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How to lock orientation during runtime

...ing runtime? For example I'd like to allow the user to lock the screen to landscape if the user currently in landscape and toggle the menu option. ...
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builder for HashMap

...tations of those factory methods are that they: can't hold nulls as keys and/or values (if you need to store nulls take a look at other answers) produce immutable maps If we need mutable map (like HashMap) we can use its copy-constructor and let it copy content of map created via Map.of(..) M...
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How do I call a JavaScript function on page load?

...ked, will run your desired function, with whatever parameters you give it. And, of course, you can run more than one function from inside the anonymous function. share | improve this answer ...
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Best data type for storing currency values in a MySQL database

...al(19,4) usually works pretty well in most cases. You can adjust the scale and precision to fit the needs of the numbers you need to store. Even in SQL Server, I tend not to use "money" as it's non-standard. share |...
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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?

...y, 0);. But i think that TryGetValue is still more efficient since the get and set of the indexer property is used, isn't it? – Tim Schmelter Oct 1 '15 at 10:44 ...
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How to split a string in Java

... *, the plus sign +, the opening parenthesis (, the closing parenthesis ), and the opening square bracket [, the opening curly brace {, These special characters are often called "metacharacters". So, if you want to split on e.g. period/dot . which means "any character" in regex, use either backsla...
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Easiest way to flip a boolean value?

... it can be helpful to have a TOGGLE(a) macro. This prevents some mistakes and makes it all more readable on narrow screens. – OJW Oct 1 '10 at 12:17  |  ...
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Changing the color of an hr element

...ize of your line, border will still be as wide as you specified in styles, and line will be filled with the default color (which is not a desired effect most of the time). So it seems like in this case you would also need to specify background-color (as @Ibu suggested in his answer). HTML 5 Boilerp...
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How to round a number to significant figures in Python

... You should use log10(abs(x)), otherwise negative numbers will fail (And treat x == 0 separately of course) – Tobias Kienzler Jul 30 '13 at 8:06 2 ...
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How to reload/refresh an element(image) in jQuery

... Adding a query string variable completely passed my mind. This solved it and the image now reloads on request. – Alexis Abril Jan 21 '10 at 16:17 47 ...