大约有 47,000 项符合查询结果（耗时：0.0920秒） [XML]
if, elif, else statement issues in Bash
...
460
There is a space missing between elif and [:
elif[ "$seconds" -gt 0 ]
should be
elif [ "$sec...
delete_all vs destroy_all?
...
80
It should also be noted that 1) Callbacks are not called when using delete_all, and 2) destroy_all instantiates all the records and destroys...
List comprehension vs map
... map when using exactly the same function:
$ python -mtimeit -s'xs=range(10)' 'map(hex, xs)'
100000 loops, best of 3: 4.86 usec per loop
$ python -mtimeit -s'xs=range(10)' '[hex(x) for x in xs]'
100000 loops, best of 3: 5.58 usec per loop
An example of how performance comparison gets completely r...
CSS Box Shadow Bottom Only [duplicate]
...
Do this:
box-shadow: 0 4px 2px -2px gray;
It's actually much simpler, whatever you set the blur to (3rd value), set the spread (4th value) to the negative of it.
share
...
C++ new int[0] — will it allocate memory?
...
answered Jul 6 '09 at 13:46
Faisal ValiFaisal Vali
28.6k88 gold badges3939 silver badges4444 bronze badges
...
How do you validate a URL with a regular expression in Python?
...
answered May 6 '09 at 1:09
S.LottS.Lott
349k7373 gold badges478478 silver badges750750 bronze badges
...
How to check if field is null or empty in MySQL?
...
|
edited Mar 30 '18 at 5:18
answered Jul 24 '13 at 11:39
...
How do I view the list of functions a Linux shared library is exporting?
...
320
What you need is nm and its -D option:
$ nm -D /usr/lib/libopenal.so.1
.
.
.
00012ea0 T alcSetT...
How do I call an Angular.js filter with multiple arguments?
...a template to censor out all digits:
<p>{{ myText | regexReplace: '[0-9]':'X' }}</p>
share
|
improve this answer
|
follow
|
...
How to use split?
...= 'something -- something_else';
var substr = str.split(' -- ');
// substr[0] contains "something"
// substr[1] contains "something_else"
If this value is in some field you could also do:
tRow.append($('<td>').text($('[id$=txtEntry2]').val().split(' -- ')[0])));
...