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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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Android emulator failed to allocate memory 8
When I try to run my WXGA800 emulator from Eclipse it's giving an error like this
12 Answers
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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 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 does RegexOptions.Compiled work?
What is going on behind the scenes when you mark a regular expression as one to be compiled? How does this compare/is different from a cached regular expression?
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How can I get the behavior of GNU's readlink -f on a Mac?
On Linux, the readlink utility accepts an option -f that follows additional links. This doesn't seem to work on Mac and possibly BSD based systems. What would the equivalent be?
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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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What is the meaning of “__attribute__((packed, aligned(4))) ”
...ss bytes between the end of the last data structure and the start of the next, which is data structure padding.
gcc provides functionality to disable structure padding. i.e to avoid these meaningless bytes in some cases. Consider the following structure:
typedef struct
{
char Data1;
in...