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Find the extension of a filename in Ruby
...cepted_formats.include? File.extname("example.pdf")
=> true
irb(main):005:0> accepted_formats.include? File.extname("example.txt")
=> true
irb(main):006:0> accepted_formats.include? File.extname("example.png")
=> false
...
Deleting DataFrame row in Pandas based on column value
... I do it inplace?
– ziyuang
May 8 '15 at 13:21
11
Just ran it on a df with 2M rows and it went pr...
typedef fixed length array
...he years?
– supercat
Sep 14 '12 at 15:51
4
Probably worth mentioning the structure packing caveat...
What's the algorithm to calculate aspect ratio?
...he GCD for 44 and 99 is 11.
For example, a 1024x768 monitor has a GCD of 256. When you divide both values by that you get 4x3 or 4:3.
A (recursive) GCD algorithm:
function gcd (a,b):
if b == 0:
return a
return gcd (b, a mod b)
In C:
static int gcd (int a, int b) {
return (b...
add a string prefix to each value in a string column using Pandas
...
5 Answers
5
Active
...
PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
...ect it.
– Paul Biggar
Nov 22 '11 at 5:58
2
This behavior is complex to understand and may lead to...
How to track down a “double free or corruption” error
...
answered May 25 '10 at 8:42
HasturkunHasturkun
31.2k55 gold badges6565 silver badges9595 bronze badges
...
HTML5: Slider with two inputs possible?
Is it possible to make a HTML5 slider with two input values, for example to select a price range? If so, how can it be done?
...
