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What is the difference between a schema and a table and a database?
...tabase Management System) is the software (like MySQL, SQL Server, Oracle, etc) that manages and runs a database.
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Unicode Processing in C++
...icode library for mundane tasks like string length, capitalization status, etc. Never use standard library builtins like is_alpha unless that is the definition you want.
I can't say it enough: never iterate over the indices of a string if you care about correctness, always use your unicode library f...
How do I simulate a low bandwidth, high latency environment?
...t IP connection, you could (for example) do the following:
Create a file /etc/rc.firewall.56k which contains the following:
ipfw add pipe 1 ip from any to any out
ipfw add pipe 2 ip from any to any in
ipfw pipe 1 config bw 56Kbit/s
ipfw pipe 2 config bw 56Kbit/s
And change /etc/rc.conf......
Run a Java Application as a Service on Linux
...-based distros, like debian itself and ubuntu, you can add that script to /etc/init.d. Then you can invoke it like this: /etc/init.d/MyService start. And you can make it start automatically by running update-rc.d MyService defaults .
– Andre
Jan 26 '16 at 14:15...
Why have header files and .cpp files? [closed]
...hingElse(); // Defined in B.CPP
}
// B.CPP
void doSomethingElse()
{
// Etc.
}
It won't compile because A.CPP has no way to know "doSomethingElse" exists... Unless there is a declaration in A.CPP, like:
// A.CPP
void doSomethingElse() ; // From B.CPP
void doSomething()
{
doSomethingElse() ...
How to change the default encoding to UTF-8 for Apache?
... this answer is from 2009: in Ubuntu 18, you change this configuration in /etc/apache2/conf-available/charset.conf
– WoodrowShigeru
Jun 11 '19 at 12:51
...
git ignore vim temporary files
... Vim will create successively named swap files (.swp, .swo, etc.), so I use .*.sw* in my .gitignore to hide them all.
– Drew Stephens
May 20 '11 at 1:15
33
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Solving a “communications link failure” with JDBC and MySQL [duplicate]
...change the MySQL settings, you can refer to the following files:
Linux: /etc/mysql/my.cnf or /etc/my.cnf (depending on the Linux distribution and MySQL package used)
Windows: C:**ProgramData**\MySQL\MySQL Server 5.6\my.ini (Notice it's ProgramData, not Program Files)
Here are the solutions:
ch...
CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛，有思想、有深度
... 123456 //设置MySQL密码
#cp support-files/my-medium.cnf /etc/my.cnf
#echo "/usr/local/mysql/bin/mysqld_safe &" >>/etc/rc.local
二、安装PCRE
PCRE是perl所用到的正则表达式，目的是让所装的软件支...
What Computer Science concepts should I know? [closed]
...
Basic programming (including recursion, file I/O, formatted output, loops etc)
Object oriented design (including design patterns etc). You should be able to produce sensible OO designs as well as understanding the concepts.
Scripting and regexes.
Data structures -- lists, sets, hashtables, trees, g...