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How do android screen coordinates work?

...cept will work. Display mdisp = getWindowManager().getDefaultDisplay(); Point mdispSize = new Point(); mdisp.getSize(mdispSize); int maxX = mdispSize.x; int maxY = mdispSize.y; EDIT:- ** **for devices supporting android api level older than 13. Can use below code. Display mdisp = getWindowM...
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python max function using 'key' and lambda expression

...on the type of the objects (for example a string is always greater than an integer). To modify the object before comparison, or to compare based on a particular attribute/index, you've to use the key argument. Example 1: A simple example, suppose you have a list of numbers in string form, but yo...
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Java 8: performance of Streams vs Collections

...(StreamVsVanilla.N) public class StreamVsVanilla { public static final int N = 10000; static List<Integer> sourceList = new ArrayList<>(); static { for (int i = 0; i < N; i++) { sourceList.add(i); } } @Benchmark public List<Doub...
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What is the difference between a var and val definition in Scala?

...d, and the object assigned to a var can. However, said object can have its internal state modified. For example: class A(n: Int) { var value = n } class B(n: Int) { val value = new A(n) } object Test { def main(args: Array[String]) { val x = new B(5) x = new B(6) // Doesn't work, be...
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Android Fragment onClick button Method

... Your activity must have public void insertIntoDb(View v) { ... } not Fragment . If you don't want the above in activity. initialize button in fragment and set listener to the same. <Button android:id="@+id/btn_conferma" // + missing Then @Override pub...
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calling non-static method in static method in Java [duplicate]

...dd(10,20); // to call the non-static method } public void add(int x ,int y) { int a = x; int b = y; int c = a + b; System.out.println("addition" + c); } } share | ...
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How to implement a ConfigurationSection with a ConfigurationElementCollection

... <Site Id="123" /> <Lanes> <Lane Id="1" PointId="north" Direction="Entry"/> <Lane Id="2" PointId="south" Direction="Exit"/> </Lanes> </CustomApplicationConfig> then you can use my implementation of configuration section so to...
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Android Webview - Completely Clear the Cache

...thod for clearCache() , recursive //returns number of deleted files static int clearCacheFolder(final File dir, final int numDays) { int deletedFiles = 0; if (dir!= null && dir.isDirectory()) { try { for (File child:dir.listFiles()) { //first del...
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初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

... | c2 | varchar(1024) | YES | | NULL | | | c3 | int(11) | YES | | NULL | | | c4 | bigint(20) unsigned | YES | | NULL | | | c5 | int(11) | YES | | NULL | | +-------+---------------------+------+-----...
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Defining custom attrs

...e.g, "@color/my_color", "@layout/my_layout") color boolean dimension float integer string fraction enum - normally implicitly defined flag - normally implicitly defined You can set the format to multiple types by using |, e.g., format="reference|color". enum attributes can be defined as follows: ...