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Android : difference between invisible and gone?

... From Documentation you can say that View.GONE This view is invisible, and it doesn't take any space for layout purposes. View.INVISIBLE This view is invisible, but it still takes up space for layout purposes. Lets clear th...
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How to find list of possible words from a letter matrix [Boggle Solver]

...'ll post it because it looks a bit faster than the other Python solutions, from setting up the dictionary faster. (I checked this against John Fouhy's solution.) After setup, the time to solve is down in the noise. grid = "fxie amlo ewbx astu".split() nrows, ncols = len(grid), len(grid[0]) # A dic...
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Meaning of Choreographer messages in Logcat [duplicate]

...ou will still skip 30 frames (naughty!) but you won't be warned about it. From the 3 steps involved its clear that it isn't only animations that can trigger the warning: Invalidating a significant portion of a large View hierarchy or a View with a complicated onDraw method might be enough. For exa...
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Remove border from IFrame

How would I remove the border from an iframe embedded in my web app? An example of the iframe is: 25 Answers ...
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Is mathematics necessary for programming? [closed]

...inst that. He said that programmers need only basic mathematical knowledge from high school or fresh year college math, no more no less, and that almost all of programming tasks can be achieved without even need for advanced math. He argued, however, that algorithms are fundamental & must-have asset...
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What is the difference between a URI, a URL and a URN?

... From RFC 3986: A URI can be further classified as a locator, a name, or both. The term "Uniform Resource Locator" (URL) refers to the subset of URIs that, in addition to identifying a resource, provide a means ...
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What is the maximum length of latitude and longitude? [closed]

... Valid longitudes are from -180 to 180 degrees. Latitudes are supposed to be from -90 degrees to 90 degrees, but areas very near to the poles are not indexable. So exact limits, as specified by EPSG:900913 / EPSG:3785 / OSGEO:41001 are the follo...
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How to dynamically compose an OR query filter in Django?

From an example you can see a multiple OR query filter: 13 Answers 13 ...
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Removing projects in Sublime Text 2 and 3

How do you remove a project from Sublime Text 2 and 3's project windows ( Ctrl + Alt + P ) ? 5 Answers ...
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Clean up a fork and restart it from the upstream

...er branch and move some commit to new branch". See also "Pull new updates from original GitHub repository into forked GitHub repository" for illustrating what "upstream" is. Note: recent GitHub repos do protect the master branch against push --force. So you will have to un-protect master first...