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Convert data.frame columns from factors to characters
...ata frame. One option is to use the above but then use type.convert after casting everything to character, then recast factors back to character again.
– Shane
May 17 '10 at 18:56
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bash/fish command to print absolute path to a file
Question: is there a simple sh/bash/zsh/fish/... command to print the absolute path of whichever file I feed it?
20 Answers...
0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
...ered Oct 10 '13 at 14:13
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'\r': command not found - .bashrc / .bash_profile [duplicate]
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When all else fails in Cygwin...
Try running the dos2unix command on the file in question.
It might help when you see error messages like this:
-bash: '\r': command not found
Windows style newline characters can cause issues in Cygwin.
The dos2unix command modifies newline characte...
How do I import global modules in Node? I get “Error: Cannot find module ”?
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I am reading this and can not believe my eyes. So if I install, say express, and then have 20 projects to build on top of express, I need to install it 20 times, for each of them, in every project folder, over and over? I don't have much exper...
Determine file creation date in Java
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Java nio has options to access creationTime and other meta-data as long as the filesystem provides it.
Check this link out
For example(Provided based on @ydaetskcoR's comment):
Path file = ...;
BasicFileAttributes attr = Files.readAttributes(file, BasicFileAttributes...
Is there a way to suppress warnings in Xcode?
...warning in your code can be avoided by doing things correctly (normally by casting objects to the correct type) or by declaring prototypes when you need them.
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Signed versus Unsigned Integers
...es, you could do:
i = ((int) b[j]) << 8 | b[j+1]
(should probably cast the 2nd byte, but I'm guessing the compiler will do the right thing)
With signed values you would have to worry about sign extension and do:
i = (((int) b[i]) & 0xFF) << 8 | ((int) b[i+1]) & 0xFF
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Can Google Chrome open local links?
...urity flaw" but it also provides essential functionality in some instances and Chrome could give us the ability to enable it for certain URL's, with a warning and research to figure out how to do it, rather than just disabling it wholesale
– Arcan.NET
Dec 11 '1...
Shell command to tar directory excluding certain files/folders
Is there a simple shell command/script that supports excluding certain files/folders from being archived?
27 Answers
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