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How do I detect what .NET Framework versions and service packs are installed?
...ncies, .NET 3.0 adds additional functionality to .NET 2.0 so both .NET 2.0 and .NET 3.0 must both evaulate as being installed to correctly say that .NET 3.0 is installed. Likewise, .NET 3.5 adds additional functionality to .NET 2.0 and .NET 3.0, so .NET 2.0, .NET 3.0, and .NET 3. should all evaluate...
When saving, how can you check if a field has changed?
... if you make changes to the object, save it, then makes additional changes and call save() on it AGAIN, it will still work correctly.
– philfreo
Mar 14 '12 at 22:57
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How to send a stacktrace to log4j?
Say you catch an exception and get the following on the standard output (like, say, the console) if you do a e.printStackTrace() :
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The purpose of Model View Projection Matrix
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The model, view and projection matrices are three separate matrices. Model maps from an object's local coordinate space into world space, view from world space to camera space, projection from camera to screen.
If you compose all three, you...
How to loop through an array containing objects and access their properties
I want to cycle through the objects contained in an array and change the properties of each one. If I do this:
15 Answers
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What's a good IDE for Python on Mac OS X? [closed]
...start a new job where the coding practices are heavily centered around TDD and refactoring, and whose primary development language is Python. I come from the Java world, and have been a confident user of Eclipse for a good, long time. When not working in Java, I use emacs.
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How to remove files from git staging area?
I made changes to some of my files in my local repo, and then I did git add -A which I think added too many files to the staging area. How can I delete all the files from the staging area?
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PowerShell and the -contains operator
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The -Contains operator doesn't do substring comparisons and the match must be on a complete string and is used to search collections.
From the documentation you linked to:
-Contains
Description: Containment operator. Tells whether a collection of reference values includes a...
Trees in Twitter Bootstrap [closed]
...g to work on creating a tree (like a directory tree) that uses as much CSS and as little JS as possible (only for states, etc), and I want to know if there are some good existing tree plugins for bootstrap or jquery-ui bootstrap .
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Is there a way to add/remove several classes in one single instruction with classList?
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And if you want to apply an Array of several class-names, you have to call: DOMTokenList.prototype.add.apply(elem.classList, ['first', 'second', 'third']);
– Emanuel Kluge
Feb 15 '13 at...