大约有 7,000 项符合查询结果（耗时：0.0147秒） [XML]
jQuery first child of “this”
...pproaches to get the first child (total 1000+ children)
given, notif = $('#foo')
jQuery ways:
$(":first-child", notif) - 4,304 ops/sec - fastest
notif.children(":first") - 653 ops/sec - 85% slower
notif.children()[0] - 1,416 ops/sec - 67% slower
Native ways:
JavaScript native' ele.firstChild - 4,...
req.body empty on posts
...-parser package will parse multi-line raw JSON payloads just fine.
{
"foo": "bar"
}
Tested in Chrome v37 and v41 with the Postman v0.8.4.13 extension (body-parser v1.12.2 and express v4.12.3) with the setup below:
var express = require('express');
var app = express();
var bodyParser = requir...
MySQL and GROUP_CONCAT() maximum length
...
INSERT INTO `some_table` (field1, field2, field3) VALUES
(1, 'text one', 'foo'),
(2, 'text two', 'bar'),
(3, 'text three', 'data'),
(4, 'text four', 'magic');
This query is a bit strange but it does not need another query to initialize the variable; and it can be embedded in a more complex query....
SVN 405 Method Not Allowed
...had to check the folder out in a separate folder (or rather, I renamed it "foo" and svn up'd and got it back, including the "deleted" folder, despite my successful commit of deleting it.)
– Kalle
Mar 28 '12 at 22:22
...
Show hide fragment in android
... (savedInstanceState == null) {
fragmentA = FragmentA.newInstance("foo");
fragmentB = FragmentB.newInstance("bar");
fragmentC = FragmentC.newInstance("baz");
}
}
// Replace the switch method
protected void displayFragmentA() {
FragmentTransaction ft = getSupportFrag...
Read values into a shell variable from a pipe
...
Use
IFS= read var << EOF
$(foo)
EOF
You can trick read into accepting from a pipe like this:
echo "hello world" | { read test; echo test=$test; }
or even write a function like this:
read_from_pipe() { read "$@" <&0; }
But there's no poin...
How do I specify a password to 'psql' non-interactively?
... PGPASSWORD=xxxx psql -U username -d database -w -c "select * from foo;" works.
– Steve Shipway
Feb 20 at 4:19
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How to show the last queries executed on MySQL?
...ult in this way, but parameters are present by question mark, e.g., select foo from bar where x=?. How can I get the complete query?
– petertc
Nov 4 '15 at 5:52
...
Repeat Character N Times
...ly your conditional:
for(var word = ''; word.length < 10 * 3; word += 'foo'){}
NOTE: You do not have to overshoot by 1 as with word = Array(11).join('a')
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How to asynchronously call a method in Java
...ou can use @Async annotation from jcabi-aspects and AspectJ:
public class Foo {
@Async
public void save() {
// to be executed in the background
}
}
When you call save(), a new thread starts and executes its body. Your main thread continues without waiting for the result of save().
...