大约有 13,071 项符合查询结果(耗时:0.0199秒) [XML]

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Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?

Why is it that scanf() needs the l in " %lf " when reading a double , when printf() can use " %f " regardless of whether its argument is a double or a float ? ...
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How do I temporarily disable triggers in PostgreSQL?

I'm bulk loading data and can re-calculate all trigger modifications much more cheaply after the fact than on a row-by-row basis. ...
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CSS does the width include the padding?

It seems that in IE, the width includes the padding size. while in FF, the width does not. How can I make both behave the same? ...
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Which data type for latitude and longitude?

I am newbie to PostgreSQL and PostGIS. I want to store latitude and longitude values in PostgreSQL 9.1.1 database table. I will calculate distance between two points, find nearer points by using this location values. ...
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What is the difference between a .xib file and a .storyboard?

... Apple introduced the concept of "storyboarding" in iOS5 SDK to simplify and better manage screens in your app. You can still use the .xib way of development. Pre-storyboard, each UIViewController had an associated .xib with it. Storybo...
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Regex exactly n OR m times

Consider the following regular expression, where X is any regex. 6 Answers 6 ...
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Which encoding opens CSV files correctly with Excel on both Mac and Windows?

...e have a web app that exports CSV files containing foreign characters with UTF-8, no BOM. Both Windows and Mac users get garbage characters in Excel. I tried converting to UTF-8 with BOM; Excel/Win is fine with it, Excel/Mac shows gibberish. I'm using Excel 2003/Win, Excel 2011/Mac. Here's all the e...
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Spring @PostConstruct vs. init-method attribute

Is there any difference between using the @PostConstruct annotation and declaring the same method as init-method in Spring XML configuration? ...
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Types in Objective-C on iOS

I want to ask about the fundamental data types in Objective-C on iOS. 3 Answers 3 ...
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Rebasing remote branches in Git

I am using an intermediate Git repository to mirror a remote SVN repository, from which people can clone and work on. The intermediate repository has it's master branch rebased nightly from the upstream SVN, and we are working on feature branches. For example: ...