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What is the difference between PS1 and PROMPT_COMMAND
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answered Jun 17 '10 at 1:38
Scott ThomsonScott Thomson
73966 silver badges44 bronze badges
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How to show line number when executing bash script
...4='Line ${LINENO}: ' bash -x script
Line 1: foo=10
Line 2: echo 10
10
Line 3: echo 4
4
http://wiki.bash-hackers.org/scripting/debuggingtips gives the ultimate PS4 that would output everything you will possibly need for tracing:
export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]...
When correctly use Task.Run and when just async-await
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380
Note the guidelines for performing work on a UI thread, collected on my blog:
Don't block th...
String.replaceAll single backslashes with double backslashes
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edited Aug 13 '15 at 8:16
answered Nov 9 '09 at 15:45
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What is the meaning of the CascadeType.ALL for a @ManyToOne JPA association
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372
The meaning of CascadeType.ALL is that the persistence will propagate (cascade) all EntityMana...
Replace multiple characters in one replace call
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edited Jul 4 '15 at 0:36
answered May 16 '13 at 0:11
tc...
Run ssh and immediately execute command [duplicate]
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3 Answers
3
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How to add an image to a JPanel?
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edited Oct 18 '16 at 23:45
Andrew Thompson
161k3333 gold badges193193 silver badges395395 bronze badges
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App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...点击数字过程按照计算器的使用习惯，如果要输入数字123，会依次点击三个数字键，但三个数字的排列要用程序来处理，这里存在两种情况：当后数=0时，即，当用户输入第一个数字时，让后数直接等于输入的数字；当用户接着...