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How to initialize an array in Java?

... When you create an array of size 10 it allocated 10 slots but from 0 to 9. This for loop might help you see that a little better. public class Array { int[] data = new int[10]; /** Creates a new instance of an int Array */ public Array() { for(int i = 0; i < dat...
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How do I make JavaScript beep?

...eight="0" id="sound1" enablejavascript="true"> You would then call it from JavaScript code as such: PlaySound("sound1"); This should do exactly what you want - you'll just need to find/create the beep sound yourself, which should be trivial. ...
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How to include (source) R script in other scripts

I've created a utility R script, util.R, which I want to use from other scripts in my project. What is the proper way to ensure that the function this script defines are available to function in my other scripts? ...
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How to change the font on the TextView?

... can. You're creating a class that extends TextView and calls setTypeface from the constructor. – Mark Phillip Mar 9 '13 at 0:06 ...
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Shell - How to find directory of some command?

... find files. It uses a database that's maintained by updatedb which is run from a cron job. Since locate searches a database rather than the whole filesystem it's much faster than find (which could be used as a last resort). – Paused until further notice. May 2...
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Check if a file exists with wildcard in shell script [duplicate]

...d it's turned on, a wildcard pattern that matches no files will be removed from the command line altogether. This will make ls see no pathname arguments, list the contents of the current directory and succeed, which is wrong. GNU stat, which always fails if given no arguments or an argument naming a...
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Drawing text to with @font-face does not work at the first time

...call the fillText method. However, the browser has not yet loaded the font from the network, which is a background task. So it has to fall back to the font it does have available. If you want to make sure the font is available, have some other element on the page preload it, eg.: <div style="fo...
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How does _gaq.push(['_trackPageLoadTime']) work?

...ity has been set as a default setting. (Functionally speaking, it has gone from being an opt-in feature to being an opt-out feature.) _setSiteSpeedSampleRate is the new function for setting the sample rate on this feature; its default value is 1 (as in 1%). To opt out of using this the Site Speed f...
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Url decode UTF-8 in Python

...so you want to decode, with urllib.parse.unquote(), which handles decoding from percent-encoded data to UTF-8 bytes and then to text, transparently: from urllib.parse import unquote url = unquote(url) Demo: >>> from urllib.parse import unquote >>> url = 'example.com?title=%D0%...
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Check if application is on its first run [duplicate]

..._KEY, currentVersionCode).apply(); } You would probably call this method from onCreate in your main activity so that it is checked every time your app starts. public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { supe...