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Installing Ruby Gem in Windows

...ckage management system of your distribution or third-party tools (rbenv and RVM). On OS X machines, you can use third-party tools (rbenv and RVM). On Windows machines, you can use RubyInstaller. share | ...
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Using the “final” modifier whenever applicable in Java [closed]

...eywords in your code, but pretty soon you'll stop noticing the word itself and will simply think, that-thing-will-never-change-from-this-point-on (you can take it from me ;-) I think it's good practice. I am not using it all the time, but when I can and it makes sense to label something final I'll ...
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What is a postback?

I'm making my way into web development and have seen the word postback thrown around. Coming from a non-web based background, what does a new web developer have to know about postbacks? (i.e. what are they and when do they arise?) ...
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How to close Android application?

... Android has a mechanism in place to close an application safely per its documentation. In the last Activity that is exited (usually the main Activity that first came up when the application started) just place a couple of li...
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CocoaPods - use specific pod version

... app. I have compilation errors with AFNetworking (current version, 1.2.1) and saw that these didn't exist in the previous version (1.2.0). ...
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How to pipe stdout while keeping it on screen ? (and not to a output file)

I would like to pipe standard output of a program while keeping it on screen. 5 Answers ...
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parseInt(null, 24) === 23… wait, what?

Alright, so I was messing around with parseInt to see how it handles values not yet initialized and I stumbled upon this gem. The below happens for any radix 24 or above. ...
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Global and local variables in R

I am a newbie for R, and I am quite confused with the usage of local and global variables in R. 3 Answers ...
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How do streaming resources fit within the RESTful paradigm?

With a RESTful service you can create, read, update, and delete resources. This all works well when you're dealing with something like a database assets - but how does this translate to streaming data? (Or does it?) For instance, in the case of video, it seems silly to treat each frame as resource...
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What does the @ symbol represent in objective-c?

I'm learning objective-c and keep bumping into the @ symbol. It is used in different scenarios, for example at the start of a string or to synthesise accessor methods. ...