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C++ unordered_map using a custom class type as the key

... things: A hash function; this must be a class that overrides operator() and calculates the hash value given an object of the key-type. One particularly straight-forward way of doing this is to specialize the std::hash template for your key-type. A comparison function for equality; this is require...
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How does origin/HEAD get set?

...ref in origin. git checkout <branchname> switches to that branch, and a git status will show me how far ahead or behind my branch is from origin, but I'm surprised that origin/HEAD still points at origin/master , and not origin/<branchname> ...
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What's the best practice for putting multiple projects in a git repository? [closed]

... But I have multiple projects including java projects, php scripts and Android apps projects. 3 Answers ...
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What are inline namespaces for?

...ief, succinct example of a situation where an inline namespace is needed and where it is the most idiomatic solution? 5 A...
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Could not launch process launch failed: timed out waiting for app to launch

...y check it out your target --> Build Settings --> Code signing. As @AndyDynn pointed out in his comment: Make sure you do this on the "Target" build settings and not just the "Project" build settings. share |...
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Placeholder in UITextView

...bcd's solution to allow for initialization from a Xib file, text wrapping, and to maintain background color. Hopefully it will save others the trouble. UIPlaceHolderTextView.h: #import <Foundation/Foundation.h> IB_DESIGNABLE @interface UIPlaceHolderTextView : UITextView @property (nonatomi...
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Running a Haskell program on the Android OS

...u do it is by first getting a Haskell compiler which can target C with the android NDK which comes with a GCC port for ARM architectures. JHC can trivially do this with a very small inf style file which describes the platform (word size, c-compiler, etc) I've done this with the Wii homebrew dev kit ...
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Animated GIF in IE stopping

... not work for me. After some more research I came across this workaround, and it actually does work. Here is the gist of it: function showProgress() { var pb = document.getElementById("progressBar"); pb.innerHTML = '<img src="./progress-bar.gif" width="200" height ="40"/>'; pb.s...
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How do you make an array of structs in C?

... a question about the placement between the declaration of the struct type and then actually making an instance of it - I have a different struct, one that I defined the contents of below where I first make an instance of it (just one this time, not an array), so why didn't this make the massive ser...
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How does Access-Control-Allow-Origin header work?

...ge is accessible to certain origins. (An origin is a domain, plus a scheme and port number.) By default, Site B's pages are not accessible to any other origin; using the Access-Control-Allow-Origin header opens a door for cross-origin access by specific requesting origins. For each resource/page t...