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Getting a random value from a JavaScript array
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24 Answers
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How to set target hosts in Fabric file
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128
I do this by declaring an actual function for each environment. For example:
def test():
e...
How to change owner of PostgreSql database?
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2 Answers
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Switch statement: must default be the last case?
...his explains the fall-through behaviour and why break is necessary.
6.8.4.2.7 even gives an example:
switch (expr)
{
int i = 4;
f(i);
case 0:
i=17;
/*falls through into default code */
default:
printf("%d\n", i);
}
In the artificial program fragment the
object ...
Can you turn off Peek Definition in Visual Studio 2013 and up?
In Visual Studio 2013 and up, there is the Peek Definition feature when you Ctrl + Click. At first I thought this was cool, but I have found that the majority of the time, I need to click the Promote to Document button, since I make lots of changes to the files I Ctrl + Click on. But after Googl...
Find the files existing in one directory but not in the other [closed]
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diff -r dir1 dir2 | grep dir1 | awk '{print $4}' > difference1.txt
Explanation:
diff -r dir1 dir2 shows which files are only in dir1 and those only in dir2 and also the changes of the files present in both directories if any.
diff -r ...
How to convert a string to lower or upper case in Ruby
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1612
Ruby has a few methods for changing the case of strings. To convert to lowercase, use downcase:
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Why is Go so slow (compared to Java)?
As we could see from The Computer Language Benchmarks Game in 2010:
10 Answers
10
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Checking if all elements in a list are unique
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answered Mar 11 '11 at 20:47
yanyan
19.1k33 gold badges3232 silver badges4747 bronze badges
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What is the benefit of using Fragments in Android, rather than Views?
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172
The main reason to use Fragments are for the backstack and lifecycle features. Otherwise, custo...