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Android webview & localStorage
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from API description: "In order for the database storage API to function correctly, this method must be called with a path to which the application can write. " developer.android.com/reference/android/webkit/…
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How to print HTML content on click of a button, but not the page? [duplicate]
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This is interesting but when I tried it from an Angular component I didn't get the CSS applied to the new window. Also, the images don't have time to load between the write call and the print call so they don't appear until after the print dialog is done.
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In which scenario do I use a particular STL container?
...id (and pointing to the same element) regardless of what you add or remove from the container (as long as it is not the element in question).
– Mikael Persson
Apr 29 '16 at 4:22
1
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Ruby Metaprogramming: dynamic instance variable names
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You can also use send which prevents the user from setting non-existent instance variables:
def initialize(hash)
hash.each { |key, value| send("#{key}=", value) }
end
Use send when in your class there is a setter like attr_accessor for your instance variables:
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Overlaying histograms with ggplot2 in R
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where does f0 come from?
– Alan
Jun 11 at 15:58
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Calculate the date yesterday in JavaScript
...re how my use case was different and have since completely refactored away from it. So I won't be able to see.
– Zargold
Feb 11 '18 at 18:10
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npm install private github repositories by dependency in package.json
...he npm package module exists):
"dependencies" : {
"name": "*"
}
Taken from NPM docs
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Convert numpy array to tuple
...e long cuts, here is another way
tuple(tuple(a_m.tolist()) for a_m in a )
from numpy import array
a = array([[1, 2],
[3, 4]])
tuple(tuple(a_m.tolist()) for a_m in a )
The output is
((1, 2), (3, 4))
Note just (tuple(a_m.tolist()) for a_m in a ) will give a generator expresssion.
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Passing a list of kwargs?
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The ** unpacking operator can be used to pass kwargs from one function to another function's kwargs. Consider this code: (newlines don't seem to be allowed in comments) def a(**kw): print(kw), and def b(**kw): a(kw). This code will generate an error because kwargs is actually a...
Creating PHP class instance with a string
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have a look at example 3 from http://www.php.net/manual/en/language.oop5.basic.php
$className = 'Foo';
$instance = new $className(); // Foo()
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