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How to draw border around a UILabel?
...IColor.blue.cgColor
// label 3
label3.layer.borderWidth = 2.0
label3.layer.cornerRadius = 8
// label 4
label4.backgroundColor = UIColor.cyan
// label 5
label5.backgroundColor = UIColor.red
label5.layer.cornerRadius = 8
label5...
How do I use NSTimer?
... can be done something like this:
[NSTimer scheduledTimerWithTimeInterval:2.0
target:self
selector:@selector(targetMethod:)
userInfo:nil
repeats:NO];
This will create a timer that is fired after 2.0 seconds and calls targetMethod: on self with one argument, which is a pointer to t...
OAuth secrets in mobile apps
...
With OAUth 2.0, you can store the secret on the server. Use the server to acquire an access token that you then move to the app and you can make calls from the app to the resource directly.
With OAuth 1.0 (Twitter), the secret is requ...
Getting the path of the home directory in C#?
...
Note that UserProfile is new in .NET 4.0, if you use .NET 2.0/3.5, you have to call win32 API manually with value 40 for UserProfile
– linquize
Jul 3 '12 at 4:54
...
How to iterate for loop in reverse order in swift?
...
With Swift 2.0 it is now: 5.stride(to: 1, by: -1) or 5.stride(through: 1, by: -1)
– Binarian
Sep 21 '15 at 9:23
6
...
Why use symbols as hash keys in Ruby?
... just for hash with symbols keys (e.g. h.merge(foo: 42, bar: 6)), and Ruby 2.0 has keyword arguments that work only for symbol keys.
Notes:
1) You might be surprised to learn that Ruby treats String keys differently than any other type. Indeed:
s = "foo"
h = {}
h[s] = "bar"
s.upcase!
h.rehash #...
How to initialize a list of strings (List) with many string values
... .NET/C#? As far as I know this work from v3.5 and later. Don't know about 2.0 because I haven't used it for a while...
– Padel
Jun 29 '10 at 8:55
1
...
Is there a reason for C#'s reuse of the variable in a foreach?
...ade no observable difference. When closure semantics were introduced in C# 2.0, the choice was made to put the loop variable outside the loop, consistent with the "for" loop.
I think it is fair to say that all regret that decision. This is one of the worst "gotchas" in C#, and we are going to take ...
How can I make the computer beep in C#?
...
In .Net 2.0, you can use Console.Beep().
// Default beep
Console.Beep();
You can also specify the frequency and length of the beep in milliseconds.
// Beep at 5000 Hz for 1 second
Console.Beep(5000, 1000);
For more information ...
UIView Infinite 360 degree rotation animation?
...ion.z"];
rotationAnimation.toValue = [NSNumber numberWithFloat: M_PI * 2.0 /* full rotation*/ * rotations * duration ];
rotationAnimation.duration = duration;
rotationAnimation.cumulative = YES;
rotationAnimation.repeatCount = repeat ? HUGE_VALF : 0;
[view.layer addAnimation:rot...