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Give all the permissions to a user on a DB
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284
The user needs access to the database, obviously:
GRANT CONNECT ON DATABASE my_db TO my_user;...
Why does my application spend 24% of its life doing a null check?
...e to the execution engine. Reading bytes from the L1 cache typically takes 2 or 3 CPU cycles. Next up is the L2 cache, bigger and slower. Upscale processors also have an L3 cache, bigger and slower yet. As process technology improves, those buffers take less space and automatically becomes faster as...
How to increase the vertical split window size in Vim
...ce this 30 char window is created, how would one change it's size to 31 or 29?
9 Answers
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Why does 0.ToString(“#.##”) return an empty string instead of 0.00 or at least 0?
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answered Jan 25 '12 at 11:03
Rich O'KellyRich O'Kelly
37.7k88 gold badges7575 silver badges107107 bronze badges
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Is it bad practice to have a constructor function return a Promise?
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202
Yes, it is a bad practise. A constructor should return an instance of its class, nothing else....
How do you do a limit query in JPQL or HQL?
...rnate forum a few years back when asked about why this worked in Hibernate 2 but not in Hibernate 3:
Limit was never a supported clause
in HQL. You are meant to use
setMaxResults().
So if it worked in Hibernate 2, it seems that was by coincidence, rather than by design. I think this was be...
PHP foreach change original array values
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270
In PHP, passing by reference (&) is ... controversial. I recommend not using it unless you...
OSGi, Java Modularity and Jigsaw
...raries or apps.
The JRE is a very difficult and special case. It is over 12 years old and is a frightful mess, riddled with dependency cycles and nonsensical dependencies. At the same time is is used by approximately 9 million developers and probably billions of running systems. Therefore you absol...
How to change the default charset of a MySQL table?
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203
If you want to change the table default character set and all character columns to a new char...
CentOS 6.4下Squid代理服务器的安装与配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...要的数据时：
1. 客户端向代理服务器发送数据请求；
2. 代理服务器检查自己的数据缓存；
3. 代理服务器在缓存中没有找到用户想要的数据；
4. 代理服务器向Internet 上的远端服务器发送数据请求；
5. 远端服务器响应，返回...