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How to free memory in Java?

Is there a way to free memory in Java, similar to C's free() function? Or is setting the object to null and relying on GC the only option? ...
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Setting up two different static directories in node.js Express framework

Is it possible? I would like to set up two different directories to serve static files. Let's say /public and /mnt 4 Answer...
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Deserialize JSON with C#

...t.Serialization.JavaScriptSerializer().Deserialize<Friends>(json); foreach(var item in facebookFriends.data) { Console.WriteLine("id: {0}, name: {1}", item.id, item.name); } Produces: id: 518523721, name: ftyft id: 527032438, name: ftyftyf id: 527572047, name: ftgft id: 531141884, name...
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What's the best way to add a drop shadow to my UIView

...hWithRect:view.bounds]; view.layer.masksToBounds = NO; view.layer.shadowColor = [UIColor blackColor].CGColor; view.layer.shadowOffset = CGSizeMake(0.0f, 5.0f); view.layer.shadowOpacity = 0.5f; view.layer.shadowPath = shadowPath.CGPath; First of all: The UIBezierPath used as shadowPath is crucial. ...
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How to join strings in Elixir?

... to join some arbitrary list: "StringA" <> " " <> "StringB" or just use string interpolation: "#{a} #{b}" If your list size is arbitrary: Enum.join(["StringA", "StringB"], " ") ... all of the solutions above will return "StringA StringB" ...
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Creating a URL in the controller .NET MVC

... Followup: For the second to last parameter (the RouteValueDictionary) here is an example: new System.Web.Routing.RouteValueDictionary(new { id = 1 }) – Matthew M. Mar 23 '10 at 5:49 ...
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When and why I should use session_regenerate_id()?

...ace the current session ID with a new one, and keep the current session information. What does it do? It mainly helps prevent session fixation attacks. Session fixation attacks is where a malicious user tries to exploit the vulnerability in a system to fixate (set) the session ID (SID) of another us...
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How do I use floating-point division in bash?

... @Shevin VAR=$(echo "scale=2; $IMG_WIDTH/$IMG2_WIDTH" | bc) or VAR=$(bc <<<"scale=2;$IMG_WIDTH/$IMG2_WIDTH") without $(( )) (double parentheses) ; which is expanded by the bash before executing command – Nahuel Fouilleul Oct 4 '12 at 7:3...
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How to template If-Else structures in data-bound views?

...this type of code. with an if/ifnot combination like you are now. This works fine and is not terribly verbose. Michael Best's switch/case binding (https://github.com/mbest/knockout-switch-case) is quite flexible and can let you easily handle this and more complicated ones (more states than true/f...
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Node.js check if file exists

...', function(exists) { if (exists) { // do something } }); // or if (path.existsSync('foo.txt')) { // do something } For Node.js v0.12.x and higher Both path.exists and fs.exists have been deprecated *Edit: Changed: else if(err.code == 'ENOENT') to: else if(err.code ===...