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Does MySQL index foreign key columns automatically?
...5 seconds. Added an index on the fkey column, and things go under a second now.
– AbiusX
Feb 1 '16 at 23:14
Same exper...
How do I create a variable number of variables?
... # prints bar, because indices start at 0
lst.append('potatoes') # lst is now ['foo', 'bar', 'baz', 'potatoes']
For ordered sequences, lists are more convenient than dicts with integer keys, because lists support iteration in index order, slicing, append, and other operations that would require a...
How do I instantiate a Queue object in java?
...s... I think it makes the answer more confusing for someone that wants to know what to do because they almost surely don't want to do that. (Even if they wanted their own class, there is no need to make it anonymous)
– Tom
Jan 7 '11 at 23:08
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endsWith in JavaScript
... with ES6 adding endsWith, the point is moot. :-)
ORIGINAL ANSWER:
I know this is a year old question... but I need this too and I need it to work cross-browser so... combining everyone's answer and comments and simplifying it a bit:
String.prototype.endsWith = function(suffix) {
return th...
pg_config executable not found
...packages.
sudo apt-get install postgresql postgresql-dev python-dev
And now include the path to your postgresql binary dir with you pip install, this should work for either Debain or RHEL based Linux:
sudo PATH=$PATH:/usr/pgsql-9.3/bin/ pip install psycopg2
Make sure to include the correct pat...
How do I REALLY reset the Visual Studio window layout?
...ted - I close them, but they always come back. They're just empty windows now, since the plugin is no longer present, but nothing I've tried gets rid of them. I've tried:
...
Gray out image with CSS?
... answered Nov 13 '08 at 4:45
OwenOwen
73.7k1919 gold badges112112 silver badges113113 bronze badges
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Re-open *scratch* buffer in Emacs?
...ound this years ago when I first started using emacs; I have no idea where now but it has always had a home in my personal .el files. It does pop up in google searches.
;;; Prevent killing the *scratch* buffer -- source forgotten
;;;-----------------------------------------------------------------...
How to read all files in a folder from Java?
... This should be the only answer left for the question right now in 2020 :)
– Haramoz
Feb 13 at 16:15
Up...
Checking length of dictionary object [duplicate]
...
Now that javascript has the Map object, probably better off using that and using new Map().size
– Greg Hornby
Jul 24 '19 at 23:36
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