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Check whether a path is valid in Python without creating a file at the path's target
... above tests.
Since NULL is the only character prohibited in pathnames on UNIX-oriented filesystems, let's leverage that to demonstrate the cold, hard truth – ignoring non-ignorable Windows shenanigans, which frankly bore and anger me in equal measure:
>>> print('"foo.bar" valid? ' + st...
What are the differences between git branch, fork, fetch, merge, rebase and clone?
...base and merge issues
Add your Git branch to your PS1 prompt (see https://unix.stackexchange.com/a/127800/10043), e.g.
The branch is selenium_rspec_conversion.
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C++ project organisation (with gtest, cmake and doxygen)
...ies that you cannot ignore, these are based on the long tradition with the Unix file system. These are:
trunk
├── bin : for all executables (applications)
├── lib : for all other binaries (static and shared libraries (.so or .dll))
├── include : for all header files
├─...
What is the difference between quiet NaN and signaling NaN?
...re not typically caught the same way as standard C++ exceptions.
In POSIX/Unix systems, floating point exceptions are typically caught using a handler for SIGFPE.
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How do I safely pass objects, especially STL objects, to and from a DLL?
...are largely specific to MSVC, though not exclusively—even C compilers on Unix platforms (and even different versions of the same compiler!) suffer from less-than-perfect interoperability. They're usually close enough, though, that I wouldn't be at all surprised to find that you could successfully ...
How do I use extern to share variables between source files?
...C is far from being the only compiler that supports it; it is prevalent on Unix systems). You can look for "J.5.11" or the section "Not so good way" in my answer (I know — it is long) and the text near that explains it (or tries to do so).
– Jonathan Leffler
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How do I prevent site scraping? [closed]
... extract the desired data from each page.
Shell scripts: Sometimes, common Unix tools are used for scraping: Wget or Curl to download pages, and Grep (Regex) to extract the data.
HTML parsers, such as ones based on Jsoup, Scrapy, and others. Similar to shell-script regex based ones, these work by ex...