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Deep Learning（深度学习）学习笔记整理系列之（三） - 大数据 & AI - 清泛...
..._Series_3Deep Learning（深度学习）学习笔记整理系列zouxy09@qq.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列
zouxy09@qq.com
http://blog.csdn.net/zouxy09
作者：Zouxy
version 1.0 2013-04-...
Visual Studio Copy Project
...k into Visual Studio and open the copy. From there, I would most likely recommend re-naming the project/solution so that you don't have two of the same name, but that is the fastest way to make a copy.
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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...in most cases, better collation, flexibility for the users, removes future compatibility issues. And by the way storage space is not an issue for this case, as using collation without Unicode is a lot of hassle, and memory rates will continue to decrease in future
– Jaison Varg...
How do I put all required JAR files in a library folder inside the final JAR file with Maven?
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How to sum a variable by group
...e(cbind(x$Frequency, x$Metric2, x$Metric3) ...
(embedding @thelatemail comment), aggregate has a formula interface too
aggregate(Frequency ~ Category, x, sum)
Or if you want to aggregate multiple columns, you could use the . notation (works for one column too)
aggregate(. ~ Category, x, sum)...
Multiline strings in JSON
...at you think your are. Maybe this answer explains it better: stackoverflow.com/a/9295597/359996. Note especially the bit about double escaping.
– user359996
Mar 7 '14 at 17:28
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Are static variables shared between threads?
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There isn't anything special about static variables when it comes to visibility. If they are accessible any thread can get at them, so you're more likely to see concurrency problems because they're more exposed.
There is a visibility issue imposed by the JVM's memory model. Here's an ...
Convert to/from DateTime and Time in Ruby
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185
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JUnit vs TestNG [closed]
... TestNG groups can be done in JUnit 4.8 with Categories: kentbeck.github.com/junit/doc/ReleaseNotes4.8.html.
– Kaitsu
Feb 1 '10 at 13:16
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jQuery pass more parameters into callback
...behavior differs a lot depending on JS runtime (read browser). Also try to compare the function name shown in stacktrace/breakpoint in Firebug.
– Ihor Kaharlichenko
May 25 '11 at 7:51
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