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What is the usefulness of `enable_shared_from_this`?
...gling reference when the object is deleted.
enable_shared_from_this has become part of C++ 11 standard. You can also get it from there as well as from boost.
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Delete directory with files in it?
...oo. Its mainly useful for explode()ing a path taken from the OS. alanhogan.com/tips/php/directory-separator-not-necessary
– ReactiveRaven
Jul 16 '12 at 23:47
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Non greedy (reluctant) regex matching in sed?
...hing for anything except the separator until the separator :
echo "http://www.suon.co.uk/product/1/7/3/" | sed -n 's;\(http://[^/]*\)/.*;\1;p'
Output:
http://www.suon.co.uk
this is:
don't output -n
search, match pattern, replace and print s/<pattern>/<replace>/p
use ; search comm...
Can't connect Nexus 4 to adb: unauthorized
...have a Nexus 4 with Android 4.3 and I am trying to connect the device to a computer with Windows 7 64bit.
26 Answers
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What is the difference between active and passive FTP?
...data channel and continue.
More details are available in the RFC: https://www.ietf.org/rfc/rfc959.txt
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How to write asynchronous functions for Node.js
...})
});
}
async function your_function() {
var json = await ajax_call('www.api-example.com/some_data', 'GET');
console.log(json); // { status: 200, data: ... }
}
Bottom line: leverage the power of Promises.
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How is an overloaded method chosen when a parameter is the literal null value?
...e:
String x = null;
The String overload here is chosen because the Java compiler picks the most specific overload, as per section 15.12.2.5 of the JLS. In particular:
The informal intuition is that one method is more specific than another if any invocation handled by the first method could be...
Calculating frames per second in a game
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edited Oct 5 '15 at 16:01
answered Sep 17 '08 at 20:33
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How do you copy the contents of an array to a std::vector in C++ without looping?
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Drew HallDrew Hall
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Run batch file as a Windows service
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NSSM is totally free and hyper-easy, running command prompt / terminal as administrator:
nssm install "YourCoolServiceNameLabel"
then a dialog will appear so you can choose where is the file you want to run.
to uninstall
nssm remove "YourCoolServiceNameLabel"
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