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How to pass the values from one activity to previous activity

.... Intent resultIntent = new Intent(); resultIntent.putExtra(PUBLIC_STATIC_STRING_IDENTIFIER, enteredTextValue); setResult(Activity.RESULT_OK, resultIntent); finish(); The final step is in the calling Activity: Override onActivityResult to listen for callbacks from the text entry Activity. Get the...
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What is the advantage of using REST instead of non-REST HTTP?

... which way round). I think the caching arguments are wrong, because query strings are generally cached, and besides you don't really need to use them. For example django makes something like this very easy, and I wouldn't say it was REST: GET /get_article/1/ POST /delete_article/ id=1 Or eve...
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Node.js app can't run on port 80 even though there's no other process blocking the port

... Then how do you run node on port 80 though? Should you just... not and use a proxy? – AlexMA Oct 7 '13 at 12:35 ...
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Suppress warning messages using mysql from within Terminal, but password written in bash script

... I use something like: mysql --defaults-extra-file=/path/to/config.cnf or mysqldump --defaults-extra-file=/path/to/config.cnf Where config.cnf contains: [client] user = "whatever" password = "whatever" host = "whatever" This allows you to have multiple config f...
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How to configure git bash command line completion?

E.g. on a fresh ubuntu machine, I've just run sudo apt-get git , and there's no completion when typing e.g. git check[tab] . ...
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Comparing two java.util.Dates to see if they are in the same day

...= new LocalDate( dt2.withZone( zone ) ); return ld1.equals( ld2 ); } String Representation Another approach is to create a string representation of the date portion of each date-time, then compare strings. Again, the assigned time zone is crucial. DateTimeFormatter formatter = ISODateTimeFo...
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Testing web application on Mac/Safari when I don't own a Mac

...ntly when a web site I launched displayed perfectly on IE, Firefox, Chrome and Safari on Windows but was corrupted when viewed using Safari on the Mac (by a potential customer), I need to start testing how my sites look when viewed on a Mac. ...
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Sleeping in a batch file

... UPDATE The timeout command, available from Windows Vista and onwards should be the command used, as described in another answer to this question. What follows here is an old answer. Old answer If you have Python installed, or don't mind installing...
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What is the difference between “px”, “dip”, “dp” and “sp”?

...tual screen sizes into four generalized sizes: small, normal, large, and extra-large. Screen density The number of pixels within a physical area of the screen; usually referred to as dpi (dots per inch). For example, a "low" density screen has fewer pixels within a given physical area,...
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What is the difference between up-casting and down-casting with respect to class variable

...og. Police Dog - Police Dog extends Pet Dog. public class Dog{ public String getType () { System.out.println("NormalDog"); return "NormalDog"; } } /** * Pet Dog has an extra method dogName() */ public class PetDog extends Dog{ public String getType () { System.ou...