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• Ruby off the rails

  - by JesperE

  Sometimes it feels that my company is the only company in the world using Ruby but not Ruby on Rails, to the point that Rails has almost become synonymous with Ruby. I'm sure this isn't really true, but it'd be fun to hear some stories about non-Rails Ruby usage out there.

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• iPhone: Where to Start Learning OpenGL ES for basic 2D drawing?

  - by mystify

  All I want is really absolutely basic 2D drawing stuff e.g. rectangles, circles, paths, curves, béziers and so on. I don't need all the 3D model meshes with all this texturing and lighting. Is there a good learning resource for a fast startup programming just for fun?

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• How do I emphasize parts of an lstlisting?

  - by FredOverflow

  How can I set certain parts of an lstlisting in boldface? \begin{lstlisting}[escapechar=@] fun(foo, bar, @\textbf{baz}@ ); \end{lstlisting} This compiles, but baz isn't set in boldface :( What am I missing?

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• Django - calling full_clean() inside of clean() equivalent?

  - by orokusaki

  For transaction purposes, I need all field validations to run before clean() is done. Is this possible? My thinking is this: @transaction.commit_on_success def clean(self): # Some fun stuff here. self.full_clean() # I know this isn't correct, but it illustrates my point. but obviously that's not correct, because it would be recursive. Is there a way to make sure that everything that full_clean() does is done inside clean()?

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• Where to find good examples or Templates for Configuration Management Plans?

  - by Geo

  Documentation is not the favorite area of a developer but an important area to fulfill if you want to have standards in the organization. We are trying to put together a new Configuratio Mgmt Plan to setup Change Controls, Backups strategies and other fun things, like the process from development, staging to production. I will like to have your opinions on good examples or probably a good start for CMP process.

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• Is there a Twitter App Builder?

  - by monocat

  I have a small fun Twitter app idea and I was wondering if there are Twitter app builders such as the ones you can find for iPhone? If there aren't any. Are there good resources of learning how to put a Twitter app together?

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• Copying a field to another table in Access

  - by Jacques Tardie

  I'm a bit embarassed asking this here, but here goes: I've got two tables, which you can see here: http://img411.imageshack.us/img411/4562/query.jpg I need to copy the effortid from the one table into the other, making sure that the values still maintain the correction relationships. The primary key for each is a combination of loggerid & datetime. What's the best way to do this? Thanks in advance, and don't make fun :)

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• What is the purpose of "do!" notation in F#?

  - by Yacoder

  I'm a beginner in F#, so it's a simple question and maybe a duplicate, but I couldn't find the answer anywhere... I'm reading this LOGO DSL implementation and I don't understand, what is the meaning of the "do!" notation in here: this.Loaded.Add (fun _ -> async { do! Async.Sleep 200 for cmd in theDrawing do do! this.Execute(cmd) } |> Async.StartImmediate ) Can you help?

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• Is there a way to make C macros keyword agnostic?

  - by Dragos Toader

  Is there a way to concatenate keywords in a macro and get C to behave in a more dynamic fashion as in: #define macro(fun,ction,var,iable) function(variable) I know this kind of thing exists in other languages.

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• count of paths from A[a,b] to A[c,d] without duplicating?

  - by Sorush Rabiee

  I write a sokoban solver for fun and practice, it uses a simple algorithm (something like BFS). now i want to estimate its running time ( O and omega). but i need to know how to calculate count of paths from a vertex to another in a network. each path from a to b is a sequence of edges with no circuit. for example this is a correct path: http://www.imgplace.com/viewimg143/4789/501k.png but this is not: http://www.imgplace.com/viewimg143/6140/202.png

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• scala sbt with pk11 or steps

  - by portoalet

  I am quite frustrated with sbt and pk11/steps I am just trying to run "jetty-run", but i got so many dependency errors, it's not fun anymore. I am stuck with unresolved dependencies for sjson 0.3 Does anyone know which mvn repo can I get sjson 0.3 from?

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• How to find about structure of bitmap and JPEG files?

  - by Sorush Rabiee

  I'm trying to write a very simple image processing program for fun and practice. I was using System.Drawing. ... .Bitmap class to handle images and edit their data. but now I want to write my own class of Bitmap object implementation and want to know how bmp files (and other common bitmap formats) and their meta-data (indexing, color system & etc) are stored in files, and how to read and write them directly?

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• set timeout to http response read method in python

  - by nirtayeb

  Hi, I'm building a download manager in python for fun, and sometimes the connection to the server is still on but the server doesn't send me data, so read method (of HTTPResponse) block me forever. This happens, for example, when I download from a server, which located outside of my country, that limit the bandwidth to other countries. How can I set a timeout for the read method (2 minutes for example)? Thanks, Nir.

