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How to connect to Mysql Server inside VirtualBox Vagrant?
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126
Make sure MySQL binds to 0.0.0.0 and not 127.0.0.1 or it will not be accessible from outside t...
How to specify Composer install path?
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140
It seems that you can define the vendor dir to be something else (plugins in your case):
{
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python plot normal distribution
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216
import matplotlib.pyplot as plt
import numpy as np
import scipy.stats as stats
import math
mu ...
Rails detect if request was AJAX
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edited Jul 10 '15 at 16:46
answered Nov 22 '11 at 1:08
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Sequence contains more than one element
... This method will only succeed when the collections contains exactly 0 or 1 element. I believe you are looking for FirstOrDefault which will succeed no matter how many elements are in the collection.
share
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How to test multiple variables against a value?
...bout the same comparison for all names here. You are looking for:
if x == 1 or y == 1 or z == 1:
x and y are otherwise evaluated on their own (False if 0, True otherwise).
You can shorten that using a containment test against a tuple:
if 1 in (x, y, z):
or better still:
if 1 in {x, y, z}:
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How are multi-dimensional arrays formatted in memory?
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147
A static two-dimensional array looks like an array of arrays - it's just laid out contiguously...
How to convert index of a pandas dataframe into a column?
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either:
df['index1'] = df.index
or, .reset_index:
df.reset_index(level=0, inplace=True)
so, if you have a multi-index frame with 3 levels of index, like:
>>> df
val
tick tag obs
2016-02-26...
How do I get Flask to run on port 80?
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