大约有 40,960 项符合查询结果（耗时：0.0368秒） [XML]
Code Golf - π day
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In dc: 88 and 93 93 94 96 102 105 129 138 141 chars
Just in case, I am using OpenBSD and some supposedly non-portable extensions at this point.
93 chars. This is based on same formula as FORTRAN solution (slightly different results than test cases)....
Format output string, right alignment
... Michael Mior
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answered Nov 22 '11 at 22:06
Mark ByersMark Byers
683k155...
Forcing child to obey parent's curved borders in CSS
...en it to:
#outer {
overflow: hidden;
}
#inner {
-moz-border-radius: 10px 10px 0 0;
}
See it working here: http://jsfiddle.net/VaTAZ/3/
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Viewing full output of PS command
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answered Jan 29 '10 at 6:21
Paused until further notice.Paused until further notice.
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How can I format a decimal to always show 2 decimal places?
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108
I suppose you're probably using the Decimal() objects from the decimal module? (If you need ex...
How to convert char to int?
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answered Sep 8 '10 at 9:03
Joel MuellerJoel Mueller
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jQuery count child elements
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answered Nov 27 '10 at 10:25
Nick Craver♦Nick Craver
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MySQL select 10 random rows from 600K rows fast
How can I best write a query that selects 10 rows randomly from a total of 600k?
26 Answers
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Cost of exception handlers in Python
...ve just tried the following:
import timeit
statements=["""\
try:
b = 10/a
except ZeroDivisionError:
pass""",
"""\
if a:
b = 10/a""",
"b = 10/a"]
for a in (1,0):
for s in statements:
t = timeit.Timer(stmt=s, setup='a={}'.format(a))
print("a = {}\n{}".format(a,s))
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Implement paging (skip / take) functionality with this query
... MUST there must be ORDER BY statement
-- the paging comes here
OFFSET 10 ROWS -- skip 10 rows
FETCH NEXT 10 ROWS ONLY; -- take 10 rows
If we want to skip ORDER BY we can use
SELECT col1, col2, ...
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ORDER BY CURRENT_TIMESTAMP
OFFSET 10 ROWS -- skip 10 rows
FETCH NEXT 10 ...