大约有 47,000 项符合查询结果（耗时：0.0842秒） [XML]
Is there a way that I can check if a data attribute exists?
...
300
if ($("#dataTable").data('timer')) {
...
}
NOTE this only returns true if the data attribut...
android on Text Change Listener
... the text in the field is not empty (i.e when the length is different than 0).
field1.addTextChangedListener(new TextWatcher() {
@Override
public void afterTextChanged(Editable s) {}
@Override
public void beforeTextChanged(CharSequence s, int start,
int count, int after) {
...
Concat scripts in order with Gulp
...
answered Feb 22 '14 at 22:05
Chad JohnsonChad Johnson
18.3k2929 gold badges9595 silver badges184184 bronze badges
...
FFMPEG (libx264) “height not divisible by 2”
...s:
-vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Command:
ffmpeg -r 24 -i frame_%05d.jpg -vcodec libx264 -y -an video.mp4 -vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Basically, .h264 needs even dimensions so this filter will:
Divide the original height and width by 2
Round it up to the nearest pixel
Multiply ...
How to determine one year from now in Javascript
...FullYear() instead of getYear(). getYear() returns the actual year minus 1900 (and so is fairly useless).
Thus a date marking exactly one year from the present moment would be:
var oneYearFromNow = new Date();
oneYearFromNow.setFullYear(oneYearFromNow.getFullYear() + 1);
Note that the date will ...
Return array in a function
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206
In this case, your array variable arr can actually also be treated as a pointer to the beginnin...
How to determine if Javascript array contains an object with an attribute that equals a given value?
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280
2018 edit: This answer is from 2011, before browsers had widely supported array filtering method...
Fill remaining vertical space with CSS using display:flex
...: DEMO
section {
display: flex;
flex-flow: column;
height: 300px;
}
header {
background: tomato;
/* no flex rules, it will grow */
}
div {
flex: 1; /* 1 and it will fill whole space left if no flex value are set to other children*/
background: gold;
overflow: a...
Way to go from recursion to iteration
... |
edited Jul 8 at 0:23
Christian
2,81711 gold badge1414 silver badges2828 bronze badges
answered...
Bootstrap: How do I identify the Bootstrap version?
...ld have comments like the below:
/*!
* Bootstrap v2.3.1
*
* Copyright 2012 Twitter, Inc
* Licensed under the Apache License v2.0
* http://www.apache.org/licenses/LICENSE-2.0
*
* Designed and built with all the love in the world @twitter by @mdo and @fat.
*/
If they are not there, then the...