大约有 40,000 项符合查询结果(耗时:0.0416秒) [XML]

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关于php的socket初探 - PHP - 清泛IT论坛,有思想、有深度

...塞的古老模型:属于同步阻塞 IO 模型,代码如下: socket_server.php <?php   /** * SocketServer Class * By James.Huang <shagoo#gmail.com> **/   set_time_limit(0);   class SocketServer    {       private stati...
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CSS 3 slide-in from left transition

...ss browser solution to produce a slide-in transition with CSS only, no javascript? Below is an example of the html content: ...
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Convert tuple to list and back

...t is the homogeneous multidimensional array. It is a table of elements (usually numbers), all of the same type, indexed by a tuple of positive integers. – pradyunsg Dec 4 '16 at 3:25 ...
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Create singleton using GCD's dispatch_once in Objective-C

...er here: instancetype + (instancetype)sharedInstance { static dispatch_once_t once; static id sharedInstance; dispatch_once(&once, ^ { sharedInstance = [self new]; }); return sharedInstance; } + (Class*)sharedInstance { static dispatch_once_t once; ...
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Git: How to remove file from index without deleting files from any repository

... Or, if the users already use some existing part of the repository (e.g. a script or some other program configured by content in the repository (e.g. Makefile or similar)) to launch/deploy your software, you could incorporate a defaulting mechanism into the launch/deploy process: test -f foo.conf |...
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List directory in Go

... of everything in the current directory (folders are included but not specially marked - you can check if an item is a folder by using the IsDir() method): package main import ( "fmt" "io/ioutil" "log" ) func main() { files, err := ioutil.ReadDir("./") if err != nil { ...
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Real world use cases of bitwise operators [closed]

...checksums, parity, stop bits, flow control algorithms, and so on, which usually depend on the logic values of individual bytes as opposed to numeric values, since the medium may only be capable of transmitting one bit at a time. Compression, Encryption Both of these are heavily dependent on bitwise ...
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PostgreSQL function for last inserted ID

... How can I use RETURNING id within an SQL script fed to the psql command line tool? – amoe Aug 4 '16 at 16:52  |  ...
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What's the difference between “ ” and “ ”?

... them out according to the conventions of the particular written language (script) and target medium. So foo bar is displayed as foo bar But no-break space is always displayed. So foo&‍nbsp;&‍nbsp;&‍nbsp;bar is displayed as foo bar ...
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Discard all and get clean copy of latest revision?

... didn't want to do any config changes just for this one-time command in my script! – joonas.fi Jun 16 '16 at 13:39  |  show 2 more comments ...