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Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
...eal difference between the money datatype and something like decimal(19,4) (which is what money uses internally, I believe).
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Summarizing multiple columns with dplyr? [duplicate]
... <dbl>
#> 1 1 3.08 2.98 2.98 2.91
#> 2 2 3.03 3.04 2.97 2.87
#> 3 3 2.85 2.95 2.95 3.06
If you want to summarize only certain columns, use summarise_at or summarise_if functions.
Alternatively, the purrrlyr package provides the same functionality:
library(purr...
How to force LINQ Sum() to return 0 while source collection is empty
...imon Belanger
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What is the difference between _tmain() and main() in C++?
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Salman von Abbas
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answered May 22 '09 at 0:09
jalfjalf
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How to handle back button in activity
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Saurabh PareekSaurabh Pareek
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How can I get nth element from a list?
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edited Mar 24 at 13:41
Community♦
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answered Mar 7 '11 at 7:59
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How to change the indentation width in emacs javascript mode
I'd like to use 2 spaces for my indents instead of 4. I can change the default behavior of C mode using:
9 Answers
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How to parse the AndroidManifest.xml file inside an .apk package
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MacarseMacarse
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Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术
...符号的编码都
不一样, 比如, U+0639表示阿拉伯字母Ain, U+0041表示英语的大写字母A, U+4E25表示汉
字"严". 具体的符号对应表, 可以查询unicode.org, 或者专门的汉字对应表.
2.2 Unicode的问题
需要注意的是, "Unicode只是一个符号集, 它...
Create zip file and ignore directory structure
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answered Mar 14 '12 at 20:59
Lars KotthoffLars Kotthoff
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