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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...
How to destroy an object?
...2;
unset($var2);
echo $var->a;
returns
2
See it in action here: https://eval.in/1054130
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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/
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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
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foll...
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 ...
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...
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
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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
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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
...
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
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