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Cropping an UIImage
...of the center of the image - I use this to take a UIImage and return a small, square representation of an image, similar to what's seen in the album view of the Photos app. (I know I could use a UIImageView and adjust the crop mode to achieve the same results, but these images are sometimes disp...
cancelling queued performSelector:afterDelay calls
... stack (or whatever mechanism it is that is utilized by the API) when you call performSelector:withObject:afterDelay ?
4 A...
Is it possible to use JavaScript to change the meta-tags of the page?
...
@bobince: Actually, the SKYPE_TOOLBAR one still takes effect if you insert it with js (which is useful as html5 validator doesn't like that meta tag).
– DaedalusFall
Nov 15 '11 at 13:23
...
do..end vs curly braces for blocks in Ruby
...The following code:
task :rake => pre_rake_task do
something
end
really means:
task(:rake => pre_rake_task){ something }
And this code:
task :rake => pre_rake_task {
something
}
really means:
task :rake => (pre_rake_task { something })
So to get the actual definition that...
How do I manage conflicts with git submodules?
...wered May 7 '09 at 17:33
Jesse HallettJesse Hallett
1,5571414 silver badges2323 bronze badges
...
javascript: pause setTimeout();
...imilar to what you were suggesting in the question:
var Timer = function(callback, delay) {
var timerId, start, remaining = delay;
this.pause = function() {
window.clearTimeout(timerId);
remaining -= Date.now() - start;
};
this.resume = function() {
start =...
builtins.TypeError: must be str, not bytes
... couldn't because they were using stdio). Now it can annoy Python users on all platforms. Hopefully, it will be worth the pain.
– Brent Bradburn
Aug 17 '13 at 6:11
5
...
How to make an alert dialog fill 90% of screen size?
...heme.Dialog, then you wouldn't have to play a guessing game about when to call setAttributes. (Although it's a bit more work to have the dialog automatically adopt an appropriate light or dark theme, or the Honeycomb Holo theme. That can be done according to http://developer.android.com/guide/topi...
Test if string is a number in Ruby on Rails
...def is_number? string
true if Float(string) rescue false
end
And then call it like this:
my_string = '12.34'
is_number?( my_string )
# => true
Extend String Class.
If you want to be able to call is_number? directly on the string instead of passing it as a param to your helper function, t...
How to check if Location Services are enabled?
... Thank you for the code. Checking for location manager: lm.getAllProviders().contains(LocationManager.GPS_PROVIDER) (or NETWORK_PROVIDER) would make sure that you do not throw the user to a settings page where there is no network option.
– petter
N...