大约有 42,000 项符合查询结果(耗时:0.0226秒) [XML]

https://bbs.tsingfun.com/thread-956-1-1.html 

mysql blob大小配置介绍 - 爬虫/数据库 - 清泛IT社区,为创新赋能!

...理器(如数据库管理器)不去理会文件是什么,而是关心如何去处理它。但也有专家强调,这种处理大数据对象的方法是把双刃剑,它有可能引发一些问题,如存储的二进制文件过大,会使数据库的性能下降。在数据库中存放体...
https://stackoverflow.com/ques... 

Can't connect to MySQL server error 111 [closed]

I installed mysql server on linux box IP = 192.168.1.100 but when i try to connect to this IP it alway error(111). but use localhost and 127.0.0.1 is OK. ...
https://stackoverflow.com/ques... 

How to test which port MySQL is running on and whether it can be connected to?

I have installed MySQL and even logged in there as a user. 13 Answers 13 ...
https://stackoverflow.com/ques... 

Equals(=) vs. LIKE

... operators produce obviously different results. Allow me to quote from the MySQL manual: Per the SQL standard, LIKE performs matching on a per-character basis, thus it can produce results different from the = comparison operator: mysql> SELECT 'ä' LIKE 'ae' COLLATE latin1_german2_ci; +----...
https://bbs.tsingfun.com/thread-1595-1-1.html 

App Inventor 2 多用户预订系统如何设计? - App Inventor 2 中文网 - 清泛...

问:我遇到了一个难题,我开发了一个软件,两个手机都安装了同一个软件,我在一个手机上显示按钮已经不能启用,但在另一个手机上该按钮确还能用,我的目标是这个跟酒店房间一样,当某个房间有人订了,其他人就不能订...
https://stackoverflow.com/ques... 

Can I restore a single table from a full mysql mysqldump file?

I have a mysqldump backup of my mysql database consisting of all of our tables which is about 440 megs. I want to restore the contents of just one of the tables from the mysqldump. Is this possible? Theoretically, I could just cut out the section that rebuilds the table I want but I don't even know ...
https://www.tsingfun.com/it/opensource/630.html 

win7 安装项目管理工具redmine2.5.1 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...用的是以下的版本: redmine-2.5.1.zip railsinstaller-2.2.2.exe mysql-installer-community-5.6.17.0.msi ImageMagick-6.8.9-2-Q16-x86-dll.exe mysql2-0.3.16.gem mysql-connector-c-6.1.3-win32.zip rmagick-2.13.1-x86-mingw32.gem windows下建议全部下载32位版本的软件,windows...
https://www.tsingfun.com/it/te... 

JAVA敏捷开发环境搭建 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...前面介绍了创业型软件公司的工作模式,这里详细介绍下如何实施,第一步是先要搭建环境,有了环境才能开展工作。整个软件项目分为四个环境 ...前面介绍了创业型软件公司的工作模式,这里详细介绍下如何实施,第一步是...
https://www.tsingfun.com/it/tech/1062.html 

笨法玩电商网站秒杀 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...锁检测虽然可以提升一定的性能,但这顶多是治标而已,如何治本?淘宝给出来两个改进方法: 请求排队:如果请求一股脑的涌入数据库,势必会由于争抢资源造成性能下降,通过排队,让请求从混沌到有序,从而避免数据...
https://stackoverflow.com/ques... 

Setting Django up to use MySQL

... MySQL support is simple to add. In your DATABASES dictionary, you will have an entry like this: DATABASES = { 'default': { 'ENGINE': 'django.db.backends.mysql', 'NAME': 'DB_NAME', 'USER': 'DB_USE...