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How can I escape white space in a bash loop list?
...' +
The other safe approach is to use NUL-terminated list, though this requires that your find support -print0:
# this is safe
while IFS= read -r -d '' n; do
printf '%q\n' "$n"
done < <(find test -mindepth 1 -type d -print0)
You can also populate an array from find, and pass that array ...
How to skip “are you sure Y/N” when deleting files in batch files
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Use del /F /Q to force deletion of read-only files (/F) and directories and not ask to confirm (/Q) when deleting via wildcard.
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What does “dereferencing” a pointer mean?
... // Dereference and access data member x.d_
(*p).d_ *= -1; // Another equivalent notation for accessing x.d_
Multi-byte data types
To use a pointer, a computer program also needs some insight into the type of data that is being pointed at - if that data type needs more than one byte to repres...
lose vim colorscheme in tmux mode
... must be set are 1. your terminal emulator's TERM to xterm-256color or an equivalent value like urxvt-unicode-256color and 2. tmux's default TERM with set -g default-terminal "screen-256color".
– romainl
Mar 11 '14 at 22:28
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How can I set the request header for curl?
How would I pass multiple values in the header for a curl request?
3 Answers
3
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Proper URL forming with Query String and Anchor Hashtag
When both a query string and anchor tag (hash tag) are visible in a URL, what is the proper order for them to appear?
4 Ans...
Check if database exists in PostgreSQL using shell
...to tell me about whether it is possible to use shell to check if a PostgreSQL database exists?
12 Answers
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How do I request a file but not save it with Wget? [closed]
I'm using Wget to make http requests to a fresh web server. I am doing this to warm the MySQL cache. I do not want to save the files after they are served.
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diff to output only the file names
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From the diff man page:
-q Report only whether the files differ, not the details of the differences.
-r When comparing directories, recursively compare any subdirectories found.
Example command:
diff -qr dir1 dir2
Example output (depends...
How can you determine a point is between two other points on a line segment?
... that the dot product of (b-a) and (c-a) is positive and is less than the square of the distance between a and b.
In non-optimized pseudocode:
def isBetween(a, b, c):
crossproduct = (c.y - a.y) * (b.x - a.x) - (c.x - a.x) * (b.y - a.y)
# compare versus epsilon for floating point values, o...