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What is the purpose of “!” and “?” at the end of method names?
Sometimes I see methods in Ruby that have "?" and "!" at the end of them, e.g:
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Dealing with float precision in Javascript [duplicate]
I have a large amount of numeric values y in javascript. I want to group them by rounding them down to the nearest multiple of x and convert the result to a string.
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Git: how to reverse-merge a commit?
With SVN it is easy to reverse-merge a commit, but how to do that with Git?
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Is there a way of having git show lines added, lines changed and lines removed?
"git diff --stat" and "git log --stat" show output like:
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jQuery append() - return appended elements
I'm using jQuery.append() to add some elements dynamically. Is there any way to get a jQuery collection or array of these newly inserted elements?
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Disable messages upon loading a package
I have a package in R (ROCR) that I need to load in my R environment. Upon loading the package, a set of messages are printed. This is ordinarily fine, but since the output of my R script is being used for further analysis I want to completely disable all of this output. How do I do that? Furthe...
Setting a timeout for socket operations
When I create a socket:
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How to handle floats and decimal separators with html5 input type number
Im building web app which is mainly for mobile browsers. Im using input fields with number type, so (most) mobile browsers invokes only number keyboard for better user experience. This web app is mainly used in regions where decimal separator is comma, not dot, so I need to handle both decimal separ...
Flatten an Array of Arrays in Swift
Is there a counterpart in Swift to flatten in Scala, Xtend, Groovy, Ruby and co?
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Why are margin/padding percentages in CSS always calculated against width?
If you look at the CSS box model spec , you'll observe the following:
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