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Can a CSV file have a comment?
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RFC 4180 is the standard now.
– vipw
Aug 16 '11 at 6:34
36
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Why does `a == b or c or d` always evaluate to True?
...integer as True.
In [11]: if 3:
...: print ("yey")
...:
yey
Now, Python builds on that logic and let you use logic literals such as or on integers, and so
In [9]: False or 3
Out[9]: 3
Finally
In [4]: a==b or c or d
Out[4]: 3
The proper way to write it would be:
In [13]: if a i...
Open firewall port on CentOS 7
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The answer by ganeshragav is correct, but
it is also useful to know that you can use:
firewall-cmd --permanent --zone=public --add-port=2888/tcp
but if is a known service, you can use:
firewall-cmd --permanent --zone=public --add-service=http
and then reload the firewall
firewall...
How to crop circular area from bitmap in Android
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Thanks. your code works spectacular. Now I can also crop using path (Polygon).
– DearDhruv
Sep 21 '13 at 8:58
2
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Is it possible to animate scrollTop with jQuery?
... I think body worked in Chrome as of earlier this year, but now it has to be html.
– Nick Davies
Dec 8 '17 at 19:19
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show 5 ...
tag vs tag
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@dholakiyaankit Please quote the source as well. Now people might think that, these are your own words.
– thefourtheye
Dec 25 '13 at 9:55
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How to Unit test with different settings in Django?
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I'd say this is the best way of doing this now in Django 1.4+
– Michael Mior
Jun 28 '13 at 12:59
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Copy array by value
...ees'];
var lyrics = ['head', ...parts, 'and', 'toes'];
Array spreads are now supported in all major browsers but if you need older support use typescript or babel and compile to ES5.
More info on spreads
share
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Alter column, add default constraint
...s the drop constraint query too.if someone had added getdate() earlier and now he needs to alter it to getutcdate(). he might get some help through this answer. @RalfFriedl
– Abhijit Poojari
Jun 22 '19 at 10:19
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What does `:_*` (colon underscore star) do in Scala?
...s taken as single arg
f(x:_*) // 2 as x is "unpacked" as a Seq[Any]*
So now we know what :_* do is to tell compiler : please unpack this argument and bind those elements to the vararg parameter in function call rather than take the x as a single argument .
So in a nutshell, the :_* is to remove ...