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How to define a custom ORDER BY order in mySQL
...an ENUM column specifically it will use that internal index instead of the string values ( unless CAST() is used to make it back to a VARCHAR)
– Simon at My School Portal
Mar 26 '15 at 9:36
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Effective method to hide email from spam bots
...'@'), indexOf('mailto:'), etc. The parsing thread would receive only +-200 chars around the match which would allow so complex parsing that it would 'appear' to be infinite in terms of parsing power.
– Jani Hyytiäinen
Feb 28 '15 at 8:33
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Overloading Macro on Number of Arguments
... expand the _COUNT_ARGS(__VA_ARGS__) part, which otherwise is treated as a string.
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Qt 5.1.1: Application failed to start because platform plugin “windows” is missing
...e main method before the QApplication call like this:
int main( int argc, char *argv[] )
{
QCoreApplication::addLibraryPath(".");
QApplication app( argc, argv );
...
return app.exec();
}
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How to design a database for User Defined Fields?
...columns for fieldname or tablename is storing metadata identifiers as data strings, and that's the start of a lot of the problems. Also see en.wikipedia.org/wiki/Inner-platform_effect
– Bill Karwin
Mar 3 '11 at 16:51
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What is a “memory stomp”?
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Very often it is a buffer overrun; as an example, this code:
char buffer[8];
buffer[8] = 'a';
will "stomp" on whatever happens to be in the next thing in memory after buffer. Generally speaking, 'stomping' is when memory is written to unintentionally.
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DateTime2 vs DateTime in SQL Server
...nts doesn't support date, time, or datetime2 and force you to convert to a string literal. If you're concerned more about compatability than precision, use datetime
– FistOfFury
Jun 25 '14 at 20:49
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What is “2's Complement”?
...hree
1100 to 1000 - negative four to negative eight
Note that you get one extra value for negatives (1000 = -8) that you don't for positives. This is because 0000 is used for zero. This can be considered as Number Line of computers.
Distinguishing between positive and negative numbers
Doing this, t...
How to print the full traceback without halting the program?
..._error
RuntimeError: something bad happened!
Or perhaps you just want the string, in which case, you'll want the traceback.format_exc function instead:
try:
do_something_that_might_error()
except Exception as error:
logger.debug(traceback.format_exc())
Which logs:
DEBUG:__main__:Traceback ...
Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
...feeding it a data URI in the relevant meta tag.
This technique avoids the extra http request and is confirmed to work in recent versions of Chrome, Firefox and Opera on Windows 7. However it doesn't appear to work in Internet Explorer 9 at least.
index.html
<!doctype html>
<html lang="en...