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How to handle back button in activity

... In addition to the above I personally recommend onKeyUp(): Programatically Speaking keydown will fire when the user depresses a key initially but It will repeat while the user keeps the key depressed.* This remains true for all development platforms. G...
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Dashed line border around UIView

...t@2x.png and test@3x.png with size of 240x240 and 360x360 which is used in all the apple device automatically with it's related name. (i.e. test.png is use in iPhone 4, test@2x will useful for iPhone 4s, 5, 5s, 6, 6s and twst@3x will useful for iPhone 6 plus, 6s plus. – Paras J...
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bash/fish command to print absolute path to a file

...nd may not be present in every system by default, i.e. you may need to install it. In Debian it resides in a separate package with the same name. – Roman Cheplyaka Oct 12 '10 at 17:22 ...
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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]

... That's more or less what I assumed (IEEE-745, at least): I think almost all machines for which Python is implemented use IEEE-754. My point is just that the corresponding values may be different on another architecture (like some of the mainframes, which don't use IEEE). – ...
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How to justify a single flexbox item (override justify-content)

... the extra element as well, so the layout will be properly responsive on smaller devices. share | improve this answer | follow | ...
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Automatic vertical scroll bar in WPF TextBlock?

...g its vertical height. I expected a vertical scroll bar to appear automatically when that happens, but it didn't. I tried to look for a scroll bar property in the Properties pane, but could not find one. ...
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Reading my own Jar's Manifest

... You can do one of two things: Call getResources() and iterate through the returned collection of URLs, reading them as manifests until you find yours: Enumeration<URL> resources = getClass().getClassLoader() .getResources("META-INF/MANIFEST.MF"); ...
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Get the distance between two geo points

...ction centered on the master point, so you can compute the cosine once for all comparisons). For more info see: http://www.movable-type.co.uk/scripts/latlong.html There is a nice reference implementation of the Haversine formula in several languages at: http://www.codecodex.com/wiki/Calculate_Dis...
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Correct format specifier for double in printf

...). Note that this is one place that printf format strings differ substantially from scanf (and fscanf, etc.) format strings. For output, you're passing a value, which will be promoted from float to double when passed as a variadic parameter. For input you're passing a pointer, which is not promoted...
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Encrypt and decrypt a string in C#?

...amWriter(csEncrypt)) { //Write all data to the stream. swEncrypt.Write(plainText); } } outStr = Convert.ToBase64String(msEncrypt.ToArray()); } } finally...