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How can I read inputs as numbers?
...gt;>> import sys
>>> sys.version
'2.7.6 (default, Mar 22 2014, 22:59:56) \n[GCC 4.8.2]'
>>> data = input("Enter a number: ")
Enter a number: 5 + 17
>>> data, type(data)
(22, <type 'int'>)
The data 5 + 17 is evaluated and the result is 22. When it evaluates th...
How to throw std::exceptions with variable messages?
...
49
Here is my solution:
#include <stdexcept>
#include <sstream>
class Formatter
{
pu...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
I created a Rails application, using Rails 4.1, from scratch and I am facing a strange problem that I am not able to solve.
...
Add Text on Image using PIL
...
edited Jul 25 '17 at 11:54
chro
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answered May 4 '...
JetBrains / IntelliJ keyboard shortcut to collapse all methods
...
441
You may take a look at intellij code folding shortcuts.
For Windows/Linux do: Ctrl+Shift+-
...
How to align absolutely positioned element to center?
...
224
If you set both left and right to zero, and left and right margins to auto you can center an abs...
How to sort two lists (which reference each other) in the exact same way
...ly simple using python's built-in zip function:
>>> list1 = [3,2,4,1, 1]
>>> list2 = ['three', 'two', 'four', 'one', 'one2']
>>> list1, list2 = zip(*sorted(zip(list1, list2)))
>>> list1
(1, 1, 2, 3, 4)
>>> list2
('one', 'one2', 'two', 'three', 'four')
...
How do you detect Credit card type based on number?
...ar expression like the ones below: Credit for original expressions
Visa: ^4[0-9]{6,}$ Visa card numbers start with a 4.
MasterCard: ^5[1-5][0-9]{5,}|222[1-9][0-9]{3,}|22[3-9][0-9]{4,}|2[3-6][0-9]{5,}|27[01][0-9]{4,}|2720[0-9]{3,}$ Before 2016, MasterCard numbers start with the numbers 51 through 5...
Get the Row(s) which have the max count in groups using groupby
...
341
In [1]: df
Out[1]:
Sp Mt Value count
0 MM1 S1 a 3
1 MM1 S1 n 2
2 M...
Get week of year in JavaScript like in PHP
...eks of previous
* or next year, overlap is up to 3 days.
*
* e.g. 2014/12/29 is Monday in week 1 of 2015
* 2012/1/1 is Sunday in week 52 of 2011
*/
function getWeekNumber(d) {
// Copy date so don't modify original
d = new Date(Date.UTC(d.getFullYear(), d.getMonth(), d.ge...