大约有 44,700 项符合查询结果(耗时:0.0564秒) [XML]

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Why is 1/1/1970 the “epoch time”?

... 425 Early versions of unix measured system time in 1/60 s intervals. This meant that a 32-bit unsig...
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How to handle static content in Spring MVC?

... 23 Answers 23 Active ...
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Rails where condition using NOT NIL

... | edited Nov 7 '18 at 23:38 answered Nov 23 '10 at 3:51 ...
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Upload files with HTTPWebrequest (multipart/form-data)

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Rails :include vs. :joins

... It appears that the :include functionality was changed with Rails 2.1. Rails used to do the join in all cases, but for performance reasons it was changed to use multiple queries in some circumstances. This blog post by Fabio Akita has some good information on the change (see the section e...
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Is the practice of returning a C++ reference variable evil?

... 420 In general, returning a reference is perfectly normal and happens all the time. If you mean: ...
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How to import existing *.sql files in PostgreSQL 8.4?

... 142 From the command line: psql -f 1.sql psql -f 2.sql From the psql prompt: \i 1.sql \i 2.sql ...
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jQuery UI “ $(”#datepicker“).datepicker is not a function”

... 211 I struggled with a similar problem for hours. It then turned out that jQuery was included twic...
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How to use sessions in an ASP.NET MVC 4 application?

... 162 Try //adding data to session //assuming the method below will return list of Products var prod...
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Re-entrant locks in C#

... webpage describing thread synchronisation in .NET: http://dotnetdebug.net/2005/07/20/monitor-class-avoiding-deadlocks/ Also, lock on as few objects at a time as possible. Consider applying coarse-grained locks where possible. The idea being that if you can write your code such that there is an obj...