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What is /dev/null 2>&1?

...hich discards it. (The >> seems sort of superfluous, since >> means append while > means truncate and write, and either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.) 2>&1 redirects standard error (2) to standard output...
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Get all directories within directory nodejs

...irectory() const getDirectories = source => readdirSync(source).map(name => join(source, name)).filter(isDirectory) Update for Node 10.10.0+ We can use the new withFileTypes option of readdirSync to skip the extra lstatSync call: const { readdirSync } = require('fs') const getDirectorie...
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ASP.NET MVC 5 - Identity. How to get current ApplicationUser

...an Article entity in my project which has the ApplicationUser property named Author . How can I get the full object of currently logged ApplicationUser ? While creating a new article, I have to set the Author property in Article to the current ApplicationUser . ...
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How to avoid annoying error “declared and not used”

...you are always sure that all declared variables will be used), and avoid some possible dead code. But, if you really want to skip this error, you can use the blank identifier (_) : package main import ( "fmt" // imported and not used: "fmt" ) func main() { i := 1 // i declared and not us...
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Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar

From the Immediate Window in Visual Studio: 16 Answers 16 ...
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How to print without newline or space?

... In Python 3, you can use the sep= and end= parameters of the print function: To not add a newline to the end of the string: print('.', end='') To not add a space between all the function arguments you want to print: print('a', 'b', 'c', sep='') You can pass any str...
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Expert R users, what's in your .Rprofile? [closed]

...e both useful and instructive about the language. Moreover, while I have some customization for Bash and Vim , I have nothing for R. ...
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Android global variable

... You can extend the base android.app.Application class and add member variables like so: public class MyApplication extends Application { private String someVariable; public String getSomeVariable() { return someVariable; } public void setSomeVariable(String s...
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Git Server Like GitHub? [closed]

I am a long time Subversion user that is going to try Git. I have read some about it and understand the distributed nature - I can see a lot of the benefits. ...
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Opacity of div's background without affecting contained element in IE 8?

I want to set Opacity of div's background without affecting contained element in IE 8. have a any solution and don't answer to set 1 X 1 .png image and set opacity of that image because I am using dynamic opacity and color admin can change that ...