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Font size in CSS - % or em?

...icle 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 accurate, resizable text across all browsers in common use today. This is a technique you...
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Why should I not wrap every block in “try”-“catch”?

... A method should only catch an exception when it can handle it in some sensible way. Otherwise, pass it on up, in the hope that a method higher up the call stack can make sense of it. As others have noted, it is good practice to have an unhandled exception handler (with loggin...
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TDD/BDD screencast/video resources [closed]

I've recently finished watching the Autumn of Agile screencasts and I'm looking for more material of similar scope. Basically, I'm looking for screencasts that present TDD/BDD process while developing somewhat "real life" applications (or parts of them) - so no 20 minute intros please. I'm surpris...
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Why does a return in `finally` override `try`?

... @Castrohenge - it's not a hard and fast rule, but most of the copunter-examples in that thread are pretty contrived, and the only valid case I see is the "guard clause" (essentially the pattern of checking input data at the top of the function and returnin...
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Embedding DLLs in a compiled executable

... I highly recommend to use Costura.Fody - by far the best and easiest way to embed resources in your assembly. It's available as NuGet package. Install-Package Costura.Fody After adding it to the project, it will automatically embed all references that are copied to the output di...
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Python hashable dicts

As an exercise, and mostly for my own amusement, I'm implementing a backtracking packrat parser. The inspiration for this is i'd like to have a better idea about how hygenic macros would work in an algol-like language (as apposed to the syntax free lisp dialects you normally find them in). Because...
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Why am I getting ibtool failed with exit code 255?

... I had something similar happen to me recently using Xcode 4.6 and iOS 6.1. All I did was switch to a different device version (5.1) on the simulator and it ran. Switched back to 6.1 and it fixed itself. Xcode can be unhelpful at times. ...
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What are the First and Second Level caches in Hibernate?

Can anyone explain in simple words what First and Second Level caching in Hibernate are? 7 Answers ...
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Image library for Python 3

... The "friendly PIL fork" Pillow works on Python 2 and 3. Check out the Github project for support matrix and so on. share | improve this answer | fol...
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Are Mutexes needed in javascript?

...en this link: Implementing Mutual Exclusion in JavaScript . On the other hand, I have read that there are no threads in javascript, but what exactly does that mean? ...