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Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
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Numbers
[...Array(5).keys()];
=> [0, 1, 2, 3, 4]
Character iteration
String.fromCharCode(...[...Array('D'.charCodeAt(0) - 'A'.charCodeAt(0) + 1).keys()].map(i => i + 'A'.charCodeAt(0)));
=> "ABCD"
Iteration
for (const x of Array(5).keys()) {
co...
Java synchronized static methods: lock on object or class
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edited Nov 1 '16 at 8:02
Ravindra babu
39.4k77 gold badges201201 silver badges180180 bronze badges
a...
How does Dijkstra's Algorithm and A-Star compare?
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answered Aug 26 '09 at 5:18
leizleiz
3,63622 gold badges2020 silver badges1616 bronze badges
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Remove rows with all or some NAs (missing values) in data.frame
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1080
Also check complete.cases :
> final[complete.cases(final), ]
gene hsap mmul m...
Setting different color for each series in scatter plot on matplotlib
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280
I don't know what you mean by 'manually'. You can choose a colourmap and make a colour array ea...
How to model type-safe enum types?
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answered Aug 24 '09 at 11:07
skaffmanskaffman
374k9292 gold badges779779 silver badges744744 bronze badges
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How to print color in console using System.out.println?
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605
If your terminal supports it, you can use ANSI escape codes to use color in your output. It gen...
std::vector performance regression when enabling C++11
...ck(Item());)
$ g++ -std=c++11 -O3 -flto regr.cpp && perf stat -r 10 ./a.out
Performance counter stats for './a.out' (10 runs):
35.426793 task-clock # 0.986 CPUs utilized ( +- 1.75% )
4 context-switches # 0.116 K/sec ...
Find integer index of rows with NaN in pandas dataframe
...MultiIndex that you can use to index back into df, e.g.:
df['a'].ix[index[0]]
>>> 1.452354
For the integer index:
df_index = df.index.values.tolist()
[df_index.index(i) for i in index]
>>> [3, 6]
share...
Moving matplotlib legend outside of the axis makes it cutoff by the figure box
...plt
import numpy as np
plt.gcf().clear()
x = np.arange(-2*np.pi, 2*np.pi, 0.1)
fig = plt.figure(1)
ax = fig.add_subplot(111)
ax.plot(x, np.sin(x), label='Sine')
ax.plot(x, np.cos(x), label='Cosine')
ax.plot(x, np.arctan(x), label='Inverse tan')
handles, labels = ax.get_legend_handles_labels()
lgd =...