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When do you use varargs in Java?
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Varargs are useful for any method that needs to deal with an indeterminate number of objects. One good example is String.format. The format string can accept any number of parameters, so you need a mechanism to pass in any number of objects.
String.format("This is an integer: %d", m...
Failed to import new Gradle project: failed to find Build Tools revision *.0.0
...n I boot up Android Studio and select "New Project..." and go through creating a new project, I get this popup error:
14 An...
How can I view the source code for a function?
...look at the source code for a function to see how it works. I know I can print a function by typing its name at the prompt:
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...at the >= operator means more than or equal to, but I've seen => in some source code. What's the meaning of that operator?
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Why is reading lines from stdin much slower in C++ than Python?
I wanted to compare reading lines of string input from stdin using Python and C++ and was shocked to see my C++ code run an order of magnitude slower than the equivalent Python code. Since my C++ is rusty and I'm not yet an expert Pythonista, please tell me if I'm doing something wrong or if I'm mis...
How to wait for a number of threads to complete?
What is a way to simply wait for all threaded process to finish? For example, let's say I have:
13 Answers
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What is the purpose of .PHONY in a Makefile?
What does .PHONY mean in a Makefile? I have gone through this , but it is too complicated.
9 Answers
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In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
How do you organize and manage your helper objects like the database engine, user notification, error handling and so on in a PHP based, object oriented project?
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What does “zend_mm_heap corrupted” mean
All of the sudden I've been having problems with my application that I've never had before. I decided to check the Apache's error log, and I found an error message saying "zend_mm_heap corrupted". What does this mean.
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Break promise chain and call a function based on the step in the chain where it is broken (rejected)
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The reason your code doesn't work as expected is that it's actually doing something different from what you think it does.
Let's say you have something like the following:
stepOne()
.then(stepTwo, handleErrorOne)
.then(stepThree, handleErrorTwo)
.then(null, handleErrorThree);
To better unde...