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Why not use always android:configChanges=“keyboardHidden|orientation”?

...andle this myself. Yes, I know what I'm doing" Is this a good thing? We shall soon see... No worries? One of the pros you start with is that there is: no need to worry about your activity been rotated In many cases, people mistakenly believe that when they have an error that is being genera...
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How to initialize a dict with keys from a list and empty value in Python?

... dict.fromkeys([1, 2, 3, 4]) This is actually a classmethod, so it works for dict-subclasses (like collections.defaultdict) as well. The optional second argument specifies the value to use for the keys (defaults to None.) ...
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Is background-color:none valid CSS?

...nswered Jan 5 '12 at 8:42 James AllardiceJames Allardice 152k2121 gold badges309309 silver badges301301 bronze badges ...
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Maximum number of characters using keystrokes A, Ctrl+A, Ctrl+C and Ctrl+V

...rough for i up to n, doing two things: pressing A once and pressing select all + copy followed by paste j times (actually j-i-1 below; note the trick here: the contents are still in the clipboard, so we can paste it multiple times without copying each time). We only have to consider up to 4 consecut...
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RESTful on Play! framework

.....</html> This approach gives browsers always the HTML view, since all browsers send a text/html content type in their Accept header. All other clients (possibly some JavaScript-based AJAX requests) can define their own desired content type. Using jQuerys ajax() method you could do the follo...
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How can I round a number in JavaScript? .toFixed() returns a string?

...th full accuracy) in binary floating-point systems. For example, 0.1 is really 0.1000000000000000055511151231257827021181583404541015625, and 0.01 is really 0.01000000000000000020816681711721685132943093776702880859375. (Thanks to BigDecimal for proving my point. :-P) Therefore (absent a decimal f...
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Android - Handle “Enter” in an EditText

...ndroid:imeOptions attributes, plus the setOnEditorActionListener() method, all on TextView. For changing the text of the "Done" button to a custom string, use: mEditText.setImeActionLabel("Custom text", KeyEvent.KEYCODE_ENTER); ...
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What is the best way to implement constants in Java? [closed]

...tic final TYPE NAME = VALUE; where TYPE is the type, NAME is the name in all caps with underscores for spaces, and VALUE is the constant value; I highly recommend NOT putting your constants in their own classes or interfaces. As a side note: Variables that are declared final and are mutable ca...
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What are -moz- and -webkit-? [duplicate]

..., Safari; -moz for Firefox, -o for Opera, -ms for Internet Explorer). Typically they're used to implement new, or proprietary CSS features, prior to final clarification/definition by the W3. This allows properties to be set specific to each individual browser/rendering engine in order for inconsist...
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SQL: IF clause within WHERE clause

...n a WHERE clause. If you want to apply some "IF" logic in the WHERE clause all you need to do is add the extra condition with an boolean AND to the section where it needs to be applied. share | impr...