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Difference between getDefaultSharedPreferences and getSharedPreferences

What is the difference between getDefaultSharedPreferences and getSharedPreferences in Android? Can anyone please explain? ...
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What's the difference between a catalog and a schema in a relational database?

... other things--all of the various schemas (external, conceptual, internal) and all of the corresponding mappings (external/conceptual, conceptual/internal) are kept. In other words, the catalog contains detailed information (sometimes called descriptor information or metadata) regarding the va...
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Get average color of image via Javascript

...e.net/xLF38/818/ Note, this will only work with images on the same domain and in browsers that support HTML5 canvas: function getAverageRGB(imgEl) { var blockSize = 5, // only visit every 5 pixels defaultRGB = {r:0,g:0,b:0}, // for non-supporting envs canvas = document.createE...
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Any reason not to start using the HTML 5 doctype? [closed]

...is: When serving as text/html, all you need a doctype for is to trigger standards mode. Beyond that, the doctype does nothing as far as browsers are concerned. When serving as text/html, whether you use XHTML markup or HTML markup, it's treated by browsers as HTML. So, really it comes down to usi...
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How to sort my paws?

...nt experiment runs stored as ascii arrays. Rather than try to copy-paste stand-alone code examples into this question, here's a bitbucket mercurial repository with full, stand-alone code. You can clone it with hg clone https://joferkington@bitbucket.org/joferkington/paw-analysis Overview There...
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How to search and replace text in a file?

How do I search and replace text in a file using Python 3? 15 Answers 15 ...
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How can I match a string with a regex in Bash?

...is not a concern, I recommend using [[ instead of [ or test as it is safer and more powerful. See What is the difference between test, [ and [[ ? for details. share | improve this answer | ...
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What happens to global and static variables in a shared library when it is dynamically linked?

I'm trying to understand what happens when modules with globals and static variables are dynamically linked to an application. By modules, I mean each project in a solution (I work a lot with visual studio!). These modules are either built into *.lib or *.dll or the *.exe itself. ...
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How to redirect and append both stdout and stderr to a file with Bash?

...left to right as follows: >>file.txt: Open file.txt in append mode and redirect stdout there. 2>&1: Redirect stderr to "where stdout is currently going". In this case, that is a file opened in append mode. In other words, the &1 reuses the file descriptor which stdout currently us...
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“open/close” SqlConnection or keep open?

...d Dec 14 '10 at 13:02 Adriaan StanderAdriaan Stander 146k2626 gold badges261261 silver badges272272 bronze badges ...