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Conversion from Long to Double in Java
Is there any way to convert a Long data type to Double or double ?
8 Answers
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Get a UTC timestamp [duplicate]
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new Date().getTime();
For more information, see @James McMahon's answer.
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Java: Best way to iterate through a Collection (here ArrayList)
...e element as well. This is basically equivalent to the other two variants for ArrayLists, but will be really slow if you use a LinkedList.
The second one is useful when you don't need the index of the element but might need to remove the elements as you iterate. But this has the disadvantage of bei...
Why is it considered a bad practice to omit curly braces? [closed]
...o use:
if(foo) bar();
Which takes care of the above case.
EDIT Thanks for clarifying the question, I agree, we should not write code to the lowest common denominator.
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psql: could not connect to server: No such file or directory (Mac OS X)
Upon restarting my Mac I got the dreaded Postgres error:
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Python None comparison: should I use “is” or ==?
My editor warns me when I compare my_var == None , but no warning when I use my_var is None .
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“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
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To get rid of the warning, you need to either:
Pass in an ISO formatted version of your date string:
moment('2014-04-23T09:54:51');
Pass in the string you have now, but tell Moment what format the string is in:
moment('Wed, 23 Apr 2014 09:54:51 +0000', 'ddd, DD MMM YYYY HH:mm:ss ZZ');
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How to use the pass statement?
...ut the pass, the code wouldn't run.
You would then get an:
IndentationError: expected an indented block
To summarize, the pass statement does nothing particular, but it can act as a placeholder, as demonstrated here.
sha...
What's the difference between .bashrc, .bash_profile, and .environment?
... of different *nix-based systems of the years, and it seems like every flavor of Bash I use has a different algorithm for deciding which startup scripts to run. For the purposes of tasks like setting up environment variables and aliases and printing startup messages (e.g. MOTDs), which startup scri...
How to sort an array in Bash
I have an array in Bash, for example:
16 Answers
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