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How to get the separate digits of an int number?
I have numbers like 1100, 1002, 1022 etc. I would like to have the individual digits, for example for the first number 1100 I want to have 1, 1, 0, 0.
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how to convert array values from string to int?
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552
You can achieve this by following code,
$integerIDs = array_map('intval', explode(',', $string)...
C++11 reverse range-based for-loop
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234
Actually Boost does have such adaptor: boost::adaptors::reverse.
#include <list>
#incl...
Integrating MySQL with Python in Windows
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127
Download page for python-mysqldb. The page includes binaries for 32 and 64 bit versions of for ...
Difference between map, applymap and apply methods in Pandas
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Straight from Wes McKinney's Python for Data Analysis book, pg. 132 (I highly recommended this book):
Another frequent operation is applying a function on 1D arrays to each column or row. DataFrame’s apply method does exactly this:
In [116]: frame = DataFrame(np.random.randn(4, 3), ...
How to jump from Intellij terminal to editor with shortcut
...ould be nice since I can jump from my editor to the terminal with Alt + F12 but I cannot do it the other way without using my mouse.
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JavaScript equivalent to printf/String.Format
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How to find where a method is defined at runtime?
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422
This is really late, but here's how you can find where a method is defined:
http://gist.github...
Reorder levels of a factor without changing order of values
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121
Use the levels argument of factor:
df <- data.frame(f = 1:4, g = letters[1:4])
df
# f g
#...