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Using curl to upload POST data with files

I would like to use cURL to not only send data parameters in HTTP POST but to also upload files with specific form name. How should I go about doing that ? ...
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How to check if a string contains a substring in Bash

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In Clojure, when should I use a vector over a list, and the other way around?

I read that Vectors are not seqs, but Lists are. I'm not sure what the rationale is for using one over the other. It seems that vectors are used the most, but is there a reason for that? ...
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NGINX to reverse proxy websockets AND enable SSL (wss://)?

I'm so lost and new to building NGINX on my own but I want to be able to enable secure websockets without having an additional layer. ...
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Which .NET Dependency Injection frameworks are worth looking into? [closed]

Which C#/.NET Dependency Injection frameworks are worth looking into? And what can you say about their complexity and speed. ...
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Why does Java's hashCode() in String use 31 as a multiplier?

Per the Java documentation, the hash code for a String object is computed as: 13 Answers ...
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Allow user to select camera or gallery for image

What I'm trying to do seems very simple, but after a few days of searching I can't quite figure it out. 17 Answers ...
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Do I need to disable NSLog before release Application?

When releasing an app for iPhone, if I disable NSLog(); will it perform better? 12 Answers ...
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How do I run a node.js app as a background service?

Since this post has gotten a lot of attention over the years, I've listed the top solutions per platform at the bottom of this post. ...
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Javascript seconds to minutes and seconds

This is a common problem but I'm not sure how to solve it. The code below works fine. 27 Answers ...