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@mvsantos
mvsantos / remove-image-background.sh
Created May 10, 2013 14:16
Remove/strip image background - rough mode - requires ImageMagick
# Requires ImageMagick
# Converting the source from JPEG to PNG - if necessary
convert my_src_image.jpg my_src_image.png
# Option A
# - Requires a temporary intermediate file
# - Drill more than 10 might result in poor results
@chipxsd
chipxsd / alert_trolling.sh
Created April 8, 2013 11:04
Have you ever found an unlocked MacBook in your office? Download this on your victim's MacBook, chmod +x it and run it in a screen session.
#!/bin/bash
while [ 1 ]
do
afplay /System/Library/Sounds/Funk.aiff
seconds=$(((RANDOM%120+1)))
echo 'alert and wait for '$seconds' seconds'
sleep $seconds
done
@indragiek
indragiek / gist:5297435
Last active March 5, 2023 21:55
Draft of a ReactiveCocoa based interface for CoreData
//
// FGOManagedObjectContextStack.h
//
// Created by Indragie Karunaratne on 2012-12-23.
//
#import <Foundation/Foundation.h>
typedef void (^FGOConfigurationBlock)(id);
@indragiek
indragiek / gist:5200264
Created March 19, 2013 21:23
Easy Core Data fetching/inserting
- (void)fetchWithRequest:(NSFetchRequest *)request
completion:(void(^)(NSArray *results, NSError *error))handler
{
[request setResultType:NSManagedObjectIDResultType];
void (^executeHandler)(NSArray *, NSError *) = ^(NSArray *results, NSError *error){
dispatch_async(dispatch_get_main_queue(), ^{
if (handler) handler(results, error);
});
};
[self.backgroundContext performBlock:^{
@mattt
mattt / uiappearance-selector.md
Last active February 7, 2025 15:27
A list of methods and properties conforming to `UIAppearance` as of iOS 12 Beta 3

Generate the list yourself:

$ cd /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS*.sdk/System/Library/Frameworks/UIKit.framework/Headers
$ grep UI_APPEARANCE_SELECTOR ./*     | \
  sed 's/NS_AVAILABLE_IOS(.*)//g'     | \
  sed 's/NS_DEPRECATED_IOS(.*)//g'    | \
  sed 's/API_AVAILABLE(.*)//g'        | \
  sed 's/API_UNAVAILABLE(.*)//g'      | \
 sed 's/UI_APPEARANCE_SELECTOR//g' | \
@martinsik
martinsik / MyCalendar.h
Created March 8, 2013 09:47
Example of using EventKit on iOS 6+
#import <Foundation/Foundation.h>
@interface MyCalendar : NSObject
+ (void)requestAccess:(void (^)(BOOL granted, NSError *error))success;
+ (BOOL)addEventAt:(NSDate*)eventDate withTitle:(NSString*)title inLocation:(NSString*)location;
@end
@HeshamMegid
HeshamMegid / AddressBookManager.h
Last active February 1, 2023 11:28
Lookup a contact name/photo using phone number in ABAddressBook
#import <Foundation/Foundation.h>
#import "Contact.h"
@interface AddressBookManager : NSObject
+ (NSString *)nameForContactWithPhoneNumber:(NSString *)phoneNumber;
+ (UIImage *)photoForContactWithPhoneNumber:(NSString *)phoneNumber;
@end
@tonyarnold
tonyarnold / mr-save-patterns.md
Last active October 21, 2023 00:55
Common save patterns for use with MagicalRecord

Common Save Patterns

Standard background save

Assuming that you don't care which NSManagedObjectContext is used, and you just want to make some changes and save them in the background, use the following method. 90% of the time, this is what you'll want.

NSManagedObjectSubclass *myObject = [NSManagedObjectSubclass MR_findFirst];

[MagicalRecord saveWithBlock:^(NSManagedObjectContext *localContext) {
@christianboyle
christianboyle / chrome-extensions-jan-2013.mkd
Created January 21, 2013 19:03
I don't like having the bookmarks bar visible in Chrome. It takes up too much room and looks ugly. Chrome extensions, on the other hand, sit next to the omnibox and have their own icons (which show active/inactive states and secondary options). This seems far better to me, and I end up using them way more often than bookmarklets (which are only …

Adobe Edge Inspect Used while working on mobile/responsive sites to view natively on iPhone, updates in real time. https://chrome.google.com/webstore/detail/adobe-edge-inspect/ijoeapleklopieoejahbpdnhkjjgddem

Benchwarmer This has replaced my pinned Dribbble tab. "New tab" extension, no URL bar icon, transforms your new tab's background into a list of Dribbble popular/everyone/debut/following (you pick) shots. https://chrome.google.com/webstore/detail/benchwarmer-the-dribbble/lhdjhhpjicomphhjpehdhjenbaamdpnn

Bitly Used with custom .htaccess rule and vanity domain to shorten links with 2 clicks.

@evadne
evadne / gist:4544569
Last active August 14, 2023 05:04
Todd Laney’s enhancements to Sticky Headers + UICollectionViewFlowLayout
//
// StickyHeaderLayout.h
// Wombat
//
// Created by Todd Laney on 1/9/13.
// Copyright (c) 2013 ToddLa. All rights reserved.
//
// Modified from http://blog.radi.ws/post/32905838158/sticky-headers-for-uicollectionview-using THANKS!
//