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best way to preserve numpy arrays on disk
...rays. I want to save them to the disk in a binary format, then read them back into memory relatively fastly. cPickle is not fast enough, unfortunately.
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Batch files - number of command line arguments
Just converting some shell scripts into batch files and there is one thing I can't seem to find...and that is a simple count of the number of command line arguments.
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Java equivalents of C# String.Format() and String.Join()
I know this is a bit of a newbie question, but are there equivalents to C#'s string operations in Java?
16 Answers
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Iterator invalidation rules
What are the iterator invalidation rules for C++ containers?
6 Answers
6
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log4j configuration via JVM argument(s)?
...uments to the JVM to get log4j to run properly? And by properly I mean not complain and print to the console. Can I see a typical example?
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Refactoring in Vim
Of course the fact that you can refactor on IDEs is priceless for many, I hardly ever do it when I am coding but I may try to do it when editing some one else's source. How do you accomplish such a trivial task across multiple files in Vim?
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Constant pointer vs Pointer to constant [duplicate]
I want to know the difference between
8 Answers
8
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Calculate difference in keys contained in two Python dictionaries
Suppose I have two Python dictionaries - dictA and dictB . I need to find out if there are any keys which are present in dictB but not in dictA . What is the fastest way to go about it?
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How do I run only specific tests in Rspec?
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What is the 'override' keyword in C++ used for? [duplicate]
I am a beginner in C++. I have come across override keyword used in the header file that I am working on. May I know, what is real use of override , perhaps with an example would be easy to understand.
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