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EXC_BAD_ACCESS signal received

...k is an object that you no longer have access to, and you therefore cannot call it. UPDATE: I now use Instruments to debug Leaks. From Xcode 4.2, choose Product->Profile and when Instruments launches, choose "Zombies". ...
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What is the correct file extension for GLSL shaders? [closed]

...ng which identifies the general class of a file. They should have probably called them vertex.glsl and fragment.glsl. – Autodidact Oct 11 '13 at 14:39 5 ...
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How to wait for a number of threads to complete?

...ed to convince me that doing so it better in any way when compared to just calling join on all of the threads. – carej Aug 10 '09 at 6:05  |  ...
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What is the difference between i++ and ++i?

...it would seem to me with even your answer, the second statement is categorically correct. Though he excludes a few steps. – Evan Carroll Jul 27 '10 at 18:47 20 ...
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What does “var FOO = FOO || {}” (assign a variable or an empty object to that variable) mean in Java

... var AEROTWIST = AEROTWIST || {}; Basically this line is saying set the AEROTWIST variable to the value of the AEROTWIST variable, or set it to an empty object. The double pipe || is an OR statement, and the second part of the OR is only executed if the first pa...
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Arrays, heap and stack and value types

...lled to point out that with the exception of your latter two cases, the so-called "locals" cease to be locals at compile time. The implementation raises them to the status of class members, which is the only reason they get stored on the heap. So it's merely an implementation detail (snicker). Of...
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The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communicat

...erChannel.State != System.ServiceModel.CommunicationState.Faulted) { // call service - everything's fine } else { // channel faulted - re-create your client and then try again } If it is, all you can do is dispose of it and re-create the client side proxy again and then try again ...
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Selector on background color of TextView

I'm attempting to change the background color of an Android TextView widget when the user touches it. I've created a selector for that purpose, which is stored in res/color/selector.xml and roughly looks like that: ...
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JPA and Hibernate - Criteria vs. JPQL or HQL

... dynamic queries. For example it is much easier to add some ordering dynamically or leave some parts (e.g. restrictions) out depending on some parameter. On the other hand I'm using HQL for static and complex queries, because it's much easier to understand/read HQL. Also, HQL is a bit more powerfu...
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?

... and tests whether both expressions are logically True while & (when used with True/False values) tests if both are True. In Python, empty built-in objects are typically treated as logically False while non-empty built-ins are logically True. This facilitates the ...