大约有 40,000 项符合查询结果(耗时:0.0562秒) [XML]

https://stackoverflow.com/ques... 

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:...
https://stackoverflow.com/ques... 

find without recursion

...wants. – eldarerathis Oct 13 '10 at 16:00 1 ...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

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 ...
https://stackoverflow.com/ques... 

MongoDB inserts float when trying to insert integer

...re/shell-types – Yadu Sep 19 '13 at 16:31 12 ...
https://stackoverflow.com/ques... 

PowerShell and the -contains operator

... answered Sep 18 '13 at 16:38 KevKev 111k4949 gold badges283283 silver badges370370 bronze badges ...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

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...