大约有 42,000 项符合查询结果(耗时:0.0307秒) [XML]

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大数据:用数据指导APP运营 - 资讯 - 清泛网 - 专注C/C++及内核技术

...感觉在不知不觉中获得了提升,这一点,非常重要。 3 如何获取数据 获取数据的渠道有很多,而方式基本就是自己做和使用外部工具两种方式。 自己做的话,App可以选择“埋点”、log等方式,而Web可以通过log、日志与按钮埋...
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“’” showing on page instead of “ ' ”

... when you create it. You're most likely using SQL Server, but here is some MySQL code (copied from this article): CREATE DATABASE db_name CHARACTER SET utf8; CREATE TABLE tbl_name (...) CHARACTER SET utf8; If your table is however already UTF-8, then you need to take a step back. Who or what put th...
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SQL order string as number

I have numbers saved as VARCHAR to a MySQL database. I can not make them INT due to some other depending circumstances. ...
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How do I use a file grep comparison inside a bash if/else statement?

...error occurs and -q was not given, the exit status is 2. if grep --quiet MYSQL_ROLE=master /etc/aws/hosts.conf; then echo exists else echo not found fi You may want to use a more specific regex, such as ^MYSQL_ROLE=master$, to avoid that string in comments, names that merely start with "mast...
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SQL parser library for Java [closed]

...n. The structure is more complex than you might expect in order to support UNION, TABLE, VALUES, set operations, etc. You can create a visitor by extending AstVisitor or DefaultTraversalVisitor. Look at SqlFormatter for an example of how to walk the tree. – David Phillips ...
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Windows下 C++网络延时检测 - C/C++ - 清泛网 - 专注C/C++及内核技术

...低延时、负载较低的服务器节点。例如:那么这个功能是如何实现的呢?...一般需要连接服务器后端的软件都有服务器节点网络延迟的检测,帮助选择低延时、负载较低的服务器节点。例如: 那么这个功能是如何实现的呢?...
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中关村服务辐射百万创业者 - 资讯 - 清泛网 - 专注C/C++及内核技术

...间、人才、资本……成为拦在创业道路上的种种难题。 如何才能在日益变化的环境下更好地帮到创业者,成为摆在创业服务业面前的最大问题。6月25日,清控科创携手清华控股、北极光创投、完美时空、银杏天使、创业邦、盛...
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Auto increment in phpmyadmin

I have an existing database using PHP, MySQL and phpMyAdmin. 9 Answers 9 ...
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程序员羊皮卷下载版.pdf - 文档下载 - 清泛网 - 专注C/C++及内核技术

...己 5 安排一次真正的实习,了解社会 5 失败的实习生 6 如何找到适合的实习机会 7 实习成功的三有一无 8 开发人员实习应该这样 9 参加一个社团让自己融入团队 9 承担一份责任 10 感受项目经理的无奈 11 真正感受集体的意...
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How to change the name of a Django app?

...E <oldAppName>_modelName RENAME TO <newAppName>_modelName. For mysql too I think it is the same (as mentioned by @null_radix) (For Django >= 1.7) Update the django_migrations table to avoid having your previous migrations re-run: UPDATE django_migrations SET app='<NewAppName>' W...