⌘T | go to file |
⌘⌃P | go to project |
⌘R | go to methods |
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⌘KB | toggle side bar |
⌘⇧P | command prompt |
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# Problem to be solved: | |
# https://instagram-engineering.com/instagram-engineering-challenge-the-unshredder-7ef3f7323ab1 | |
import PIL.Image, numpy, fractions | |
image = numpy.asarray(PIL.Image.open('TokyoPanoramaShredded.png').convert('L')) | |
diff = numpy.diff([numpy.mean(column) for column in image.transpose()]) | |
threshold, width = 1, 0 | |
def sequence(conn, start): | |
seq = [start] |
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CGAffineTransform CGAffineTransformFromRectToRect(CGRect fromRect, CGRect toRect) | |
{ | |
CGSize scale = CGSizeMake(toRect.size.width / fromRect.size.width, toRect.size.height / fromRect.size.height); | |
CGRect scaledFromRect = CGRectMake(fromRect.origin.x * scale.width, fromRect.origin.y * scale.height, | |
fromRect.size.width * scale.width, fromRect.size.height * scale.height); | |
CGSize translation = CGSizeMake(fromRect.origin.x - scaledFromRect.origin.x, fromRect.origin.y - scaledFromRect.origin.y); | |
return CGAffineTransformMake(scale.width, 0.0, 0.0, scale.height, translation.width, translation.height); | |
} |
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Alan Kay's talk at Creative Think seminar, July 20, 1982 | |
Outline of talk: Metaphors, Magnetic Fields, Snobbery and Slogans | |
The best way to predict the future is to invent it. | |
Humans like fantasy and sharing: | |
Fantasy fulfills a need for a simpler, more controllable world. | |
Sharing is important - we're all communication junkies. We have an incredible bandwidth |
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@try | |
{ | |
id textView = [mailComposeViewController valueForKeyPath:@"internal.mailComposeView.textView"]; | |
if ([textView respondsToSelector:@selector(becomeFirstResponder)]) | |
[textView becomeFirstResponder]; | |
} | |
@catch (NSException *e) {} |
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#!/bin/sh -e | |
# | |
# Usage: browser | |
# pipe html to a browser | |
# e.g. | |
# $ echo '<h1>hi mom!</h1>' | browser | |
# $ ron -5 man/rip.5.ron | browser | |
if [ -t 0 ]; then | |
if [ -n "$1" ]; then |
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@interface UIImage(ImmediateLoad) | |
+ (UIImage*)imageImmediateLoadWithContentsOfFile:(NSString*)path; | |
@end | |
@implementation UIImage(ImmediateLoad) | |
+ (UIImage*)imageImmediateLoadWithContentsOfFile:(NSString*)path { | |
UIImage *image = [[UIImage alloc] initWithContentsOfFile:path]; |
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