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Make Heroku run non-master Git branch
...om/articles/…
– Jon Mountjoy
Jan 30 '13 at 10:52
50
Worth noting also, when you're ready to go ...
What are the Ruby Gotchas a newbie should be warned about? [closed]
...s.
To denote floating point numbers, one must follow with a zero digit (99.0) or an explicit conversion (99.to_f). It is insufficient to append a dot (99.), because numbers are susceptible to method syntax.
Boolean evaluation of non-boolean data is strict: 0, "" and [] are all evaluated to true. In ...
Why does the JavaScript need to start with “;”?
... |
edited May 9 '14 at 20:41
SQLMason
3,1492626 silver badges3939 bronze badges
answered Mar 20 '10 at...
How to check that a string is an int, but not a double, etc.?
... about using ctype_digit?
From the manual:
<?php
$strings = array('1820.20', '10002', 'wsl!12');
foreach ($strings as $testcase) {
if (ctype_digit($testcase)) {
echo "The string $testcase consists of all digits.\n";
} else {
echo "The string $testcase does not consist of...
What is the difference between children and childNodes in JavaScript?
...dNodes.length === 1; // Contains a Text node child.
el.children.length === 0; // No Element children.
Most of the time, you want to use .children because generally you don't want to loop over Text or Comment nodes in your DOM manipulation.
If you do want to manipulate Text nodes, you probably w...
Adjusting Eclipse console size
...do you adjust the maximum lines in the console window? My program outputs 2000 lines of numbers and Eclipse truncates it so therefore I am missing some numbers.
...
Python “raise from” usage
...
240
The difference is that when you use from, the __cause__ attribute is set and the message states ...
Objective-C class -> string like: [NSArray className] -> @“NSArray”
...
306
NSString *name = NSStringFromClass ([NSArray class]);
You can even go back the other way:
Cl...
Plotting a list of (x, y) coordinates in python matplotlib
...er this example:
import numpy as np
import matplotlib.pyplot as plt
N = 50
x = np.random.rand(N)
y = np.random.rand(N)
plt.scatter(x, y)
plt.show()
will produce:
To unpack your data from pairs into lists use zip:
x, y = zip(*li)
So, the one-liner:
plt.scatter(*zip(*li))
...
How to run script as another user without password?
...
Mifeet
10.4k33 gold badges4646 silver badges8989 bronze badges
answered Aug 1 '11 at 23:47
pyroscopepyroscope...