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Printing a variable memory address in swift
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Swift 2
This is now part of the standard library: unsafeAddressOf.
/// Return an UnsafePointer to the storage used for `object`. There's
/// not much you can do with this other than use it to identify the
/// object
Swift 3
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How do I run all Python unit tests in a directory?
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With Python 2.7 and higher you don't have to write new code or use third-party tools to do this; recursive test execution via the command line is built-in. Put an __init__.py in your test directory and:
python -m unittest discover <...
Does a UNIQUE constraint automatically create an INDEX on the field(s)?
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edited Dec 16 '19 at 16:23
informatik01
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How do I explicitly instantiate a template function?
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2 Answers
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What makes JNI calls slow?
...omething that can take tens of nanoseconds. For trivial native methods, in 2010 I measured calls at an average 40 ns on my Windows desktop, and 11 ns on my Mac desktop. Unless you're making many calls, you're not going to notice.
That said, calling a native method can be slower than making a normal...
How do I move files in node.js?
...ath_callback
fs.rename(oldPath, newPath, callback)
Added in: v0.0.2
oldPath <String> | <Buffer>
newPath <String> | <Buffer>
callback <Function>
Asynchronous rename(2). No arguments other than a possible exception
are given to the completion callback.
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Nginx Different Domains on Same IP
I would like to host 2 different domains in the same server using nginx.
I redirected both domains to this host via @ property. Although I configure 2 different server blocks, whenever I try to access second domain, it redirects to first one.
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How can I create tests in Android Studio?
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12 Answers
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Most simple but complete CMake example
...mmands is the following syntax:
<function-name>(<arg1> [<arg2> ...]) without comma or semicolor. Each argument is a string. foobar(3.0) and foobar("3.0") is the same. you can set lists/variables with set(args arg1 arg2). With this variable set foobar(${args}) and foobar(arg1 arg2)...
Casting to string in JavaScript
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217
They do behave differently when the value is null.
null.toString() throws an error - Cannot ...