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Trying to SSH into an Amazon Ec2 instance - permission error
This is probably a stupidly simple question to some :)
29 Answers
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Is it possible to set a number to NaN or infinity?
Is it possible to set an element of an array to NaN in Python?
4 Answers
4
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How to convert nanoseconds to seconds using the TimeUnit enum?
How to convert a value from nanoseconds to seconds?
7 Answers
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CSS Div stretch 100% page height
I have a navigation bar on the left hand side of my page, and I want it to stretch to 100% of the page height. Not just the height of the viewport, but including the areas hidden until you scroll. I don't want to use javascript to accomplish this.
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How to embed a video into GitHub README.md?
Is it possible to embed a flash video into README.md on GitHub? It isn't showing up: https://github.com/mattdipasquale/PicSciP
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Why does one often see “null != variable” instead of “variable != null” in C#?
...the more readable code, as an "if" statement requires a Boolean expression to start with, and the type of "x=5" is Int32, not Boolean.
I suggest that if you see this in your colleagues' code, you educate them in the ways of modern languages, and suggest they write the more natural form in future.
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How to Find And Replace Text In A File With C#
...l file content. Make a replacement with String.Replace. Write content back to file.
string text = File.ReadAllText("test.txt");
text = text.Replace("some text", "new value");
File.WriteAllText("test.txt", text);
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What's the difference between @Component, @Repository & @Service annotations in Spring?
Can @Component , @Repository and @Service annotations be used interchangeably in Spring or do they provide any particular functionality besides acting as a notation device?
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SQL/mysql - Select distinct/UNIQUE but return all columns?
I am trying to accomplish the following sql statement but I want it to return all columns is this possible? Something like:
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Should I pass a shared_ptr by reference? [duplicate]
... that nobody is concurrently deleting the object, though this shouldn't be too hard if you're careful about to whom you give references.
In general, you should pass the shared pointer as a straight copy. This gives it its intended semantics: Every scope that contains a copy of the shared pointer ke...