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Validating email addresses using jQuery and regex
...not too sure how to do this. I need to validate email addresses using regex with something like this:
10 Answers
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iPhone: How to switch tabs with an animation?
...ally in a tab bar driven application using UITabBarController.selectedIndex . The problem I'm trying to solve is how to animate the transition between the views. ie. from the view of the current tab to the view of the selected tab.
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Update statement with inner join on Oracle
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That syntax isn't valid in Oracle. You can do this:
UPDATE table1 SET table1.value = (SELECT table2.CODE
FROM table2
WHERE table1.value = table2.DESC)
WHERE table1....
Xcode 5.1 - No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=i
After updating to Xcode 5.1, I can no longer build my project for the 64-bit simulator, receiving this error:
18 Answers
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What exactly does big Ө notation represent?
...t the algorithm is both big-O and big-Omega in the given function.
For example, if it is Ө(n), then there is some constant k, such that your function (run-time, whatever), is larger than n*k for sufficiently large n, and some other constant K such that your function is smaller than n*K for suffi...
How to run functions in parallel?
...is reason, multiprocessing is generally a better bet.
Here is a complete example:
from multiprocessing import Process
def func1():
print 'func1: starting'
for i in xrange(10000000): pass
print 'func1: finishing'
def func2():
print 'func2: starting'
for i in xrange(10000000): pass
pri...
Why does installing Nokogiri on Mac OS fail with libiconv is missing?
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How can I plot separate Pandas DataFrames as subplots?
... matplotlib, and then plot the dataframes on a specific subplot using the ax keyword. For example for 4 subplots (2x2):
import matplotlib.pyplot as plt
fig, axes = plt.subplots(nrows=2, ncols=2)
df1.plot(ax=axes[0,0])
df2.plot(ax=axes[0,1])
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Here axes is an array which holds the different su...
Python: What OS am I running on?
What do I need to look at to see whether I'm on Windows or Unix, etc?
25 Answers
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In CoffeeScript how do you append a value to an Array?
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Good old push still works.
x = []
x.push 'a'
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