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Hidden features of Python [closed]
... @SiegeX without the lambda, f.read(1) would be evaluated (returning a string) before being passed to the iter function. Instead, the lambda creates an anonymous function and passes that to iter.
– jmilloy
Dec 31 '11 at 16:43
...
Get the previous month's first and last day dates in c#
...An approach using extension methods:
class Program
{
static void Main(string[] args)
{
DateTime t = DateTime.Now;
DateTime p = t.PreviousMonthFirstDay();
Console.WriteLine( p.ToShortDateString() );
p = t.PreviousMonthLastDay();
Console.WriteLine( p....
Differences between contentType and dataType in jQuery ajax function
...ntType (default: 'application/x-www-form-urlencoded; charset=UTF-8')
Type: String
When sending data to the server, use this content type. Default is "application/x-www-form-urlencoded; charset=UTF-8", which is fine for most cases. If you explicitly pass in a content-type to $.ajax(), then it'll alwa...
gcc warning" 'will be initialized after'
...
Just put the string ` SYSTEM` at the end of the include_directories line.
– Drew Noakes
Feb 12 '16 at 15:20
add a...
Perform an action in every sub-directory using Bash
... # your processing here
fi
done
Or, if your action is a single command, this is more concise:
for D in *; do [ -d "${D}" ] && my_command; done
Or an even more concise version (thanks @enzotib). Note that in this version each value of D will have a trailing slash:
for D in */; do ...
Will console.log reduce JavaScript execution performance?
...ed) logging-off x 56,058,330 ops/sec ±2.87% (56 runs sampled) logging-off-stringify x 1,812,379 ops/sec ±3.50% (58 runs sampled) log-nothing x 59,509,998 ops/sec ±2.63% (59 runs sampled)
– casey
Apr 6 '16 at 23:27
...
Best JavaScript compressor [closed]
...r (output even larger than original) - it converts non-ascii characters in strings to \uxxxx literals by default.. use e.g. --charset UTF-8 (if you're sure you let the browser know about it somehow)
– mykhal
Feb 15 '12 at 9:35
...
Chai: how to test for undefined with 'should' syntax
...
typeof operator returns a string; so this assertion could not be passed; cuz 'undefined' !== undefined
– dNitro
Sep 29 '17 at 9:02
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Generating random number between 1 and 10 in Bash Shell Script [duplicate]
...
@ebi echo just prints the string (variable substitution happens before the command is processed, so $RANDOM is already replaced with an integer by that point), bc is what actually evaluates it when the | redirects the stdout from the echo into the std...
When does System.gc() do something?
...ndon a large collection containing loads of smaller collections--a
Map<String,<LinkedList>> for instance--and you want to try and take the perf hit then and there, but for the most part, you shouldn't worry about it. The GC knows better than you--sadly--most of the time.
...