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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...如下：
socket_server.php
<?php
/**
* SocketServer Class
* By James.Huang <shagoo#gmail.com>
**/
set_time_limit(0);
class SocketServer
{
private static $socket;
function SocketServer($port)
{
global $errno, $errstr;
if ($port < 1...
How to set initial value and auto increment in MySQL?
...
Heh, time passes by... Sure, define it in CREATE TABLE if you are able to do that. The second "ALTER TABLE" part of answer implies that you have already created a table, and it is probably already deployed somewhere without proper index, whic...
Split column at delimiter in data frame [duplicate]
...andle the situations where there are different numbers of values separated by '|'. Of course, one has to deal with the result of rbind which may recycle for those rows with fewer elements. But the other solution would fail for such case.
– Yu Shen
Apr 17 '15 at...
Is it possible to rename a maven jar-with-dependencies?
...big daft name.
As a workaround, you can copy the assembly descriptor used by the jar-with-dependencies descriptor and modify the id.
This example would result in the assembly id being appended to the finalName, so if you need to have a name of region-full.jar, you can specify the finalName as regi...
MongoDB数据导出导入工具：mongoexport,mongoimport - 大数据 & AI - 清泛...
...t hostname:port
--ipv6 enable IPv6 support (disabled by default)
-u [ --username ] arg username
-p [ --password ] arg password
--dbpath arg directly access mongod database files in the given
path, instead of connecting ...
How to Customize a Progress Bar In Android
... ProgressBar here in this example. I've achieved
this using ClipDrawable by clipping image with Animation.
A Drawable that clips another Drawable based on this Drawable's current level value. You can control how much the child Drawable gets clipped in width and height based on the level, as well...
Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF
...wer, but on the other hand, someone have set the column to be incrementing by itself up on insert. In that case the table will keep track of the next free number, and you do not need to generate the OperationID by yourself. The new id can be fetched by SELECT SCOPE_IDENTITY().
–...
“Insert if not exists” statement in SQLite
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Calling a Fragment method from a parent Activity
...roid Fragments Dev Guide that an "activity can call methods in a fragment by acquiring a reference to the Fragment from FragmentManager, using findFragmentById() or findFragmentByTag() ."
...
Handling a colon in an element ID in a CSS selector [duplicate]
...ession and my answer for more information.
– Mathias Bynens
Jul 6 '11 at 5:32
2
I just encountere...