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How do you rotate a two dimensional array?
...eed this information in our function to rotate a matrix, so let’s add it now:
def rotate(matrix):
size = len(matrix)
# Rotatable layers only.
layer_count = size / 2
Now we know what layers are and how to determine the number of layers that actually need rotating, how do we isolate a...
How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
...ion of my block for 10 seconds.
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 10 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
NSLog(@"parameter1: %d parameter2: %f", parameter1, parameter2);
});
More: https://developer.apple.com/documentation/dispatch/1452876-dispatch_after
...
Reading output of a command into an array in Bash
...t really understand why this was even implemented in the first place!).
Now I'm going to tell you why the following method:
my_array=( $( my_command) )
is broken when there are spaces:
$ # I'm using this command to test:
$ echo "one two"; echo "three four"
one two
three four
$ # Now I'm going...
How do you use “git --bare init” repository?
...
useful if you want to know difference between bare and non-bare repos stackoverflow.com/questions/7861184/…
– Guille Acosta
Mar 7 '16 at 14:52
...
JSONP with ASP.NET Web API
...So far, it's great. I have created the service and gotten it to work, and now I am trying to consume it using JQuery. I can get back the JSON string using Fiddler, and it seems to be ok, but because the service exists on a separate site, trying to call it with JQuery errors with the "Not Allowed"....
How do you add an in-app purchase to an iOS application?
...sumable.
For the reference name, put whatever you want (but make sure you know what it is)
For product id put tld.websitename.appname.referencename this will work the best, so for example, you could use com.jojodmo.blix.removeads
Choose cleared for sale and then choose price tier as 1 (99¢). Tier 2...
Array extension to remove object by value
...t 2 / Xcode 7 beta 2: As Airspeed Velocity noticed
in the comments, it is now actually possible to write a method on a generic type that is more restrictive on the template, so the method
could now actually be defined as an extension of Array:
extension Array where Element : Equatable {
// .....
How can I push a local Git branch to a remote with a different name easily?
...
I'd be interested to know whether there is a shorthand for the branch name I've checked out. I might just want to git push buildserver .:test_this where the . shall be the local branch name which I don't necessarily know. I could look it up, sure,...
How would I create a UIAlertView in Swift?
...nil))
self.presentViewController(alert, animated: true, completion: nil)
Now UIAlertController is a single class for creating and interacting with what we knew as UIAlertViews and UIActionSheets on iOS 8.
Edit: To handle actions:
alert.addAction(UIAlertAction(title: "OK", style: .Default, handle...
Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application
...shed major changes the available data: see changelog. The taggable_friends now returns nothing. Also, login review is required before you can be granted user_friends permission.
– Duncan Jones
Apr 11 '18 at 18:51
...