Amit Jain ajonnet
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.
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| -(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"
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| -(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:@":"]; |
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| //Trimming WhiteSpaces from String | |
| NSString *str = @" String with whitespaces "; | |
| str = [str stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]; |
ajonnet
/ asteriskCricle
Created
March 4, 2016 06:52
Function to print circle of Asterisk in Objective C
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| -(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
/ findProjectBaseDirectory
Last active
March 4, 2016 06:57
Locate directory, where iPhone Simulator is storing data for an app
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| po NSHomeDirectory() |
ajonnet
/ NavCtlrBackTitleHider.h
Created
April 9, 2016 11:53
NavigationController BackButton Title hider
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| -->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
/ gist:e1fa7cc93c17c2d216a18c7cbe1b28cf
Created
May 28, 2016 07:41
Google Cloud Storage Sync
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| gsutil rsync -rd -x \.git . gs://your-bucket |
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| 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 |
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