大约有 42,000 项符合查询结果(耗时:0.0307秒) [XML]
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...
“’” 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...
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.
...
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...
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
...
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?...
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...
Auto increment in phpmyadmin
I have an existing database using PHP, MySQL and phpMyAdmin.
9 Answers
9
...
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...
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...
