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Class with Object as a parameter
...izeof__', '__str__', '__subclasshook__', '__weakref__']
Also, properties and super do not work with classic classes.
In Python2 it is a good idea to make all classes new-style classes. (Though a lot of classes in the standard library are still classic classes, for the sake of backward-compatibili...
Default argument values in JavaScript functions [duplicate]
...ined') a = 10;
if (typeof(b)==='undefined') b = 20;
//your code
}
and then you can call it like func(); to use default parameters.
Here's a test:
function func(a, b){
if (typeof(a)==='undefined') a = 10;
if (typeof(b)==='undefined') b = 20;
alert("A: "+a+"\nB: "+b);
}
//testing
...
How to zero pad a sequence of integers in bash so that all have the same width?
...speaking, seq supports a subset of the format chars. that printf supports (and that subsets includes g, but not d). The behavior of characters d and g differs subtly in that d interprets 0-prefixed numbers strings as octal numbers and converts them to decimal, whereas g treats them as decimals. (@Ed...
Adding a legend to PyPlot in Matplotlib in the simplest manner possible
...
Add a label= to each of your plot() calls, and then call legend(loc='upper left').
Consider this sample (tested with Python 3.8.0):
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 20, 1000)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, "-b", ...
Does Java have a HashMap with reverse lookup?
...okup in both directions. Is there a name for this type of data structure, and is anything like this included in Java's standard libraries? (or maybe Apache Commons?)
...
XPath: select text node
... the top, html element. You probably want /html//text() . Some knowledge and understanding of XPath is typically required in order to construct XPath expressions.
– Dimitre Novatchev
Jun 3 '15 at 21:51
...
NerdTree - Reveal file in tree
... @MrA you can just only create the NERDTree with the NERDTreeFind command - is that enough?
– Thomas
Jun 23 '13 at 19:56
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Connect to a locally built Jekyll Server using mobile devices in the LAN
After using jekyll serve on one machine, a WEBrick server is set up and the site can be accessed from localhost:4000 on this particular PC.
...
You have already activated X, but your Gemfile requires Y
... all the time, you could set up an alias or function in your shell for commands you commonly use with Bundler. For example this is what I use for Rake:
$ type bake
bake is a function
bake ()
{
bundle exec rake "$@"
}
...
RootViewController Switch Transition Animation
...his approach, it worked partially, the thing is my app shall only stay in landscape mode, but by doing rootviewcontroller transition, the newly-presented view controller is loaded in portrait at the beginning, and quickly rotate to landscape mode, how to solve that?
– Chris Che...