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What is the most pythonic way to check if an object is a number?
...cimal import Decimal
... from fractions import Fraction
... for n in [2, 2.0, Decimal('2.0'), complex(2, 0), Fraction(2, 1), '2']:
... print(f'{n!r:>14} {isinstance(n, Number)}')
2 True
2.0 True
Decimal('2.0') True
(2+0j) True
Fraction(2, 1) True
...
Center a map in d3 given a geoJSON object
...
+300
The following seems to do approximately what you want. The scaling seems to be ok. When applying it to my map there is a small offset...
Reverse colormap in matplotlib
...
answered Jul 19 '10 at 11:45
ptomatoptomato
49.3k1111 gold badges9898 silver badges146146 bronze badges
...
CSS3 Transparency + Gradient
...round-image: -webkit-gradient(
linear, left top, left bottom, from(rgba(50,50,50,0.8)),
to(rgba(80,80,80,0.2)), color-stop(.5,#333333)
);
(src)
/* mozilla example - FF3.6+ */
background-image: -moz-linear-gradient(
rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0) 95%
);
(src)
Apparent...
How do we control web page caching, across all browsers?
...che-Control: no-cache, no-store, must-revalidate
Pragma: no-cache
Expires: 0
The Cache-Control is per the HTTP 1.1 spec for clients and proxies (and implicitly required by some clients next to Expires). The Pragma is per the HTTP 1.0 spec for prehistoric clients. The Expires is per the HTTP 1.0 an...
Normalizing mousewheel speed across browsers
...
10 Answers
10
Active
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Differences between Oracle JDK and OpenJDK
... |
edited Oct 14 '18 at 3:08
Willi Mentzel
18.6k1212 gold badges7979 silver badges9393 bronze badges
ans...
How can I check if an ip is in a network in Python?
Given an ip address (say 192.168.0.1), how do I check if it's in a network (say 192.168.0.0/24) in Python?
27 Answers
...
How do I list all versions of a gem available at a remote site?
...
205
Well, it was easier than I thought (well, not really, let's say as easy as it should be):
gem ...
What does the ^ operator do in Java?
...perator.
Let's take 5^6 as example:
(decimal) (binary)
5 = 101
6 = 110
------------------ xor
3 = 011
This the truth table for bitwise (JLS 15.22.1) and logical (JLS 15.22.2) xor:
^ | 0 1 ^ | F T
--+----- --+-----
0 | 0 1 F | F T
1 | 1 0 T | T...