大约有 3,100 项符合查询结果（耗时：0.0145秒） [XML]
make_unique and perfect forwarding
...ered Mar 11 '12 at 19:06
Johan RådeJohan Råde
17.7k1919 gold badges5959 silver badges103103 bronze badges
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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?
...
Understanding Python's “is” operator
...floats and larger ints aren't interned.
– Magnus Lyckå
Sep 21 '17 at 13:56
2
@MagnusLyckå there...
How to do a regular expression replace in MySQL?
...exp doesn't seem to have support for multibyte characters. regexp_replace('äöõü', 'ä', '') returns a long numeric string instead of real text.
– lkraav
Feb 20 '12 at 1:44
3
...
How to round to 2 decimals with Python?
...of answer):
def printC(answer):
print("\nYour Celsius value is {:0.2f}ºC.\n".format(answer))
Where:
: introduces the format spec
0 enables sign-aware zero-padding for numeric types
.2 sets the precision to 2
f displays the number as a fixed-point number
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How to prevent http file caching in Apache httpd (MAMP)
... 30 '12 at 15:30
Charlie RudenstålCharlie Rudenstål
4,10811 gold badge1111 silver badges1515 bronze badges
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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...
Why em instead of px?
...ood in 16pt font as well as 48pt font.
– Lèse majesté
Aug 3 '12 at 16:16
1
@Lesemajeste isn't s...
Version number comparison in Python
...(normalize(version1), normalize(version2))
This is the same approach as Pär Wieslander, but a bit more compact:
Here are some tests, thanks to "How to compare two strings in dot separated version format in Bash?":
assert mycmp("1", "1") == 0
assert mycmp("2.1", "2.2") < 0
assert mycmp("3.0.4...
Convert a list to a string in C#
...d Feb 12 '11 at 23:46
Øyvind BråthenØyvind Bråthen
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