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JavaScript get clipboard data on paste event (Cross browser)

... The situation has changed since writing this answer: now that Firefox has added support in version 22, all major browsers now support accessing the clipboard data in a paste event. See Nico Burns's answer for an example. In the p...
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How to make a SPA SEO crawlable?

...wlable by google based on google's instructions . Even though there are quite a few general explanations I couldn't find anywhere a more thorough step-by-step tutorial with actual examples. After having finished this I would like to share my solution so that others may also make use of it and poss...
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Run php script as daemon process

I need to run a php script as daemon process (wait for instructions and do stuff). cron job will not do it for me because actions need to be taken as soon as instruction arrives. I know PHP is not really the best option for daemon processes due to memory management issues, but due to various reasons...
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Java: difference between strong/soft/weak/phantom reference

I have read this article about the topic, but I don't really understand it. Please give me some advice along with examples when describing the concepts. ...
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TortoiseGit not showing icon overlays

I have been using TortoiseGit for almost a full year now. It has been working very well for me until yesterday, when I encountered a problem. I was deleting a folder when Windows Explorer sort of crashed on me (it hung on "discovering items") for over an hour, then I restarted the system. ...
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When is memoization automatic in GHC Haskell?

... GHC does not memoize functions. It does, however, compute any given expression in the code at most once per time that its surrounding lambda-expression is entered, or at most once ever if it is at top level. Determining where the lambda-expressions are can...
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Undefined reference to static class member

... need to actually define the static member somewhere (after the class definition). Try this: class Foo { /* ... */ }; const int Foo::MEMBER; int main() { /* ... */ } That should get rid of the undefined reference. shar...
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Django templates: verbose version of a choice

...the field. Note: in case the standard FormPreview templates are not using it, then you can always provide your own templates for that form, which will contain something like {{ form.get_meal_display }}. share | ...
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PHP array delete by value (not key)

... unset($messages[$key]); } array_search() returns the key of the element it finds, which can be used to remove that element from the original array using unset(). It will return FALSE on failure, however it can return a false-y value on success (your key may be 0 for example), which is why the str...
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Using Core Data, iCloud and CloudKit for syncing and backup and how it works together

...nd backup data. The app will not store any files just data in a database. It is going to be iOS 8 and up so I am able to use CloudKit. I did some research and still not clear on how Core Data, iCloud and CloudKit work together. ...