21:24:00.000+08:00

What do you make of a command line tool that stops working and seems to wait for keyboard input, but the code doesn't have a keyboard input instruction anywhere in it? I just had a batch file (that calls two PHP files and an EXE) sit idle for 2 hours and then start working as soon as I hit a key in its window.After digging around a bit for a solution, where should I find it but at PerlMonks: If

[Batch] Running on Low

2012-06-29T14:36:00.000+08:00

Running on LOW priority (or any other priority class) can be done from the command line with the START command, e.g. START /LOW SomeBatch.cmd Alternatively, one can embed the START command with the priority class modifier within the batch file itself, viz @echo off setlocal enableextensions if %1@==@ ( start /low %0 running goto :eof ) echo This instance is running at LOW priority class

[Backup] Genie9 Free Timeline

2012-06-28T17:34:00.002+08:00

Gratuitous ad: The PC equivalent of Apple's TimeMachine: Genie Timeline

[PearlTrees] Programming Languages

2012-06-28T09:32:00.002+08:00

I've created a PearlTrees account and have part populated it with some programming language research which you can get to directly here.

[JScript] The name of the caller

2012-06-21T15:56:00.001+08:00

A few postings back I demonstrated how to pull the name of the current function out of arguments.callee. Now to finding out the name of the caller: function foo() { try { var myCaller = foo.caller.toString().split(/ /)[1].split(/\(/)[0]; } catch( e ) { myCaller = e.message; } WScript.Echo(myCaller ); } function bar() { foo(); } bar(); foo(); The output from all that is bar 'foo.caller

[Codeaholic] Well that was intelligent ... NOT!

2012-06-21T15:22:00.001+08:00

As you may have noticed, the layout has changed. What you wouldn't have noticed is that my Google Analytics javascript got clobbered in the process. So even if my readership have noticed, I've no record of them having noticed. Smart move, Bruce, real smart move. Oh well, fixed now.© Copyright Bruce M. Axtens, 2012

[Go] Out with JScript, in with Go?

2012-06-20T16:45:00.000+08:00

Today I ran a large JScript against a month's worth of hourly REST traffic logs. The logs were parsed and manipulated into a series of tables in an Access database. It took about 12† hours to run. 12 hours ... and on a decently-specced laptop -- a Toshiba Satellite Pro L670. So I'm looking around for something as flexible as JScript/javascript but which produces native binaries ... and Go seems

[JScript] Scatter redux

2012-06-18T16:17:00.002+08:00

The previous version has a problem: when the recordset has zero records, it falls over. The updated version is below: function Scatter( o ) { var result = {}; var bEmpty = true; var vba = {}; if ( o.RecordCount > 0 ) { bEmpty = false; vba = new VBArray( o.GetRows() ); } var fldCount = o.Fields.Count; for (var i = 0; i < fldCount; i++ ) { result[o.Fields(i).Name] = []; if ( ! bEmpty

[JScript] Scatter (like the FoxPro function)

2012-06-16T18:45:00.002+08:00

On a roll tonight! Scatter and Gather are a pair of functions in FoxPro and related languages which would take a record and copy it into the memvar space, naming the memvar the same as the field name and storing the field's value. Gather did the opposite. Now I've got that working in JScript. I hand it a recordset and it creates an object with the field names as property names and the values of

[JScript] ADODB GetRows to JScript

2012-06-16T17:52:00.002+08:00

StackOverflow to the rescue again. Where would I be without them? Anyway, I was looking up how to return a GetRows() call on an ADODB recordset to JScript and worked out the following from this posting about returning SafeArrays to JScript function getRowsToMatrix( o ) { var vba = new VBArray( o ); var dims = vba.dimensions(); var result = []; for ( var i = vba.lbound(2); i <=

