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How to rename a single column in a data.frame?
... Joshua UlrichJoshua Ulrich
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How to reshape data from long to wide format
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Using reshape function:
reshape(dat1, idvar = "name", timevar = "numbers", direction = "wide")
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Is it correct to use alt tag for an anchor link?
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edited Nov 5 '16 at 8:13
answered Feb 13 '13 at 10:14
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Where is Java Installed on Mac OS X?
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Use /usr/libexec/java_home -v 1.8 command on a terminal shell to figure out where is your Java 1.8 home directory
If you just want to find out the home directory of your most recent version of Java, omit the version. e.g. /usr/libexec/java_home
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What is a NullReferenceException, and how do I fix it?
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28 Answers
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getExtractedText on inactive InputConnection warning on android
...ing setText("");
– box
Sep 7 '16 at 8:39
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How to find unused/dead code in java projects [closed]
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edited Oct 6 '08 at 23:44
answered Oct 2 '08 at 14:48
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What is the argument for printf that formats a long?
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answered Sep 1 '08 at 22:50
postfuturistpostfuturist
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Drawing a line/path on Google Maps
...nt(19240000,-99120000);
GeoPoint gP2 = new GeoPoint(37423157, -122085008);
Point p1 = new Point();
Point p2 = new Point();
Path path = new Path();
Projection projection=mapv.getProjection();
projection.toPixels(gP1, p1);
projection.toPixels(g...
redmine开源项目管理工具介绍 - 开源 & Github - 清泛网 - 专注IT技能提升
...项目预览。在这里可以看到一个任务状态的起止日期。
8.新闻
可以发布关于项目条目，甚至任何你喜欢的新闻条目。
9.文档
这里可以书写不同类型的文档，默认有两种文档类型用户文档和技术文档。
10.文件
这里可以上传...