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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
...ad_register() allows you to register multiple functions (or static methods from your own Autoload class) that PHP will put into a stack/queue and call sequentially when a "new Class" is declared.
So for example:
spl_autoload_register('myAutoloader');
function myAutoloader($className)
{
$path...
How to plot multiple functions on the same figure, in Matplotlib?
...
To plot multiple graphs on the same figure you will have to do:
from numpy import *
import math
import matplotlib.pyplot as plt
t = linspace(0, 2*math.pi, 400)
a = sin(t)
b = cos(t)
c = a + b
plt.plot(t, a, 'r') # plotting t, a separately
plt.plot(t, b, 'b') # plotting t, b separately ...
Color in git-log
...13), you can use %C(auto) to decorate %d in the format string of git log.
From the release notes:
* "git log --format" specifier learned %C(auto) token that tells Git
to use color when interpolating %d (decoration), %h (short commit
object name), etc. for terminal output.)
...
Multiline bash commands in makefile
...ig difference if you sometimes want to copy the script and run it directly from a shell prompt. You can wreak havoc on your shell instance by declaring variables, and especially modifying state with set, inside of {}. () prevents the script from modifying your environment, which is probably prefer...
How do I pipe a subprocess call to a text file?
...object or a file descriptor. The first is the default, stdout is inherited from the parent (your script). The second allows you to pipe from one command/process to another. The third and fourth are what you want, to have the output written to a file.
You need to open a file with something like open...
WPF Timer Like C# Timer
...rpret. Far better is var timer = new DispatcherTimer { Interval = TimeSpan.FromSeconds(1) };
– Jim Balter
Jun 20 '17 at 5:11
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git push to specific branch
...ite my git push command. As mentioned in the question link, it's not clear from the documentation.
4 Answers
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Replace a value if null or undefined in JavaScript
...le on JavaScript, though browser support is limited. According to the data from caniuse, only 48.34% of browsers are supported (as of April 2020).
According to the documentation,
The nullish coalescing operator (??) is a logical operator that
returns its right-hand side operand when its left...
When do we need to set ProcessStartInfo.UseShellExecute to True?
...utput by doing process.Arguments= "cmd /c dir >c:\\crp\\a.a". Likewise from a run dialog box you can do cmd /c dir>c:\crp\a.a
– barlop
Apr 24 '16 at 22:51
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How to get string width on Android?
...t = new Paint();
paint.setTextSize(20);
Typeface typeface = Typeface.createFromAsset(getAssets(), "Helvetica.ttf");
paint.setTypeface(typeface);
paint.setColor(Color.BLACK);
paint.setStyle(Paint.Style.FILL);
Rect result = new Rect();
paint.getTextBounds(str, 0, str.length(), result);
Log.i("Text di...