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Length of an integer in Python
... of 3: 746 ns per loop
timeit len(str(2**8))
1000000 loops, best of 3: 1.1 µs per loop
timeit math.log10(2**100)
1000000 loops, best of 3: 775 ns per loop
timeit len(str(2**100))
100000 loops, best of 3: 3.2 µs per loop
timeit math.log10(2**10000)
1000000 loops, best of 3: 844 ns per loop
timei...
make_unique and perfect forwarding
...ered Mar 11 '12 at 19:06
Johan RådeJohan Råde
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SQL command to display history of queries
I would like to display my executed sql command history in my MYSQL Query Browser. What is the sql statement for displaying history?
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How do I get the row count of a pandas DataFrame?
...[0] faster than len(df) or len(df.columns)? Since 1 ns (nanosecond) = 1000 µs (microsecond), therefore 1.17µs = 1170ns, which means it's roughly 3 times slower than 381ns
– itsjef
Mar 24 '18 at 3:19
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Understanding Python's “is” operator
...floats and larger ints aren't interned.
– Magnus Lyckå
Sep 21 '17 at 13:56
2
@MagnusLyckå there...
How can I get this ASP.NET MVC SelectList to work?
I create a selectList in my controller, to display in the view.
23 Answers
23
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How to prevent http file caching in Apache httpd (MAMP)
... 30 '12 at 15:30
Charlie RudenstålCharlie Rudenstål
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How do I do a case-insensitive string comparison?
...trings in all instances and therefore the normalization needs to be done ('å' vs. 'å'). D145 introduces "canonical caseless matching":
import unicodedata
def NFD(text):
return unicodedata.normalize('NFD', text)
def canonical_caseless(text):
return NFD(NFD(text).casefold())
NFD() is c...
PHP 后端示例的 Node.js 与 Python 对应源码 · App Inventor 2 中文网
...听 0.0.0.0:3000；同时运行多个服务时，通过 PORT 设置不同端口。网址里的 .php 是兼容原 App 请求的路由名称，Node.js 和 Python 也能处理这些路径。
Node.js 示例使用 Express 5，需要 Node.js 18 或以上，请选择仍在维护的版本。Python HTTP 示...
Convert a list to a string in C#
...d Feb 12 '11 at 23:46
Øyvind BråthenØyvind Bråthen
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