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Receive result from DialogFragment

...ke: public interface EditNameDialogListener { void onFinishEditDialog(String inputText); } Then, add a reference to that listener: private EditNameDialogListener listener; This will be used to "activate" the listener method(s), and also to check if the parent Activity/Fragment implements t...
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Watch multiple $scope attributes

... The difference is that you can use a proper array instead of a string that looks like an array – Paolo Moretti Feb 25 '15 at 15:31 2 ...
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CORS - What is the motivation behind introducing preflight requests?

...change this), but in a world with CORS the preflight mechanism provides an extra 'sanity check' so that clients and servers don't break because the underlying rules of the web have changed. Servers that are still under development, but which contain a lot of old code and for which it's not feasible/...
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Check if pull needed in Git

... space-separated fields by the piped sed command, e.g. origin master. This string is fed into git ls-remote which returns the head commit of the remote branch. This command will communicate with the remote repository. The piped cut command extracts just the first field (the commit hash), removing th...
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java.net.UnknownHostException: Invalid hostname for server: local

...ther. Everything was right. The Solution Not calling trim() for the host string which contained whitespace. In writing a proxy server the host was obtained from HTTP headers with the use of split(":") by semicolons for the HOST header. This left whitespace, and causes the UnknownHostException as a...
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Deserialize JSON to ArrayList using Jackson

...ixIn , to assist me with the deserialization. MyPojo has only int and String instance variables combined with proper getters and setters. MyPojoDeMixIn looks something like this: ...
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Ruby, Difference between exec, system and %x() or Backticks

...system method calls a system program. You have to provide the command as a string argument to this method. For example: >> system("date") Wed Sep 4 22:03:44 CEST 2013 => true The invoked program will use the current STDIN, STDOUT and STDERR objects of your Ruby program. In fact, the act...
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The performance impact of using instanceof in Java

...e how instanceOf performance is comparing to a simple s.equals() call to a string object with only one letter. in a 10.000.000 loop the instanceOf gave me 63-96ms, and the string equals gave me 106-230ms I used java jvm 6. So in my simple test is faster to do a instanceOf instead of a one charact...
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jQuery posting valid json in request body

...rding to the jQuery Ajax docs , it serializes data in the form of a query string when sending requests, but setting processData:false should allow me to send actual JSON in the body. Unfortunately I'm having a hard time determining first, if this is happening and 2nd what the object looks like t...
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How to get an object's property's value by property name?

...Shell, how do you get an object's property value by specifying its name (a string)? I want something like the following: 6 ...