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WARN Could not determine content-length of response body. Set content-length of the response or set
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165
This is a problem of Webrick.
you can use "Thin" instead.
Add this to Gemfile
gem 'thin'
t...
Python matplotlib multiple bars
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112
import matplotlib.pyplot as plt
from matplotlib.dates import date2num
import datetime
x = [
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Using module 'subprocess' with timeout
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177
In Python 3.3+:
from subprocess import STDOUT, check_output
output = check_output(cmd, stder...
Define variable to use with IN operator (T-SQL)
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14 Answers
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How to combine multiple conditions to subset a data-frame using “OR”?
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my.data.frame <- subset(data , V1 > 2 | V2 < 4)
An alternative solution that mimics the behavior of this function and would be more appropriate for inclusion within a function body:
new.data <- data[ which( data$V1 > 2 | data$V2 < 4) , ]
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Difference between Pragma and Cache-Control headers?
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Pragma is the HTTP/1.0 implementation and cache-control is the HTTP/1.1 implementation of the ...
Remove duplicate values from JS array [duplicate]
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What happens if I define a 0-size array in C/C++?
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An array cannot have zero size.
ISO 9899:2011 6.7.6.2:
If the expression is a constant expression, it shall have a value greater than zero.
The above text is true both for a plain array (paragraph 1). For a VLA (variable length array), the behavior is undefined ...
How do you make a HTTP request with C++?
...contents of a page (an API) and check the contents to see if it contains a 1 or a 0. Is it also possible to download the contents into a string?
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How do you round a number to two decimal places in C#?
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15 Answers
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