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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);
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Good geometry library in python? [closed]
...follow
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edited Jul 27 '14 at 16:42
BoshWash
4,60244 gold badges2020 silver badges4343 bronze badges
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How can I delete a newline if it is the last character in a file?
I have some files that I'd like to delete the last newline if it is the last character in a file. od -c shows me that the command I run does write the file with a trailing new line:
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Why must wait() always be in synchronized block
We all know that in order to invoke Object.wait() , this call must be placed in synchronized block, otherwise an IllegalMonitorStateException is thrown. But what's the reason for making this restriction? I know that wait() releases the monitor, but why do we need to explicitly acquire the mon...
Make Iframe to fit 100% of container's remaining height
I want to design a web page with a banner and an iframe. I hope the iframe can fill all the remaining page height and be resized automatically as the browser is resizing. Is it possible to get it done without writing JavaScript code, only with CSS?
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What is the use of interface constants?
...mplementing that interface) is a bad practice and there is even a name for it, the Constant Interface Antipattern, see Effective Java, Item 17:
The constant interface pattern is a poor use of interfaces. That a class uses some constants internally is an implementation detail. Implementing a cons...
Convert java.util.Date to java.time.LocalDate
...Instant().atZone(ZoneId.systemDefault()).toLocalDate();
Explanation
Despite its name, java.util.Date represents an instant on the time-line, not a "date". The actual data stored within the object is a long count of milliseconds since 1970-01-01T00:00Z (midnight at the start of 1970 GMT/UTC).
The...
What is the easiest way to make a C++ program crash?
I'm trying to make a Python program that interfaces with a different crashy process (that's out of my hands). Unfortunately the program I'm interfacing with doesn't even crash reliably! So I want to make a quick C++ program that crashes on purpose but I don't actually know the best and shortest way ...
Can't operator == be applied to generic types in C#?
...e compiler can't make that assumption.
However, this will compile because it is more explicit:
bool Compare<T>(T x, T y) where T : class
{
return x == y;
}
Follow up to additional question, "But, in case I'm using a reference type, would the the == operator use the pred...
Why is “final” not allowed in Java 8 interface methods?
...esign goal is interface evolution, not "turn interfaces into (mediocre) traits". While there's some overlap between the two, and we tried to be accommodating to the latter where it didn't get in the way of the former, these questions are best understood when viewed in this light. (Note too that cl...