大约有 30,000 项符合查询结果（耗时：0.0708秒） [XML]
jQuery Tips and Tricks
...nt and keeping a reference
var newDiv = $("<div />");
newDiv.attr("id", "myNewDiv").appendTo("body");
/* Now whenever I want to append the new div I created,
I can just reference it from the "newDiv" variable */
Checking if an element exists
if ($("#someDiv").length)
{
// It exi...
filtering NSArray into a new NSArray in Objective-C
...cts from the original array that meet certain criteria. The criteria is decided by a function that returns a BOOL .
9 Answ...
mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }
...
To avoid typing rs.slaveOk() every time, do this:
Create a file named replStart.js, containing one line: rs.slaveOk()
Then include --shell replStart.js when you launch the Mongo shell. Of course, if you're connecting locally to a single instance, this doesn't save any typing.
...
What's the difference between HEAD^ and HEAD~ in Git?
.../usr/bin/env perl
use strict;
use warnings;
use subs qw/ postorder /;
use File::Temp qw/ mkdtemp /;
my %sha1;
my %parents = (
A => [ qw/ B C / ],
B => [ qw/ D E F / ],
C => [ qw/ F / ],
D => [ qw/ G H / ],
F => [ qw/ ...
Regex Match all characters between two strings
...import java.util.regex.Pattern;
node{
stage("parse"){
def file = readFile 'build.log'
def regex = ~"(?s)(firstStringToUse(.*)secondStringToUse)"
Matcher match = regex.matcher(file)
match.find() {
capturedText = match.group(1)
error(ca...
Easy way to prevent Heroku idling?
In the Heroku free apps the dynos seem to keep idling - my app has very low traffic but it's also not really acceptable in my case that my users have to wait 20+ seconds to spin up a new dyno.
...
How to develop and test an app that sends emails (without filling someone's mailbox with test data)?
...p.config or Web.config. When you send a message now it will be stored as a file in the directory you provided as "pickupDirectoryLocation". Works like a charm.
share
|
improve this answer
|...
Retrieve specific commit from a remote Git repository
....sh:
git fetch --depth=1 ../testrepo/.git $SHA1
You can use the git cat-file command to see that the commit has been fetched:
git cat-file commit $SHA1
"git upload-pack" that serves "git fetch" can be told to serve
commits that are not at the tip of any ref, as long as they are
reachabl...
How to align input forms in HTML
...fied that input elements contained within are to be 100% of the container width and not have any elements on either side.
.container {
width: 500px;
clear: both;
}
.container input {
width: 100%;
clear: both;
}
<html>
<head>
<title>Example form</titl...
jQuery - Detect value change on hidden input field
I have a hidden text field whose value gets updated via an AJAX response.
8 Answers
8
...