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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
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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...
What is a lambda expression in C++11?
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1535
The problem
C++ includes useful generic functions like std::for_each and std::transform, which...
What is the difference between a port and a socket?
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35 Answers
35
Active
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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...
Why is there an injected class name?
...o the current instantiation. See DR 176 for a change between C++98 and C++03 that clarified that.
The idea of the injected class name was present in C++98, but the terminology was new for C++03.
C++98 says:
A class-name is inserted into the scope in which it is declared immediately after the c...
How can I scan barcodes on iOS?
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edited Mar 19 '15 at 3:46
Jojodmo
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answere...
Get java.nio.file.Path object from java.io.File
... Sled
15.7k2121 gold badges107107 silver badges143143 bronze badges
answered Mar 19 '13 at 23:08
Vivin PaliathVivin Paliath
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