大约有 40,000 项符合查询结果(耗时:0.0562秒) [XML]
How to use Active Support core extensions
...port/all'
=> true
irb(main):002:0> 1.week.ago
=> 2010-11-14 17:56:16 -0700
irb(main):003:0>
For 1.8.7:
rvm 1.8.7
irb -f
irb(main):001:0> require 'rubygems'
=> true
irb(main):002:0> require 'active_support/all'
=> true
irb(main):003:0> 1.week.ago
=> Sun Nov 14 17:54:...
find without recursion
...wants.
– eldarerathis
Oct 13 '10 at 16:00
1
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How to find the key of the largest value hash?
... |
edited May 29 '18 at 16:13
Paul Pettengill
4,63311 gold badge2626 silver badges3232 bronze badges
a...
Which is better, number(x) or parseFloat(x)?
...seFloat does not:
parseFloat('0x10'); // => 0
Number('0x10'); // => 16
But Number acts weird with empty strings or strings containing only white space:
parseFloat(''); // => NaN
Number(''); // => 0
parseFloat(' \r\n\t'); // => NaN
Number(' \r\n\t'); // => 0
On the whole, I fi...
SQL Server Profiler - How to filter trace to only display events from one database?
...lzar Nazim
49.9k2424 gold badges124124 silver badges169169 bronze badges
8
...
MongoDB inserts float when trying to insert integer
...re/shell-types
– Yadu
Sep 19 '13 at 16:31
12
...
PowerShell and the -contains operator
...
answered Sep 18 '13 at 16:38
KevKev
111k4949 gold badges283283 silver badges370370 bronze badges
...
How to get first record in each group using Linq
...lt solved it though
– aghost
Feb 5 '16 at 10:38
Would it be OrderBy(p => p.Id), they wanted it ordered by ID not th...
Determine the number of NA values in a column
....well, it's true...
– Rugal
Feb 29 '16 at 4:40
sorry but this does not work for me. I get this warning Warning message...
Stop Excel from automatically converting certain text values to dates
... an import. I just want them to open the csv.
– user16324
Oct 2 '08 at 23:50
6
Great! But becaus...
