大约有 40,000 项符合查询结果(耗时:0.0466秒) [XML]

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How to merge YAML arrays?

...now which nested sequences to flatten (i.e. by knowing the "path" from the root of the loaded data structure to the parent sequence), or that you recursively walk the loaded data structure searching for nested arrays/lists and indiscriminately flatten all of them. A better solution IMO would be to ...
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Simplest PHP example for retrieving user_timeline with Twitter API version 1.1

...imple way of doing it. You write your twitter data to a file, or database (MySQL or MongoDB) on first request, then every subsequent request you check current time against the time limit you want for the file (you could name the file as the time limit), and if the file exists and file name is within...
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Is there already a Google+ API? [closed]

... code to read a public profile, post, and relationship data, cache it in a MySQL database, and serve the data to a front-end as a JSON or JSONP service. share | improve this answer | ...
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CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]

CREATE TABLE IF NOT EXISTS works on mysql but fails with SQL Server 2008 R2. What is the equivalent syntax? 1 Answer ...
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Difference between datetime and timestamp in sqlserver? [duplicate]

... by database system?im sorry im new to server side programming. i am using mysql sa database and now i am using xampp as my local host. – Brownman Revival May 19 '15 at 6:32 ...
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千万别惹程序员 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术

...一些精细的调优工作,明显不行。这和Ruby很像。 PHP没有MySQL,明显是被幽默了一把。不过最近对PHP的批评越来越多,不过,facebook的PHP的引擎HiPo已经很牛B了。 Perl是一本日本武士刀,是忍者玩的语言。 VB,就是一个玩具。你...
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记一次数据库表自增长(Auto Increment)故障 - 数据库(内核) - 清泛网 - ...

...EMENT = 123; 此方法无疑能够达到目的,但有一个缺点:在 MySQL 中,当 ALTER 一个表时,实际上相当于重新创建了一次表!如果原本数据就很大的话,这个过程将非常缓慢。 让我们再来考虑考虑其它方法,既然问题出在唯一标识的...
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PHP操作MongoDB时的整数问题及对策 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...需要Map和Reduce两步即可,这里有一个PDF文档生动的说明了MySQL中GROUP BY和MongoDB中MapReduce的对应关系: SQL to MongoDB 此外,还有很多资料可供参考,如:MongoDB Aggregation III: Map-Reduce Basics。 说明:软件版本为MongoDB 1.6.5,PECL Mongo 1...
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【解决】linux apache2 php7 不解析php文件的几种可能 - 更多技术 - 清泛网...

...php文件,如果还是不行请尝试: sudo apt-get install php7.0-mysql systemctl restart apache2 3、如果还是不行,请检查一下测试用的php文件是否编写正确: <?php phpinfo(); ?> ----End----linux apache2 php7
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Oracle取前N条记录方法 Oracle实现SELECT TOP N的方法 - 爬虫/数据库 - 清...

select * from ( select * from tablexxx order by xxx desc ) where rownum &lt;= N oracle数据库不支持mysql中limit, top功能,但可以通过rownum来限制返回的结果集的行数,rownum并不是用户添加的字段,而是oracle系统自动添加的。