ajonnet’s gists

ajonnet / NSDataFromHexString.m

Last active August 29, 2015 14:02

Generates NSData instance for given hex String. Hex string is looked up from 0th index to nth index, for hex literals and accordingly NSData instance is generated.

	-(NSData ) NSDataFromHexString:(NSString ) hexstr
	{
	NSMutableData *data = [[NSMutableData alloc] init];
	NSString *inputStr = [hexstr uppercaseString];

	NSString *hexChars = @"0123456789ABCDEF";

	Byte b1,b2;
	b1 = 255;
	b2 = 255;

ajonnet / NSStringHexFormatFromNSData.m

Created June 22, 2014 09:10

Generates Hexadecimal String from given instance of NSData. ex. "0A:1B:CC"

	-(NSString ) NSStringHexFormatFromData:(NSData ) data
	{

	Byte bytes = (Byte )data.bytes;
	NSMutableString *str = [[NSMutableString alloc] init];
	for (int i =0; i<data.length; i++) {
	[str appendFormat:@"%02X",bytes[i]];

	if (i!= (data.length -1)) {
	[str appendString:@":"];

ajonnet / HideNavBar

Created July 20, 2014 12:17

IOS 7.0 Hide Navigation Bar

	//Hide the Navigation Bar
	if (self.navigationController) {
	self.navigationController.navigationBarHidden = YES;
	}

ajonnet / TrimWhiteSpaces

Created July 20, 2014 12:30

Trim WhiteSpaces from ends of String

	//Trimming WhiteSpaces from String
	NSString *str = @" String with whitespaces ";
	str = [str stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];

ajonnet / findProjectBaseDirectory

Last active March 4, 2016 06:57

Locate directory, where iPhone Simulator is storing data for an app

po NSHomeDirectory()

ajonnet / asteriskCricle

Created March 4, 2016 06:52

Function to print circle of Asterisk in Objective C

	-(void) asteriskCircleWidthRadius:(CGFloat)rad filled:(BOOL) fill border:(NSUInteger) borderW{
	borderW -= 1;
	CGFloat dia = (rad + borderW) * 2;
	CGFloat centerX,centerY;
	centerX = centerY = dia/2.0; //-1 for


	NSMutableString *op = [NSMutableString string];
	NSMutableString *opCircle = [NSMutableString string];
	[op appendString:@"\n"];

ajonnet / info.txt

Last active May 9, 2016 05:46

ViewController Callbacks

	-->ViewController Callbacks
	loadView Called
	viewDidLoad called
	ViewWillAppear called
	WillLayoutSubviews called
	DidLayoutSubviews called
	viewDidAppear called

	-->Location for XCode Plugins
	~/Library/Application Support/Developer/Shared/Xcode/Plug-ins/

ajonnet / NavCtlrBackTitleHider.h

Created April 9, 2016 11:53

NavigationController BackButton Title hider

	#import <Foundation/Foundation.h>

	@interface NavCtlrBackTitleHider : NSObject <UINavigationControllerDelegate>

	@end

ajonnet / gist:e1fa7cc93c17c2d216a18c7cbe1b28cf

Created May 28, 2016 07:41

Google Cloud Storage Sync

gsutil rsync -rd -x \.git . gs://your-bucket

ajonnet / raspiCam.pc

Created October 27, 2017 12:59

raspiCam.pc

	prefix=/usr/local
	exec_prefix=${prefix}
	libdir=${exec_prefix}/lib
	includedir=${prefix}/include
	mmalLibDir=/opt/vc/lib

	Name: raspiCam
	Description: RaspiCam library
	Version: 0.1.6
	Libs: -L${mmalLibDir} -L${exec_prefix}/lib -lraspicam -lraspicam_cv -lmmal -lmmal_core -lmmal_util

Amit Jain ajonnet