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How to switch position of two items in a Python list?
... Tiago Martins Peres 李大仁
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answered Mar 22 '10 at 16:31
samtregarsamtregar
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Is there a difference between single and double quotes in Java?
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Luiggi Mendoza
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answered Jan 13 '09 at 15:54
Yuval AdamYuval Adam
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How do I change column default value in PostgreSQL?
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Silver LightSilver Light
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Scala: join an iterable of strings
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432
How about mkString ?
theStrings.mkString(",")
A variant exists in which you can specify a pr...
Can't install via pip because of egg_info error
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143
Found out what was wrong. I never installed the setuptools for python, so it was missing some vi...
Parallel.ForEach vs Task.Run and Task.WhenAll
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163
In this case, the second method will asynchronously wait for the tasks to complete instead of bl...
How is the “greater than” or “>” character used in CSS?
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203
It's a CSS child selector. P > SPAN means applying the style that follows to all SPAN tags th...
How to detect UI thread on Android?
...) {
// On UI thread.
} else {
// Not on UI thread.
}
From API level 23 and up, there's a slightly more readable approach using new helper method isCurrentThread on the main looper:
if (Looper.getMainLooper().isCurrentThread()) {
// On UI thread.
} else {
// Not on UI thread.
}
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GIT merge error “commit is not possible because you have unmerged files”
...tenjonnystoten
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2
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How to remove all whitespace from a string?
So " xx yy 11 22 33 " will become "xxyy112233" . How can I achieve this?
9 Answers
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