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Learn C first before learning Objective-C [closed]

Being an aspiring Apple developer, I want to get the opinions of the community if it is better to learn C first before moving into Objective-C and ultimately the Cocoa Framework? ...
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Check if an apt-get package is installed and then install it if it's not on Linux

...follow | edited Aug 19 '09 at 6:39 answered Aug 19 '09 at 6:27 ...
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How to extract text from a PDF? [closed]

...d in pre-known regions of the document, so the API will need to give us positional information of each element on the page. ...
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How are virtual functions and vtable implemented?

... virtual table for a class irrespective of the number of virtual functions it contains. This virtual table in turn contains the base addresses of one or more virtual functions of the class. At the time when a virtual function is called on an object, the vptr of that object provides the base address ...
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Mocking member variables of a class using Mockito

I am a newbie to development and to unit tests in particular . I guess my requirement is pretty simple, but I am keen to know others thoughts on this. ...
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Advantages to Using Private Static Methods

...age on this: After you mark the methods as static, the compiler will emit non-virtual call sites to these members. Emitting non-virtual call sites will prevent a check at runtime for each call that ensures that the current object pointer is non-null. This can result in a measurable performance g...
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Static nested class in Java, why?

I was looking at the Java code for LinkedList and noticed that it made use of a static nested class, Entry . 14 Answers ...
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How does JavaScript .prototype work?

I'm not that into dynamic programming languages but I've written my fair share of JavaScript code. I never really got my head around this prototype-based programming, does any one know how this works? ...
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Does Python have “private” variables in classes?

... It's cultural. In Python, you don't write to other classes' instance or class variables. In Java, nothing prevents you from doing the same if you really want to - after all, you can always edit the source of the class itsel...
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Is there an interactive way to learn Vim? [closed]

...arn Vim that didn't involve a wall of text, or scrolling through vimtutor without knowing the commands to do so. I wondered if anything else existed for such a purpose. ...