tag:blogger.com,1999:blog-3826577489563855618Fri, 08 Nov 2024 14:55:33 +0000FlexActionScriptAgileFlexmojosTDDTestingDSLFlashBuilderFlexUnitParsleyGoogleRubyGitJavaMavenPersonal ThoughtsJVMRailsRoRScalaTidbitsBashDerbyJRoRJRubyTomcatBloggingCygwinMockingPythonSQLite3ApacheBDDC#CCCMDCompilationContinuousIDEAIntelliJJUnitLINQPassengerPerlSPAScalaTestSpecsblogchronotimedatedatearithmetichtmlimplicitconversionimplicitsjavascriptjodatimejqueryjsmod_railsncondononenscnsonulloptionpaginationpagingpost bloggerseotimetypeclasseshttp://blog.darrenbishop.com/noreply@blogger.com (Darren Bishop)Blogger42125tag:blogger.com,1999:blog-3826577489563855618.post-1349645620412899453Sat, 16 Apr 2016 07:10:00 +00002016-04-17T10:04:55.030+01:00AgileJavaJVMMockingScalaTDD PROLOGUE A while ago now I applied for a Java role at a certain newspaper, having heard they were Agile and proponents of TDD. After a successful initial telephone screening interview, I was issued a programming exercise - Battleships! These exercises serve to reveal a candidates ability to Digest a problem description Extract requirements and define scope Identify expected program behaviour http://blog.darrenbishop.com/2016/04/darren-on-jvm-intro-to-tdd-part-1-some.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-3063446606518799Thu, 07 Jan 2016 10:05:00 +00002016-01-11T19:30:03.689+00:00JVMncondononenscnsonulloptionScalaNull (Safe|Dereferencing|Coalescing) Operator I stumbled on to this concept a while ago when researching the many cool features of Scala. I had come across it before, as I’ll mention, but not so concretely. There is a wealth of information on SO and Wiki, which again leaves mythed why Java (my roots) does not support this. Anyway, what I offer here - which btw is not new - is slightly different http://blog.darrenbishop.com/2016/01/darren-on-jvm-scala-null-coalescing.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-1046917112261853923Wed, 06 Jan 2016 08:40:00 +00002016-01-08T16:52:29.734+00:00chronotimedatedatearithmeticimplicitconversionimplicitsjodatimeJVMScalatimetypeclassesFor those of you who have ever done any Ruby development on Rails super-charged with ActiveRecord (as I recall back from 2008), you would have been blessed with the most intuitive date-arithmetic facility known to programming-man. At that time in my life, Java was my main bread-and-butter and I longed for this simplicity… I am sure we all did. Why it did not exist was simple: primitives such as http://blog.darrenbishop.com/2016/01/darren-on-jvm-scala-timely-type-classes.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-891807952623914080Thu, 16 Apr 2015 11:17:00 +00002015-04-16T12:46:13.902+01:00AgileBDDCCCompilationContinuousIDEAIntelliJJavaJUnitJVMScalaScalaTestSpecsTDDPROLOGUEI went searching YouTrack, doing my due diligence, for an issue (described below) before raising a feature request for IntelliJ's Compile Server facility. I came across this issue, which describes slow compilation despite having the compile server enabled. I echo here my comments and findings If you are trying to make use of IntelliJ's Compile Server facility, say, to make you Red, http://blog.darrenbishop.com/2015/04/darren-on-jvm-java-and-scala-with.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-3519481886386124893Wed, 25 Feb 2015 13:55:00 +00002016-01-08T15:43:18.795+00:00bloghtmljavascriptjqueryjspaginationpagingpost bloggerseoUPDATE: Replaced all uses of the pagelist class with pagelinks, as depending on the template used, Blogger may or may not use this class to manage its 'blog pages' i.e. tabs. Some time ago I wrote a 6 part blog and I have very recently written another multi-part blog that has the potential to be quite long. Once I have done the technical work for a blog post and start writing it up, if it http://blog.darrenbishop.com/2015/02/blogger-pagination-with-jquery.htmlnoreply@blogger.com (Darren Bishop)1tag:blogger.com,1999:blog-3826577489563855618.post-5011412335704370883Wed, 19 Nov 2014 16:53:00 +00002014-11-24T14:37:12.549+00:00ActionScriptAgileDSLFlashBuilderFlexFlexmojosFlexUnitMockingParsleyTDDTestingIn Part-5 I showed how to tidy away all (most of) the Parsley Messaging and Flex event management boiler-plate by extending the Fluint-aware DSL introduced in Part-3, which made tests Parsley-aware. This much overdue final part of the FlexUnit4 Testing with Parsley series demonstrates mock injection and leverages Mockito-Flex to achieve that. (I will give a shout to the team behind Mockolate, ashttp://blog.darrenbishop.com/2014/11/darren-on-flex-flexunit4-testing-with.