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What characters are allowed in an email address?
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+100
See RFC 5322: Internet Message Format and, to a lesser extent, RFC 5321: Simple Mail Transfer Protocol.
RFC 822 also covers email ad...
How to kill a process on a port on ubuntu
...You want to use backtick not regular tick:
sudo kill -9 `sudo lsof -t -i:9001`
If that doesn't work you could also use $() for command interpolation:
sudo kill -9 $(sudo lsof -t -i:9001)
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Best design for a changelog / auditing database table? [closed]
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70
In the project I'm working on, audit log also started from the very minimalistic design, like th...
Why doesn't Dijkstra's algorithm work for negative weight edges?
... A
/ \
/ \
/ \
5 2
/ \
B--(-10)-->C
V={A,B,C} ; E = {(A,C,2), (A,B,5), (B,C,-10)}
Dijkstra from A will first develop C, and will later fail to find A->B->C
EDIT a bit deeper explanation:
Note that this is important, because in each relaxa...
How to force a web browser NOT to cache images
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answered Sep 24 '08 at 12:27
epochwolfepochwolf
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R cannot be resolved - Android error
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108 Answers
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Why am I not getting a java.util.ConcurrentModificationException in this example?
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10 Answers
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎...
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SQLite 拓展
1.3版本更新（2025/09/24）
1.2版本更新（2025/09/15）
中文网测试案例
打开数据库
数据库信息
创建数据表
数据表信息
插入数据
更新数据
删除...
How can I remove the string “\n” from within a Ruby string?
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edited Jul 30 '12 at 0:19
answered Nov 16 '10 at 2:53
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How to output something in PowerShell
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200
Simply outputting something is PowerShell is a thing of beauty - and one its greatest strengths...