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Can I embed a custom font in an iPhone application?
I would like to have an app include a custom font for rendering text, load it, and then use it with standard UIKit elements like UILabel . Is this possible?
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Difference between GIT and CVS
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The main difference is that (as it was already said in other responses) CVS is (old) centralized version control system, while Git is distributed.
But even if you use version control for single developer, on single machine (single...
How to iterate through two lists in parallel?
I have two iterables in Python, and I want to go over them in pairs:
8 Answers
8
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How to check if an array value exists?
How can I check if $something['say'] has the value of 'bla' or 'omg' ?
12 Answers
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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?
I'm having a hard time wrapping my brain around PEP 380 .
8 Answers
8
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How to iterate over rows in a DataFrame in Pandas
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DataFrame.iterrows is a generator which yields both the index and row (as a Series):
import pandas as pd
import numpy as np
df = pd.DataFrame({'c1': [10, 11, 12], 'c2': [100, 110, 120]})
for index, row in df.iterrows():
print(row['c1'], row['c2'])
10 100
11 110
12 120
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Fast check for NaN in NumPy
I'm looking for the fastest way to check for the occurrence of NaN ( np.nan ) in a NumPy array X . np.isnan(X) is out of the question, since it builds a boolean array of shape X.shape , which is potentially gigantic.
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Different bash prompt for different vi editing mode?
When using vi mode (set -o vi) with Bash, it would be nice to have a prompt that depends on the mode you are currently in (insert or command). How does one find out this editing mode?
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How do I test if a variable is a number in Bash?
...: Not a number" >&2; exit 1
fi
If the value is not necessarily an integer, consider amending the regex appropriately; for instance:
^[0-9]+([.][0-9]+)?$
...or, to handle numbers with a sign:
^[+-]?[0-9]+([.][0-9]+)?$
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Check if value exists in Postgres array
Using Postgres 9.0, I need a way to test if a value exists in a given array. So far I came up with something like this:
7 A...