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How can you profile a Python script?
Project Euler and other coding contests often have a maximum time to run or people boast of how fast their particular solution runs. With Python, sometimes the approaches are somewhat kludgey - i.e., adding timing code to __main__ .
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What's the magic of “-” (a dash) in command-line parameters?
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Why does writeObject throw java.io.NotSerializableException and how do I fix it?
I have this exception and I don't understand why it would be thrown or, how I should handle it.
3 Answers
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How to catch SQLServer timeout exceptions
I need to specifically catch SQL server timeout exceptions so that they can be handled differently. I know I could catch the SqlException and then check if the message string Contains "Timeout" but was wondering if there is a better way to do it?
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Do c++11 lambdas capture variables they don't use?
When I use [=] to indicate that I would like all local variables to be captured by value in a lambda, will that result in all local variables in the function being copied, or just all local variables that are used by the lambda ?
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How do I create 7-Zip archives with .NET?
How can I create 7-Zip archives from my C# console application? I need to be able to extract the archives using the regular, widely available 7-Zip program.
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How to see the CREATE VIEW code for a view in PostgreSQL?
Is there an easy way to see the code used to create a view using the PostgreSQL command-line client?
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9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...保旧规则被清除，用以下命令清除旧规则：
iptables -F
(or iptables --flush)
2.设置chain策略
对于filter table，默认的chain策略为ACCEPT，我们可以通过以下命令修改chain的策略：
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ...
Exception thrown inside catch block - will it be caught again?
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