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Writing files in Node.js
.../home/", but I got the following error: { [Error: EACCES, open '/home/test.txt'] errno: 3, code: 'EACCES', path: '/home/test.txt' } How can I modify this script so that it will work outside of /tmp?
– Anderson Green
Sep 10 '12 at 20:37
...
git: diff between file in local repo and origin
... file to the local file:
git diff remotename/branchname:remote/path/file1.txt local/path/file1.txt
To view the differences in the other direction:
git diff HEAD:local/path/file1.txt remotename/branchname:remote/path/file1.txt
Basically you can diff any two files anywhere using this notation:
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How to force JS to do math instead of putting two strings together
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You have the line
dots = document.getElementById("txt").value;
in your file, this will set dots to be a string because the contents of txt is not restricted to a number.
to convert it to an int change the line to:
dots = parseInt(document.getElementById("txt").value, 10)...
How to safely open/close files in python 2.4
...ally fail.
Hence use close() elegantly with try/finally:
f = open('file.txt', 'r')
try:
# do stuff with f
finally:
f.close()
This ensures that even if # do stuff with f raises an exception, f will still be closed properly.
Note that open should appear outside of the try. If open itsel...
How to redirect 'print' output to a file using python?
I want to redirect the print to a .txt file using python. I have a 'for' loop, which will 'print' the output for each of my .bam file while I want to redirect ALL these output to one file. So I tried to put
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What's the best practice for putting multiple projects in a git repository? [closed]
...it checkout thesis
echo "the meaning of meaning" > philosophy_doctorate.txt
git add philosophy_doctorate.txt
git commit -m "Ph.D"
Switch back and forth
Go back and forwards between projects whenever you like.
This example goes back to the chess software project.
git checkout software
echo "w...
How to install a plugin in Jenkins manually
...ter/plugins.sh
Example of a parent Dockerfile:
FROM jenkins
COPY plugins.txt /plugins.txt
RUN /usr/local/bin/plugins.sh /plugins.txt
plugins.txt
<name>:<version>
<name2>:<version2>
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Turning multi-line string into single comma-separated
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You can use awk and sed:
awk -vORS=, '{ print $2 }' file.txt | sed 's/,$/\n/'
Or if you want to use a pipe:
echo "data" | awk -vORS=, '{ print $2 }' | sed 's/,$/\n/'
To break it down:
awk is great at handling data broken down into fields
-vORS=, sets the "output record separ...
How to load program reading stdin and taking parameters in gdb?
... you'd do it like this:
% gdb myprogram
gdb> run params ... < input.txt
This seems to work within emacs too.
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How do you do a simple “chmod +x” from within python?
... can also do this
>>> import os
>>> st = os.stat("hello.txt")
Current listing of file
$ ls -l hello.txt
-rw-r--r-- 1 morrison staff 17 Jan 13 2014 hello.txt
Now do this.
>>> os.chmod("hello.txt", st.st_mode | 0o111)
and you will see this in the terminal.
ls -...