[JScript] The name of the current function

2012-06-16T13:42:00.001+08:00

This is a plug for StackOverflow, where I spend a fair bit of time. Today I went looking for Javascript code to give me the name of the currently executing function. I found answers here and here. And now I have the following in my script: var fname = arguments.callee.toString().split(/ /)[1].split(/\(/)[0]; Woe betide if callee is ever disabled! © Copyright Bruce M. Axtens, 2012

[iPad] Dragon Dictate app

2012-03-29T16:38:00.000+08:00

I wrote to Nuance about Dragon Dictate for iPad. We've been having issues getting it to work behind the school's proxy. I had researched what others were saying about it, but thought I'd try and get it from the horse's mouth, so to speak. This is what they said: Hello, Please note that the app is not proxy-aware, so if you're using a proxy, you'll need to disable it in order to get traffic

[AdSense] is making no cents

2012-03-28T13:56:00.001+08:00

... or very few, so I'm giving up on earning anything with it. Back to 99% pure content.

[Miscellaneous] Dangerously Overinformed?

2012-03-28T13:40:00.001+08:00

A programming language identification test

[Lhogho] IsInetOffline? an example of Win32 API wrapping.

2011-12-19T18:46:00.004+08:00

Lately I've been having a lot of fun getting my head around the Lhogho programming language. It's a compiled variant of Logo, running on Linux and Windows. The following code demonstrates wrapping the Win32 API, in this case the IsInetOffline function in URL.DLL. The commented line is taken from a WIN32API.TXT file I found on the internet. ; Private Declare Function InetIsOffline Lib "url.dll"

[VB6] Using VBScript's Escape and UnEscape (Take 2)

2011-01-03T16:22:00.007+08:00

It's been pointed out to me recently that Escape() doesn't handle embedded quotes and embedded newlines. This is the fix.I'm using JScript rather than VBScript, so that I can use the String object's fromCharCode() method. I parse the input string, convert the characters to a list of their numeric equivalents for passing to

[Javascript] Wildcard string matching / globbing, Take 2.

2010-12-19T00:02:00.001+08:00

Okay, I'm convinced: you just can't beat regular expressions. (Okay, SNOBOL4's pattern matching is streets ahead, but there's nothing out there like that for Javascript, AFAIK.) I've reworked the matchesWild function, caling it grepWild. It takes the wildCard parameter as before but instead of all the substr stuff, it

[Javascript] Wildcard string matching / globbing

2010-11-30T11:35:00.000+08:00

Most Javascript programmers are more than happy with regular expressions. However, there are times when something like wildcards ('?' for one character and '*' for many) would be helpful. Jack Handy's first and last (it seems) article on CodeProject implemented a wildcard string compare (also known as 'globbing') function in C.

[iSync] Nokia 5000d-2

2010-11-16T22:55:00.001+08:00

After looking around for a while I finally figured out how to get Apple iSync to talk reliably to my Nokia 5000d-2. Most of the other 'solutions' assume that the 5000 is a Series 60 phone. It is in fact a series 40 phone, thus the family.com.nokia.series40.3rdEd.bus.bt. The image for the phone was downloaded from ericfish.com and copied into the /Applications

[VBA] Something like COUNTIFS for Excel 2003

2010-09-14T16:33:00.004+08:00

Well, there you go. A colleague sends you a copy of an Excel file and needs a nice formula. So I do the nice formula. Then I try to save the sheet back into the same form in which it arrived: Clang! Seems that Excel 2003 doesn't have the nice little COUNTIFS function that I have in my Excel 2007. What to do, what to do, what to do ...

[Batch File] Rediscovering CMD.EXE batch scripts

2010-04-28T22:12:00.002+08:00

Insanity must be setting in; I’ve been trying to solve RosettaCode tasks with Windows CMD.EXE batch scripts. For example, their A+B task:A+B - in programming contests, classic problem, which is given so contestants can gain familiarity with online judging system being used. A+B is one of few problems on contests, which traditionally lacks fabula. Problem statement Given 2 integer numbers, A