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• ARM Simulator on Windows

  - by Betamoo

  I am studying ARM Processors from a textbook... I thought it will be more useful if I could apply what I learn on an ARM simulator... writing code then watching results and different execution stages would be more fun... I have searched for it, but all I could find was either a freeware on linux or a demo on windows Is there a simulator that allow me to see execution steps and different changes for ARM processor (any version!) that runs on windows?? Thanks

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• Grails/Roo for a .Net developer

  - by Kynth

  I am currently picking up Grails and Roo to expand my skills and to have a bit of fun. The vast majority of training materials appear aimed at new developers or Java developers. Does anyone know of any guides, resources or have any tips and anecdotes for translating existing development experience with .Net (C#/ASP.Net/Asp.Net MVC)?

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• Can I use declare-const to eliminate the forall universal quantifier?

  - by monica

  I have some confusion of using universal quantifier and declare-const without using forall (set-option :mbqi true) (declare-fun f (Int Int) Int) (declare-const a Int) (declare-const b Int) (assert (forall ((x Int)) (>= (f x x) (+ x a)))) I can write like this: (declare-const x Int) (assert (>= (f x x) (+ x a)))) with Z3 will explore all the possible values of type Int in this two cases. So what's the difference? Can I really use the declare-const to eliminate the forall quantifier?

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• What reasons for software developers to write open source projects?

  - by sashaeve

  What key reasons for software developers can you list so they will decide to make their products as open source (I don't mean products just for fun but real products)?

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• How can I stop cruise control re-building after a failed build?

  - by RodeoClown

  I got back from the weekend to discover that somebody *ahem* had missed a file commit last thing Friday afternoon... Cruise control has been having fun, and tried to re-build every five minutes since then despite no further commits. This means that my colleagues and I have received approximately six hojillion emails from cruise control. A single fail email would be more than enough to notify us. Is there any way to stop cruise control building on failure, at least until a new commit occurs?

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• Tired of ASP.NET, which of the following should I learn and why?

  - by ke42

  Which of the following technology is easy to learn and fun for developing a website? If you could only pick one which would it be and why Clojure/Compojure+Ring/Moustache+Ring Groovy/Grails Python/Django Ruby/Rails Turbogear Cappuccino or Sproutcore Javascript/jQuery

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• jQuery Stop non-css animation

  - by Mark

  I'm trying to stop a non-css animation: http://jsbin.com/aqute4/4/edit Button 1 starts the animation nicely, totally lost on how to stop it though, since .stop() seems to need a DOM element... rather than a random object. Thanks in advance. PS: Original code comes from: http://james.padolsey.com/javascript/fun-with-jquerys-animate/

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• Javascript Namespace Declaration

  - by objektivs

  What neat ways do you use for declaring JavaScript namespaces. I've come across this one: if (Foo == null || typeof(Foo) != "object") { var Foo = new Object();} Is there a more elegant or succinct way of doing this? Just a bit of fun...

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• Powder Physics Games

  - by frinkz

  Does anyone have any experience with this sort of thing? I'm talking about applets like this http://dan-ball.jp/en/javagame/dust/ I'm really interested in how they work, it seems more like fluid-dynamics than regular game physics. Does anyone know any open source variations, or any hints on how they might work? I think it would be really fun and challenging to work on something like this, but I'm not sure where to start researching... Thanks :)

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• Where to start game programming for Android

  - by Marthin

  Hi, I'm new to game programming. But I'v got an ide for what I think would be a fun game for the Android platform. My question is, where do I start? Anyone got some good sites to recommend or perhaps a book or two. I'v got medium skills when it come to programming but i'v got a masters of science degree in computer engineering so i'm not totally unfamiliar with algorithms and stuff. Thx for any help! /Marthin

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• I want to trace logs using a Macro multi parameter always null. problem c++ windows

  - by sxingfeng

  I am using the following way to cout a function's time: #define TIME_COST(message, ...)\ char szMessageBuffer[2048] = {0};\ va_list ArgList;\ va_start(ArgList, message);\ vsprintf_s(szMessageBuffer, 2048, message, ArgList);\ va_end(ArgList); \ string strMessage(szMessageBuffer);\ CQLogTimer t(strMessage); // CQLogTimer is a self destructor,which will cout life time of its own and print szMessageBuffer. However when I use the macro this : void fun { TIME_COST("hello->%s", filePath); XXXXXX } The message generated always is hello-(null) Can Any one help? Many thanks!

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• Where to go from PHP?

  - by dabito

  I'm a seasoned PHP programmer and I really like the way it works and find it very fun to work with (performance could be improved and some functions renamed, but nothing too serious). However, I took a java seminar and now Im very interested in using GWT for upcomming projects, although I think the learning curve can be steep. Should I really go through with this change (PHP JAVA)? Where to begin?

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