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Best way to iterate through a Perl array

...ay elements occurs. ($_ is aliased to the element in #1, but #2 and #3 actually copy the scalars from the array.) #5 might be similar. In terms memory usage: They're all the same except for #5. for (@a) is special-cased to avoid flattening the array. The loop iterates over the indexes of the array...
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In-memory size of a Python structure

... Yep. The "4 higher" actually mostly look like "rounding up to a multiple of 8" which I believe is correct for the way malloc behaves here. No idea why decimal gets so distorted (with pympler on 2.6, too). – Alex Martelli ...
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How do you properly determine the current script directory in Python?

...ing to get. It's unusual to be executing a script with exec/execfile; normally you should be using the module infrastructure to load scripts. If you must use these methods, I suggest setting __file__ in the globals you pass to the script so it can read that filename. There's no other way to get th...
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解决WaitForSingleObject阻塞UI线程的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

...ile (TRUE) { //wait for m_hThread to be over,and wait for //QS_ALLINPUT(Any message is in the queue) dwRet = MsgWaitForMultipleObjects(1, &hThread, FALSE, INFINITE, QS_ALLINPUT); switch(dwRet) { case WAIT_OBJECT_0: break; //break the loop case WAIT_OBJECT_0 + 1: ...
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How to use if - else structure in a batch file?

...stion about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. How can I do make these parts run? Thank you. ...
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How to write to a file, using the logging Python module?

... __name__ == '__main__': if running on apache – Rami Alloush Apr 14 '19 at 19:08 @RamiAlloush can you please elaborate...
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Can I create links with 'target=“_blank”' in Markdown?

...rget="_blank">Hello, world!</a> Most Markdown engines I've seen allow plain old HTML, just for situations like this where a generic text markup system just won't cut it. (The StackOverflow engine, for example.) They then run the entire output through an HTML whitelist filter, regardless, ...
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How do I list all tables in a schema in Oracle SQL?

How do i list all tables in a schema in Oracle SQL? 14 Answers 14 ...
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Passing argument to alias in bash [duplicate]

...etom: If you're referring to the colors in my answer, that's done automatically by the syntax highlighter. – Paused until further notice. Jul 7 '14 at 5:12 ...
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How can I correctly prefix a word with “a” and “an”?

...uick filter program that spits out only article text (the download is generally in XML format, along with non-article metadata too). Find all instances of a(n).... and make an index on the following word and all of its prefixes (you can use a simple suffixtrie for this). This should be case sensitiv...