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How to convert floats to human-readable fractions?
...ational approximation to given real number
** David Eppstein / UC Irvine / 8 Aug 1993
**
** With corrections from Arno Formella, May 2008
**
** usage: a.out r d
** r is real number to approx
** d is the maximum denominator allowed
**
** based on the theory of continued fractions
** if x = a1 + 1...
how to check if List element contains an item with a Particular Property Value
...
189
If you have a list and you want to know where within the list an element exists that matches a ...
It is more efficient to use if-return-return or if-else-return?
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8 Answers
8
Active
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Converting a column within pandas dataframe from int to string
...t('AB'))
In [17]: df
Out[17]:
A B
0 0 1
1 2 3
2 4 5
3 6 7
4 8 9
In [18]: df.dtypes
Out[18]:
A int64
B int64
dtype: object
Convert a series
In [19]: df['A'].apply(str)
Out[19]:
0 0
1 2
2 4
3 6
4 8
Name: A, dtype: object
In [20]: df['A'].apply(str)[0]
Out[...
How to fix the uninitialized constant Rake::DSL problem on Heroku?
...ant Rake::DSL
– David
Jun 20 '11 at 8:05
2
I got the error deploying to Heroku, which today pulle...
Troubleshooting “Illegal mix of collations” error in mysql
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edited Feb 28 '18 at 12:41
Sae1962
1,0201212 silver badges2727 bronze badges
answered Jun ...
Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”
...nal
Write or paste in: defaults write org.R-project.R force.LANG en_US.UTF-8
Close Terminal (including any RStudio window)
Start R
For someone runs R in a docker environment (under root), try to run R with below command,
LC_ALL=C.UTF-8 R
# instead of just `R`
...
Java: how can I split an ArrayList in multiple small ArrayLists?
...
18 Answers
18
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What is the best collation to use for MySQL with PHP? [closed]
...ng characters in the language) and performance. The only special one is utf8_bin which is for comparing characters in binary format.
utf8_general_ci is somewhat faster than utf8_unicode_ci, but less accurate (for sorting). The specific language utf8 encoding (such as utf8_swedish_ci) contain additi...
Detect Windows version in .net
... | Win32Windows | 4 | 0 |
| Windows 98 | Win32Windows | 4 | 10 |
| Windows Me | Win32Windows | 4 | 90 |
| Windows NT 4.0 | Win32NT | 4 | 0 ...