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Rails select helper - Default selected value, how?
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This should do it:
<%= f.select :project_id, @project_select, :selected => params[:pid] %>
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Force drop mysql bypassing foreign key constraint
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Oh my, I feel so stupid now, I was substituting the word DATABASE with the actual name of the database instead of adding it afterwards, thanks both +1
– johnnyArt
Feb 20 '10 at 0:53
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How to wait for the 'end' of 'resize' event and only then perform an action?
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I had luck with the following recommendation: http://forum.jquery.com/topic/the-resizeend-event
Here's the code so you don't have to dig through his post's link & source:
var rtime;
var timeout = false;
var delta = 200;
$(window).r...
How to format strings in Java
Primitive question, but how do I format strings like this:
8 Answers
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Is there a C# type for representing an integer Range?
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I found it best to roll my own. Some people use Tuples or Points, but in the end you want your Range to be extensive and provide some handy methods that relate to a Range. It's also best if generic (what if you need a range of Double...
Default initialization of std::array?
With C++11 std::array , do I have the guarantee that the syntax std::array<T, N> x; will default-initialize all the elements of the array ?
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Maven error: Could not find or load main class org.codehaus.plexus.classworlds.launcher.Launcher
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I hit this problem too, and found this article. For Maven3, changing my environment variable name from M2_HOME to M3_HOME did the trick. I am on a Mac running OSX 10.9 with JDK 1.7. Hope this helps.
Note: Please delete M2_HO...
Maintain git repo inside another git repo
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It sounds like you want to use Git submodules.
Git addresses this issue using submodules. Submodules allow you to keep a Git repository as a subdirectory of another Git repository. This lets you clone another repository i...
What is the best way to use a HashMap in C++?
... has a HashMap API, but I cannot find any good and thorough documentation with good examples regarding this.
5 Answers
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Replace console output in Python
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An easy solution is just writing "\r" before the string and not adding a newline; if the string never gets shorter this is sufficient...
sys.stdout.write("\rDoing thing %i" % i)
sys.stdout.flush()
Slightly more sophisticated is a progress bar... thi...