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I am very new to scheme and i am trying to open it to try some codes.
Scheme is located at
/usr/local/bin/scheme
I am coming to the directory and writing
scheme
to start it but it does not work. I get
scheme command not found
error.
What should i do to start the scheme and write the code? This should be a trivial question, sorry for that but i could not find what to do.
Thank you
If you get a "command not found" error, that must mean that /usr/local/bin is not in your $PATH. You can either add it to your $PATH, call scheme using its absolute path (i.e. type /usr/local/bin/scheme instead of just scheme) or its relative path (i.e. type ./scheme while in the /usr/local/bin directory).
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So when I run R and try to read a file, it gives me an error like this
Error message
But I definitely have my file in my directory. As I can tell below photo.
working directory
How can I solve this problem??
You definitely don't have that file in your directory as I can tell from your photo.
However it seems you don't understand what you're looking at. It seems you want to use the rubber.df dataset from the R330 package which you can load using data(rubber.df) and then use by calling rubber.df
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I have many questions connected with OCaml ?
How to compile code ? I desire to have a .exe file (I'm working on windows)
How to use #use ? In one folder I have two files:
file1.ml and file2.ml
And file2.ml contains #use "file1.ml", but compiler cannot find file1.ml. What should I do ?
Try ocamlc or ocamlopt
#use is a toplevel directive. When relying on the compiler to create an executable, files are compiled separately and then linked, just like with compilers for most other languages.
If you really want to learn OCaml, please refer to this book:
https://realworldocaml.org/v1/en/html/index.html
It was out weeks ago and it is currently the best book about OCaml. And its HTML version is free.
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I need to find a list of files that contain 2 different words. For example, I need to search for a list of files from a folder that contain the word "Balloon" and then from the result, need to search for files that contain the word "burst".
Is it possible to do this using Textpad?
Edited answer because I see what you want is, in effect, to find any file with both balloon and burst in. You can simply use balloon.*burst (or balloon.+burst if you don't want to match balloonburst in the file):
Don't forget to search In all documents - and my advice would be to hit Mark All to show the results. Bearing in mind you'd need to open these files in TextPad first.
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I'm looking for a free way to be able to unzip files automatically in a folder. From what I've read, there seem to be a few ways to do this, but I'm limited because I do not have any zip/unzip software other than what is provided with Windows. Additionally, I do want to incorporate the executable/task or whatever it might be into an SSIS package, as this is the only way I have to create a scheduled task in my environment. Is this a tall order? Any suggestions would be very helpful. Thanks.
I hope this helps as i also was looking for such a program as WinZip and WinRar are good but there are limitations and then i found ExtractNow
http://www.extractnow.com/
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Files in UNIX filesystems have 3 types of timestamps: Access, Modify, and Change. In order to investigate this, I created a file and I want to look at timestamps . Anybody knows how can i look the different timestamps. Then, which commands timestamps.
Use stat command:
stat filename
to change the atime and mtime, use the touch command:
touch --time=atime -t 198805232211.45
touch --time=mtime -t 205012300945.30