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Javascript calculate the day of the year (1 - 366)
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22 Answers
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Which selector do I need to select an option by its text?
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324
This could help:
$('#test').find('option[text="B"]').val();
Demo fiddle
This would give you...
Refreshing OAuth token using Retrofit without modifying all calls
We are using Retrofit in our Android app, to communicate with an OAuth2 secured server. Everything works great, we use the RequestInterceptor to include the access token with each call.
However there will be times, when the access token will expire, and the token needs to be refreshed. When the toke...
Execute JavaScript code stored as a string
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20 Answers
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Returning first x items from array
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274
array_slice returns a slice of an array
$sliced_array = array_slice($array, 0, 5)
is the co...
Generate random 5 characters string
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162
$rand = substr(md5(microtime()),rand(0,26),5);
Would be my best guess--Unless you're looking f...
Scatter plot and Color mapping in Python
...are setting the color based on the index, t, which is just an array of [1, 2, ..., 100].
Perhaps an easier-to-understand example is the slightly simpler
import numpy as np
import matplotlib.pyplot as plt
x = np.arange(100)
y = x
t = x
plt.scatter(x, y, c=t)
plt.show()
Note that the array you...
Why is it slower to iterate over a small string than a small list?
... closer to 70% (or more) once a lot of the overhead is removed, for Python 2.
Object creation is not at fault. Neither method creates a new object, as one-character strings are cached.
The difference is unobvious, but is likely created from a greater number of checks on string indexing, with regards...
Utilizing multi core for tar+gzip/bzip compression/decompression
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323
You can use pigz instead of gzip, which does gzip compression on multiple cores. Instead of us...