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Expression Versus Statement

...something") was enshrined in syntax: one kind of phrase was an expression, and another was a statement, and the parser could tell them apart. Designers of later languages blurred the distinction: they allowed syntactic expressions to do things, and they allowed syntactic statements that had values....
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Post Build exited with code 1

... She had a space in one of the folder names in her path, and no quotes around it. share | improve this answer | follow | ...
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How to add a jar in External Libraries in android studio

I am new to Android Studio. What I need to do is add a few jar files in the External Libraries below the < JDK > folder. ...
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std::function and std::bind: what are they, and when should they be used?

I know what functors are and when to use them with std algorithms, but I haven't understood what Stroustrup says about them in the C++11 FAQ . ...
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Python function overloading

...what you want in python. Why Not Overloading? First, one needs to understand the concept of overloading and why it's not applicable to python. When working with languages that can discriminate data types at compile-time, selecting among the alternatives can occur at compile-time. The act o...
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Xcode stuck at “Your application is being uploaded”

... from Xcode to the App Store. I have done everything regarding my project, and its running fine on my iPhone and iPad. But when I submit my project I am facing a huge problem. ...
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What does value & 0xff do in Java?

... not quite. The &amp; operator works on long values as well, if either operand is a long. But not on byte. See the Java Language Specification, sections 15.22.1 and 5.6.2. share | improve this answe...
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Why use bzero over memset?

...ucts, like sock_addr_in , or char buffers (that we used to send data back and forth between client and server) the professor instructed us to only use bzero and not memset to initialize them. He never explained why, and I'm curious if there is a valid reason for this? ...
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How to unit test a Node.js module that requires other modules and how to mock the global require fun

...a very simple api which allows resolving the module you are trying to test and pass along mocks/stubs for its required modules in one simple step. @Raynos is right that traditionally you had to resort to not very ideal solutions in order to achieve that or do bottom-up development instead Which is...
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What is the relative performance difference of if/else versus switch statement in Java?

... That's micro optimization and premature optimization, which are evil. Rather worry about readabililty and maintainability of the code in question. If there are more than two if/else blocks glued together or its size is unpredictable, then you may high...