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How do I query using fields inside the new PostgreSQL JSON datatype?
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180
Postgres 9.2
I quote Andrew Dunstan on the pgsql-hackers list:
At some stage there will pos...
finding the type of an element using jQuery
...you can use the following to get the name of the tag:
$("#elementId").get(0).tagName
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what is the right way to treat Python argparse.Namespace() as a dictionary?
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400
You can access the namespace's dictionary with vars():
>>> import argparse
>>&g...
Cancel/kill window.setTimeout() before it happens
...clear out a status, for example. I have a few of these that hang out for 10 seconds or more and if the user gets clicking around the action can occur at incorrect time intervals.
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See what has been installed via MacPorts
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edited Jul 30 '17 at 20:48
nbro
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Meaning of “[: too many arguments” error from if [] (square brackets)
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VARIABLE=$(/some/command);
# returns "hello world"
if [ $VARIABLE == 0 ]; then
# fails as if you wrote:
# if [ hello world == 0 ]
fi
The same will be true for any function call that puts down a string containing spaces or other special characters.
Easy fix
Wrap the variable output i...
Get element inside element by class and ID - JavaScript
...r targetDiv = document.getElementById("foo").getElementsByClassName("bar")[0];
getElementById only returns one node, but getElementsByClassName returns a node list. Since there is only one element with that class name (as far as I can tell), you can just get the first one (that's what the [0] is ...
Is it possible to delete an object's property in PHP?
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edited Jun 18 '19 at 17:03
Nathan Arthur
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Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
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edited Oct 15 '16 at 10:43
Arslan Ali
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answer...
How to do a newline in output
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answered Jan 13 '10 at 21:06
kjagiellokjagiello
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