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Retrieving a random item from ArrayList [duplicate]
I'm learning Java and I'm having a problem with ArrayList and Random .
12 Answers
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Is std::vector so much slower than plain arrays?
I've always thought it's the general wisdom that std::vector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so:
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Why can I use auto on a private type?
... // Not OK
Harry::LordVoldemort im_not_scared; // OK
return 0;
}
https://ideone.com/I5q7gw
Thanks to Quentin for reminding me of the Harry loophole.
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Convert list to array in Java [duplicate]
How can I convert a List to an Array in Java?
11 Answers
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How do I set up curl to permanently use a proxy? [closed]
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Many UNIX programs respect the http_proxy environment variable, curl included. The format curl accepts is [protocol://]<host>[:port].
In your shell configuration:
export http_proxy http://proxy.server.com:3128
For proxying HTTPS requests, set htt...
How to sort a list of lists by a specific index of the inner list?
I have a list of lists. For example,
10 Answers
10
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Default value in Go's method
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No, the powers that be at Google chose not to support that.
https://groups.google.com/forum/#!topic/golang-nuts/-5MCaivW0qQ
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How to pass command line arguments to a rake task
I have a rake task that needs to insert a value into multiple databases.
18 Answers
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Is there a regular expression to detect a valid regular expression?
Is it possible to detect a valid regular expression with another regular expression? If so please give example code below.
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Alter table add multiple columns ms sql
...toInWorkStorage bit,
HasPhotoInMaterialStorage bit,
HasText bit GO
http://msdn.microsoft.com/en-us/library/ms190273(SQL.90).aspx
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