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• smallest filesize for transparent gif

  - by zaf

  I'm looking for the smallest (in terms of filesize) transparent 1 pixel image. Currently I have a gif of 49 bytes which seems to be the most popular. But I remember many years ago having one which was less than 40 bytes. Could have been 32 bytes. Can anyone do better? Graphics format is no concern as long as modern web browsers can display it and respect the transparency.

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• Drupal taxonomy multi-select default value

  - by msindle

  I'm using drupal 6.16 and have a set of taxonomy terms that are set up as a multi-select box. I would like for the first item to be selected when the user loads the page. I dont know if I need to add code to a file or just simply change a setting. I should warn you I do not have a lot of experience, but would rate myself as a low intermediate level programmer. Thanks in advance msindle

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• What's a regular language?

  - by Javier Badia

  I've read that you can't parse HTML with regular expressions because HTML is not a regular language. I tried searching Wikipedia, but I didn't understand a word of what the various related articles said. Can someone explain, in simpler terms, what's a regular (or non-regular) language, and why non-regular languages can't be parsed with regexes?

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• Creating Read-only logs with python

  - by Travis

  I am writing a python script that needs to make a log entry whenever it's invoked. The log created by the script must not be changeable by the user (except root) who invoked the script. I tried the syslog module and while this does exactly what I want in terms of file permissions, I need to be able to put the resulting log file in an arbitrary location. How would I go about doing this?

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• Can someone clarify what this Joel On Software quote means: (functional programs have no side effect

  - by Bob

  I was reading Joel On Software today and ran across this quote: Without understanding functional programming, you can't invent MapReduce, the algorithm that makes Google so massively scalable. The terms Map and Reduce come from Lisp and functional programming. MapReduce is, in retrospect, obvious to anyone who remembers from their 6.001-equivalent programming class that purely functional programs have no side effects and are thus trivially parallelizable. What does he mean when he says functional programs have no side effects? And how does this make parallelizing trivial?

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• To HTML 5 or not to HTML 5 ?

  - by ZX12R

  I am a designer whose main marketing strategy is multi browser compatibility. I assure my clients that the site will work even in IE6 (!). Of late i have been pondering over the question of moving to HTML 5. The reason behind my apprehension is that IE6 is still a major player in terms of market share and i don't want to lose it. Is there any way of moving to HTML 5 and still promise multi browser compatibility? Thank you.

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• When should use doctrine ORM and when zend-db-table?

  - by meyosef

  In terms of project scale, doctrine vs zend-db-table speed and performance, when should I use doctrine inside Zend project, and when zend-db-table?

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• What is the single most compelling reason to migrate to Spring 3 from 2.x

  - by bart

  Currently working on a Spring 2.5 web application, looks as if the business has at least a 5+ year plan for it's usage. There isn't anything in terms of a technology roadmap in place for the app.

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• Is it possible to use Workflow ReceiveActivity with independently written WCF service?

  - by ageektrapped

  Suppose I had a WCF service that I have coded up, like Clemens Vasters's XML-RPC with WCF, and want to stick a workflow behind it on the server side. Is this possible to do with Windows Workflow? If so, how? The toolbox ReceiveActivity appears to create the WCF service for me. I'd prefer the answer in terms of Workflow 4.0, if possible.

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• What's the best way to store a MySQL database in source control?

  - by Marplesoft

  I am working on an application with a few other people and we'd like to store our MySQL database in source control. My thoughts are two have two files: one would be the create script for the tables, etc, and the other would be the inserts for our sample data. Is this a good approach? Also, what's the best way to export this information? Also, any suggestions for workflow in terms of ways to speed up the process of making changes, exporting, updating, etc.

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• Reasons to start a new project in COBOL

  - by luvieere

  Are there any feasible reasons to start a new project in COBOL? What benefits of this language one would find convincing enough to start a new project in it? I'm thinking more about viewing the language in terms of Behavior Driven Development, something related to the steps involved in using a framework such as Cucumber, only that behavior description and step definition would be integrated into one unit by using tha language's features.

