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Design Patterns: Abstract Factory vs Factory Method
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It seems that the OP's list of (excellent) questions has been ignored. Current answers merely offer rehashed definitions. So I will attempt to address the original questions concisely.
If the Abstract Factory has only one creator and one product, is ...
What is the difference between an int and an Integer in Java and C#?
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I'll add to the excellent answers given above, and talk about boxing and unboxing, and how this applies to Java (although C# has it too). I'll use just Java terminology because I am more au fait with that.
As the answers mentioned, int is j...
Scalar vs. primitive data type - are they the same thing?
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Excellent linguistic definitions. This answer should be read along with Michael Ekstrand's answer for a fuller discussion. In the context of programming languages, scalar has different meanings, unfortunately.
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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 ...