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Font size in CSS - % or em?

... There's a really good article on web typography on A List Apart. Their conclusion: Sizing text and line-height in ems, with a percentage specified on the body (and an optional caveat for Safari 2), was shown to provide accur...
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Regular expressions in C: examples?

... Regular expressions actually aren't part of ANSI C. It sounds like you might be talking about the POSIX regular expression library, which comes with most (all?) *nixes. Here's an example of using POSIX regexes in C (based on this): #include <reg...
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How does the Google “Did you mean?” Algorithm work?

...gement tool. There is a lot of text data, company names etc. I've been really impressed with some search engines ability to very quickly respond to queries with "Did you mean: xxxx". ...
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Download and open PDF file using Ajax

... Yes, it does work on all modern browsers. If you see a blank pdf, try running the ajax url in a new tab. If you get a blank screen there as well, might be a problem with the pdf itself. If you do see a pdf file there and not in the downloaded fil...
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What does “default” mean after a class' function declaration?

...pecify that you don't want the compiler to generate that function automatically. With the introduction of move constructors and move assignment operators, the rules for when automatic versions of constructors, destructors and assignment operators are generated has become quite complex. Using = defa...
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How to choose the right bean scope?

...s as long as you're interacting with the same JSF view by postbacks which call action methods returning null/void without any navigation/redirect. A @FlowScoped bean lives as long as you're navigating through the specified collection of views registered in the flow configuration file. A @SessionScop...
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Why does C++ not allow inherited friendship?

Why is friendship not at least optionally inheritable in C++? I understand transitivity and reflexivity being forbidden for obvious reasons (I say this only to head off simple FAQ quote answers), but the lack of something along the lines of virtual friend class Foo; puzzles me. Does anyone know ...
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What exactly is Python's file.flush() doing?

... There's typically two levels of buffering involved: Internal buffers Operating system buffers The internal buffers are buffers created by the runtime/library/language that you're programming against and is meant to speed things up by ...
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Unwanted padding around an ImageView

I need to include a header graphic in all of my activities/views. The file with the header is called header.xml: 8 Answers ...
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PHPMyAdmin Default login password [closed]

I have done a fresh installation of Fedora 14 and installed the phpMyAdmin module. When I run phpMyAdmin, it asks me for a username and password. ...