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How to convert CFStringRef to NSString?

...reviously retained using retain will result in a reference count underflow error. PS: can't seem to comment on Peter Hosey's answer - sorry for adding my own unnecessarily. share | improve this a...
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python design patterns [closed]

...nd the primitive Null value. This object just eats the lack of attribute error, and you can avoid checking for their existence. It's nothing more than class Null(object): def __init__(self, *args, **kwargs): "Ignore parameters." return None def __call__(self, *args, **k...
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Determining the size of an Android view at runtime

I am trying to apply an animation to a view in my Android app after my activity is created. To do this, I need to determine the current size of the view, and then set up an animation to scale from the current size to the new size. This part must be done at runtime, since the view scales to differe...
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Array extension to remove object by value

However, I get an error on var index = find(self, object) 15 Answers 15 ...
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XMLHttpRequest status 0 (responseText is empty)

...rdo I have readyState=4 and status=0 and the server is not running but the error's alert is showed me fast....how much time passes for "request time out"? – user11751709 Dec 21 '19 at 16:39 ...
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Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()

...ough the docs..the problem is...fixedThreadPool is causing a out of memory error @ 3 threads.. where as cachedPool is internally creating only a single thread..on increasing the heap size i am getting the same performance for both..is there anything else i am missing!! – hakis...
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Exiting from python Command Line

... Seems like this method doesn't work if the script ran into an error. – blaylockbk Dec 6 '16 at 20:55 2 ...
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Why Maven uses JDK 1.6 but my java -version is 1.7

...That doesn't work if maven is running using java 6. It just crashes with [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project {projectname}: Fatal error compiling: invalid target release: 1.7 -> [Help 1] – Ga...
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how to use javascript Object.defineProperty

...f not true, the property is read only; attempt to write is ignored without error*! Both descriptors can have these members: configurable - default false; if not true, the property can't be deleted; attempt to delete is ignored without error*! enumerable - default false; if true, it will be iter...
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How to get first element in a list of tuples?

... I tried it. It gives this error: int() argument must be a string or a number, not 'QuerySet' – wasimbhalli Aug 27 '12 at 12:50 4 ...