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Most efficient way to increment a Map value in Java
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A little research in 2016: https://github.com/leventov/java-word-count, benchmark source code
Best results per method (smaller is better):
time, ms
kolobokeCompile 18.8
koloboke 19.8
trove 20.8
fastutil 22...
Retrieving Property name from lambda expression
...y benefits, among them is that this is done at compile time, not runtime.
https://msdn.microsoft.com/en-us/magazine/dn802602.aspx
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Is delete this allowed?
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The C++ FAQ Lite has a entry specifically for this
https://isocpp.org/wiki/faq/freestore-mgmt#delete-this
I think this quote sums it up nicely
As long as you're careful, it's OK for an object to commit suicide (delete this).
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What's the difference between HEAD^ and HEAD~ in Git?
...D~ is well described by the illustration (by Jon Loeliger) found on http://www.kernel.org/pub/software/scm/git/docs/git-rev-parse.html.
This documentation can be a bit obscure to beginners so I've reproduced that illustration below:
G H I J
\ / \ /
D E F
\ | / \
\ | / ...
Random string generation with upper case letters and digits
...case + string.digits, k=N))
A cryptographically more secure version; see https://stackoverflow.com/a/23728630/2213647:
''.join(random.SystemRandom().choice(string.ascii_uppercase + string.digits) for _ in range(N))
In details, with a clean function for further reuse:
>>> import string...
Where is svcutil.exe in Windows 7?
...ual Studio version.
e.g. Developer Command Prompt for VS 2015
More here https://msdn.microsoft.com/en-us/library/ms229859(v=vs.110).aspx
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Make Font Awesome icons in a circle?
...ox-shadow: 0px 0px 2px #888;
padding: 0.5em 0.6em;
}
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
<i class="fa fa-wrench"></i>
JsFiddle of old answer: http://fiddle.jshell.net/4LqeN/
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How to bind inverse boolean properties in WPF?
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I would recommend using https://quickconverter.codeplex.com/
Inverting a boolean is then as simple as:
<Button IsEnabled="{qc:Binding '!$P', P={Binding IsReadOnly}}" />
That speeds the time normally needed to write converters.
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How to identify numpy types in python?
...couraged if it's not intuitive or easy, it's a pain at first.
See also:
- https://docs.scipy.org/doc/numpy-1.15.1/reference/arrays.dtypes.html
- https://github.com/machinalis/mypy-data/tree/master/numpy-mypy
>>> import numpy as np
>>> np.ndarray
<class 'numpy.ndarray'>
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Command to remove all npm modules globally?
...stall `ls -1 node_modules | tr '/\n' ' '`
Added bonus? it's way faster!
https://github.com/npm/npm/issues/10187
How do you uninstall all dependencies listed in package.json (NPM)?
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