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Accessing an array out of bounds gives no error, why?

...defined Behavior. There is a lot that is not specified by the language standard, for a variety of reasons. This is one of them. In general, whenever you encounter undefined behavior, anything might happen. The application may crash, it may freeze, it may eject your CD-ROM drive or make demons com...
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How to resize images proportionally / keeping the aspect ratio?

I have images that will be quite big in dimension and I want to shrink them down with jQuery while keeping the proportions constrained, i.e. the same aspect ratio. ...
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How to set or change the default Java (JDK) version on OS X?

... @MattO'Brien it’s something which depends on the shell you’re using, and the configuration you have in place, so I can’t give a complete solution for that… – markhellewell Nov 14 '14 at 2:25 ...
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Difference between .on('click') vs .click()

...s. I would prefer .on over .click because the former can use less memory and work for dynamically added elements. Consider the following html: <html> <button id="add">Add new</button> <div id="container"> <button class="alert">alert!</button> ...
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What is the difference between “screen” and “only screen” in media queries?

What is the difference between screen and only screen in media queries? 5 Answers ...
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mongoose vs mongodb (nodejs modules/extensions), which better? and why?

I've just arrived to Node.js and see that there are many libs to use with the MongoDB, the most popular seem to be these two: (mongoose and mongodb). Can I get pros and cons of those extensions? Are there better alternatives to these two? ...
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How to deal with persistent storage (e.g. databases) in Docker

... Docker 1.9.0 and above Use volume API docker volume create --name hello docker run -d -v hello:/container/path/for/volume container_image my_command This means that the data-only container pattern must be abandoned in favour of the ne...
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How Python web frameworks, WSGI and CGI fit together

... How WSGI, CGI, and the frameworks are all connected? Apache listens on port 80. It gets an HTTP request. It parses the request to find a way to respond. Apache has a LOT of choices for responding. One way to respond is to use CGI to r...
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Remove all subviews?

...h thanks to cocoafan: This situation is muddled up by the fact that NSView and UIView handle things differently. For NSView (desktop Mac development only), you can simply use the following: [someNSView setSubviews:[NSArray array]]; For UIView (iOS development only), you can safely use makeObjects...
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Reading specific lines only

... loop to read a file, but I only want to read specific lines, say line #26 and #30. Is there any built-in feature to achieve this? ...