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-3910298558211324547Wed, 15 Jun 2011 23:23:00 +00002015-10-14T09:49:57.255+01:00ActionScriptAgileDSLFlashBuilderFlexFlexmojosFlexUnitParsleyTDDTestingIn Part-4 I showed how to use [RunWith] and [Rule] to locate and hide Parsley context initialization; with the reduced duplication in this approach tests are left to focus on what is important - testing. In Part-5, I'll show how to reduce the noise hide the complexities of Parsley Messaging, used to implement decoupling between components, by extending the Fluint-aware DSL introduced in Part-3 http://blog.darrenbishop.com/2011/06/darren-on-flex-flexunit4-testing-with.htmlnoreply@blogger.com (Darren Bishop)4tag:blogger.com,1999:blog-3826577489563855618.post-1645499562548516264Wed, 20 Apr 2011 17:24:00 +00002011-06-17T07:37:09.025+01:00ActionScriptAgileDSLFlashBuilderFlexFlexmojosFlexUnitParsleyTDDTestingIn Part-3 I showed how a DSL can be used to reduce the complexity of asynchronous testing when using the Fluint Sequence API. With this DSL I was also able to remove several lines of boilerplate code. These might be modest improvements, but the introduction of a DSL paves the way for more concise tests. In Part-4, I'll show how to integrate Parsley into FlexUnit by using the [RunWith] and [Rulehttp://blog.darrenbishop.com/2011/04/darren-on-flex-flexunit4-testing-with_20.htmlnoreply@blogger.com (Darren Bishop)6tag:blogger.com,1999:blog-3826577489563855618.post-539138875067178983Mon, 18 Apr 2011 23:38:00 +00002011-06-17T07:33:33.946+01:00ActionScriptAgileDSLFlashBuilderFlexFlexmojosFlexUnitParsleyTDDTestingIn Part-2 I showed how to implement a component-test, with some of the setup delegated to Parsley to leverage IoC and DI. In Part-3, I'll show how to hide the Fluint Sequence API, used for asynchronous testing, behind an embedded asynchronous-DSL. The DSL design presented only really serves to seed an idea; anyone can implement a DSL, using different verb-names for methods and statement http://blog.darrenbishop.com/2011/04/darren-on-flex-flexunit4-testing-with_19.htmlnoreply@blogger.com (Darren Bishop)18tag:blogger.com,1999:blog-3826577489563855618.post-7691265549383826403Sun, 17 Apr 2011 17:37:00 +00002011-06-17T07:27:48.882+01:00ActionScriptAgileDSLFlashBuilderFlexFlexmojosFlexUnitParsleyTDDTestingIn Part-1 I showed a pure-unit test, completely managed outside Parsley. In Part-2 I'll show how to implement a component-test, with some of the setup delegated to Parsley to leverage IoC and DI. The 'test' code: revisited... Again I'll jump straight into the test class itself The FlexUnit4 GetPersonCommandComponentTest package com.darrenbishop.crm.directory.application { import http://blog.darrenbishop.com/2011/04/darren-on-flex-flexunit4-testing-with_17.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-8709278360037481378Mon, 11 Apr 2011 18:33:00 +00002011-06-17T07:08:18.333+01:00ActionScriptAgileDSLFlashBuilderFlexFlexmojosFlexUnitParsleyTDDTestingIn Part I, I'll start off by implementing a 'purist' unit-test. In order to do this, however, I need a context; I think a noddy CRM system will do - I was tempted to use a Calculator system, but decided against it as there was too much temptation to actually implement some logic. Ironically, the point of this blog series is not about testing logic :-/ CRM It Is Then... As mentioned in the http://blog.darrenbishop.com/2011/04/darren-on-flex-flexunit4-testing-with_11.htmlnoreply@blogger.com (Darren Bishop)1tag:blogger.com,1999:blog-3826577489563855618.post-9111709446612954865Tue, 05 Apr 2011 22:30:00 +00002014-11-19T16:55:47.491+00:00ActionScriptAgileDSLFlashBuilderFlexFlexmojosFlexUnitParsleyTDDTestingI've explored in the past the features of FlexUnit4, specifically its asynchronous and UI capabilities, to test the behaviour of the mixins over at my Flexins Project. Recently, however, I've been using Cairngorm and Parsley on an assignment and I've channelled my efforts into testing UI-logic. I've deferred testing views for the time being, focusing on Parsley Command objects and Cairngorm-stylehttp://blog.darrenbishop.com/2011/04/darren-on-flex-flexunit4-testing-with.