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Replace whole line containing a string using Sed

...cusDowning GNU sed does not require the space; it works just fine as originally posted. If your particular sed requires the space, then by all means note which sed is incompatible and add the necessary invocation as a comment. However, please don't change working code in an accepted answer. ...
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Are the shift operators () arithmetic or logical in C?

...ependent for right shifts of signed values. Wikipedia says that C/C++ 'usually' implements an arithmetic shift on signed values. Basically you need to either test your compiler or not rely on it. My VS2008 help for the current MS C++ compiler says that their compiler does an arithmetic shift. ...
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C++ Tuple vs Struct

... not the purpose of this discussion so I won't dive into the detail. We all know that writing a == or < or > operator for every single struct definition will be a painful and buggy task. Let replace our custom comparator using std::tie and rerun our benchmark. bool operator<(const Str...
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How do I import global modules in Node? I get “Error: Cannot find module ”?

I am trying to setup Node on Mac OSX Lion. It all seems to work ok, but I can't seem to import anything modules from my global modules folder. I get the error, ...
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Cookies vs. sessions

...ad of sessions? I have just that reason (that I do not need to store internally information about the user). Is that enough as a reason ? or it's more than that? Could you please tell me about advantages/disadvantages of using cookies for keeping User's ID? ...
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CSS3 Transparency + Gradient

...radient Generator over at Colorzilla which has a bunch of nice presets and all the cross browser compatible variations to achieve your desired gradient – andrhamm Nov 23 '11 at 16:16 ...
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How to add to the PYTHONPATH in Windows, so it finds my modules/packages?

I have a directory which hosts all of my Django apps ( C:\My_Projects ). I want to add this directory to my PYTHONPATH so I can call the apps directly. ...
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Default background color of SVG root element

...ways matches the viewport it gets, so it won't fill the entire viewport in all situations. – Erik Dahlström Jul 2 '12 at 12:48 1 ...
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What is the difference between screenX/Y, clientX/Y and pageX/Y?

...upper left. This point could be anywhere in the browser window and can actually change location if there are embedded scrollable pages embedded within pages and the user moves a scrollbar. screenX and screenY: Relative to the top left of the physical screen/monitor, this reference point only moves ...
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Responsively change div size keeping aspect ratio [duplicate]

...tio, but if I want the same effect with another element, is it possible at all to tie the width and the height together using percentage? ...