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What is :: (double colon) in Python when subscripting sequences?
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10 Answers
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Generate array of all letters and digits
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145
[*('a'..'z'), *('0'..'9')] # doesn't work in Ruby 1.8
or
('a'..'z').to_a + ('0'..'9').to_a ...
Why is MySQL's default collation latin1_swedish_ci?
What is the reasoning behind setting latin1_swedish_ci as the compiled default when other options seem much more reasonable, like latin1_general_ci or utf8_general_ci ?
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How to increment a pointer address and pointer's value?
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171
First, the ++ operator takes precedence over the * operator, and the () operators take precede...
GoTo Next Iteration in For Loop in java
...i++){
if(i==2){
continue;
}
System.out.print(i);
}
This will print
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Get item in the list in Scala?
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311
Use parentheses:
data(2)
But you don't really want to do that with lists very often, since l...
Select statement to find duplicates on certain fields
... of fields for which there are multiple records, you can use..
select field1,field2,field3, count(*)
from table_name
group by field1,field2,field3
having count(*) > 1
Check this link for more information on how to delete the rows.
http://support.microsoft.com/kb/139444
There should be a cr...
How can I get a Bootstrap column to span multiple rows?
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167
For Bootstrap 3:
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/boots...
How to migrate back from initial migration in Django 1.7?
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You can do the same with Django 1.7+ also:
python manage.py migrate <app> zero
This clears <app> from migration history and drops all tables of <app>
See django docs for more info.
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sed: print only matching group
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140
Match the whole line, so add a .* at the beginning of your regex. This causes the entire line ...