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How to determine the screen width in terms of dp or dip at runtime in Android?
...re references:
Configuration configuration = yourActivity.getResources().getConfiguration();
int screenWidthDp = configuration.screenWidthDp; //The current width of the available screen space, in dp units, corresponding to screen width resource qualifier.
int smallestScreenWidthDp = configuration.s...
How to define custom configuration variables in rails
...n You're getting that error, because Rails doesn't know what store is. In order to use the method in this answer, you can either rename your variable store_works, or create a config.store block with works defined therein.
– Paul Pettengill
Aug 21 '14 at 18:16
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How do I remove  from the beginning of a file?
...
Three words for you:
Byte Order Mark (BOM)
That's the representation for the UTF-8 BOM in ISO-8859-1. You have to tell your editor to not use BOMs or use a different editor to strip them out.
To automatize the BOM's removal you can use awk as shown ...
commands not found on zsh
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I don't have a ~/.zsh file. Instead I had to put it in /etc/zshrc.
– Chase Roberts
Jan 6 at 13:27
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How do you loop in a Windows batch file?
...tly defined to hold each. These are automatically assigned in alphabetical order %%H %%I %%J ...(implicit parameter definition)
If the parameter refers to a file, then enhanced variable reference can be used to extract the filename/path/date/size.
You can of course pick any letter of the alphabet ...
Why is the console window closing immediately once displayed my output?
...lose in Debug mode, is because you want to look at the values of variables etc. So it's probably best to just insert a break-point on the closing "}" of the main function.
If you don't need to debug, then Ctrl-F5 is the best option.
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Fastest way to implode an associative array with keys
...d the best way to implode an associative array but using my own seperators etc...
So I did this using PHP's array_walk() function to let me join an associative array into a list of parameters that could then be applied to a HTML tag....
// Create Params Array
$p = Array("id"=>"blar","class"=>...
How to access random item in list?
...fle<T>(this IEnumerable<T> source)
{
return source.OrderBy(x => Guid.NewGuid());
}
}
For a strongly typed list, this would allow you to write:
var strings = new List<string>();
var randomString = strings.PickRandom();
If all you have is an ArrayList, you can...
How to check if a view controller is presented modally or pushed on a navigation stack?
...elf.navigationController != nil would mean it's in a navigation
stack.
In order to handle the case that the current view controller is pushed while the navigation controller is presented modally, I have added some lines of code to check if the current view controller is the root controller in the n...
Does a dot have to be escaped in a character class (square brackets) of a regular expression?
A dot . in a regular expression matches any single character. In order for regex to match a dot, the dot has to be escaped: \.
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