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How can I get the Google cache age of any URL or web page? [closed]
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wow, it even works around robots.txt; I use it to read blogger since our corporate firewall disabled its URL
– Gabor
Apr 13 '12 at 10:17
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How to find if directory exists in Python
... os
print(os.path.isdir("/home/el"))
print(os.path.exists("/home/el/myfile.txt"))
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Use grep to report back only line numbers
... second field after the colon, not the first.
grep -n "text to find" file.txt | cut -f2 -d:
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How to get the second column from command output?
...1 c2; do echo $c2; done
or:
while read c1 c2; do echo $c2; done < in.txt
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Asking the user for input until they give a valid response
...'t exist! Try again: 1
This path doesn't exist! Try again: existing_file.txt
existing_file.txt
Limiting number of tries:
If you don't want to torture a user by asking him something an infinite number of times, you can specify a limit in a call of itertools.repeat. This can be combined with prov...
get just the integer from wc in bash
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To get just line count without whitespace: wc -l < foo.txt | xargs ref - stackoverflow.com/a/12973694/149428
– Taylor Edmiston
Feb 7 '19 at 22:17
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Hiding the scroll bar on an HTML page
...ng and Scrollbars
https://tools.ietf.org/id/draft-hellstrom-textpreview-02.txt
https://tools.ietf.org/id/draft-mrose-blocks-service-01.txt
Miscellaneous
In an HTML5 specification draft, the seamless attribute was defined to prevent scroll-bars from appearing in iFrames so that they could be blend...
How can I check the extension of a file?
...ch
import os
for file in os.listdir('.'):
if fnmatch.fnmatch(file, '*.txt'):
print file
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How to attach file to a github issue?
... github without any extension or plug-in: PNG, GIF, JPG, DOCX, PPTX, XLSX, TXT, or PDF
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Undefined reference to pthread_create in Linux
...a bug), then there is a direct lower level workaround using the CMakeLists.txt file. You need to insert SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pthread") before the add_executable command. This will instruct the linker to do the same (see CMAKE_EXE_LINKER_FLAGS and SET documentation f...