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How do I create an empty array/matrix in NumPy?
...ate an empty array (or matrix) and then add one column (or row) to it at a time.
13 Answers
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Automatically create an Enum based on values in a database lookup table?
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Enums must be specified at compile time, you can't dynamically add enums during run-time - and why would you, there would be no use/reference to them in the code?
From Professional C# 2008:
The real power of enums in C# is that behind the scenes they are ...
Why generate long serialVersionUID instead of a simple 1L?
...sionUID(3567653491060394677L) . I think that first one is cooler, but many times I saw people using the second option. Is there any reason to generate long serialVersionUID ?
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continue processing php after sending http response
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Yes. You can do this:
ignore_user_abort(true);
set_time_limit(0);
ob_start();
// do initial processing here
echo $response; // send the response
header('Connection: close');
header('Content-Length: '.ob_get_length());
ob_end_flush();
ob_flush();
flush();
// now the request ...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...ctor creates something of type Object that behaves as a string most of the time.
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PostgreSQL: How to pass parameters from command line?
... isn't closed. If you play with PREPARE into psql it's hard to invent each time a new name and DEALLOCATE can help with it =)
– Ivan Black
Mar 19 '16 at 23:19
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Undoing a 'git push'
...if the first one works, it's the cleanest approach. If I chould UP you 10 times Charles, I would. :)
– Cyrus
Aug 13 '09 at 8:51
139
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When would I use XML instead of SQL? [closed]
...d field- and record-lengths which makes them able to respond in a constant time to any request while XML-, Yaml-, JSon- and other text-based data storages are basically text-based, so all queries are performed trough text parsing which has a huge overhead in processor time, and can be performed in u...
What is a “first chance exception”?
... program where if it isn't handled it gets thrown to the debugger a second time, giving you a chance to do something with it in your IDE before and after the application itself. This appears to be a Microsoft Visual Studio invention.
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“Treat all warnings as errors except…” in Visual Studio
...some of your arguments, but removing a var you don't use doesn't take much time AND you definitely want to know that another team made something obsolete.
– tymtam
Dec 19 '16 at 22:02
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