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Linear Regression and group by in R

... In my opinion is a mixed linear model a better approach for this kind of data. The code below given in the fixed effect the overall trend. The random effects indicate how the trend for each individual state differ from the global trend. The cor...
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What is Objective C++? [closed]

... Objective-C++ is simply source code that mixes Objective-C classes and C++ classes (two entirely unrelated entities). Your C++ code will work, just as before, and the resulting executable will be linked with the Objective-C runtime, so your Objective-C classes will ...
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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?

...levant sections of the GNU Make documentation, and note that you shouldn't mix the syntaxes within a single expression) share | improve this answer | follow | ...
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译文:理解Java中的弱引用 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...文原文进行研究。 Java高阶推荐 Java虚拟机规范(Java SE 7) 图灵程序设计丛书:Java性能优化权威指南 深入理解Java虚拟机:JVM高级特性与最佳实践(第2) Java 弱引用
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What is the standard naming convention for html/css ids and classes?

..., which may easily change over time. Update 2013 It looks like I like to mix things up yearly... After switching to Sublime Text and using Bootstrap for a while, I've gone back to dashes. To me now they look a lot cleaner than un_der_scores or camelCase. My original point still stands though: ther...
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Are there conventions on how to name resources?

... @StephaneEybert, You can add the activity name in the mix, buy why would you want to access a view of a different activity. :) – Samuel Jun 4 '15 at 2:51 ...
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What is in your .vimrc? [closed]

...tusline_tab_warning "return '[&et]' if &et is set wrong "return '[mixed-indenting]' if spaces and tabs are used to indent "return an empty string if everything is fine function! StatuslineTabWarning() if !exists("b:statusline_tab_warning") let b:statusline_tab_warning = '' ...
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Uppercase or lowercase doctype?

...e second part can be written in lowercase (html), uppercase (HTML) or even mixed case (hTmL) — it will still work. However, to conform to the Polyglot Markup Guidelines for HTML-Compatible XHTML Documents, it should be written in lowercase. ...
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Case objects vs Enumerations in Scala

...tion patterns posted: A) Actually directly using Java Enum pattern (in a mixed Scala/Java project): public enum ChessPiece { KING('K', 0) , QUEEN('Q', 9) , BISHOP('B', 3) , KNIGHT('N', 3) , ROOK('R', 5) , PAWN('P', 1) ; private char character; private int pointValue; priv...
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Excluding directory when creating a .tar.gz file

...ubuntu 11.04) all the paths given must be relative or full path. You can't mix absolute and relative paths in the same command. sudo tar -czvf 2011.10.24.tar.gz ./start-directory --exclude "home/user/start-directory/logs" will not exclude logs directory but sudo tar -czvf 2011.10.24.tar.gz ./sta...