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-1398546930856514485Mon, 04 Oct 2010 00:51:00 +00002010-10-04T01:51:50.629+01:00BashTidbitsIf you use a linux distro that uses the alternatives framework, from time to time you might need to know where or what those symlinks eventually point to; this was the case for me when I needed to know where my JRE home was... and which java wasn't helping me (much). Google introduced me to readlink which has an -e or -f option which basically switches on recursion. So something like readlink http://blog.darrenbishop.com/2010/03/techie-tidbits-resolving-symlinks.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-8608086113267078913Mon, 04 Oct 2010 00:47:00 +00002010-10-10T20:11:10.555+01:00BashCMDCygwinPerlPythonRubyTidbitsAre you a frequent Cygwin user and/or often ask yourself "Why is the CMD prompt so crap?!"? If so, you'll probably be interested to know how you can inject some or possibly all of that Linux/Bash goodness into your CMD prompt. 1st, Install Cygwin if you haven't already done so 2nd, Extend Your PATH Create a bin (short for binary, but conventionally the home for anything executable) folder in http://blog.darrenbishop.com/2010/10/techie-tidbits-beef-up-cmd-prompt.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-7720934410922473030Sun, 03 Oct 2010 23:56:00 +00002010-10-04T01:50:09.100+01:00BashCygwinTidbitsInstalling Cygwin is a pretty straight forward exercise - but here I walk-through a few extra configuration steps that make Cygwin a real productivity catalyst for my day-to-day activities. 1st, Install Cygwin Download the setup.exe file from here. I usually install to C:\Cygwin and stick all the package stuff in C:\Cygwin\.pkg, where I also stick the setup.exe, once I've initially finished withhttp://blog.darrenbishop.com/2010/10/techie-tidbits-get-going-with-cygwin.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-138095067523371709Fri, 23 Apr 2010 10:50:00 +00002010-04-23T12:10:23.508+01:00In the process of writing some RSpec tests, I found it useful to be able to add arrays of numbers together as you would vectors. Of course Ruby has a Vector class, but I was intrigued as to how I might implement such a thing and what extra utility I could provide; I came up with the following: module Enumerable def **(other) zip(other.fill(0, other.size, size - other.size)).collect {|a| http://blog.darrenbishop.com/2010/04/darren-on-ruby-adding-arrays-like.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-5310679798698309225Thu, 18 Mar 2010 11:47:00 +00002010-09-23T07:28:39.103+01:00TidbitsEvery now and then I come across a wonderful solution to problems I never really realised I had. I've decided to post them all here so a) I can externalise my memory of them and b) Google can do its thing and share the wonderfulness with those that go looking. I'll try to treat this opening blog as an catalog linking to other posts with the details - enjoy q(^_^)p Resolving Symlinks http://blog.darrenbishop.com/2010/03/techie-tidbits-making-life-little.