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How to get current CPU and RAM usage in Python?
What's your preferred way of getting current system status (current CPU, RAM, free disk space, etc.) in Python? Bonus points for *nix and Windows platforms.
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What are inline namespaces for?
...vector implementation is chosen. If your codebase was written in pre-C++98 times, and you find that the C++98 version of vector is causing trouble for you when you upgrade your compiler, "all" you have to do is to find the references to std::vector in your codebase and replace them by std::pre_cxx_1...
C# Java HashMap equivalent
... Dictionary<TKey, TValue> is preferable, because of compile time type checking and because it doesn't require boxing of value types.
– Thorarin
Aug 13 '09 at 16:56
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.gitignore is ignored by Git
... hehe, yep, I should have created it in netbeans (which I was using at the time), eclipse or visual studio. I just called it from the commandline thinking it wouldn't make a difference.
– Matt Parkins
Jul 12 '12 at 13:39
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How can I put strings in an array, split by new line?
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Actually, this did not work for me. Sometimes newlines where still present in the array keys.
– Maurice
Aug 29 '12 at 7:29
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Why is there a difference in checking null against a value in VB.NET and C#?
... way was a controversial one. I was not on the language design team at the time but the amount of debate that went into this decision was considerable.
– Eric Lippert
Mar 20 '13 at 15:37
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How to remove the last character from a string?
I want to remove the last character from a string. I've tried doing this:
32 Answers
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what is “strict mode” and how is it used?
...se you did not use the keyword "var" to declare the variable.
Most of the time you don't mean to create global variables in the middle of some arbitrary scope, so most of the time that blah = 33 is written it is an error and the programmer didn't actually want it to be a global variable, they meant...
parseInt vs unary plus, when to use which?
What are the differences between this line:
5 Answers
5
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ORA-00979 not a group by expression
...Sure, the result for a column not in the GROUP BY would be random, but sometimes you want that. Silly Oracle, you can do this in MySQL/MSSQL.
BUT there is a work around for Oracle:
While the following line does not work
SELECT unique_id_col, COUNT(1) AS cnt FROM yourTable GROUP BY col_A;
You ca...