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How can I recover the return value of a function passed to multiprocessing.Process?
...m each process, where one value is the actual return value you care about, and the other is a unique identifier from the process. But I also wonder why you need to know which process is returning which value. If that what you actually need to know about the process, or do you need to correlate betwe...
Java optional parameters
... by the possibility of more than one return value.
– Andreas Vogl
Dec 26 '19 at 11:05
Adding global variables might ca...
postgresql - replace all instances of a string within text field
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Hi guys, I like your answer and explanation, it is really helpful. Could you please add an example using regexp_replace? Thanks!
– Wim Feijen
Oct 22 '14 at 16:09
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AngularJS app.run() documentation?
How and where is app.run() used? After module definition, after app.config() or after app.controller() ?
2 Answers
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What does a tilde in angle brackets mean when creating a Java generic class?
I was reading through some JMockit examples and found this code:
4 Answers
4
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How to run a command before a Bash script exits?
If a Bash script has set -e , and a command in the script returns an error, how can I do some cleanup before the script exits?
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Python: avoid new line with print command [duplicate]
I've started programming today and have this issue with Python. It's pretty dumb but I can't figure out how to do it. When I use the print command, it prints whatever I want and then goes to a different line. For example:
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On Duplicate Key Update same as insert
.... My question is quiet simple: Do I really need to specify all the fields (and values in my first example) if they are the same as in the insert? I just want to insert all or if there is a unique value match: update all.
– Roy
Jan 17 '13 at 16:36
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What characters are allowed in DOM IDs? [duplicate]
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Actually there is a difference between HTML and XHTML.
As XHTML is XML the rules for XML IDs apply:
Values of type ID MUST match the Name production.
NameStartChar ::= ":" | [A-Z] | "_" | [a-z] | [#xC0-#xD6] |
[#xD8-#xF6] | [#xF8-#x2FF] |
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Test if executable exists in Python?
In Python, is there a portable and simple way to test if an executable program exists?
21 Answers
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