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Why would you use an ivar?

...s have memorized how to call a hidden accessor dynamically (as long as we know the name…). Meanwhile, most of us have not memorized how to properly access ivars which aren't visible (beyond KVC). The class continuation helps, but it does introduce vulnerabilities. This workaround's obvious: if ([o...
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Equivalent of “throw” in R

... There's even more OO now. :) – Iterator Nov 1 '11 at 20:32 3 ...
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How to set a Header field on POST a form?

...arser. an example: res.cookie('token', "xyz....", { httpOnly: true }); Now you can access this : app.get('/',function(req, res){ var token = req.cookies.token }); Note that httpOnly:true ensures that the cookie is usually not accessible manually or through javascript and only browser can ac...
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Client on node: Uncaught ReferenceError: require is not defined

...s because require() does not exist in the browser/client-side JavaScript. Now you're going to have to make some choices about your client-side JavaScript script management. You have three options: Use <script> tag. Use a CommonJS implementation. Synchronous dependencies like Node.js Use a...
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Do I have to Close() a SQLConnection before it gets disposed?

...d be they won't change that behaviour simply because it's what people have now come to expect. – user593806 Jan 2 '13 at 11:12 add a comment  |  ...
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time.sleep — sleeps thread or process?

... quite weird to me. And I meant 11 (not 5), sorry can't correct my comment now. I actually need some help understanding what point this answer is trying to make. – akki Aug 1 '17 at 5:55 ...
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Java: Integer equals vs. ==

...s I'm going to encounter, the value would be under 127. Good to catch this now though for the 5% where it isn't. – Jeremy Goodell Sep 3 '10 at 17:36 1 ...
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PHP: How to check if image file exists?

...if it is a file then you should use is_file together with file_exists to know if there is really a file behind the path, otherwise file_exists will return true for any existing path. Here is the function i use : function fileExists($filePath) { return is_file($filePath) && file_...
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What is Angular.noop used for?

... I think I got it now. So what we are doing here is displayError is triggered on failure but nothing happens on success(as suggested). – Harsh Mar 12 '14 at 10:33 ...
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Git Push into Production (FTP)

I would like to know if there is an easy way to push a GIT repository into production (on a FTP server) ? Thanks 15 Answers...