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Why should casting be avoided? [closed]
I generally avoid casting types as much as possible since I am under the impression that it's poor coding practice and may incur a performance penalty.
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What are the most common SQL anti-patterns? [closed]
All of us who work with relational databases have learned (or are learning) that SQL is different. Eliciting the desired results, and doing so efficiently, involves a tedious process partly characterized by learning unfamiliar paradigms, and finding out that some of our most familiar programming p...
How do you connect to multiple MySQL databases on a single webpage?
I have information spread out across a few databases and want to put all the information onto one webpage using PHP. I was wondering how I can connect to multiple databases on a single PHP webpage.
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How may I reference the script tag that loaded the currently-executing script?
...synchronous scripts (defer & async)
Works with scripts inserted dynamically
Problems
Will not work in older browsers and IE.
Does not work with modules <script type="module">
2. Select script by id
Giving the script an id attribute will let you easily select it by id from within usi...
Significant new inventions in computing since 1980
... +1 for the most obvious but also the most easily forgotten because we all take it for granted :)
– PolyThinker
Jan 11 '09 at 15:22
20
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Error on renaming database in SQL Server 2008 R2
... is WITH ROLLBACK IMMEDIATE necessary. If I don't use it at all, will it cause problems?
– user13892
Sep 6 '19 at 17:53
1
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Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升
...g，其配置大致如下所示：
shell> cat /etc/syslog.conf
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
# kern.* /dev/console
# Log anything (except mail) of level info or higher.
# Don't log private authentication messages!
*.info;mail.none;...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升
...g，其配置大致如下所示：
shell> cat /etc/syslog.conf
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
# kern.* /dev/console
# Log anything (except mail) of level info or higher.
# Don't log private authentication messages!
*.info;mail.none;...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升
...g，其配置大致如下所示：
shell> cat /etc/syslog.conf
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
# kern.* /dev/console
# Log anything (except mail) of level info or higher.
# Don't log private authentication messages!
*.info;mail.none;...
Linux日志管理Rsyslog入门 - C/C++ - 清泛网移动版 - 专注IT技能提升
...g，其配置大致如下所示：
shell> cat /etc/syslog.conf
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
# kern.* /dev/console
# Log anything (except mail) of level info or higher.
# Don't log private authentication messages!
*.info;mail.none;...