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Pick a random element from an array
Suppose I have an array and I want to pick one element at random.
16 Answers
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Cannot instantiate the type List [duplicate]
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Raw collection types are dangerous and should not be used or suggested for use in any new code targeted for Java 5+, end of story.
– Matt Ball
Oct 31 '11 at 22:15
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How to set button click effect in Android?
In Android, when I set background image to Button, I can not see any effect on button.
14 Answers
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How to make a JSONP request from Javascript without JQuery?
...ng jQuery or other external library? I would like to use JavaScript itself and then parse the data and make it an object so I could use it. Do I have to use an external library? If not, how can I do it?
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What is a proper naming convention for MySQL FKs?
... users(user_id);
I try to stick with the same field names in referencing and referenced tables, as in user_id in the above example. When this is not practical, I also append the referenced field name to the foreign key name.
This naming convention allows me to "guess" the symbolic name just by l...
hexadecimal string to byte array in python
...nvert this Hex String into a byte array so that I can shift each value out and convert it into its proper data type.
8 Ans...
connecting to MySQL from the command line
How can you connect to MySQL from the command line in a Mac? (i.e. show me the code)
6 Answers
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How to commit changes to a new branch
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You can do a git status to see what is currently staged and what is not.
– John Brodie
Feb 1 '13 at 22:20
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Is a RelativeLayout more expensive than a LinearLayout?
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In a talk at Google I/O 2013 (Writing Custom Views for Android), Romain Guy clarified the misunderstanding that caused everyone to start using RelativeLayouts for everything. A RelativeLayout always has to do two measure passes. Overall it is negligible as long as your view hiera...
Having a private branch of a public repo on GitHub?
...ode)
You can bring in changes to your public repo using 'git fetch public' and then merge them locally and push to your private repo (origin remote).
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