大约有 49,000 项符合查询结果（耗时：0.0342秒） [XML]
How to check if a string is a valid hex color representation?
...teger from 0 to 9 and any letter from A to F
{6} -> the previous group appears exactly 6 times
$ -> match end
i -> ignore case
If you need support for 3-character HEX codes, use the following:
/^#([0-9A-F]{3}){1,2}$/i.test('#ABC')
The only difference here is th...
How can I wait for set of asynchronous callback functions?
...s $.ajax() already returns a promise and $.when() will let you know when a group of promises are all resolved and will collect the return results for you:
var promises = [];
for (var i = 0; i < 10; i++) {
promises.push($.ajax(...));
}
$.when.apply($, promises).then(function() {
// return...
ExecutorService, how to wait for all tasks to finish
...swer to the question is invokeAll(); but @seh has it right when submitting groups of jobs to the ES and waiting for them to complete... --JA
– andersoj
Jul 23 '10 at 4:12
...
How to put more than 1000 values into an Oracle IN clause [duplicate]
...
This is absolutely dumb, if you have some kind of grouping operators it totally changes the meaning of the query.
– Teejay
Mar 9 at 9:31
add a comment...
How can I add or update a query string parameter?
...
getting a "invalid regular exception / invalid group" exception on regex creation in chrome Version 31.0.1650.63, solved by returning the beginning to be "([?&])"
– Yonatan Karni
Jan 15 '14 at 11:55
...
Using socket.io in Express 4 and express-generator's /bin/www
...
A little different approach to initiate socket.io, it groups all related code in one place:
bin/www
/**
* Socket.io
*/
var socketApi = require('../socketApi');
var io = socketApi.io;
io.attach(server);
socketApi.js
var socket_io = require('socket.io');
var io = socket_io(...
Find unused npm packages in package.json
...es.
First it cats the package.json. Then, jq gets the required dependency group. ({} + is there so that it won't throw an error if e.g. there are no peer dependencies in the file.)
After that, sed extracts the parts between the quotes, the package name. -n and .../p tells it to print the matching...
Angular.js directive dynamic templateURL
...e>
<div ng-repeat="item in elements" class="form-group">
<label>{{item.Label}}</label>
<element type="{{item.Type}}" model="item"></element>
</div>
<i...
How do I create a URL shortener?
...er one form better than others (think phone numbers, where the numbers are grouped in a specific form). Try something like num-char-char-num-char-char. I know this will lower the combinations, especially if you don't have upper and lower case, but it would be more usable and therefore useful.
...
What happened to console.log in IE8?
... dir: trap,
dirxml: trap,
trace: trap,
group: trap,
groupCollapsed: trap,
groupEnd: trap,
time: trap,
timeEnd: trap,
timeStamp: trap,
profile: trap,
profileEnd: trap,
c...