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Checking if a string can be converted to float in Python

I've got some Python code that runs through a list of strings and converts them to integers or floating point numbers if possible. Doing this for integers is pretty easy ...
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sed: print only matching group

...the last two numbers (one int, one float; followed by optional whitespace) and print only them. 5 Answers ...
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How to draw vertical lines on a given plot in matplotlib?

... The standard way to add vertical lines that will cover your entire plot window without you having to specify their actual height is plt.axvline import matplotlib.pyplot as plt plt.axvline(x=0.22058956) plt.axvline(x=0.33088437) p...
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WAMP 403 Forbidden message on Windows 7

... me too. Though in my case I had to first "Put offline", then "Put online" and worked without any other changes to my config files! Thank you!! – Osmar Apr 18 '16 at 3:59 1 ...
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Android studio: new project vs new module

Android Studio uses the concept of modules , whereas other IDEs like Eclipse use projects . However AS File menu has the option to create a New Module as well as a new Project . ...
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Fastest way to remove first char in a String

...foo" instead of "//foo". The first option needs a bit more work to understand than the third - I would view the Substring option as the most common and readable. (Obviously each of them as an individual statement won't do anything useful - you'll need to assign the result to a variable, possibly d...
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Float vs Decimal in ActiveRecord

...ation defines floats in binary format. Basically, it stores sign, fraction and exponent to represent a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly. That's why there is a Decimal for...
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How do I measure request and response times at once using cURL?

... have a web service that receives data in JSON format, processes the data, and then returns the result to the requester. 14...
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Calculate last day of month in JavaScript

...efox 2.0.0.17: Thu Jan 31 2008 00:00:00 GMT-0600 (Canada Central Standard Time) Firefox 3.0.3: Thu Jan 31 2008 00:00:00 GMT-0600 (Canada Central Standard Time) Google Chrome 0.2.149.30: Thu Jan 31 2008 00:00:00 GMT-0600 (Canada Central Standard Time) Safari for Windows 3.1.2: Thu ...
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How to split/partition a dataset into training and test datasets for, e.g., cross validation?

What is a good way to split a NumPy array randomly into training and testing/validation dataset? Something similar to the cvpartition or crossvalind functions in Matlab. ...