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Why does the 260 character path length limit exist in Windows?
...null] = 260. One could assume that 256 is a reasonable fixed string length from the DOS days. And going back to the DOS APIs we realize that the system tracked the current path per drive, and we have 26 (32 with symbols) maximum drives (and current directories).
The INT 0x21 AH=0x47 says “This fu...
Correct format specifier to print pointer or address?
...epresentation of a char * address for a given memory location is different from the 'anything else pointer' address for the same memory location. This would be a word-addressed, instead of byte-addressed, machine. Such machines are not common (probably not available) these days, but the first mach...
How do I disable the security certificate check in Python requests
...
From the documentation:
requests can also ignore verifying the SSL certificate if you set
verify to False.
>>> requests.get('https://kennethreitz.com', verify=False)
<Response [200]>
If you're using a...
Python Empty Generator Function
... Python 3.3 and above (as suggested by DSM), this:
def empty():
yield from ()
The presence of the yield keyword makes it clear at the briefest glance that this is just another generator function, exactly like all the others. It takes a bit more time to see that the iter(()) version is doing t...
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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