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Omitting the second expression when using the if-else shorthand
...o an option:
x==2 && dosomething();
dosomething() will only be called if x==2 is evaluated to true. This is called Short-circuiting.
It is not commonly used in cases like this and you really shouldn't write code like this. I encourage this simpler approach:
if(x==2) dosomething();
You...
How can I reconcile detached HEAD with master/origin?
... Git. I always work on a single branch and commit changes and then periodically push to my remote origin.
26 Answers
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How to set commands output as a variable in a batch file
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Only drawback to bottom approach (which is preferable in all other ways) is that it doesn't work with multi-line output.
– dgo
Nov 29 '16 at 15:46
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How to remove \xa0 from string in Python?
I am currently using Beautiful Soup to parse an HTML file and calling get_text() , but it seems like I'm being left with a lot of \xa0 Unicode representing spaces. Is there an efficient way to remove all of them in Python 2.7, and change them into spaces? I guess the more generalized question would...
Bootstrap: how do I change the width of the container?
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Theoretically, there are infinite combinations that match 1000px. An example: 12*65 + 11*20 = 1000 (there are only 11 gutters between columns).
– albertedevigo
Jun 14 '13 at 14:09
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How to concatenate columns in a Postgres SELECT?
...catenated to NULL is NULL. If NULL values can be involved and the result shall not be NULL, use concat_ws() to concatenate any number of values (Postgres 9.1 or later):
SELECT concat_ws(', ', a, b) AS ab FROM foo;
Or concat() if you don't need separators:
SELECT concat(a, b) AS ab FROM foo;
No...
How to increase code font size in IntelliJ?
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Is there an option to change the font size globally with a hotkey?
– A. Steenbergen
Jun 18 '19 at 9:49
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What are the advantages of Sublime Text over Notepad++ and vice-versa? [closed]
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This licensing requirement is still correct as of Dec 2019.
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Recursive directory listing in DOS
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You can use:
dir /s
If you need the list without all the header/footer information try this:
dir /s /b
(For sure this will work for DOS 6 and later; might have worked prior to that, but I can't recall.)
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Is there a difference between using a dict literal and a dict constructor?
...he finds the builtin, so you can switch the behaviour by defining a local called dict for example although I can't think of anywhere this would be a good idea apart from maybe when debugging
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