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In AngularJS, what's the difference between ng-pristine and ng-dirty?
... edited May 23 '17 at 12:34
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answered Aug 6 '13 at 6:44
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In Python, how do I create a string of n characters in one line of code?
..._val = "x" * 10 # gives you "xxxxxxxxxx"
And if you want something more complex, like n random lowercase letters, it's still only one line of code (not counting the import statements and defining n):
from random import choice
from string import ascii_lowercase
n = 10
string_val = "".join(choice...
How do I apply a perspective transform to a UIView?
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Set markers for individual points on a line in Matplotlib
...h an example of marking an arbitrary subset of points, as requested in the comments:
import numpy as np
import matplotlib.pyplot as plt
xs = np.linspace(-np.pi, np.pi, 30)
ys = np.sin(xs)
markers_on = [12, 17, 18, 19]
plt.plot(xs, ys, '-gD', markevery=markers_on)
plt.show()
This last example u...
Android Studio rendering problems
... @Keda87 No, I did not get any version in drop-down until I was able to compile project successfully.
– TheVillageIdiot
Dec 9 '14 at 9:57
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GLib compile error (ffi.h), but libffi is installed
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Note that if you are cross-compiling glib on a 64bit system for 32bit then you need to install libffi-dev:i386. It wasn't obvious to me. :)
– Björn Lindqvist
May 29 '15 at 10:31
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Is there a difference between single and double quotes in Java?
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Using a BOOL property
Apple recommends to declare a BOOL property this way:
3 Answers
3
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How can I dynamically create derived classes from a base class
...ce = classes[name](...)
And if your design absolutely needs the names to come in scope,
just do the same, but use the dictionary returned by the globals()
call instead of an arbitrary dictionary:
name = "SpecialClass"
globals()[name] = ClassFactory(name, params)
instance = SpecialClass(...)
(I...
Count the occurrences of DISTINCT values
... correct answer for the question, I would like to make a correction on her comment to avoid leading new people astray. If you leave off the "group by" in a MySQL query, you don't get [Mike, 1], [Mike, 1], you get a single result which will be the name on the FIRST row returned, and a count of numb...