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ssh: The authenticity of host 'hostname' can't be established
..." or "no". This cause some trouble when running from scripts that automatically ssh to other machines.
15 Answers
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What is the Windows equivalent of the diff command?
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How do you do this with all changed files in two folders? Like, I compare folder1's contents to folder2's contents: any changed lines in folder2 show up?
– Wolfpack'08
Jan 19 '14 at 7:05
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Add only non-whitespace changes
I have my text editor to automatically trim trailing whitespace upon saving a file, and I am contributing to an open source project that has severe problems with trailing whitespace.
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Should I avoid 'async void' event handlers?
I know it is considered generally a bad idea to use fire-and-forget async void methods to start tasks, because there is no track of the pending task and it is tricky to handle exceptions which might be thrown inside such a method.
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How can I expose more than 1 port with Docker?
...ith EXPOSE, then perform docker run -P (note the uppercase) which automatically exposes all ports defined with EXPOSE in the Dockerfile
– Ted Avery
May 14 '15 at 13:13
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converting Java bitmap to byte array
When I look at the buffer after the call to copyPixelsToBuffer the bytes are all 0... The bitmap returned from the camera is immutable... but that shouldn't matter since it's doing a copy.
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Nullable ToString()
.... Also in this question, the former solution is suggested while nobody actually notices ToString() already gives the correct answer.
Maybe the argument for the more verbose solution is readability: When you call ToString() on something that is supposed to be null, you usually expect a NullReference...
How to rethrow the same exception in SQL Server
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@BrianJ: normally, whether the execution stops or not depends on the severity of the original error. If the severity is >= 11 then the execution should stop. It is really weird, because the raiserror inside the catch block with a sever...
How would you make two s overlap?
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With absolute or relative positioning, you can do all sorts of overlapping. You've probably want the logo to be styled as such:
div#logo {
position: absolute;
left: 100px; // or whatever
}
Note: absolute position has its eccentricities. You'll probably have to experim...
How to specify the order of CSS classes?
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I actually noticed in Bootstrap that my custom "back-to-top" class was ignored inside a <p> tag. But then when I reversed them and put my custom class first, both my class and Bootstrap's class' features were accepted: <p ...