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Difference between binary semaphore and mutex

Is there any difference between a binary semaphore and mutex or are they essentially the same? 34 Answers ...
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Localization and internationalization, what's the difference?

... Some other reasons to think of them separately: Internationalization QA and localization QA have different test cases, Internationalization is a one-time cost (more or less), and so the more languages you localize to, the higher your ROI. i18n is generally more costly than l10n to any one locale....
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Are there disadvantages to using a generic varchar(255) for all text-based fields?

...se Ruby on Rails migrations map String fields to VARCHAR(255) by default and I never bothered to override it). 7 Answer...
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Can the Android layout folder contain subfolders?

...ng every XML layout file inside the 'res/layout' folder, so it is feasible and simple to manage small projects, but when there is a case of large and heavy projects, then there should be a hierarchy and sub-folders needed inside the layout folder. ...
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How does TestFlight do it?

...they will start some kind of premium offering in the future. It's free now and the new SDK is really impressive. It can gather crash logs and usage information directly from your test clients and even symbolicate them if you are comfortable uploading your dsyms. – Nick ...
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Difference between Inheritance and Composition

Are Composition and Inheritance the same? If I want to implement the composition pattern, how can I do that in Java? 17 Ans...
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How to place and center text in an SVG rectangle

... An easy solution to center text horizontally and vertically in SVG: Set the position of the text to the absolute center of the element in which you want to center it: If it's the parent, you could just do x="50%" y ="50%". If it's another element, x would be the x o...
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What is trunk, branch and tag in Subversion? [duplicate]

What is a trunk, branch and tag in Subversion and what are the best practices to use them? 9 Answers ...
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Developing cross platform mobile application [closed]

More and more mobile platforms are being launched and sdk's are available to developers. There are various mobile platform are available: Android, iOS, Moblin, Windows mobile 7, RIM, symbian, bada, maemo etc. ...
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MySQL: multiple tables or one table with many columns?

... Any time information is one-to-one (each user has one name and password), then it's probably better to have it one table, since it reduces the number of joins the database will need to do to retrieve results. I think some databases have a limit on the number of columns per table, but...