大约有 15,480 项符合查询结果（耗时：0.0360秒） [XML]
Why is require_once so bad to use?
...t to your code if you're running *_once thousands of times.
<?php // test.php
$LIMIT = 1000000;
$start = microtime(true);
for ($i=0; $i<$LIMIT; $i++)
if (!defined('include.php')) {
require('include.php');
define('include.php', 1);
}
$mid = microtime(true);
for (...
How can I see the request headers made by curl when sending a request to the server?
...prefixed with '>') without having to write to a file:
$ curl -v -I -H "Testing: Test header so you see this works" http://stackoverflow.com/
* About to connect() to stackoverflow.com port 80 (#0)
* Trying 69.59.196.211... connected
* Connected to stackoverflow.com (69.59.196.211) port 80 (#0)
...
Inserting multiple rows in mysql
...
BEGIN;
INSERT INTO test_b (price_sum)
SELECT price
FROM test_a;
INSERT INTO test_c (price_summ)
SELECT price
FROM test_a;
COMMIT;
share
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How are echo and print different in PHP? [duplicate]
...
you can echo(print('test')) but you cannot print(echo('test'))
– vdegenne
Jul 22 '16 at 20:13
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Update Git branches from master
...the commits E', F', and G' never truly existed, and have likely never been tested. They may not even compile. It is actually quite easy to create nonsensical commits via a rebase, especially when the changes in master are important to the development in b1.
The consequence of this may be, that you ...
Get notified when UITableView has finished asking for data?
...the main thread will gets finish and so it will dispatch our method block
Tested in iOS7 and iOS8 and it works awesome;)
Update for iOS9: This just works fine is iOS9 also. I have created a sample project in github as a POC.
https://github.com/ipraba/TableReloadingNotifier
I am attaching the scre...
Install Application programmatically on Android
...
@android developer: I can't test this, at the moment, but on targetSdkVersion >= 24, the following applies: stackoverflow.com/questions/38200282/… so you have to use FileProvider.
– Lie Ryan
Nov 26 '16 at 10:0...
How to Convert JSON object to Custom C# object?
...ple 1: using System.Web.Script.Serialization
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Web.Script.Serialization;
namespace Tests
{
[TestClass]
public class JsonTests
{
[TestMethod]
public void Test()
{
var json = "{\"user\":{\"...
Hidden Features of C#? [closed]
...
A quick profile test shows that dummy-subscribed event handler without null test takes roughly 2x the time of unsubscribed event handler with null test. Multicast event handler without null test takes about 3.5x the time of singlecast event...
How to set breakpoints in inline Javascript in Google Chrome?
...ally script inside html returned by ajax, is to temporary put console.log("test") inside the script.
Once you have fired the event, open up the console tab inside the developer tools.
you will see the source file link shown up at the right side of the "test" debug print statement. just click on t...