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sed command with -i option (in-place editing) works fine on Ubuntu but not Mac [duplicate]

I know nothing about Sed but need this command (which works fine on Ubuntu) to work on a Mac OSX: 4 Answers ...
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Why doesn't Internet Explorer 11 honour conditional comments even when emulating Internet Explorer 8

...ditional comments are still ignored, that is, they are not properly parsed and behave like normal comments. So any referenced file inside the conditional comment is not requested/loaded by the browser. ...
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LaTeX table positioning

... Perhaps it is worth emphasizing that "H" should be used and not "h". That is what I observed for myself. – bikashg Aug 1 '11 at 9:11 ...
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Why were pandas merges in python faster than data.table merges in R in 2012?

I recently came across the pandas library for python, which according to this benchmark performs very fast in-memory merges. It's even faster than the data.table package in R (my language of choice for analysis). ...
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Singular or plural controller and helper names in Rails

Is there any disadvantage to using singular names for controllers and helpers? Nothing seems to rely on this. It even seems helpers don't have to make the same choice about singular vs. plural as their corresponding controllers, at least according to my limited experimentation. Is that true? ...
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python: how to identify if a variable is an array or a scalar

...supports a tuple of classes, check type(x) in (..., ...) should be avoided and is unnecessary. You may also wanna check not isinstance(x, (str, unicode)) share | improve this answer | ...
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Detect the Internet connection is offline?

...etermine that the connection is lost by making failed XHR requests. The standard approach is to retry the request a few times. If it doesn't go through, alert the user to check the connection, and fail gracefully. Sidenote: To put the entire application in an "offline" state may lead to a lot of ...
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How to prepare a Unity project for git? [duplicate]

... eg. github? I don't want to store unnecessary files (specially temp files and avoid binary formats as much as possible). ...
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What LaTeX Editor do you suggest for Linux? [closed]

...X (texmakerx.sourceforge.net) which is mainly TeXMaker with spell checking and some other features. – ubuntudroid Jan 8 '11 at 13:39 ...
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How to write the Fibonacci Sequence?

... There is lots of information about the Fibonacci Sequence on wikipedia and on wolfram. A lot more than you may need. Anyway it is a good thing to learn how to use these resources to find (quickly if possible) what you need. Write Fib sequence formula to infinite In math, it's given in a recurs...