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Creating an abstract class in Objective-C
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Just riffing on @Barry Wark's answer above (and updating for iOS 4.3) and leaving this for my own reference:
#define mustOverride() @throw [NSException exceptionWithName:NSInvalidArgumentException reason:[NSString stringWithFormat:@"%s must be overridden in a subclass/category", __PRETTY_...
Getting root permissions on a file inside of vi? [closed]
...of these issues, you can use the following command:
" On POSIX (Linux/Mac/BSD):
:silent execute 'write !sudo tee ' . shellescape(@%, 1) . ' >/dev/null'
" Depending on the implementation, you might need this on Windows:
:silent execute 'write !sudo tee ' . shellescape(@%, 1) . ' >NUL'
These...
Return value in a Bash function
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Another way to achive this is name references (requires Bash 4.3+).
function example {
local -n VAR=$1
VAR=foo
}
example RESULT
echo $RESULT
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Get content uri from file path in android
...ded video file and the above code seems to work perfect on Nexus 4(Android 4.3). It would be nice if you can please explain the code.
– Ajith Memana
Mar 12 '14 at 12:35
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What is the most compatible way to install python modules on a Mac?
...ou will learn how to setup your environment in any platform (Win/Mac/Linux/Bsd...). Furthermore it will always be more up to date and with more packages
I personally let MacPorts handle my Python modules to keep everything updated. Like any other high level package manager (ie: apt-get) it is much ...
Coloring white space in git-diff's output
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@Paul_Whittaker cat -A isn't portable. On BSD cat, there is no such option. Please use cat -vet instead.
– 7heo.tk
Apr 25 '15 at 8:07
add a co...
Padding between ActionBar's home icon and title
... i can either add extra padding this way or crop the logo image - no good (4.3)
– Dori
Oct 11 '13 at 12:26
1
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Bash: infinite sleep (infinite blocking)
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BSD (or at least OS X) doesn't understand sleep infinity either, though it was a cool thing to learn about for Linux. However, while true; do sleep 86400; done ought to be an adequate substitute.
– Ivan ...
What is the difference between single-quoted and double-quoted strings in PHP?
...r in which single and double quotes are essentially equally fast since PHP 4.3 (Useless Optimizations toward the bottom, section C). Also, this benchmarks page has a single vs double quote comparison. Most of the comparisons are the same. There is one comparison where double quotes are slower than s...
Ignoring a class property in Entity Framework 4.1 Code First
...oft.com/en-us/library/hh295847(v=vs.103).aspx
The version I checked is EF 4.3, which is the latest stable version available when you use NuGet.
Edit : SEP 2017
Asp.NET Core(2.0)
Data annotation
If you are using asp.net core (2.0 at the time of this writing), The [NotMapped] attribute can be used ...