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-2423415475082593751Sat, 07 Nov 2009 14:39:00 +00002011-04-05T00:05:39.676+01:00ActionScriptFlexFlexmojosGitGoogleMavenRecap of Version 0.3If you quickly go back and play with the demo in my previous blog you'll find that if you drag across the TitleWindow i.e. pressing down the mouse button on the background (red canvas), the TitleWindow will stick to the cursor and drag along... not ideal. Also, while it's not obvious in the previous demo application, clicking buttons, sliding scrollbar thumbs or selecting http://blog.darrenbishop.com/2009/11/darren-on-flex-flexins-drag-n-drop.htmlnoreply@blogger.com (Darren Bishop)1tag:blogger.com,1999:blog-3826577489563855618.post-4992435604832384068Tue, 14 Jul 2009 15:21:00 +00002009-07-21T11:17:25.291+01:00Apachemod_railsPassengerRailsRoRRubyThe following BASH commands assume you are in a root shell. It is quite convenient to switch using sudo -s; this should allow for plenty cut and paste action. apt-get update apt-get install -y ssh #... if like me you are working on a bare-bones VM At this point I typically close my VM Server console (cause it's pants... until screw up my network and/or ssh config). I connect using keys from http://blog.darrenbishop.com/2009/07/howto-configure-apachepassenger-with.htmlnoreply@blogger.com (Darren Bishop)2tag:blogger.com,1999:blog-3826577489563855618.post-6942170621710034785Sun, 05 Jul 2009 10:57:00 +00002009-07-05T12:00:40.886+01:00Git If you've ever asked yourself this question, checkout my answer on StackOverflow.com Cheers http://blog.darrenbishop.com/2009/07/how-can-i-set-up-editor-to-work-with.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-451634586200145026Mon, 18 May 2009 17:00:00 +00002009-05-18T18:10:56.412+01:00... but it seems that the query is working now, lol.Never seen this error page before... and I'll probably never see it again. I'm having images of an old desktop in a very large air-craft hanging going, "Pooof"! Update: Further more, I discovered I can't spell, lol (best of breed) http://blog.darrenbishop.com/2009/05/i-broke-google.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-7689999348921680988Wed, 29 Apr 2009 14:27:00 +00002009-04-29T15:33:49.084+01:00 Hey, this is just a quick one to point out this cool on-line tool to build equations: Roger's Online Equation Editor You simply enter you LaTeX into the form, submit and save the image it generates. If like me, any clue you had on LaTeX markup is long-gone, there is a nice concise guide to the Mathsy stuff. Nice one Roger. Cheers http://blog.darrenbishop.com/2009/04/online-equation-builder.htmlnoreply@blogger.com (Darren Bishop)2tag:blogger.com,1999:blog-3826577489563855618.post-3984320296179051311Thu, 16 Apr 2009 23:28:00 +00002009-04-29T15:34:54.191+01:00DerbyJavaJRoRJRubyRailsRoRRubyTomcatThe Series So Far Part 1: Switching to JRuby & Apache Derby showed you how to migrate from the Ruby+SQLite3 technology stack to JRuby+Derby. Part 2: Migrating Your Data From SQLite3 to Derby showed you how to export your data out of your SQLite3 database and import that data into your new Apache Derby database. Now I will take you through using Warbler to package your Rails app into a Web http://blog.darrenbishop.com/2009/04/darren-on-ruby-migrating-rails-to-jee_17.htmlnoreply@blogger.com (Darren Bishop)3tag:blogger.com,1999:blog-3826577489563855618.post-7739743062181556885Tue, 14 Apr 2009 10:29:00 +00002009-05-01T12:48:06.698+01:00DerbyJavaJRoRJRubyRailsRoRRubySQLite3TomcatThe Series So Far Part 1: Switching to JRuby & Apache Derby showed you how to migrate from the Ruby+SQLite3 technology stack to JRuby+Derby. Now we will take a look at migrating the important stuff: your data. I found two ways to do a data migration: the easy way and the hard way. And unfortunately for me, I found the hard way first. Update, 01/05/2009: You Don't Really Need to Migrate http://blog.darrenbishop.com/2009/04/darren-on-ruby-migrating-rails-to-jee.htmlnoreply@blogger.com (Darren Bishop)0tag:blogger.com,1999:blog-3826577489563855618.post-7683602495200717181Sat, 11 Apr 2009 15:28:00 +00002009-04-11T19:36:55.457+01:00BloggingI previously blogged about adding code and displaying it nicely in your blog posts. Back on February 3, 2009 Syntax Highlighting 2.0 was released. It is much nicer than the previous versions and the clipboard feature now works properly - It's also backward compatible or rather it upgrades the old 1.5 style to the 2.0 style without needing to touch all those old blog posts. Cool, ay? Inspired http://blog.darrenbishop.com/2009/04/syntax-highlighting-20-on-blogger.htmlnoreply@blogger.com (Darren Bishop)0