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DistutilsOptionError: must supply either home or prefix/exec-prefix — not both
...hub.com/Homebrew/brew/blob/master/docs/Homebrew-and-Python.md calls out a known issue with pip and a work around.
Worked for me.
You can make this "empty prefix" the default by adding a
~/.pydistutils.cfg file with the following contents:
[install]
prefix=
Edit: Do not use this Homebrew r...
While loop to test if a file exists in bash
...
When you say "doesn't work", how do you know it doesn't work?
You might try to figure out if the file actually exists by adding:
while [ ! -f /tmp/list.txt ]
do
sleep 2 # or less like 0.2
done
ls -l /tmp/list.txt
You might also make sure that you're using a Ba...
Global variables in Java
...blic class Example {
public static int a;
public static int b;
}
now you can access a and b from anywhere
by calling
Example.a;
Example.b;
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The server committed a protocol violation. Section=ResponseStatusLine ERROR
...
anyone know why this safety measure is imposed by IIS? It worked, but I don't understand the reason for the restriction on header values (manually setting them in my case).
– emran
Feb 19 '14 at...
How do I return multiple values from a function in C?
...
I don't know what your string is, but I'm going to assume that it manages its own memory.
You have two solutions:
1: Return a struct which contains all the types you need.
struct Tuple {
int a;
string b;
};
struct Tuple ge...
Changing specific text's color using NSMutableAttributedString in Swift
...the title question:
To change the colour of a length of text you need to know the start and end index of the coloured-to-be characters in the string e.g.
var main_string = "Hello World"
var string_to_color = "World"
var range = (main_string as NSString).rangeOfString(string_to_color)
Then you c...
jQuery Call to WebService returns “No Transport” error
...erty will do nothing for you. I would recommend putting in a bit of effort now to get JSONP in place. At the very least, you might want to try and see if forcing jQuery cross-domain support works with all the browsers you plan on supporting. I also can't comment on what other problems you might run ...
HTML5: number input type that takes only integers?
...nput type="number" step="1" />
This seems a bit buggy in Chrome right now so it might not be the best solution at the moment.
A better solution is to use the pattern attribute, that uses a regular expression to match the input:
<input type="text" pattern="\d*" />
\d is the regular exp...
jQuery 1.9 .live() is not a function
...:
$('#parentElement').on('click', '.myButton', function)
If you do not know what to put as the parent, body always works:
$('body').on('click', '.myButton', function)
See also:
jQuery - how to use the “on()” method instead of “live()”?
jQuery 1.9 Migration Guide
...
Why are flag enums usually defined with hexadecimal values
...ta matters. Using it hints at the fact that that's the situation we're in now.
Also, i'm not sure about C#, but I know that in C x << y is a valid compile-time constant.
Using bit shifts seems the most clear:
[Flags]
public enum MyEnum
{
None = 0,
Flag1 = 1 << 0,
Flag2 = ...