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Do I need a content-type header for HTTP GET requests?

... sender. If a Content-Type header field is not present, the recipient MAY either assume a media type of "application/octet-stream" ([RFC2046], Section 4.5.1) or examine the data to determine its type. It means that the Content-Type HTTP header should be set only for PUT and POST requests. ...
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How to restart Activity in Android

How do I restart an Android Activity ? I tried the following, but the Activity simply quits. 21 Answers ...
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NPM global install “cannot find module”

... empty, and running npm install --global --verbose promised-io showed that it was installing into /opt/lib/node_modules/promised-io: [root@uberneek ~]# npm install --global --verbose promised-io npm info it worked if it ends with ok npm verb cli [ '/opt/bin/node', npm verb cli '/opt/bin/npm', npm...
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Using Rails 3.1, where do you put your “page specific” JavaScript code?

...f your JavaScript gets merged into 1 file. Rails does this by default when it adds //= require_tree . to the bottom of your application.js manifest file. ...
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subtract two times in python

I have two datetime.time values, exit and enter and I want to do something like: 9 Answers ...
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Wrap a delegate in an IEqualityComparer

Several Linq.Enumerable functions take an IEqualityComparer<T> . Is there a convenient wrapper class that adapts a delegate(T,T)=>bool to implement IEqualityComparer<T> ? It's easy enough to write one (if your ignore problems with defining a correct hashcode), but I'd like to know...
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Better way to check if a Path is a File or a Directory?

I am processing a TreeView of directories and files. A user can select either a file or a directory and then do something with it. This requires me to have a method which performs different actions based on the user's selection. ...
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How to build & install GLFW 3 and use it in a Linux project

... a very long time, about 3 hours in total, partly because I am unfamiliar with CMake, and partly because I am was unfamiliar with GLFW. ...
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What is the role of the bias in neural networks? [closed]

I'm aware of the gradient descent and the back-propagation algorithm. What I don't get is: when is using a bias important and how do you use it? ...
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How to link a Facebook app with an existing fan page

... landing pages for apps , how do I get my app to point to the Fan page for it's landing page? 7 Answers ...