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转：postfix安装Q&A 原文地址：http: bbs.chinaunix.net viewthread.php?tid=770141执照wangmingda老大的资料安装成功postfix（地址在这里http: www.extmail....
原文地址：http://bbs.chinaunix.net/viewthread.php?tid=770141
执照wangmingda老大...
R cannot be resolved - Android error
...just downloaded and installed the new Android SDK. I wanted to create a simple application to test drive it.
108 Answers
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Why is it not possible to extend annotations in Java?
...he answer in the JSR 175 Design FAQ, where it says:
Why don’t you support annotation subtyping (where one annotation type extends another)?
It complicates the annotation type
system, and makes it much more
difficult to write “Specific Tools”.
…
“Specific Tools” ...
Why does dividing two int not yield the right value when assigned to double?
How come that in the following snippet
10 Answers
10
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Git: cannot checkout branch - error: pathspec '…' did not match any file(s) known to git
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Try git fetch so that your local repository gets all the new info from github. It just takes the information about new branches and no actual code. After that the git checkout should work fine.
...
Repeat table headers in print mode
Is it possible in CSS using a property inside an @page to say that table headers (th) should be repeated on every page if the table spreads over multiple pages?
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How can I wrap or break long text/word in a fixed width span?
I want to create a span with a fixed width that when I type any thing in the span like <span>lgasdfjksdajgdsglkgsadfasdfadfasdfadsfasdfasddkgjk</span> , a long string of non-spaced text, the word(s) break or wrap to next line.
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How to shut down the computer from C#
What's the best way to shut down the computer from a C# program?
16 Answers
16
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Should a Netflix or Twitter-style web service use REST or SOAP? [closed]
I've implemented two REST services: Twitter and Netflix. Both times, I struggled to find the use and logic involved in the decision to expose these services as REST instead of SOAP. I hope somebody can clue me in to what I'm missing and explain why REST was used as the service implementation for ser...
Oracle SQL: Update a table with data from another table
...
This is called a correlated update
UPDATE table1 t1
SET (name, desc) = (SELECT t2.name, t2.desc
FROM table2 t2
WHERE t1.id = t2.id)
WHERE EXISTS (
SELECT 1
FROM table2 t2
WHERE t1.id = ...