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Properly escape a double quote in CSV
... need to add a single double quote to escape a double quote. You can use a command-line tool called csvfix to detect any lines which don't conform: csvfix check -nl -v [filename]
– Sam Critchley
Jun 30 '16 at 14:51
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JQuery find first parent element with specific class prefix
... div element selector: $('#divid').closest('[class^="div-a"]'). As @Stefan commented, though, you should really be using multiple classes.
– Matt Ball
Sep 17 '11 at 21:18
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sqlalchemy IS NOT NULL select
...the IS NOT operator.
Normally, IS NOT is generated automatically when comparing to a value of None, which resolves to NULL. However, explicit usage of IS NOT may be desirable if comparing to boolean values on certain platforms.
Demo:
>>> from sqlalchemy.sql import column
>>>...
Strange \n in base64 encoded string in Ruby
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Apparently this exists to maintain backwards compat with software that cannot handle long lines. stackoverflow.com/a/20065991/5749914
– Warlike Chimpanzee
Aug 21 '17 at 23:57
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Python integer division yields float
....0. I feel like the role of / and // should be reversed to keep backwards compatibility. Also, in pretty much every other language / preserves type. i would make more sense then for // to automatically convert to float, not /.
– thang
Sep 11 '17 at 20:22
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RegEx - Match Numbers of Variable Length
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How is “int main(){(([](){})());}” valid C++?
... edited May 23 '17 at 12:25
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answered Nov 28 '12 at 10:51
XeoXeo
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UTF-8: General? Bin? Unicode?
...ollation are faster than those for the _unicode_ci collation. For example, comparisons for the utf8_general_ci collation are faster, but slightly less correct, than comparisons for utf8_unicode_ci. The reason for this is that utf8_unicode_ci supports mappings such as expansions; that is, when one c...
How to display count of notifications in app launcher icon [duplicate]
...ication icon, because it is sealed in the .apk tightly once the program is compiled. There is no way to change it to a 'drawable' programmatically using standard APIs. You may achieve your goal by using a widget instead of an icon. Widgets are customisable. Please read this :http://www.cnet.com/8301...
Labels for radio buttons in rails form
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I just wanted to say that as a newcomer to Rails, I've found this answer the one I keep coming back to. It's the gift that keeps on giving. Well, until I remember the proper syntax anyway... :)
– John Gallagher
Oct 20 '1...