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• jQuery Color **Swatch** Picker

  - by Alan Storm

  Has anyone coded up a jQuery query color picker that lets you pick colors from a predetermined list of colors? Something like a product color picker on an Ecommerce site. Most of the searching I've done reveals a lot of general purpose, pick-any-color-in-the-rgb-spectrum, but few options for picking specific colors.

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• Experience with Take home Programming Test for Interviews

  - by Alan

  Okay this is not "programming" related per-se, but it is a situation that I believe the SO audience would be more familiar with, than say an ask.yahoo.com audience, so please forgive me. I had a phone screen the other day with a company that I really want to work for. It went pretty well, based on cues from the HR person, such as "Next step we're going to send you a programming test," and "Well, before I get ahead of myself, do you want to continue the interviewing process." and "We'll send out the test later this afternoon. It doesn't sound like you'll have trouble with it, but I want to be honest we do have a high failure rate on it." The questions asked weren't technical, just going down my resume, and talking about the work I've done, and how it relates to the position. Nothing I couldn't talk through. This was last Thursday. It's now Tuesday, and haven't received the test yet. I sent a follow up email yesterday to the lady who interviewed me, but haven't gotten a response. Anyone had a similar experience? Am I reading too much into this? Or was I off the mark by thinking I had moved on to the next step in the interview process. Since this is a company I really want to work for, I'm driving myself insane enumerating all the various what-if scenarios.

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• What are All the Ways a Programmer Could use PHP to Send an Email?

  - by Alan Storm

  I'm looking for a list of built in PHP functions that a programmer could use to send an email. The obvious answer here is mail(), but I'm also looking for a list of functions someone might use to manually open a connection to an MTA, or spawn a process on the local machine which might in turn send an email using sendmail, postfix, etc. The context here is I want to scan a large, unknown codebase for code that's sending out email (because we already located a call to mail(), and that's not doing it)

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• Is there any benefit to my rather quirky character sizing convention?

  - by Paul Alan Taylor

  I love things that are a power of 2. I celebrated my 32nd birthday knowing it was the last time in 32 years I'd be able to claim that my age was a power of 2. I'm obsessed. It's like being some Z-list Batman villain, except without the colourful adventures and a face full of batarangs. I ensure that all my enum values are powers of 2, if only for future bitwise operations, and I'm reasonably assured that there is some purpose (even if latent) for doing it. Where I'm less sure, is in how I define the lengths of database fields. Again, I can't help it. Everything ends up being a power of 2. CREATE TABLE Person ( PersonID int IDENTITY PRIMARY KEY ,Firstname varchar(64) ,Surname varchar(128) ) Can any SQL super-boffins who know about the internals of how stuff is stored and retrieved tell me whether there is any benefit to my inexplicable obsession? Is it more efficient to size character fields this way? Can anyone pop in with an "actually, what you're doing works because ....."? I suspect I'm just getting crazier in my older age, but it'd be nice to know that there is some method to my madness.

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• Converting items in Visual Studio project from "links" to copied files

  - by Alan Mendelevich

  Hi, I have a Visual Studio (2008) project where I have some files added as links (through Add Existing Item-Add As Link). Suppose I want to copy this project somewhere else (give it to another developer, release source code, etc.) and I would like to "convert" all these links to actual copies of these files. Is this possible? How can I do this in VS or is there some 3rd party utility to do that? Thanks.

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• does a Java getter incur a performance penalty

  - by alan

  if i have the code int getA(){ return a; } and then do something like int b = obj.a(); instead of int b = obj.a; will that mean that the stack will have to be pushed and popped ultimately slowing down my code?

