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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...
Does setting Java objects to null do anything anymore?
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73
It depends a bit on when you were thinking of nulling the reference.
If you have an object chai...
What does the unary plus operator do?
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Jeffrey HantinJeffrey Hantin
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How to insert a SQLite record with a datetime set to 'now' in Android application?
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edited Aug 13 '10 at 13:20
Maksym Gontar
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How to convert QString to std::string?
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Zhigalin - Reinstate CMs
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answered Jan 10 '11 at 8:36
ArtyomArtyom
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Spring @PropertySource using YAML
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edited Jun 25 '19 at 13:45
answered Nov 10 '14 at 9:29
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Get java.nio.file.Path object from java.io.File
... Sled
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answered Mar 19 '13 at 23:08
Vivin PaliathVivin Paliath
85....
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...