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function throttle( fn, time ) {
    var t = 0;
    return function() {
        var args = arguments, ctx = this;
        clearTimeout(t);

        t = setTimeout( function() {
            fn.apply( ctx, args );
        }, time );
    };

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Libraries

• 960 Grid System - An effort to streamline web development workflow by providing commonly used dimensions, based on a width of 960 pixels. There are two variants: 12 and 16 columns, which can be used separately or in tandem.
• Compass - Open source CSS Authoring Framework.
• Bootstrap - Sleek, intuitive, and powerful mobile first front-end framework for faster and easier web development.
• Font Awesome - The iconic font designed for Bootstrap.
• Zurb Foundation - Framework for writing responsive web sites.
• SASS - CSS extension language which allows variables, mixins and rules nesting.
• Skeleton - Boilerplate for responsive, mobile-friendly development.

Guides

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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

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make icon corner transparent
----------------------------

- select image
- Menü Auswahl -> Abgerundetes Rechteck... --> ~38 / 39
- invert selection CMD + I
- press delete 
- export image CMD + E

Bilder beschneiden

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TO SOLVE
--------
:80 already in use. change from tomcat to apache

pi itself
---------

cat [filename]
	print file
cat [filename] | less

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Create ActionSheet for iOS 7 and iOS 8
--------------------------------------
//            if( [[UIDevice currentDevice] systemVersion].doubleValue < 8.0 ){
                UIActionSheet *actionSheet = [UIActionSheet new];
                [actionSheet setTitle:prodAdFree.localizedTitle];
                [actionSheet setDelegate:self];
                [actionSheet setCancelButtonIndex:2];
                [actionSheet addButtonWithTitle:NSLocalizedString(@"Produkt kaufen", @"")];
                [actionSheet addButtonWithTitle:NSLocalizedString(@"Produkt wiederherstellen", @"")];
                [actionSheet addButtonWithTitle:NSLocalizedString(@"Abbrechen", @"")];

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/*
 *  System Versioning Preprocessor Macros
 */

#define SYSTEM_VERSION_EQUAL_TO(v)                  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
#define SYSTEM_VERSION_GREATER_THAN(v)              ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)
#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN(v)                 ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v)     ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)

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format UIDatePicker if labels background white
----------------------------------------------

NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss zzzzz"];

NSString *stringyDate = @"2014-06-02 10:10:00 +0000";
NSDate *helperDate = [dateFormatter dateFromString:stringyDate];
datePickerDueDate.date = helperDate;

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don't resize screen on TabBarController/TableView....
-----------------------------------------------------
if( [self respondsToSelector:@selector(edgesForExtendedLayout)] ) {
  self.edgesForExtendedLayout = UIRectEdgeNone;
}

turn off header
---------------
1. General --> Deployment Info --> Status Bar Style, select "Hide during application launch"
2. Info --> View controller-based status bar appearance --> NO

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Can't find references -L /../../../
-----------------------------------
Build Settings --> search for 'search' 
check: 
- Framework Search Paths
- Header Search Paths
- Library Search Paths