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How is Generic Covariance & Contra-variance Implemented in C# 4.0?
...you take values "out" of it - it doesn't let you add new ones. That will become IEnumerable<out T>. That doesn't hurt type safety at all, but lets you return an IEnumerable<string> from a method declared to return IEnumerable<object> for instance.
Contravariance is harder to give ...
Path.Combine for URLs?
Path.Combine is handy, but is there a similar function in the .NET framework for URLs ?
40 Answers
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jQuery - multiple $(document).ready …?
... or even shorter $(function() { // dom ready codes }); api.jquery.com/ready
– davehale23
May 3 '12 at 15:21
220
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How to make pipes work with Runtime.exec()?
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Write a script, and execute the script instead of separate commands.
Pipe is a part of the shell, so you can also do something like this:
String[] cmd = {
"/bin/sh",
"-c",
"ls /etc | grep release"
};
Process p = Runtime.getRuntime().exec(cmd);
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How does Go update third-party packages?
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go get -u all no longer works! Running this command in the GOPATH, at least for Go 1.13, will return a warning: `warning "all" matched no packages"
– muad
Sep 8 '19 at 23:50
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iTextSharp - Sending in-memory pdf in an email attachment
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Haml: Control whitespace around text
In my Rails template, I'd like to accomplish final HTML to this effect using HAML:
13 Answers
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How to put a label on an issue in GitHub if you are not a contributor / owner?
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Sublime Text 2 - Link with Editor / Show file in sidebar
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https://github.com/sobstel/SyncedSideBar
You can install this via the Package Control utility (although it doesn't mention it on the github page).
share
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Change name of folder when cloning from GitHub?
...thing from Github, it creates a folder with the same name as the app on my computer. Is there a way to change the name?
5 A...