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Download a file with Android, and showing the progress in a ProgressDialog

...fy the UI thread from here private class DownloadTask extends AsyncTask<String, Integer, String> { private Context context; private PowerManager.WakeLock mWakeLock; public DownloadTask(Context context) { this.context = context; } @Override protected String do...
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vertical-align with Bootstrap 3

...t; </div> </div> Bootply Using inline-block adds extra space between blocks if you let a real space in your code (like ...</div> </div>...). This extra space breaks our grid if column sizes add up to 12: <div class="row"> <div class="col-xs-6 col-m...
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JPG vs. JPEG image formats

...ut it is inaccurate. • The JPEG group were mostly Unix shops, thus the 4-char .jpeg extension, not because of Mac. • It was the DOS 8.3 limit that caused the shortening to .jpg — windows was just a shell on top of DOS. • The commonly accepted .jpg form is because of programs that had to cope...
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What is this: [Ljava.lang.Object;?

I get this when I call toString on an object I received from a function call. I know the type of the object is encoded in this string, but I don't know how to read it. ...
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Apply formula to the entire column

... Let's say you want to substitute something in an array of string and you don't want to perform the copy-paste on your entire sheet. Let's take this as an example: String array in column "A": {apple, banana, orange, ..., avocado} You want to substitute the char of "a" to "x" to ha...
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Escape quote in web.config connection string

I have a connection string in my web config: 5 Answers 5 ...
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What is base 64 encoding used for?

... But why is base64 method used to encode string data? eg in javascript atob function Is there meaning the server to encode a json file to base64 format? Special characters could be a use case but why not utf8 in that case, are they equibalent? Any further resource ...
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Print string and variable contents on the same line in R

... {glue} offers much better string interpolation, see my other answer. Also, as Dainis rightfully mentions, sprintf() is not without problems. There's also sprintf(): sprintf("Current working dir: %s", wd) To print to the console output, use cat() ...
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Java: Subpackage visibility?

...sInA in package a.b: package a; public class ClassInA{ private final String data; public ClassInA(String data){ this.data = data; } public String getData(){ return data; } protected byte[] getDataAsBytes(){ return data.getBytes(); } protected char[] getDataAsChars(){ return...
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Debugging with command-line parameters in Visual Studio

...nts when I changed the definition of argv. Instead of int main(int argc, char **argv){ } I had to use int main(int argc, char *argv[]){ } I do not know why it was necessary, but it works. share | ...