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How do I create a basic UIButton programmatically?
...utton setBackgroundColor:({
UIColor* color = [UIColor colorWithRed:1.0 green:1.0 blue:0.0 alpha:1.0];
color;
})];
//set button title for state
[button setTitle:({
NSString* string = [NSString stringWithFormat:@"title words"];
string;
}) forState:({
...
Convert columns to string in Pandas
...
pandas >= 1.0: It's time to stop using astype(str)!
Prior to pandas 1.0 (well, 0.25 actually) this was the defacto way of declaring a Series/column as as string:
# pandas <= 0.25
# Note to pedants: specifying the type is unnecessary...
How to compare software version number using js? (only number)
...what if we have version strings that are not made up of just digits (e.g. "1.0a")?
What should happen if one version string has more parts than the other? Most likely "1.0" should be considered less than "1.0.1", but what about "1.0.0"?
Here's the code for an implementation that you can use direct...
Programmatically create a UIView with color gradient
...(id)[[UIColor colorWithRed:34.0/255.0 green:211/255.0 blue:198/255.0 alpha:1.0] CGColor],(id)[[UIColor colorWithRed:145/255.0 green:72.0/255.0 blue:203/255.0 alpha:1.0] CGColor], nil];
[view.layer addSublayer:gradient];
UPDATED :-
Swift3 +
Code :-
var gradientView = UIView(frame: CGRect(...
Produce a random number in a range using C#
...lower bound and zero. So for -1 to 1 double rDouble = (r.NextDouble()*2)-1.0;
– Tom Heard
Oct 28 '13 at 20:03
...
How to create custom easing function with Core Animation?
...
// this should be a function that takes a time value between
// 0.0 and 1.0 (where 0.0 is the beginning of the animation
// and 1.0 is the end) and returns a scale factor where 0.0
// would produce the starting value and 1.0 would produce the
// ending value
typedef double (^KeyframeParametric...
Meaning of -
...t it is dealing with. In most cases (for English speakers anyway), version 1.0 is sufficient.
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Should I use multiplication or division?
... precision, the answer can still be different.
x = 100.0;
x / 3.0 == x * (1.0/3.0) // is false in the test I just performed
The speed issue is only likely to matter in C/C++ or JIT languages, and even then only if the operation is in a loop at a bottleneck.
...
How to create a colored 1x1 UIImage on the iPhone dynamically?
...th color: UIColor) -> UIImage {
let rect = CGRectMake(0.0, 0.0, 1.0, 1.0)
UIGraphicsBeginImageContext(rect.size)
let context = UIGraphicsGetCurrentContext()
CGContextSetFillColorWithColor(context, color.CGColor)
CGContextFillRect(context, rect)
le...
How can I exclude some folders from my Eclipse project?
...gt;<!-- exclude all, folders, all children -->
<arguments>1.0-name-matches-false-false-xyz</arguments> <!-- case sensitive=false, regular expression=false, something named=xyz -->
<arguments>1.0-name-matches-true-false-EEE</arguments> <!-- case sensiti...