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String concatenation vs. string substitution in Python
...:
... return "%s%s/%d" % (DOMAIN, QUESTIONS, n)
...
>>> so_q_sub(1000)
'http://stackoverflow.com/questions/1000'
>>> def so_q_cat(n):
... return DOMAIN + QUESTIONS + '/' + str(n)
...
>>> so_q_cat(1000)
'http://stackoverflow.com/questions/1000'
>>> t1 = timeit.Ti...
Get Month name from month number
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361
For short month names use:
string monthName = new DateTime(2010, 8, 1)
.ToString("MMM", Cul...
What is a handle in C++?
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100
A handle can be anything from an integer index to a pointer to a resource in kernel space. The...
Set padding for UITextField with UITextBorderStyleNone
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Permanently add a directory to PYTHONPATH?
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18 Answers
18
Active
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Getting a random value from a JavaScript array
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1575
It is a simple one-liner
const randomElement = array[Math.floor(Math.random() * array.length)...
How to insert an item at the beginning of an array in PHP?
...item);
$arr = array('item2', 'item3', 'item4');
array_unshift($arr , 'item1');
print_r($arr);
will give you
Array
(
[0] => item1
[1] => item2
[2] => item3
[3] => item4
)
share
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How to set Sqlite3 to be case insensitive when string comparing?
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10 Answers
10
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Can't stop rails server
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You can use other ports like the following:
rails server -p 3001
Normally in your terminal you can try Ctrl + C to shutdown the server.
The other way to kill the Ruby on Rails default server (which is WEBrick) is:
kill -INT $(cat tmp/pids/server.pid)
In your terminal to find out th...
Cosine Similarity between 2 Number Lists
...te the cosine similarity between two lists , let's say for example list 1 which is dataSetI and list 2 which is dataSetII . I cannot use anything such as numpy or a statistics module. I must use common modules (math, etc) (and the least modules as possible, at that, to reduce time spent).
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