大约有 30,000 项符合查询结果(耗时:0.0366秒) [XML]

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How to parse a string into a nullable int

I'm wanting to parse a string into a nullable int in C#. ie. I want to get back either the int value of the string or null if it can't be parsed. ...
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How to set a timer in android

...tion that I create which does not change the UI)? Use this the Java way: http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Timer.html ...
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Difference between classification and clustering in data mining? [closed]

Can someone explain what the difference is between classification and clustering in data mining? 21 Answers ...
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Interface defining a constructor signature?

It's weird that this is the first time I've bumped into this problem, but: 18 Answers ...
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How to get the index of an item in a list in a single step?

How can I find the index of an item in a list without looping through it? 7 Answers 7 ...
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Shell Script — Get all files modified after

I'd rather not do this in PHP so I'm hoping a someone decent at shell scripting can help. 9 Answers ...
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How to check Oracle database for long running queries

My application, which uses an Oracle database, is going slow or appears to have stopped completely. 8 Answers ...
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Are HTTP headers case-sensitive?

...s are not case sensitive. From RFC 2616 - "Hypertext Transfer Protocol -- HTTP/1.1", Section 4.2, "Message Headers": Each header field consists of a name followed by a colon (":") and the field value. Field names are case-insensitive. The updating RFC 7230 does not list any changes from RFC ...
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T-SQL: Deleting all duplicate rows but keeping one [duplicate]

I have a table with a very large amount of rows. Duplicates are not allowed but due to a problem with how the rows were created I know there are some duplicates in this table. I need to eliminate the extra rows from the perspective of the key columns. Some other columns may have slightly different...
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Configure apache to listen on port other than 80

...configure apache to listen on port 8079. I added LISTEN 8079 directive in httpd.conf . I opened port 8079 in iptables and restarted iptables. I even stopped iptables service. ...