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List of Big-O for PHP functions
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ERROR:'keytool' is not recognized as an internal or external command, operable program or batch file
When i use the command
26 Answers
26
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How to check that an object is empty in PHP?
...empty"; // JSON: {}
}
else
{
echo "Object has properties";
}
Source: http://php.net/manual/en/language.oop5.object-comparison.php
Edit: added example
$one = new stdClass();
$two = (object)array();
var_dump($one == new stdClass()); // TRUE
var_dump($two == new stdClass()); // TRUE
var_dump($...
push_back vs emplace_back
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A nice code for the push_back and emplace_back is shown here.
http://en.cppreference.com/w/cpp/container/vector/emplace_back
You can see the move operation on push_back and not on emplace_back.
share
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Trim trailing spaces in Xcode
...l via homebrew-cask:
brew cask install swimat
Download the App directly:
https://github.com/Jintin/Swimat/releases/download/v1.3.5/Swimat.zip
Clone extension branch and archive to Mac App.
Usage
Once installed, you can run Swimat in Xcode via Editor -> Swimat -> Format.
...
Is there a way to detach matplotlib plots so that the computation can continue?
...lotlib.pyplot import plot, draw, show
plot([1,2,3])
draw()
print('continue computation')
# at the end call show to ensure window won't close.
show()
Using interactive mode:
from matplotlib.pyplot import plot, ion, show
ion() # enables interactive mode
plot([1,2,3]) # result shows immediatelly (imp...
How to fix Array indexOf() in JavaScript for Internet Explorer browsers
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There is Mozilla official solution:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf
(function() {
/**Array*/
// Production steps of ECMA-262, Edition 5, 15.4.4.14
// Reference: http://es5.github.io/#x1...
Difference between ProcessBuilder and Runtime.exec()
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What are some uses of template template parameters?
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167
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“is” operator behaves unexpectedly with integers
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@WoodrowBarlow: The -5 is just a heuristic to capture common negative placeholders, I think. 0..255 covers arrays of single byte values. It’s 256 that’s mysterious, but I guess it’s for (dis)assembling integers into/from bytes.
– Davis Herring
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