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R apply function with multiple parameters

I have a function f(var1, var2) in R. Suppose we set var2 = 1 and now I want to apply the function f() to the list L . Basically I want to get a new list L* with the outputs ...
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Do I need dependency injection in NodeJS, or how to deal with …?

...eaddirSync method or you can return an entirely different module when you call require. Method 1: var oldmethod = fs.readdirSync; fs.readdirSync = function(dir) { return ['somefile.txt', 'error.txt', 'anotherfile.txt']; }; *** PERFORM TEST *** *** RESTORE METHOD AFTER TEST **** fs.readddirS...
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Backbone.js: get current route

... hashchange events or pushState, match the appropriate route, and trigger callbacks. You shouldn't ever have to create one of these yourself — you should use the reference to Backbone.history that will be created for you automatically if you make use of Routers with routes. [...]" If you need the...
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Composer killed while updating

I got a problem, I tried to install a new package to my Laravel 4 project. But when I run php composer.phar update I get this: ...
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Python: How to ignore an exception and proceed? [duplicate]

I have a try...except block in my code and When an exception is throw. I really just want to continue with the code because in that case, everything is still able to run just fine. The problem is if you leave the except: block empty or with a #do nothing, it gives you a syntax error. I can't use con...
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jQuery Validate Plugin - Trigger validation of single field

I've got a form that can optionally be pre-populated via facebook connect. Once a user connects, their name and email are automatically filled in. The problem is that this doesn't trigger the remote validation to check if the email already exists. ...
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Changing the image source using jQuery

... Yes. This finally did the trick. .destroy() doesn't go nearly far enough. Nuking all the html and than init again actually works when swapping out images of various sizes and such. – Matt J. Apr 11 '...
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Chrome Dev Tools: How to trace network for a link that opens a new tab?

...e://net-export in the latest version of Chrome) for a detailed overview of all network events happening in your browser. Other possible solution, depending on your specific problem, may be to enable 'Preserve log' on the 'Network' tab: and force all links to open in the same tab by executing ...
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Where are $_SESSION variables stored?

...ariable storage is determined by PHP's session.save_path configuration. Usually this is /tmp on a Linux/Unix system. Use the phpinfo() function to view your particular settings if not 100% sure by creating a file with this content in the DocumentRoot of your domain: <?php phpinfo(); ?> ...
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How to convert ActiveRecord results into an array of hashes

...d objects to Ruby Hashes despite its name tasks_records = TaskStoreStatus.all tasks_records = tasks_records.as_json # You can now add new records and return the result as json by calling `to_json` tasks_records << TaskStoreStatus.last.as_json tasks_records << { :task_id => 10, :sto...