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Detect if a jQuery UI dialog box is open
I am using a jQuery UI dialog. If it is open, I want to do one thing. If it is closed, I want to do another.
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Using sed, how do you print the first 'N' characters of a line?
Using sed what is an one liner to print the first n characters ? I am doing the following:
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Write string to text file and ensure it always overwrites the existing content.
I have a string with a C# program that I want to write to a file and always overwrite the existing content. If the file isn't there, the program should create a new file instead of throwing an exception.
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How to force R to use a specified factor level as reference in a regression?
How can I tell R to use a certain level as reference if I use binary explanatory variables in a regression?
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What does flushing the buffer mean?
I am learning C++ and I found something that I can't understand:
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Difference between addSubview and insertSubview in UIView class
What is the difference between addSubview and insertSubView methods when a view is added programmatically?
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Force DOM redraw/refresh on Chrome/Mac
Every once in a while, Chrome will render perfectly valid HTML/CSS incorrectly or not at all. Digging in through the DOM inspector is often enough to get it to realize the error of its ways and redraw correctly, so it's provably the case that the markup is good. This happens frequently (and predi...
How do I convert a Vector of bytes (u8) to a string
I am trying to write simple TCP/IP client in Rust and I need to print out the buffer I got from the server.
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Add new row to dataframe, at specific row-index, not appended?
The following code combines a vector with a dataframe:
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How to append the output to a file?
How can I do something like command > file in a way that it appends to the file, instead of overwriting?
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