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Rails: call another controller action from a controller
...use a redirect to that action :
redirect_to your_controller_action_url
More on : Rails Guide
To just render the new action :
redirect_to your_controller_action_url and return
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What is an “unwrapped value” in Swift?
I'm learning Swift for iOS 8 / OSX 10.10 by following this tutorial , and the term " unwrapped value " is used several times, as in this paragraph (under Objects and Class ):
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git diff two files on same branch, same commit
sorry if this question exists, I surprisingly could not find it :/
6 Answers
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Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...n make real JNI calls into native code that contains special instructions for CAS
read more about CAS here http://en.wikipedia.org/wiki/Compare-and-swap
The sun.misc.Unsafe functionality of the host VM can be used to allocate uninitialized objects and then interpret the constructor invocation as an...
Get jQuery version from inspecting the jQuery object
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You can use either $().jquery; or $.fn.jquery which will return a string containing the version number, e.g. 1.6.2.
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Redefining NULL
I'm writing C code for a system where address 0x0000 is valid and contains port I/O. Therefore, any possible bugs that access a NULL pointer will remain undetected and at the same time cause dangerous behaviour.
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Node.js create folder or use existing
...le.
$ npm install mkdirp
Use it to run function that requires the directory. Callback is called after path is created or if path did already exists. Error err is set if mkdirp failed to create directory path.
var mkdirp = require('mkdirp');
mkdirp('/tmp/some/path/foo', function(err) {
// p...
TypeError: unhashable type: 'dict'
This piece of code is giving me an error unhashable type: dict can anyone explain me what is the solution
2 Answers
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How to remove local (untracked) files from the current Git working tree
How do you delete untracked local files from your current working tree?
38 Answers
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Threads vs Processes in Linux
...I am suspicious, because it seems like threads could give a pretty big performance gain in some situations.
14 Answers
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