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requestFeature() must be called before adding content
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edited Apr 30 '15 at 8:49
Sankar V
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How to detect if my shell script is running through a pipe?
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In a pure POSIX shell,
if [ -t 1 ] ; then echo terminal; else echo "not a terminal"; fi
returns "terminal", because the output is sent to your terminal, whereas
(if [ -t 1 ] ; then echo terminal; else echo "not a terminal"; fi) | cat
returns "not a t...
腾讯Tencent开源框架介绍（持续更新） - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...b：https://github.com/Tencent
官网：https://opensource.tencent.com
1、Tars：https://github.com/TarsCloud/Tars
首先必推Tars框架，Tars 是将腾讯内部使用的微服务架构 TAF（Total Application Framework）多年的实践成果总结而成的开源项目，成熟度及稳定...
How to use double or single brackets, parentheses, curly braces
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In Bash, test and [ are shell builtins.
The double bracket, which is a shell keyword, enables ...
pull out p-values and r-squared from a linear regression
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How to find all links / pages on a website
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edited Sep 14 '16 at 14:39
Erik Humphrey
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answered S...
Parse date string and change format
I have a date string with the format 'Mon Feb 15 2010'. I want to change the format to '15/02/2010'. How can I do this?
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How can I select random files from a directory in bash?
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded
...us Java versions and contains sections about this specific problem:
Java 11 tuning guide has dedicated sections on excessive GC for different garbage collectors:
for the Parallel Collector
for the Concurrent Mark Sweep (CMS) Collector
there is no mention of this specific error condition for the ...
How do I get the AM/PM value from a DateTime?
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