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How to avoid warning when introducing NAs by coercion
...drieAndrie
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Set a default parameter value for a JavaScript function
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64
In ECMAScript 6 you will actually be able to write exactly what you have:
function read_file(f...
Immutability of Strings in Java
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davebdaveb
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add a...
App Inventor 2 Web客户端（Web）详细用法示例 · App Inventor 2 中文网
... NUL。表单文本采用 UTF-8；文件内容按字节发送，不做 Base64 转换。
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Most efficient way to remove special characters from string
... nologo
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answered Jul 13 '09 at 15:45
GuffaGuffa
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What does a double * (splat) operator do
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Daniel RikowskiDaniel Rikowski
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Return value in a Bash function
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Functions in Bash are not functions like in other language; they're actually commands. So funct...
How do I get the result of a command in a variable in windows?
...th parameter /P and direct your output to it.
For example see http://www.ss64.com/nt/set.html. Will work for CMD, not sure about .BAT files
From a comment to this post:
That link has the command "Set /P
_MyVar=<MyFilename.txt" which says it will set _MyVar to the first line
from MyFilena...
Use of ~ (tilde) in R programming Language
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Ari B. FriedmanAri B. Friedman
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How to check if object (variable) is defined in R?
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64
if you are inside a function, missing() is what you want.
exchequer = function(x) {
if(mis...