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When should I use C++14 automatic return type deduction?
...d, we have a compiler that supports automatic return type deduction, part of C++14. With -std=c++1y , I can do this:
7 An...
How do you test functions and closures for equality?
The book says that "functions and closures are reference types". So, how do you find out if the references are equal? == and === don't work.
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How do you pass a function as a parameter in C?
I want to create a function that performs a function passed by parameter on a set of data. How do you pass a function as a parameter in C?
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Kill a Process by Looking up the Port being used by it from a .BAT
In Windows what can look for port 8080 and try to kill the process it is using through a .BAT file?
14 Answers
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Algorithm to return all combinations of k elements from n
I want to write a function that takes an array of letters as an argument and a number of those letters to select.
71 Answe...
How do I change screen orientation in the Android emulator?
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Ctrl+F12 is the keyboard shortcut.
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UIView frame, bounds and center
...uestion I asked has been seen many times I will provide a detailed answer of it. Feel free to modify it if you want to add more correct content.
First a recap on the question: frame, bounds and center and theirs relationships.
Frame A view's frame (CGRect) is the position of its rectangle in the s...
Using curl to upload POST data with files
... use cURL to not only send data parameters in HTTP POST but to also upload files with specific form name. How should I go about doing that ?
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Read and overwrite a file in Python
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If you don't want to close and reopen the file, to avoid race conditions, you could truncate it:
f = open(filename, 'r+')
text = f.read()
text = re.sub('foobar', 'bar', text)
f.seek(0)
f.write(text)
f.truncate()
f.close()
The...
Rename multiple files based on pattern in Unix
There are multiple files in a directory that begin with prefix fgh , for example:
22 Answers
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