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PHP: How to send HTTP response code?
...)? (2) ever find anything like http_response_text() in the 5.4 world? At least the old header() can affect the text after the status code.
– Bob Stein
Aug 18 '13 at 20:39
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Which encoding opens CSV files correctly with Excel on both Mac and Windows?
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Excel Encodings
I found the WINDOWS-1252 encoding to be the least frustrating when dealing with Excel. Since its basically Microsofts own proprietary character set, one can assume it will work on both the Mac and the Windows version of MS-Excel. Both versions at least include a corres...
Why is the use of alloca() not considered good practice?
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The answer is right there in the man page (at least on Linux):
RETURN VALUE
The alloca() function returns a pointer to the beginning of the
allocated space. If the
allocation causes
stack overflow, program behaviour is undefined.
Which i...
A CSS selector to get last visible div
... alternative in sight... or provide an alternative. But this answer has at least done its due diligence in actually stating that CSS cannot do what is being asked (albeit it doesn't elaborate why). On the other hand, an answer that just goes off on a JavaScript solution without acknowledging the CSS...
using href links inside tag
...still cannot drop the idea of a select don’t use the onchange handler at least. This is a real pain for keyboard users, it makes your third item nearly inaccessible.
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REST API 404: Bad URI, or Missing Resource?
...urning a 200 on misses instead of a 404 may give the client a clue that at least the http://mywebsite/api/user part is correct. A malicious client could just keep trying different integers. But to me, a malicious client would be able to guess the http://mywebsite/api/user part anyway. A better re...
Increment a database field by 1
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If you can safely make (firstName, lastName) the PRIMARY KEY or at least put a UNIQUE key on them, then you could do this:
INSERT INTO logins (firstName, lastName, logins) VALUES ('Steve', 'Smith', 1)
ON DUPLICATE KEY UPDATE logins = logins + 1;
If you can't do that, then you'd have to fe...
Converting numpy dtypes to native python types
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I am using pandas (0.23.0). At least for that version, np.str doesn't have the .item() method so the only way I saw was to wrap .item() inside a try block.
– Robert Lugg
Jan 8 '19 at 19:51
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Division of integers in Java [duplicate]
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Convert both completed and total to double or at least cast them to double when doing the devision. I.e. cast the varaibles to double not just the result.
Fair warning, there is a floating point precision problem when working with float and double.
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Parsing JSON with Unix tools
...-o is orders of magnitude faster than the Python standard json library, at least when doing this for tweets (which are ~2 KB each). I'm not sure if this is just because json is slow (I should compare to yajl sometime); but in principle, a regex should be faster since it's finite state and much more...