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How to calculate dp from pixels in android programmatically [duplicate]

...sed to convert px->dp, for that you must use the method described here: https://stackoverflow.com/a/17880012/504611 (quoted below for convenience). Without Context object, elegant static methods: public static int dpToPx(int dp) { return (int) (dp * Resources.getSystem().getDisplayMetric...
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How to destroy an object?

...2; unset($var2); echo $var->a; returns 2 See it in action here: https://eval.in/1054130 share | improve this answer | follow | ...
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How to check all checkboxes using jQuery?

...eckSingle" /> Hope this helps to someone as it did for me. JS Fiddle https://jsfiddle.net/52uny55w/ share | improve this answer | follow | ...
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Difference between viewDidLoad and viewDidAppear

...get memory leaks if you don't release them when the view disappears. See: https://developer.apple.com/documentation/uikit/uiviewcontroller share | improve this answer | foll...
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?

... mispredictions affect performance, take a look at this excellent answer: https://stackoverflow.com/a/11227902/1001643 Compilers typically don't have enough information to know which branches will alias and whether those aliases will be significant. However, that information can be determined at ...
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What Automatic Resource Management alternatives exist for Scala?

...y for automatic resource management. You can find the documentation here: https://github.com/jsuereth/scala-arm/wiki This library supports three styles of usage (currently): 1) Imperative/for-expression: import resource._ for(input <- managed(new FileInputStream("test.txt")) { // Code that us...
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Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]

...er-side code (PHP, Ruby, ...). Read more on Cross-Origin ajax requests on https://developer.mozilla.org/en/http_access_control share | improve this answer | follow ...
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When is the init() function run?

...internal Go packages use init() to initialize tables and such, for example https://github.com/golang/go/blob/883bc6/src/compress/bzip2/bzip2.go#L480 share | improve this answer | ...
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How to take screenshot with Selenium WebDriver

...re 'selenium-webdriver' driver = Selenium::WebDriver.for :ie driver.get "https://www.google.com" driver.save_screenshot("./screen.png") more file types and options are available and you can see them in takes_screenshot.rb ...
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Python truncate a long string

...rs(75) Have a look at Truncator's source code to appreciate the problem: https://github.com/django/django/blob/master/django/utils/text.py#L66 Concerning truncation with Django: Django HTML truncation share | ...