大约有 2,120 项符合查询结果（耗时：0.0119秒） [XML]
Python module for converting PDF to text [closed]
... the same position as is in the PDF. Now if only I could figure out how to pipe the contents of a PDF into it.
– Matthew Schinckel
May 31 '12 at 6:00
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When should I use perror(“…”) and fprintf(stderr, “…”)?
...scribes the current value of errno.
stderr: it's an output stream used to pipe your own error messages to (defaults to the terminal).
Relevant:
char *strerror(int errnum): give it an error number, and it'll return the associated error string.
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MySQL Results as comma separated list
...|','||col3 as foobar from table1;
in sql server you would use + instead of pipes.
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How to search and replace globally, starting from the cursor position and wrapping around the end of
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Don't forget (like I did) to escape the pipe if you're putting this in a key mapping.
– jazzabeanie
Sep 29 '16 at 23:16
11
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What is SOA “in plain english”? [closed]
...he consumer in this model, the City (or community) is the provider and the pipes, sewers, powerlines, optical fibers etc. is the Infrastructure in which they communicate.
This model could loosely be compared to a SOA. The people in the house uses a number of different "applications" like radiator...
Quicksort: Choosing the pivot
...edian of 3 quadratic (so its actually worse than plain random pivot)
E.g a pipe organ distribution (1,2,3...N/2..3,2,1) first and last will both be 1 and the random index will be some number greater than 1, taking the median gives 1 (either first or last) and you get an extermely unbalanced partitio...
How do I view 'git diff' output with my preferred diff tool/ viewer?
When I type git diff , I want to view the output with my visual diff tool of choice (SourceGear "diffmerge" on Windows). How do I configure git to do this?
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Convert data.frame column format from character to factor
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Another short way you could use is a pipe (%<>%) from the magrittr package. It converts the character column mycolumn to a factor.
library(magrittr)
mydf$mycolumn %<>% factor
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Good ways to manage a changelog using git?
I've been using Git for a while now, and I recently started using it to tag my releases so that I could more easily keep track of changes and be able to see which version each of our clients are running (unfortunately the code currently mandates that each client have their own copy of the PHP site; ...
How to create a temporary directory?
...moved even if the script exits abnormally.
trap "exit 1" HUP INT PIPE QUIT TERM
trap 'rm -rf "$TMPDIR"' EXIT
# Example use of TMPDIR:
for f in *.csv; do
cp "$f" "$TMPDIR"
# remove duplicate lines but keep order
perl -ne 'print if ++$k{$_}==1' "$TMPDIR/$f" > "$f"
done
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