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• Protecting DLL's

  - by j-t-s

  Hi All Quite a few people have really taken interest in the dll's ivé sent them, and they're not the type that should be given away for free too often... I was just wondering, if I were to sell my components, user controls etc, how would I go about protecting them, in terms of ownership/encrypting code (if possible) etc.. What steps have you taken to help prevent people using yours without paying for them? Thank you very much! jt

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• Mobile Video Detection

  - by aaroninfidel

  Hi, I'm using DeviceAtlas to detect mobile phones, I was wondering if anyone had some good resources in terms of standard codecs, video dimensions that are used and how you go about serving video to mobile devices. Thanks! -Aaron

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• By using ejb3 and jsf do I still have to do jndi lookup?

  - by Bariscan

  I am not sure jndi lookup is necessary or not in terms of ejb3 technology advantages. Any help would be appreciated, thanks.

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• Synchronous and asynchronous callbacks

  - by csharpbaby

  I get confused with some terms while reading MSDN documents and code samples. What are callbacks in C#? In particular, what are synchronous and asynchronous callbacks ? Please explain these from a layman's point of view. Also, please explain the IAsyncResult interface. How can we implement it? (with very simple example) Thanks in advance. EDITED: Fixed spelling, grammar

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• how good is java's UUID.randomUUID?

  - by Alvin

  I know randomized UUID have very very very low probability for collision in theory, but I am wondering, in practice, how good is java 5's randonUUID in terms of not having collision? Does anybody have any experience to share?

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• regex question: independent position of words

  - by Fuxi

  hi all, is it possible to define a regex pattern which checks eg. for 3 terms independent to their position in the main string? eg. my string is something like "click here to unsubscribe: http://www.url.com" the pattern should also work with "http:// unsubscribe click" thx

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• Whats the difference between Software Engineer I, II, III, and senior?

  - by eviljack

  Like the title says --- I have seen people that are senior engineers, but they seemed to know less than some guys that were software engineer II, or III. I was wondering what is the breakdown in terms of skillset and experience, and especially pay?

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• Javascript: detect when a window is resized ?

  - by Patrick

  Is there any way with jQuery or javascript to trigger a function when the user ends to resize the browser window ? In other terms: 1) Can I detect mouse up event when user is resizing the browser window ? otherwise 2) Can I detect when a window resize operation is finished ? I'm currently only able to trigger an event when the user start to resize the window with jquery thanks

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• Best way to store date/time into core data

  - by Dave

  Hi, For each course I am storing the day of the week the class the user has...and the start and end time and room no. What would be the best approach in terms of data type, Like for storing time?? so that when I pull it out I can display it e.g 1:00 PM. Thanks!

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• How to access age restriction parental controls on iPhone sdk

  - by mike.fullerton

  Hi all, is there a way to programmatically access the age restriction set in the parental controls on the iPhone/iPad/iPod? I'd like to disallow features if the age restriction is too low. I've been searching around, but maybe I'm not using the right search terms or something. Any help appreciated. Maybe it just doesn't work this way. thanks

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• Testing Spring MVC Output

  - by Sammy

  Hello, So I have an MVC project that exposes my services in JSON format. What would be the ideal method of (unit?) testing whether or not my methods return correct content (in terms of JSON syntax as well)? Thank you, Sammy

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• Visual Studio 'SQL Server 2008 Server Project' vs. 'Sql Server 2008 Database project' ?

  - by user193189

  I can't see to find a quick explanation of the differences so I can figure out which to use. One is for a server one is for a Database? Im not sure what that means.. Basically we are doing a new web app and I want to see what these project types can offer me in terms of tracking the DB code/schema etc..

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• Book Recommendation for OO design and TDD

  - by whatispunk

  I know there are a ton of books available on the subject but I want one that is recent and describes OOD in terms of TDD, dependency injection, IoC containers, and mocking frameworks. I realize this question is subjective, but I trust in the opinions of SO-ers and am having difficult using Google to provide any real results. Thanks.

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• How do you find the disk size of a Postgres table and its indexes

  - by mmrobins

  I'm coming to Postgres from Oracle and looking for a way to find the table and index size in terms of bytes/MB/GB/etc, or even better the size for all tables. In Oracle I had a nasty long query that looked at user_lobs and user_segments to give back an answer. I assume in Postgres there's something I can use in the information_schema tables, but I'm not seeing where. Thanks in advance.

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