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• How to manipulate the GL.bindframebuffer to target to bind GL_EXT_framebuffer

  - by Alan

  I'm trying to change the framebuffer object from GL_ARB_framebuffer and force it to use GL_EXT_framebuffer since my system is not compatible with the first one. Where in the solution do I need to implement this and how? more information on my problem whenever I create a new Windows OpenGL project from Visual Studio using MonoGame i get the error "cannot find entry point in glbindframebuffer in opengl32.dll" since the framebuffer it uses is GL_ARB_framebuffer which is only supported in Opengl 3 so in a github post i read Gihub post where they suggest this patch that in order to patch you need to force the frame buffers to use GL_EXT_framebuffer but I dont know how to force them to use the EXT instead of the ARB , btw Im using Opengl v2 Mobile intel 4 series card, which is Opengl v2 and ARB needs Opengl v3.

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• Jquery code working in all browsers apart from FF

  - by alan

  Hi, I have written the following jquery sitting in the head tags of my HTML It is supposed to bring the image that is being hovered over to full opacity and slide another image over it from the right, then return when un-hovered. <script type="text/javascript"> $(function() { $('ul#img-nav li').css({ "opacity": .5 }); $('ul#img-nav li').hover(function() { $(this).stop(true).animate({"opacity":1}); $(this).children('.overlay').stop(true).animate({"left" : "18px" }); }, function() { $(this).stop(true).animate({"opacity":.5}); $(this).children('.overlay').stop(true).animate({"left" : "180px" }); }); }); This works fine in Safari, Chrome, IE (7,8) but not in FF 3.6. Any suggestions why this might be? Many thanks

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• xcode compile console application - c programming

  - by Alan

  Is it possible to use Xcode using iPhone 3.1.3 SDK to compile a standard C program that will work on the iphone? I'm trying to use xcode to compile a basic 'hello world' but to no avail. Do I need to obtain an additional application template or am I just missing something?

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• Ruby: how does constant-lookup work in instance_eval/class_eval?

  - by Alan O'Donnell

  I'm working my way through Pickaxe 1.9, and I'm a bit confused by constant-lookup in instance/class_eval blocks. I'm using 1.9.2. It seems that Ruby handles constant-lookup in *_eval blocks the same way it does method-lookup: look for a definition in receiver.singleton_class (plus mixins); then in receiver.singleton_class.superclass (plus mixins); then continue up the eigenchain until you get to #<Class:BasicObject>; whose superclass is Class; and then up the rest of the ancestor chain (including Object, which stores all the constants you define at the top-level), checking for mixins along the way Is this correct? The Pickaxe discussion is a bit terse. Some examples: class Foo CONST = 'Foo::CONST' class << self CONST = 'EigenFoo::CONST' end end Foo.instance_eval { CONST } # => 'EigenFoo::CONST' Foo.class_eval { CONST } # => 'EigenFoo::CONST', not 'Foo::CONST'! Foo.new.instance_eval { CONST } # => 'Foo::CONST' In the class_eval example, Foo-the-class isn't a stop along Foo-the-object's ancestor chain! And an example with mixins: module M CONST = "M::CONST" end module N CONST = "N::CONST" end class A include M extend N end A.instance_eval { CONST } # => "N::CONST", because N is mixed into A's eigenclass A.class_eval { CONST } # => "N::CONST", ditto A.new.instance_eval { CONST } # => "M::CONST", because A.new.class, A, mixes in M

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• More memory usage for IIS 6 asp.net 2.0 on webserver 2003

  - by Alan King

  Running a webserver 2003 SP2 (x86) with IIS 6 and asp.net 2. The box is running mostly dynamic asp pages connecting to a sql 2008 server. At any given time there is over 1 gig of memory available out of the 2 gig in the box. It seems like there would be a way for it to make better use of the free memory. It is using a default machine.config file and default http.sys. I would like to maximize incoming internet connections and database connections. Is there something I can do to make better use of the available memory?

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• amzi prolog + eclipse question

  - by alan

  hey guys i have a question regarding amzi prolog with eclipse, Im running a .pro file which executes a breadth first search and if queue gets too long, the following error message appears: system_error 1021 Control stack full. Compile code or increase .cfg parameter 'control' If so, how may i run the compiled code under eclipse? I've tried running the project but the listener just ends without accepting any queries....?

