berikv

@interface MyViewController()
@property (nonatomic, assign) dispatch_source_t timer;
- (void)handleTimer;
@end

@implementation
@synthesize timer=timer_;

- (id)init {

berikv

toRemove='someDirectory/* bigFile.txt'
# Remove every file that matches $toRemove
git filter-branch -f --index-filter "git rm -rf --cached --ignore-unmatch $toRemove" --prune-empty -- --all

# Rebuild the history cache (does not seem to remove big file from the git caches... maybe not required)
rm -rf .git/refs/original/ && git reflog expire --all &&  git gc --aggressive --prune


# Make a clean clone

berikv

# First install LWP
sudo cpan install LWP

# Then add some aliasses, add them to your shell's startup script
lwpOptions="-uUsSe"
alias GET="lwp-request -m GET $lwpOptions"
alias POST="lwp-request -m POST $lwpOptions"
alias HEAD="lwp-request -m HEAD $lwpOptions"

# Now use them:

berikv

// Based upon: http://stackoverflow.com/a/13839284/439096

#import <Foundation/Foundation.h>

@interface NSString (split)
@property (nonatomic, readonly) NSArray *split;
@end

berikv

Running

• Run: command+r
• Stop: command+.
• Run without building: command+control+r
• Test: command+u
• Analyse: command+shift+b
• Clean: command+shift+k
• Super-clean: command+alt+shift+k

berikv

// A factor of 0.5 means that every newValue will have a 50% impact on the average
// Usage: self.average = updateRunningAverage(self.average, newValue, 0.3);

#define updateRunningAverage(average, newValue, factor) (((newValue) * (factor)) + ((average) * (1.0 - (factor))))

berikv

//
//  UIResponder+sendAction.h
//  Berik Visschers
//
//  Created by Berik Visschers on 2013-03-22.
//  Copyright (c) 2013 Xaton. All rights reserved.
//

#import <UIKit/UIKit.h>

berikv

def wrap(angle):
    while angle > 2 * pi:
        angle -= 2 * pi
    while angle < 0:
        angle += 2 * pi
    return angle

def magnetometer_readings_to_tilt_compensated_heading(bx, by, bz, phi, theta, declinationRadians=0):
    """ Takes in raw magnetometer values, pitch and roll and turns it into a tilt-compensated heading value ranging from -pi to pi (everything in this function should be in radians).
        The correct value for declinationRadians can be found online: http://magnetic-declination.com/countries.php note that this value is in radians, not in degrees.

berikv

if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_6_1) {
   // Load resources for iOS 6.1 or earlier
} else {
   // Load resources for iOS 7 or later
}

// But only in XCode 5 

berikv

var applicationActivityIndicators = 0
extension UIApplication {
    func startActivityIndicator() {
        applicationActivityIndicators++
        UIApplication.sharedApplication().networkActivityIndicatorVisible = true
    }
    
    func stopActivityIndicator() {
        applicationActivityIndicators--
        if applicationActivityIndicators <= 0 {