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What's the difference between `1L` and `1`?
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So, @James and @Brian explained what 3L means. But why would you use it?
Most of the time it makes no difference - but sometimes you can use it to get your code to run faster and consume less memory. A double ("numeric") vector uses 8 bytes per e...
How to get Linux console window width in Python
...the number of characters that fits in one line without wrapping, not the pixel width of the window.
14 Answers
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Sort a list from another list IDs
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docs = docs.OrderBy(d => docsIds.IndexOf(d.Id)).ToList();
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Functional programming - is immutability expensive? [closed]
The question is in two parts. The first is conceptual. The next looks at the same question more concretely in Scala.
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Can not connect to local PostgreSQL
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This really looks like a file permissions error. Unix domain sockets are files and have user permissions just like any other. It looks as though the OSX user attempting to access the database does not have file permissions to access the socket file. To confirm this I've done...
How to initialise a string from NSData in Swift
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This is how you should initialize the NSString:
Swift 2.X or older
let datastring = NSString(data: fooData, encoding: NSUTF8StringEncoding)
Swift 3 or newer:
let datastring = NSString(data: fooData, encoding: String.Encoding.utf8.rawValue)
This doc explains the syntax.
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How do I force detach Screen from another SSH session?
...detaches the already-running screen session, and screen -r reattaches the existing session. By running screen -d -r, you force screen to detach it and then resume the session.
If you use the capital -D -RR, I quote the man page because it's too good to pass up.
Attach here and now. Whatever t...
How to Convert all strings in List to lower case using LINQ?
...yList.ConvertAll(d => d.ToLower());
Not too much different than your example code. ForEach loops the original list whereas ConvertAll creates a new one which you need to reassign.
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Apache: “AuthType not set!” 500 Error
...ng up a local server for a project and when I try to request localhost/index.html, I get a 500 error and I see this in the error log:
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How to make tinymce paste in plain text by default
..., No one gives a complete solution of how to make Tinymce paste in plain text by default and strip out any formatting without clicking the "paste as text" button.
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