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Named regular expression group “(?Pregexp)”: what does “P” stand for?
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Well spotted! This confirms DSM's feeling.
– Eric O Lebigot
Sep 19 '19 at 9:18
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How do I check whether a file exists without exceptions?
...open it.
If you're not planning to open the file immediately, you can use os.path.isfile
Return True if path is an existing regular file. This follows symbolic links, so both islink() and isfile() can be true for the same path.
import os.path
os.path.isfile(fname)
if you need to be sure it...
Setting Short Value Java
... the way the HW actually performs the sums), i'm just saying people should confirm that the result actually fills in a short before puting it there. I've encountered more bugs capping short capacity than capping int aswell, probably due to the size of the numbers involved. 2 tiny bytes java reserver...
Recursive sub folder search and return files in a list python
... are supplied so you can prune it if there are folders that you don't wish os.walk to recurse into.
import os
result = [os.path.join(dp, f) for dp, dn, filenames in os.walk(PATH) for f in filenames if os.path.splitext(f)[1] == '.txt']
Edit:
After the latest downvote, it occurred to me that glob ...
What do pty and tty mean?
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...
What are the differences between poll and select?
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...
Relative paths in Python
... the file that has the script, you want to do something like this:
import os
dirname = os.path.dirname(__file__)
filename = os.path.join(dirname, 'relative/path/to/file/you/want')
This will give you the absolute path to the file you're looking for. Note that if you're using setuptools, you shoul...
What does iota of std::iota stand for?
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@LưuVĩnhPhúc I can confirm that at least one native English speaker doesn't pronounce it "eye-oh-duh" either - I say "eye-oh-tuh" (where "uh" is the undifferentiated vowel 'ə' in the middle of "math-ə-matical")
– Martin ...
Build vs new in Rails 3
...+1 I received your result with 3.0.4. I'd love if someone with 3.0.3 could confirm I'm not crazy.
– ClosureCowboy
Feb 11 '11 at 1:32
41
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Cross field validation with Hibernate Validator (JSR 303)
...m:
@FieldMatch.List({
@FieldMatch(first = "password", second = "confirmPassword", message = "The password fields must match"),
@FieldMatch(first = "email", second = "confirmEmail", message = "The email fields must match")
})
public class UserRegistrationForm {
@NotNull
@S...