cybersamx

- (UIImageView *)createSnapshotFromView:(UIView *view) {
  UIGraphicsBeginImageContextWithOptions(view.bounds.size, YES, 0.0f);
  CGContextRef context = UIGraphicsGetCurrentContext();
  [view.layer renderInContext:context];
  UIImage *snapshotImage = UIGraphicsGetImageFromCurrentImageContext();
  UIGraphicsEndImageContext();

  return [[UIImageView alloc] initWithImage:snapshotImage];
}

cybersamx

// 1. Create a PNG background image.
// 2. Use UIEdgeInsets to stretch the image eg. 8.0f left and right of rect to remain unstretched
// 3. Make sure the UIButton height is the same as the image height

UIImage *image = [UIImage imageNamed:@"button_background_blue.png"];
UIEdgeInsets insets = UIEdgeInsetsMake(0.0f, 8.0f, 0.0f, 8.0f);
UIImage *stretchedImage = [image resizableImageWithCapInsets:insets];

[self.button setBackgroundImage:stretchedImage forState:UIControlStateNormal];
  

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// Create nested subviews. self.view > subview1 > subview2

UIView *subview1 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 20, 20, 300, 300);
[self.view addSubview:subview1];
UIView *subview2 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 30, 30, 200, 200);
[superview addSubview:subview2];

// To find the coordinate of subview in the view controller view coordinate system.
CGPoint point = [subview1 convertPoint:subview2.frame.origin toView:self.view];

cybersamx

[dateFormatter setDateFormat:@"E, d M y"];                  // Output: Sun, 1 5 2011
[dateFormatter setDateFormat:@"EE, dd MM yy"];              // Output: Sun, 01 05 11
[dateFormatter setDateFormat:@"EEE, ddd MMM yyy"];          // Output: Sun, 001 May 2011
[dateFormatter setDateFormat:@"EEEE, dddd MMMM yyyy"];      // Output: Sunday, 0001 May 2011
[dateFormatter setDateFormat:@"EEEEE, ddddd MMMMM yyyyy"];  // Output: S, 00001 M 2011

// Common date format specifiers
//
// y = year
// Q = quarter

cybersamx

// 3 ways to inject custom AngularJS controller to a Jasmine test spec.

// Method 1
describe('myNameSpace.controllers', function() {
  describe('MyController', function() {
    var scope, createController;

    beforeEach(module('myNameSpace.controllers'));

    beforeEach(inject(function($injector) {

cybersamx

// 2 ways to inject custom service to a Jasmine test spec.

// Method 1
describe('myNameSpace.services', function() {
  describe('MyService', function() {
    var createService;

    beforeEach(inject(function() {      
      var $injector = angular.injector(['myNameSpace.services'])

cybersamx

// Simple AngularJS directive
var directives = angular.module('myNameSpace.directives', []);

directives.directive('directive', function() {
  var directive = {};

  directive.restrict = 'E'; // Indicates an element directive.
  directive.template = 'Hello World';

  return directive;

cybersamx

// Simple custom filer
var filters = angular.module('myNameSpace.filters', []);

filters.filter('reverse', function() {
  return function(text) {
    return text.split('').reverse().join('');
  };
});

// 2 ways to test

cybersamx

-- List of all databases
\list

-- Connect to database
\c MyDatabase

-- List of tables and relations
\dt

-- Schema of a table

cybersamx

# Find the remote origin
git remote show origin
git config --get remote.origin.url

# Describe the git repo (only works if there're tags added to the repo)
# Output: [nearest_tag_name]-[number_of_commits]-g[commit_identifier]
git describe

# List of tags
git tag                       # List of local tags