大约有 5,219 项符合查询结果（耗时：0.0128秒） [XML]
Scanner vs. StringTokenizer vs. String.Split
I just learned about Java's Scanner class and now I'm wondering how it compares/competes with the StringTokenizer and String.Split. I know that the StringTokenizer and String.Split only work on Strings, so why would I want to use the Scanner for a String? Is Scanner just intended to be one-stop-shop...
Reading specific lines only
... a file, but I only want to read specific lines, say line #26 and #30. Is there any built-in feature to achieve this?
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Efficient way to determine number of digits in an integer
What is a very efficient way of determining how many digits there are in an integer in C++?
28 Answers
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Generating a unique machine id
I need to write a function that generates an id that is unique for a given machine running a Windows OS.
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How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js
I'm trying to build a web server in node.js that will support cross-domain scripting, while still providing static files from a public directory. I'm using the express.js and am not really sure how to allow cross-domain scripting ( Access-Control-Allow-Origin: * ).
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What must I know to use GNU Screen properly? [closed]
I've just introduced a friend to GNU Screen and they're having a hard time getting used to it. That makes me think about the essential things he needs to know about the excellent Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What ar...
Converting Select results into Insert script - SQL Server [closed]
I have SQL Server 2008 , SQL Server Management Studio.
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how do I use UIScrollView in Interface Builder?
While I've used UIScrollView successfully in the past by manipulating it programmatically, I'm having trouble getting it to work by setting it up exclusively in Interface Builder.
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Styling multi-line conditions in 'if' statements? [closed]
Sometimes I break long conditions in if s onto several lines. The most obvious way to do this is:
30 Answers
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Doctrine - How to print out the real sql, not just the prepared statement?
We're using Doctrine, a PHP ORM. I am creating a query like this:
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