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Save image from URL by paperclip

...cture = open(url) end end Then simply : user.picture_from_url "http://www.google.com/images/logos/ps_logo2.png" share | improve this answer | follow | ...
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How to write asynchronous functions for Node.js

...}) }); } async function your_function() { var json = await ajax_call('www.api-example.com/some_data', 'GET'); console.log(json); // { status: 200, data: ... } } Bottom line: leverage the power of Promises. share ...
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Determining Whether a Directory is Writeable

What would be the best way in Python to determine whether a directory is writeable for the user executing the script? Since this will likely involve using the os module I should mention I'm running it under a *nix environment. ...
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Difference between InvariantCulture and Ordinal string comparison

When comparing two strings in c# for equality, what is the difference between InvariantCulture and Ordinal comparison? 9 An...
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Check if a string contains an element from a list (of strings)

... 10 Answers 10 Active ...
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Convert string to nullable type (int, double, etc…)

I am attempting to do some data conversion. Unfortunately, much of the data is in strings, where it should be int's or double, etc... ...
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In Python, how do you convert a `datetime` object to seconds?

Apologies for the simple question... I'm new to Python... I have searched around and nothing seems to be working. 10 Answer...
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How can I remove specific rules from iptables?

I am hosting special HTTP and HTTPS services on the ports 8006 and 8007 respectively. I use iptables to "activate" the server; i.e. to route the incoming HTTP and HTTPS ports: ...
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Get the client's IP address in socket.io

...IO in a Node.js server, is there an easy way to get the IP address of an incoming connection? I know you can get it from a standard HTTP connection, but socket.io is a bit of a different beast. ...
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Remove a fixed prefix/suffix from a string in Bash

In my bash script I have a string and its prefix/suffix. I need to remove the prefix/suffix from the original string. 9 A...