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Is “IF” expensive?
... selections on the Real Time Collision Detection Blog.
In addition to the excellent answers already posted in response to this question, I'd like to put in a reminder that although "if" statements are considered expensive low-level operations, trying to utilize branch-free programming techniques in...
Capture screenshot of active window?
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Excellent! I wanted to capture the content of a panel in my app. So I did sc.CaptureWindowToFile(panel1.Handle, "c:\temp.jpg", imageformat.jpg) and voila!
– D. Kermott
Apr 16 '15 at ...
Lambda function in list comprehensions
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Excellent answer. I just ran into this issue as well. On one hand it does point to a Python limitation, but on the other hand it might also be a code smell indicator. I'm using this solution for a toy project, but it might be...
Cause of a process being a deadlock victim
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Although @Remus Rusanu's is already an excelent answer, in case one is looking forward a better insight on SQL Server's Deadlock causes and trace strategies, I would suggest you to read Brad McGehee's How to Track Down Deadlocks Using SQL Server 2005 Profiler
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What is tail call optimization?
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Excellent example that illustrates the concept. Just take into account that the language you choose has to implement tail call elimination or tail call optimization. In the example, written in Python, if you enter a value of...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
... to the OP's question more complete...
Example: I am going to install the excellent prettyplotlib package on Windows using conda 2.2.5.
1a) conda build --build-recipe prettyplotlib
You'll see the build messages all look good until the final TEST section of the build. I saw this error
File "C:...
Programming with white text on black background?
...an black which in turn will be better than blue, red etc. Black on grey is excellent.
The solarized theme actually is after some good round of testing, going after their website. The good thing I love about Notepad++ is that some of the better known themes like solarized, zenburn, vibrant ink are ...
How do you avoid over-populating the PATH Environment Variable in Windows?
...hp script.php" instead of just "php script.php" (which works both ways) An excellent reason to use .bat dispatcher is to prevent PATH names conflicts (multiples version of the same exe)
– 131
Sep 22 '13 at 10:16
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Creating my own Iterators
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Here Designing a STL like Custom Container is an excellent article which explains some of the basic concepts of how an STL like container class can be designed along with the iterator class for it. Reverse iterator (little tougher) though is left as an exercise :-)
HTH,
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How to: Define theme (style) item for custom widget
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Another aspect in addition to michael's excellent answer is overriding custom attributes in themes.
Suppose you have a number of custom views that all refer to the custom attribute "custom_background".
<declare-styleable name="MyCustomStylables">
<att...