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Controlling number of decimal digits in print output in R
There is an option in R to get control over digit display. For example:
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Putty: Getting Server refused our key Error
I created key pair using puttygen.exe (client is windows 8). On server (Ubuntu 12.04.3 LTS), I have put my public key in ~/.ssh/authorized_keys . The public key is this:
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Truncating all tables in a Postgres database
...data from my PostgreSQL database before a rebuild. How would I do this directly in SQL?
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Regular Expressions- Match Anything
How do I make an expression to match absolutely anything (including whitespaces)? Example:
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How to tell if node.js is installed or not
I've recently installed node.js and I have no idea how to run applications. I installed node.js but couldn't find further instructions. What does one really need to do? I wanted to see if it was actually working. So I executed a script called hello.js. It went as such:
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MISCONF Redis is configured to save RDB snapshots
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Do checkbox inputs only post data if they're checked?
Is it standard behaviour for browsers to only send the checkbox input value data if it is checked upon form submission?
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What special characters must be escaped in regular expressions?
I am tired of always trying to guess, if I should escape special characters like ' ()[]{}| ' etc. when using many implementations of regexps.
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How to use find command to find all files with extensions from list?
I need to find all image files from directory (gif, png, jpg, jpeg).
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How to wait for async method to complete?
I'm writing a WinForms application that transfers data to a USB HID class device. My application uses the excellent Generic HID library v6.0 which can be found here . In a nutshell, when I need to write data to the device, this is the code that gets called:
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