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Python argparse: Make at least one argument required
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args = vars(parser.parse_args())
if not any(args.values()):
parser.error('No arguments provided.')
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Python division
...t:
>>> float(10 - 20) / (100 - 10)
-0.1111111111111111
or from __future__ import division, which the forces / to adopt Python 3.x's behavior that always returns a float.
>>> from __future__ import division
>>> (10 - 20) / (100 - 10)
-0.1111111111111111
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When would anyone use a union? Is it a remnant from the C-only days?
...For example, let's say you want to create your own Variant type:
struct my_variant_t {
int type;
union {
char char_value;
short short_value;
int int_value;
long long_value;
float float_value;
double double_value;
void* ptr_value;
}...
Getting the names of all files in a directory with PHP
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166
Don't bother with open/readdir and use glob instead:
foreach(glob($log_directory.'/*.*') as $f...
Google maps API V3 - multiple markers on exact same spot
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116
Take a look at OverlappingMarkerSpiderfier.
There's a demo page, but they don't show markers whi...
HTML5 Local Storage fallback solutions [closed]
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56
I use PersistJS (github repository), which handles client-side storage seamlessly and transparen...
apt-get for Cygwin?
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edited Jan 29 '16 at 2:59
user229044♦
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How do I best silence a warning about unused variables?
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Alex BAlex B
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Python: fastest way to create a list of n lists
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Sven MarnachSven Marnach
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
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446
You probably have an anonymous user ''@'localhost' or ''@'127.0.0.1'.
As per the manual:
Wh...