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Where to store global constants in an iOS application?
...
You could also do a
#define kBaseURL @"http://192.168.0.123/"
in a "constants" header file, say constants.h. Then do
#include "constants.h"
at the top of every file where you need this constant.
This way, you can switch between servers depending on compiler flags, as in:
#i...
Rails 3: I want to list all paths defined in my rails application
...ath is recognized by your app's router, see this.
– XåpplI'-I0llwlg'I -
Aug 21 '15 at 7:21
In a specific context, I ...
Unable to set data attribute using jQuery Data() API
...('#changeData').click(function() {
$('#foo').data('helptext', 'Testing 123');
// $('#foo').attr('data-helptext', 'Testing 123');
console.log($('#foo').data('data-helptext'));
return false;
});
See demo
Using the Chrome DevTools Console to inspect the DOM, the $('#foo').data('helptext...
Windows can't find the file on subprocess.call()
...ed Jan 18 '19 at 21:18
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Jan 6 '11 at 16:00
...
Using the scrollwheel in GNU screen
...ase Google drops that as well in the future. Original post was by Mikael Ståldal so credit where credit is due.
--
How to use mousewheel in GNU Screen
GNU Screen has support for scrollback, but by default you have to use awkward keys to use it. I would like to be able to use Shift-PageUp, Shift-...
Regular expression for floating point numbers
...g a floating point number is
[+-]?([0-9]*[.])?[0-9]+
This will match:
123
123.456
.456
See a working example
If you also want to match 123. (a period with no decimal part), then you'll need a slightly longer expression:
[+-]?([0-9]+([.][0-9]*)?|[.][0-9]+)
See pkeller's answer for a fuller...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
I'm terrible at naming and realize that there are a better set of names for my models in my Rails app. Is there any way to use a migration to rename a model and its corresponding table?
...
How to determine a Python variable's type?
...
Use the type() builtin function:
>>> i = 123
>>> type(i)
<type 'int'>
>>> type(i) is int
True
>>> i = 123.456
>>> type(i)
<type 'float'>
>>> type(i) is float
True
To check if a variable is of a given type, u...
Check if a String contains numbers Java
...
}
}
return sb.toString();
}
Examples:
For input "123abc", the method above will return 123.
For "abc1000def", 1000.
For "555abc45", 555.
For "abc", will return an empty string.
share
|
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Java generics type erasure: when and what happens?
...asure" is not as simple as many people think...
– Rogério
Dec 28 '09 at 0:19
4
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