edwardean

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<!-- default ordered fallback list - fallback entity has to be PostScript name -->
	<key>default</key>
	<array>
		<string>LucidaGrande</string> <!-- MAKE sure this matches the kCTFontSystemFontType in CTFontDescriptorCreateForUIType() & TDescriptorSourceImp::CreateDefaultDescriptor()! -->
		<string>AppleSymbolsFB</string>
		<string>GeezaPro</string>

edwardean

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<!-- default ordered fallback list - fallback entity has to be PostScript name -->
	<key>default</key>
	<array>
		<string>LucidaGrande</string> <!-- MAKE sure this matches the kCTFontSystemFontType in CTFontDescriptorCreateForUIType() & TDescriptorSourceImp::CreateDefaultDescriptor()! -->
		<string>AppleSymbolsFB</string>
		<string>GeezaPro</string>

edwardean

NSArray *albums = @[[Album albumWithName:@"Random Access Memories" price:9.99f],
          [Album albumWithName:@"Clarity" price:6.99f],
          [Album albumWithName:@"Weekend in America" price:7.99f],
          [Album albumWithName:@"Weekend in America" price:7.90f],
          [Album albumWithName:@"Bangarang EP" price:2.99f]];

// Reversing an Array
__unused NSArray *reversed = albums.reverseObjectEnumerator.allObjects;

// PREDICATES

edwardean

    NSURL *imageUrl;
    CGImageSourceRef imageScorce = CGImageSourceCreateWithURL((__bridge CFURLRef)imageUrl, nil);
    NSDictionary *options = @{(__bridge NSString *)kCGImageSourceCreateThumbnailFromImageIfAbsent:(id)kCFBooleanTrue,
                              (__bridge NSString *)kCGImageSourceCreateThumbnailWithTransform:(id)kCFBooleanTrue,
                              (__bridge NSString *)kCGImageSourceThumbnailMaxPixelSize:@128};
    CFRelease(imageScorce);
    
    CGImageRef thumbImageRef = CGImageSourceCreateThumbnailAtIndex(imageScorce, 0, (__bridge CFDictionaryRef)options);
    NSURL *targetUrl;
    CGImageDestinationRef destinationRef = CGImageDestinationCreateWithURL((__bridge CFURLRef)targetUrl, kUTTypeJPEG, 1, nil);

edwardean

#import <objc/runtime.h>

#define AtomicRetainedSetToFrom(dest, source) \
objc_setProperty(self, _cmd, (ptrdiff_t)(&dest) - (ptrdiff_t)(self), source, YES, false)

#define AtomicCopiedSetToFrom(dest, source) \
objc_setProperty(self, _cmd, (ptrdiff_t)(&dest) - (ptrdiff_t)(self), source, true, true)

#define AtomicAutoreleaseGet(source) \
objc_getProperty(self, _cmd, (ptrdiff_t)(&source) - (ptrdiff_t)(self), true)

edwardean

lipo -create "1.a" "2.a" -output “new.a"合并多个静态库为一个

$ lipo -info libProprietary.a查看某个静态库的架构   -detailed_info更详细的信息

$ lipo -thin armv6 libProprietary.a -output libProprietary-armv6.a
将一个多架构的.a拆分成单个架构

$ ar -t libProprietary-armv6.a  查看静态库的对象文件

ar -x libProprietary-armv6.a 将一个静态库解压缩成多个.o文件

edwardean

CATransition *animation = [CATransitionanimation];
animation.duration = 0.5;
animation.type = kCATransitionFade;
animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
[self.navigationController.navigationBar.layer addAnimation: animation forKey: @"changeTextTransition"];
self.title = title;

edwardean

UINavigationBar：
self.navigationController.navigationBar setTranslucent:NO];
[navigationBar setBackgroundImage:[UIImage imageNamed:@“NavigaionBarBackground”] forBarPosition:UIBarPositionAny barMetrics:UIBarMetricsDefault];
[navigationBar setShadowImage:[UIImage new]];

UIToolBar:
ToolBar.clipToBounds = YES;

edwardean

- (UIImage *)captureScrollView:(UIScrollView *)scrollView{
    UIImage* image = nil;
    UIGraphicsBeginImageContext(scrollView.contentSize);
    {
        CGPoint savedContentOffset = scrollView.contentOffset;
        CGRect savedFrame = scrollView.frame;
        scrollView.contentOffset = CGPointZero;
        scrollView.frame = CGRectMake(0, 0, scrollView.contentSize.width, scrollView.contentSize.height);

        [scrollView.layer renderInContext: UIGraphicsGetCurrentContext()];

edwardean

+ (void)load {
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        Class class = [self class];
        SEL viewDidLoadOriginalSelector = @selector(viewDidLoad);
        SEL viewDidLoadswizzledSelector = @selector(set_webViewControllerViewDidLoad);
        Method viewDidLoadOriginalMethod = class_getInstanceMethod(class, viewDidLoadOriginalSelector);
        Method viewDidLoadSwizzledMethod = class_getInstanceMethod(class, viewDidLoadswizzledSelector);
        BOOL didAddMethod = class_addMethod(class, viewDidLoadOriginalSelector,
                                            method_getImplementation(viewDidLoadSwizzledMethod),