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Canvas width and height in HTML5

Is it possible to fix the width and height of an HTML5 canvas element? 4 Answers 4 ...
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Error: Can't set headers after they are sent to the client

... The res object in Express is a subclass of Node.js's http.ServerResponse (read the http.js source). You are allowed to call res.setHeader(name, value) as often as you want until you call res.writeHead(statusCode). After writeHead, the headers ar...
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Node.js: what is ENOSPC error and how to solve?

I have a problem with Node.js and uploading files to server. For uploading files to server I use this plugin . When starting file upload to the server, Node.js process crashed and show error: ...
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How to get first record in each group using Linq

... var res = from element in list group element by element.F1 into groups select groups.OrderBy(p => p.F2).First(); share | ...
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How can I access the MySQL command line with XAMPP for Windows?

How can I access the MySQL command line with XAMPP for Windows? 15 Answers 15 ...
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Can I have multiple background images using CSS?

Is it possible to have two background images? For instance, I'd like to have one image repeat across the top (repeat-x), and another repeat across the entire page (repeat), where the one across the entire page is behind the one which repeats across the top. ...
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Javascript objects: get parent [duplicate]

... is no way of knowing which object it came from. s and obj.subObj both simply have references to the same object. You could also do: var obj = { subObj: {foo: 'hello world'} }; var obj2 = {}; obj2.subObj = obj.subObj; var s = obj.subObj; You now have three references, obj.subObj, obj2.subObj, a...
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Clearing all cookies with JavaScript

How do you delete all the cookies for the current domain using JavaScript? 18 Answers ...
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C

... NOTE: All algorithms below are in C, but should be portable to your language of choice (just don't look at me when they're not as fast :) Options Low Memory (32-bit int, 32-bit machine)(from here): unsigned int reverse(register unsigned int x) { x = (((x & 0xaaaaaa...
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How do I add a password to an OpenSSH private key that was generated without a password?

I generated an OpenSSH private key using puttygen (and exported it in OpenSSH format). How can I put a password on this existing key (I know how to generate a new key with a password)? ...