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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 to get the cuda version?
...--version gives me "Cuda compilation tools, release 7.5, V7.5.17" do you know the reason for the missmatch?
– martinako
Mar 21 '18 at 15:07
1
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How to create query parameters in Javascript?
...g this problem once and for all. It's traditionally been so difficult but now you can do:
var querystring = Arg.url({name: "Mat", state: "CO"});
And reading works:
var name = Arg("name");
or getting the whole lot:
var params = Arg.all();
and if you care about the difference between ?query=...
Emacs - Multiple columns one buffer
...n first window, 3. issue command :set scrollbind in each of the windows. Now the windows will scroll together as desired. (Note: scrollopt must contain 'ver' option.)
– Herbert Sitz
Sep 23 '11 at 18:35
...
Get name of property as a string
...
With C# 6.0, this is now a non-issue as you can do:
nameof(SomeProperty)
This expression is resolved at compile-time to "SomeProperty".
MSDN documentation of nameof.
...
Android: Rotate image in imageview by an angle
...
I know this is insanely late, but it was helpful for me so it may help others.
As of API 11, you can set the absolute rotation of an ImageView programmatically by using the imageView.setRotation(angleInDegrees); method.
By a...
How to get file_get_contents() to work with HTTPS?
...ne when I was using the test server (which wasn't calling an SSL URL), but now when I am testing it on the working server with HTTPS, it's failing with the error message "failed to open stream".
...
How can I join elements of an array in Bash?
...when the delimiter starts with a hyphen (and maybe others I can't think of now). You can of course fix these (replace backslashes by double backslashes and use printf -- "$d%s"), but at some point you'll feel that you're fighting against the shell instead of working with it. That's why, in my answer...
Vertical Text Direction
...-ms-transform:rotate(90deg);
transform: rotate(90deg);
white-space:nowrap;
display:block;
bottom:0;
width:20px;
height:20px;
}
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