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Is there a way to iterate over a dictionary?

...ere you need a key in order to get a value . But how can I iterate over all keys and values in a NSDictionary , so that I know what keys there are, and what values there are? I know there is something called a for-in-loop in JavaScript . Is there something similar in Objective-C ? ...
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How can I specify working directory for popen

...wd, import os and define cwd using this: os.path.dirname(os.path.realpath(__file__)) share | improve this answer | follow | ...
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File name? Path name? Base name? Naming standard for pieces of a path

...rams: A) C:\users\OddThinking\Documents\My Source\Widget\foo.src Vim calls it file root (:help filename-modifiers) B) C:\users\OddThinking\Documents\My Source\Widget\foo.src file name or base name C) C:\users\OddThinking\Documents\My Source\Widget\foo.src (without dot) file/name ext...
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Difference between addSubview and insertSubview in UIView class

...array then add in View'slayer - (void)addSubview:(UIView *)subview { [_subviews addObject:subview]; [_layer addSublayer:subview.layer]; } } 2.While insertSubview add your view as subview then call [_layer insertSublayer:subview.layer atIndex:index]; - (void)insertSubview:(UIView *)subv...
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Argparse optional positional arguments?

I have a script which is meant to be used like this: usage: installer.py dir [-h] [-v] 3 Answers ...
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Is there a wikipedia API just for retrieve content summary?

...epresents a kind of gamification of the traditional Q&A site or forum. All user-generated content is licensed under a Creative Commons Attribute-ShareAlike license. Questions are closed in order to allow low quality questions to improve. Jeff Atwood stated in 2010 that duplicate questions are no...
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What are the differences between delegates and events?

... the delegate from resetting the delegate and its invocation list and only allows adding or removing targets from the invocation list. share | improve this answer | follow ...
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How do I pass the this context to a function?

... Javascripts .call() and .apply() methods allow you to set the context for a function. var myfunc = function(){ alert(this.name); }; var obj_a = { name: "FOO" }; var obj_b = { name: "BAR!!" }; Now you can call: myfunc.ca...
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How to minify php page html output?

...b.com/mrclay/minify HTML Tell Apache to deliver HTML with GZip - this generally reduces the response size by about 70%. (If you use Apache, the module configuring gzip depends on your version: Apache 1.3 uses mod_gzip while Apache 2.x uses mod_deflate.) Accept-Encoding: gzip, deflate Content-Encodi...
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How can I measure the speed of code written in PHP? [closed]

How can I say which class of many (which all do the same job) execute faster? is there a software to measure that? 10 Answe...