大约有 21,000 项符合查询结果(耗时:0.0504秒) [XML]

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Bash foreach loop

I have an input (let's say a file). On each line there is a file name. How can I read this file and display the content for each one. ...
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Android: What is android.R.id.content used for?

Anybody could explain the meaning of "android.R.id.content" ? 3 Answers 3 ...
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Find difference between timestamps in seconds in PostgreSQL

I have a table in PostgreSQL 8.3 with 2 timestamp columns. I would like to get the difference between these timestamps in seconds. Could you please help me how to get this done? ...
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What Content-Type value should I send for my XML sitemap?

I thought I should send "text/xml", but then I read that I should send "application/xml". Does it matter? Can someone explain the difference? ...
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Correct way to use get_or_create?

I'm trying to use get_or_create for some fields in my forms, but I'm getting a 500 error when I try to do so. 5 Answers ...
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MySQL: Selecting multiple fields into multiple variables in a stored procedure

Can I SELECT multiple columns into multiple variables within the same select query in MySQL? 3 Answers ...
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Scala: what is the best way to append an element to an Array?

Say I have an Array[Int] like 3 Answers 3 ...
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POST JSON to API using Rails and HTTParty

I would like for a user within my ruby on rails app to be able to submit a ticket to my external ticket management system, squishlist.com. They have an api and instructions as follows. You need to authenticate and get a token and then submit the ticket with the token. From squishlist. ...
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How do I get the MIN() of two fields in Postgres?

Let's say I have a table like this: 3 Answers 3 ...
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Real-world applications of zygohistomorphic prepromorphisms

Yes, these ones : 2 Answers 2 ...