Joan Romano joanromano
joanromano
/ gist:4740046
Last active
December 12, 2015 07:58
Generic typeof for weak self references
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| __weak typeof(self) weakSelf = self; |
joanromano
/ gist:5116211
Created
March 8, 2013 12:38
Returns the NSRange of a given regular expression pattern
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| - (NSRange)rangeOfRegularExpressionPattern:(NSString *)pattern inString:(NSString *)string | |
| { | |
| NSRegularExpression *expression = [NSRegularExpression regularExpressionWithPattern:pattern options:nil error:nil]; | |
| NSTextCheckingResult *result = [expression firstMatchInString:string options:nil range:NSMakeRange(0, [string length])]; | |
| return result.range; | |
| } |
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| __weak typeof(self) weakSelf = self; |
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| - (void)centerViewGroupInY:(NSArray *)views withFixedSpace:(CGFloat)space options:(NSLayoutFormatOptions)options | |
| { | |
| if (![views count]) | |
| return; | |
| NSMutableString *mutableConstraint = [@"V:|[topSpacer(==bottomSpacer)]" mutableCopy]; | |
| UIView *topSpacer, *bottomSpacer; | |
| NSDictionary *metrics = @{@"space":@(space)}; | |
| NSMutableDictionary *viewsMutableDictionary = [NSMutableDictionary dictionary]; | |
joanromano
/ gist:7304803
Created
November 4, 2013 16:02
Setting a UIImageView's image without using cornerRadius and masksToBounds
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| - (void)setImage:(UIImage *)image withCornerRadius:(CGFloat)cornerRadius | |
| { | |
| UIGraphicsBeginImageContextWithOptions(self.bounds.size, NO, 1.0); | |
| [[UIBezierPath bezierPathWithRoundedRect:self.bounds cornerRadius:cornerRadius] addClip]; | |
| [image drawInRect:self.bounds]; | |
| self.image = UIGraphicsGetImageFromCurrentImageContext(); | |
| UIGraphicsEndImageContext(); | |
| } |
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| @weakify(self) | |
| [[self.firstTextField rac_signalForControlEvents:UIControlEventEditingDidEndOnExit] | |
| subscribeNext:^(id x) { | |
| @strongify(self) | |
| [self.secondTextField becomeFirstResponder]; | |
| }]; |
joanromano
/ gist:332eacddeb93aeb61b5e
Created
June 1, 2015 09:17
Date formatter for ironhack course
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| NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; | |
| formatter.dateFormat = @"yyyy-MM-dd'T'HH:mm:ss"; |
joanromano
/ gist:20f1732dd1dbb2dea5d7
Last active
February 7, 2016 15:20
Recursive greatest common divider
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| func greatestCommonDivisor(first: Int, second: Int) -> Int { | |
| return internalPrivateGreatestCommonDivisor(first, second, min(first, second)) | |
| } | |
| private func internalPrivateGreatestCommonDivisor(first: Int, second: Int, divider: Int) -> Int { | |
| if divider == 0 { | |
| return 0 | |
| } | |
joanromano
/ HeightedUnion.swift
Last active
March 15, 2020 05:16
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| struct HeightedUnion { | |
| typealias QuickUnionRootHeight = (root: Int, height: Int) | |
| private var ids: [Int] | |
| // Complexity: O(n) | |
| init(_ N: Int) { | |
| ids = Array(0..<N) | |
| } |
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| extension Array where Element: Comparable { | |
| // This implementations are inspired in https://github.com/python/cpython/blob/master/Lib/bisect.py | |
| /// Return the index where to insert value in the receiver, assuming the receiver is sorted | |
| /// | |
| /// - Parameters: | |
| /// - value: The position of the text in current context | |
| /// - min: The lower bound where to perform the search | |
| /// - max: The upper bound where to perform the search | |
| /// - Returns: An index such that all elements in self[:i] have element < value, and all elements in |
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