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• How to set breakpoint in inline Javascript in Google Chrome browser for linux?

  - by Alan McCloud

  When I open Developer Tools in Google Chrome, I see all kinds useless crap like Profiles, Timelines, not to mentions Audits but basic functionality like being able to set breakpoint both in js files and within html javascript code is missing!. I tried to use javascript Console which itself is buggy ( like when once it encounter JS error, cannot get out of it unless refresh the whole page useless when ajax is involved). I am surprised google engineers still have not figured this out if these features still not available. If they are and there is some twisted way to do this, can some one help?

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• How to get number of cores in C?

  - by Alan

  I'm writing a program in C on windows that needs to run as many threads as available cores. But I dont know how to get the number of cores. Any ideas?

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• TextArea component is null on applicationComplete event

  - by Alan G.

  I have a weird issue (weird because it is specific to one component) with applicationComplete in a fairly simple application. All the UI components are declared in MXML. I can access them all in applicationComplete, but not a spark.components.TextArea component, named taStatus here; it is null in the handler. MXML looks sort of like this (there are lots of other components, but nothing special) <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="710" minHeight="640" applicationComplete="onApplicationComplete(event)" width="710" height="640"> <mx:TabNavigator left="15" right="15" top="15" bottom="340" paddingTop="0"> <s:NavigatorContent label="General" width="100%" height="100%"> <s:Label x="93" y="71" text="Label" id="lblTest"/> </s:NavigatorContent> <s:NavigatorContent label="Status" width="100%" height="100%"> <s:TextArea id="taStatus" width="100%" height="100%" text="Startup." editable="false"/> </s:NavigatorContent> </mx:TabNavigator> <fx:Script source="main.as" /> </s:Application> Here is the handler in main.as protected function onApplicationComplete(event: FlexEvent) : void { lblTest.text = 'abc789'; // OK taStatus.text = 'abc789'; // Fail } TypeError: Error #1009: Cannot access a property or method of a null object reference. So taStatus is null... What is so special about this TextArea?

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• Problem with TabHost UI layout.

  - by Alan B

  What I'm trying to do is create a layout like this: +--------+ Search |EditText| [Button] +--------+ +---------+ |Tab 1 |---------+ | |Tab 2 | |---------+---------+-----------------+ | ListView Item 1 | | ListView Item 2 | | ListView Item 3 | | ListView Item 4 | | ListView Item 5 | | ListView Item 6 | | ListView Item 7 | | ListView Item 8 | | ListView Item 9 | | ListView Item 10 | +-------------------------------------+ So that's a TextView saying 'Search', an EditText and a button. Then below it the tabs - Tab 1 has a ListView, Tab 2 some other stuff. I can get a simple TabHost setup with two tabs working fine but can't get the above to lay out properly. Any hints ? I'd create the UI in the Eclipse designer and check the XML from that, except the designer doesn't work with TabHost. And DroidDraw doesn't seem to know about TabHost.

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• Is MobiForms for Android worth investigating ?

  - by Alan B

  I'm working my way through the NotePad tutorial, and that's all fine - I'm not a Java programmer but it's close enough to C# (or vice versa) to make it easy to pick up. I'm surprised that there aren't any RAD tools for Android apart from Mobiforms. Is there anyone out there with experience of Mobiforms ?

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• What's the meaning of the PHP Token Name T_PAAMAYIM_NEKUDOTAYIM

  - by Alan Storm

  What's the story behind the ::'s sometimes token name T_PAAMAYIM_NEKUDOTAYIM I'm mainly interested in knowing if This is an abbreviation for something else This is a phrase in a language other than English, and if so what's the language and what's a rough translation This is some obscure-to-me programming term Drunk Developers Thanks!

