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Why does cURL return error “(23) Failed writing body”?
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Could you not simply pipe it through cat once? Solves the issue for me, at least.
– benvd
Jun 10 '16 at 14:26
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The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
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The StringBuilder class can be seen as a mutable String object which allocates more memory when its content is altered.
The original suggestion in the question can be written even more clearly and efficiently, by taking care of the redundant trailing comma:
StringBuilder result = new StringB...
How do I execute any command editing its file (argument) “in place” using bash?
...you can safely sort a file in place by using commands like sort -o F F and cat F | sort -o F. However, sort with --merge (-m) can open the output file before reading all input, so a command like cat F | sort -m -o F - G is not safe as sort might start writing F before cat is done reading it.
While...
Renaming files in a folder to sequential numbers
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Beauty in one line:
ls -v | cat -n | while read n f; do mv -n "$f" "$n.ext"; done
You can change .ext with .png, .jpg, etc.
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What is the difference between an annotated and unannotated tag?
...or lightweight tags, the SHA-1 points directly to a commit:
git tag light
cat .git/refs/tags/light
prints the same as the HEAD's SHA-1.
So no wonder they cannot contain any other metadata.
annotated tags point to a tag object in the object database.
git tag -as -m msg annot
cat .git/refs/tags/a...
How to get “wc -l” to print just the number of lines without file name?
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cat file.txt | wc -l
According to the man page (for the BSD version, I don't have a GNU version to check):
If no files are specified, the standard input is used and no file
name is
displayed. The prompt will ...
Execute and get the output of a shell command in node.js
...ing a rejected promise on failed commands, which can be handled with try / catch inside the async code.
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How to print an exception in Python?
...Thus I strongly prefer printing the traceback as in the solution below by @Cat Plus Plus! E.g. I had an issue with an invalid unicode character during XML parsing and printing the exception showed only "invalid character" or so. Not very helpful. The full trace showed "UnicodeEncodeError: character...
How to check size of a file using Bash?
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If you are looking for just the size of a file:
$ cat $file | wc -c
> 203233
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Which commit has this blob?
... Good to use in conjunction with git rev-list --objects --all | git cat-file --batch-check='%(objecttype) %(objectname) %(objectsize) %(rest)' | awk '/^blob/ {print substr($0,6)}' | sort --numeric-sort --key=2 -r | head -n 20, which returns you a top 20 largest blobs. Then you can pass blob I...