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How to read json file into java with simple JSON library
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Binyamin Regev
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answered Jun 7 '12 at 5:54
Greg KopffGreg Kopff
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How do I create an average from a Ruby array?
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Try this:
arr = [5, 6, 7, 8]
arr.inject{ |sum, el| sum + el }.to_f / arr.size
=> 6.5
Note the .to_f, which you'll want for avoiding any problems from integer division. You can also do:
arr = [5, 6, 7, 8]
arr.inject(0.0) { |sum, el| sum ...
Getting View's coordinates relative to the root layout
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edited Nov 15 '13 at 19:08
answered Sep 1 '10 at 18:30
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How do you create a random string that's suitable for a session ID in PostgreSQL?
...now I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
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Assign null to a SqlParameter
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The problem is that the ?: operator cannot determine the return type because you are either retu...
Linux command to list all available commands and aliases
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edited May 25 '11 at 1:13
answered Jun 4 '09 at 7:07
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Connect to Amazon EC2 file directory using Filezilla and SFTP
...m the docs: "For Amazon Linux, the default user name is ec2-user. For RHEL5, the user name is often root but might be ec2-user. For Ubuntu, the user name is ubuntu. For SUSE Linux, the user name is root. For Debian, the user name is admin. Otherwise, check with your AMI provider."
Press Connect Bu...
Flatten nested dictionaries, compressing keys
...return dict(items)
>>> flatten({'a': 1, 'c': {'a': 2, 'b': {'x': 5, 'y' : 10}}, 'd': [1, 2, 3]})
{'a': 1, 'c_a': 2, 'c_b_x': 5, 'd': [1, 2, 3], 'c_b_y': 10}
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improve this answer
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
...henticating as 'bill'@'%' through a socket.
root@myhost:/home/mysql-5.5.16-linux2.6-x86_64# ./mysql -ubill -ppass --socket=/tmp/mysql-5.5.sock
Welcome to the MySQL monitor (...)
mysql> SELECT user, host FROM mysql.user;
+------+-----------+
| user | host |
+------...
Background task, progress dialog, orientation change - is there any 100% working solution?
...ask, after detaching it from the original, now-going-away activity.
Step #5: In onCreate(), if getLastNonConfigurationInstance() is not null, cast it to your AsyncTask class and call your setter to associate your new activity with the task.
Step #6: Do not refer to the activity data member from do...