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• Proving Predicate Logic using Coq - Beginner Syntax

  - by Alan

  I'm trying to prove the following in Coq: Goal (forall x:X, P(x) /\ Q(x)) - ((forall x:X, P (x)) /\ (forall x:X, Q (x))). Can someone please help? I'm not sure whether to split, make an assumption etc. My apologies for being a complete noob

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• Ipone sdk: How do I get a count of all the phone numbers in a address book?

  - by ALAN

  Hi i am developing an app for my QA department. I need to programically get how many phone numbers are there in the entire address book. No user input. Just click a button and then get how many phonenumbers are there in the ENTIRE addressbook. Please email me at [email protected]

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• Django colon syntax in template tags: only in newer versions?

  - by Alan

  I just deployed an application to a new server, and although I'm using virtualenv, I had to install a new environment on the production server, which has a different architecture. Anyway, I received no TemplateSytaxErrors in development, but on the production server, I get: Exception Type: TemplateSyntaxError Exception Value: Caught SyntaxError while rendering: invalid syntax (views.py, line 25) The offending line is: {% url admin:password_change as password_change_url %} Upon removing that line, the TemplateSyntaxError hops to the next line that has a colon in it (and lets other template tags work fine). So my question is this: is there some discrepancy in versions of Python/Django that would allow or disallow the namespacing syntax? The template tags are in django-grappelli (http://code.google.com/p/django-grappelli/), so I'd rather not go through their code and rewrite all the template tags. Development server: 32-bit Debian Python 2.5.5 Django 1.2.1 Production server: 64-bit CentOS Python 2.4.3 Django 1.2.1 Any ideas?

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• What applications is Python optimal for?

  - by Alan

  I'm already a professional J2EE developer by day, and Rails developer by night. I'm planning on adding Python to my list of skills. I'm already convinced a language is just a tool, so I'm not interested in a religious war. I agree with the Pragmatic Programmers that learning one language/year is a good thing for your professional development So, in your considered opinion, what kinds of applications does Python hit the sweet spot? And why? What advantages does it have, and why do these advantages outweigh the costs in adopting Python? ADD: I also plan on learning a pure functional language like Scheme.

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• Why isn't this company contacting me? [closed]

  - by Alan

  I had a phone screen the other day with a company that I really want to work for. It went pretty well, based on cues from the HR person, such as "Next step we're going to send you a programming test," and "Well, before I get ahead of myself, do you want to continue the interviewing process." and "We'll send out the test later this afternoon. It doesn't sound like you'll have trouble with it, but I want to be honest we do have a high failure rate on it." The questions asked weren't technical, just going down my resume, and talking about the work I've done, and how it relates to the position. Nothing I couldn't talk through. This was last Thursday. It's now Tuesday, and haven't received the test yet. I sent a follow up email yesterday to the lady who interviewed me, but haven't gotten a response. Anyone had a similar experience? Am I reading too much into this? Or was I off the mark by thinking I had moved on to the next step in the interview process. Since this is a company I really want to work for, I'm driving myself insane enumerating all the various what-if scenarios.

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• Multidimensional Array Initialization: Any benefit from Threading?

  - by Alan

  say I have the following code: char[5][5] array; for(int i =0; i < 5; ++i) { for(int j = 0; j < 5; ++i) { array[i][j] = 'X'; } } Would there be a benefit for initializing each row in this array in a separate thread? Imagine instead of a 5 by 5 array, we have a 10 by 10? n x n? Also, this is done once, during application startup.

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• Add code before initialization of units in Delphi

  - by Alan Clark

  Is there a place where I can add code that will be executed before unit initialization? The reason I want to do this is I need to change the DecimalSeparator, this has to be done before the initialization of some units. I have put it in the project source, before Application.Initialize but it is too late by then. As I see it the only choice I have is to put it in the initialization of the unit that needs the DecimalSeparator to be changed, is this the case? Thanks in advance for any advice.

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