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Create a tar.xz in one command
...which happens to be xz -z -. XZ is configured to compress (-z) the archive from standard input (-).
You redirect the output from xz to the tar.xz file.
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How to find encoding of a file via script on Linux?
...ere are no non-ascii chars in your utf-8 file, then it's indistinguishable from ascii :)
– vadipp
Mar 2 '17 at 10:36
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String was not recognized as a valid DateTime “ format dd/MM/yyyy”
..."22/11/2009". Also the culture of the development machine can be different from the culture of the production. So will the above code work seamlessly?
– Rahatur
Feb 24 '12 at 9:11
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What is the benefit of using $() instead of backticks in shell scripts?
...ir directory tree which have the same name as the earliest dated text file from December 2011 (a).
Another example would be something like getting the name (not the full path) of the parent directory:
pax> cd /home/pax/xyzzy/plugh
pax> parent=$(basename $(dirname $PWD))
pax> echo $parent
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Different floating point result with optimization enabled - compiler bug?
...wide. Different optimization levels affect how often floating point values from CPU get saved into memory and thus rounded from 80-bit precision to 64-bit precision.
Use the -ffloat-store gcc option to get the same floating point results with different optimization levels.
Alternatively, use the l...
What to do with commit made in a detached head
...detached head, don't checkout old commits. If you still want all the files from there, but as a new commit, then you could checkout the directory from the commit, instead of the commit itself. See this answer
– lucidbrot
Dec 3 '17 at 10:35
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Are there pronounceable names for common Haskell operators? [closed]
...| "such that" |
| <- | "is drawn from" |
| = | "is defined to be" / "is defined as" |
| :: | "has type" / "of type" / "is of type" |
| -> | "a function that takes ... and returns a ..." / |
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What's the difference between lists and tuples?
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Apart from tuples being immutable there is also a semantic distinction that should guide their usage. Tuples are heterogeneous data structures (i.e., their entries have different meanings), while lists are homogeneous sequences. Tu...
NPM doesn't install module dependencies
...re node_modules folder and re-installing worked for me. Learned this trick from the IT Crowd show!
rm -rf node_modules
npm install
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String slugification in Python
...retty good job of slugifying:
pip install python-slugify
Works like this:
from slugify import slugify
txt = "This is a test ---"
r = slugify(txt)
self.assertEquals(r, "this-is-a-test")
txt = "This -- is a ## test ---"
r = slugify(txt)
self.assertEquals(r, "this-is-a-test")
txt = 'C\'est déjà l...