pyanfield

- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string
{
    
    NSString *currentStr;
    if ((range.length == 0 && string.length > 0) || (range.length > 0 && string.length > 0)) {
        // add the characters to textfield
        NSString *firstHalfStr = [textField.text substringToIndex:range.location];
        NSString *lastHalfStr = [textField.text substringFromIndex:(range.location + range.length)];
        currentStr = [NSString stringWithFormat:@"%@%@%@",firstHalfStr,string,lastHalfStr];

pyanfield

NSArray *array  = [[NSHTTPCookieStoragesharedHTTPCookieStorage] cookiesForURL:[NSURLURLWithString:HOST]];
for (NSHTTPCookie *cookie in array) {
    for (NSString *key in cookie.properties) {
        Logger(@">>>>> cookie key : %@,  >>>>>>  %@",key,cookie.properties[key]);
    }
}

pyanfield

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath 
{
    Contact* contact = [self.contacts objectAtIndex:indexPath.row];
    UITableViewCell *cell = nil;
    static NSString *cellId = @"Cell";
    cell = (UITableViewCell*)[tableView dequeueReusableCellWithIdentifier:cellId];
    if (cell == nil) {
        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellId] autorelease];
    }
    UILabel *firstLabel = [[UILabel alloc] initWithFrame:CGRectZero];

pyanfield

// src : file's url
// file : file's name on the disk
// return : file's path on the disk

- (NSString*)catchFileFrom:(NSString*)src toFile:(NSString*)file
{
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *filePath = [NSString stringWithFormat:@"%@/%@", [paths objectAtIndex:0],file];
    
    NSURL *url = [NSURL URLWithString:src];

pyanfield

-(BOOL)dataIsValidJPEG:(NSData *)data
{
    if (!data || data.length < 2) return NO;
    
    NSInteger totalBytes = data.length;
    const char *bytes = (const char*)[data bytes];
    
    return (bytes[0] == (char)0xff &&
            bytes[1] == (char)0xd8 &&
            bytes[totalBytes-2] == (char)0xff &&

pyanfield

// information comes from http://stackoverflow.com/questions/3339722/how-to-check-ios-version

//-------------------------------------
// you can use this in your code
if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_6_1) {
   // Load resources for iOS 6.1 or earlier
} else {
   // Load resources for iOS 7 or later
}

pyanfield

- (BOOL) gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
{
    if ([gestureRecognizer isEqual:self.tapRecognizer]) {
        // for ios 7 , need to compare with UITableViewCellContentView
        if ([NSStringFromClass([touch.view class]) isEqualToString:@"UITableViewCellContentView"] || [touch.view.superview isKindOfClass:[UITableViewCell class]]) {
            return FALSE;
        }
    }
    return TRUE;
}

pyanfield

Alcatraz The package manager for Xcode.

https://github.com/supermarin/Alcatraz
curl -fsSL https://raw.github.com/supermarin/Alcatraz/master/Scripts/install.sh | sh

FuzzyAutocompletePlugin A Xcode 5 plugin that adds more flexible autocompletion rather than just prefix-matching.

KSImageNamed-Xcode Xcode plug-in that provides autocomplete for imageNamed: calls.

SCXcodeMiniMap is a plugin that adds a source editor MiniMap to Xcode.

pyanfield

Mac软件

---

homebrew-cask

cask是基于homebrew的扩展命令，直接通过命令行去安装Mac的各种软件。免去之前通过下载链接下载DMG文件，然后拖动到Applitions目录，这种手动的安装方法。如果配置一部新的Mac机器，主要安装了cask，通过一个脚本就安装把用到软件一一安装上去，可以节约很多时间。

安装homebrew-cask之前要先安装一下几个软件：

• Command Line Tools
• homebrew

pyanfield

// ios 7 or later
  UIImage *icon = [[UIImage imageNamed:@"icon"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
  UIBarButtonItem *iconItem = [[UIBarButtonItem alloc] initWithImage:icon style:UIBarButtonItemStylePlain target:self action:@selector(iconEvent)];
 
// before ios 6
  UIImage *icon = [UIImage imageNamed:@"icon"];
  UIButton *iconBtn = [UIButton buttonWithType:UIButtonTypeCustom];
  [iconBtn addTarget:self action:@selector(iconEvent) forControlEvents:UIControlEventTouchUpInside];
  iconBtn.bounds = CGRectMake( 0, 0, icon.size.width, icon.size.height );
  [iconBtn setImage:icon forState:UIControlStateNormal];