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Using [UIColor colorWithRed:green:blue:alpha:] doesn't work with UITableView seperatorColor?
...y simple UIColor category that does the messy looking division by itself: (from http://github.com/Jon889/JPGeneral)
//.h file
@interface UIColor (JPExtras)
+ (UIColor *)colorWithR:(CGFloat)red G:(CGFloat)green B:(CGFloat)blue A:(CGFloat)alpha;
@end
//.m file
@implementation UIColor (JPExtras)
+ (U...
Difference between API and ABI
...rface
This is the set of public types/variables/functions that you expose from your application/library.
In C/C++ this is what you expose in the header files that you ship with the application.
ABI: Application Binary Interface
This is how the compiler builds an application.
It defines things (b...
What are fixtures in programming?
...(source: wikipedia, see link above)
Here are also some practical examples from the documentation of the 'Google Test' framework.
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Transpose list of lists
...in args is a separate positional argument of f.
Coming back to the input from the question l = [[1, 2, 3], [4, 5, 6], [7, 8, 9]], zip(*l) would be equivalent to zip([1, 2, 3], [4, 5, 6], [7, 8, 9]). The rest is just making sure the result is a list of lists instead of a list of tuples.
...
Why can't yield return appear inside a try block with a catch?
...tered:
Attributes not being able to be generic
Inability for X to derive from X.Y (a nested class in X)
Iterator blocks using public fields in the generated classes
In each of these cases it would be possible to gain a little bit more freedom, at the cost of extra complexity in the compiler. The...
How do I inject a controller into another controller in AngularJS
...sed approach you can always require a controller (instance of a component) from a another component that follows a certain hierarchy.
For example:
//some container component that provides a wizard and transcludes the page components displayed in a wizard
myModule.component('wizardContainer', {
......
How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
...
You can use tr to convert from DOS to Unix; however, you can only do this safely if CR appears in your file only as the first byte of a CRLF byte pair. This is usually the case. You then use:
tr -d '\015' <DOS-file >UNIX-file
Note that the ...
How to keep environment variables when using sudo
...t HTTP_PROXY=foof
$ sudo -E bash -c 'echo $HTTP_PROXY'
Here is the quote from the man page:
-E, --preserve-env
Indicates to the security policy that the user wishes to preserve their
existing environment variables. The security policy may return an error
if...
Create Generic method constraining T to an Enum
...e, a better implementation should be something like this:
public T GetEnumFromString<T>(string value) where T : struct, IConvertible
{
if (!typeof(T).IsEnum)
{
throw new ArgumentException("T must be an enumerated type");
}
//...
}
This will still permit passing of value ...
How to increase the gap between text and underlining in CSS
...s that even with padding-bottom: 0, the underline tends to be too far away from the text to look good. So we still don't have complete control.
One solution that gives you pixel accuracy is to use the :after pseudo element:
a {
text-decoration: none;
position: relative;
}
a:after {
con...