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PHP常用API函数用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...s, strripos, implode, strrpos PHP explode() 函数 把字符串按照指定分隔符分割为数组。 例子: <?php $url = "https://www.tsingfun.com/index.php?m=content&c=content&a=edit&catid=37&id=289&pc_hash=c6svGs"; $params = explode('&', $url); print_r($params); ?> 结果: ...
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Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)

I would like an efficient utility to generate unique sequences of bytes. UUID is a good candidate but UUID.randomUUID().toString() generates stuff like 44e128a5-ac7a-4c9a-be4c-224b6bf81b20 which is good, but I would prefer dash-less string. ...
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如何编写一个独立 PHP 扩展(译) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...任何外部库(这点很重要,因为这样用户就不需要特别指定一些编译选项了)。 LTLIBRARY_SOURCES 选项用于指定资源文件名字,你可以有任意数量资源文件。 注:上面说是 Makefile.in 文件中配置选项,可以参考 xdebug。 ...
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Linux chmod命令用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...,默认是a(所有用户)。只能选择一个opcode(操作码)。可指定多个mode,以逗号分开。 options: -c,--changes 只输出被改变文件信息 -f,--silent,--quiet 当chmod不能改变文件模式时,不通知文件用户 --help 输出帮助信...
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When are you truly forced to use UUID as part of the design?

I don't really see the point of UUID . I know the probability of a collision is effectively nil , but effectively nil is not even close to impossible. ...
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Example of UUID generation using Boost in C++

I want to generate just random UUID's, as it is just important for instances in my program to have unique identifiers. I looked into Boost UUID , but I can't manage to generate the UUID because I don't understand which class and method to use. ...
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Is there a method to generate a UUID with go language

...urns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though. If you are on linux, you can alternatively call /usr/bin/uuidgen. package main import ( "fmt" "log" "os/exec" ) func main...
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oracle:完整剖析PL/SQL DEVELOPER与SQL PLUS字符集设置 - 数据库(内核) - ...

...内容 1.4 ORACLE数据库字符设置 该值是在创建数据库时指定 1.5 PL/SQL DEVELOPER菜单中TOOLS中首选项'unicode support' 该选项说明是: Unicode enabled. When selected, Unicode data will be fetched as such from the Oracle Server, and displayed as Unicode ...
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Generating a UUID in Postgres for Insert statement?

My question is rather simple. I'm aware of the concept of a UUID and I want to generate one to refer to each 'item' from a 'store' in my DB with. Seems reasonable right? ...
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How unique is UUID?

How safe is it to use UUID to uniquely identify something (I'm using it for files uploaded to the server)? As I understand it, it is based off random numbers. However, it seems to me that given enough time, it would eventually repeat it self, just by pure chance. Is there a better system or a patter...