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Nested attributes unpermitted parameters

... Seems there is a change in handling of attribute protection and now you must whitelist params in the controller (instead of attr_accessible in the model) because the former optional gem strong_parameters became part of the Rails Core. This should look something like this: class PeopleCo...
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Unique (non-repeating) random numbers in O(1)?

...er at the position r with the number at position max and return the number now at position max. Decrement max by 1 and continue. When max is 0, set max back to the size of the array - 1 and start again without the need to reinitialize the array. Update: Although I came up with this method on my o...
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difference between Product Backlog Item and Feature in Team Foundation work item types

...klog Item and then break it down into tasks for your sprint. If you think/know that the new work item won't fit into a single sprint you should create a Feature and identify all the value-providing sprint sized items (Product Backlog Items) that the Feature can be broken down into and use these when...
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How can I replace a newline (\n) using sed?

...need the \n to find what you're looking for. Since GNU sed version 3.02.80 now supports this syntax: sed '/start/,+4d' # to delete "start" plus the next 4 lines, in addition to the traditional '/from here/,/to there/{...}' range addresses, it may be possible to avoid the use of \n ent...
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Detect URLs in text with JavaScript

...erflow.com'; var html = urlify(text); console.log(html) // html now looks like: // "Find me at <a href="http://www.example.com">http://www.example.com</a> and also at <a href="http://stackoverflow.com">http://stackoverflow.com</a>" So in sum try: $$('#pad dl dd'...
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Has anyone used Coffeescript for a production application? [closed]

... About the Con', now with Source-Maps that isn't really an issue anymore, just compile with -m and you're good. – omeid Jun 7 '13 at 8:12 ...
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A simple scenario using wait() and notify() in java

...this (other than the standard thread safety concerns) is due to something known as a missed signal. An example of this, is that a thread may call put() when the queue happens to be full, it then checks the condition, sees that the queue is full, however before it can block another thread is schedu...
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++someVariable vs. someVariable++ in JavaScript

...crement the variable; the value of the expression is the original value" Now when used as a standalone statement, they mean the same thing: x++; ++x; The difference comes when you use the value of the expression elsewhere. For example: x = 0; y = array[x++]; // This will get array[0] x = 0; y...
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Passing parameters to a Bash function

...; in bash, it does not). As such, its use decreases clarity to anyone who knows, and might expect, the ksh behavior. See wiki.bash-hackers.org/scripting/obsolete – Charles Duffy Feb 28 '18 at 21:31 ...
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How to convert std::string to NSString?

...ncoding might sometimes be needed when interpreting user documents with unknown encodings, in the absence of other hints. This encoding should be used rarely, if at all. Note that some potential values here might result in unexpected encoding conversions of even fairly straightforward NSString cont...