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Can anyone explain IEnumerable and IEnumerator to me? [closed]
Can anyone explain IEnumerable and IEnumerator to me?
16 Answers
16
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How to validate a url in Python? (Malformed or not)
...alidators import URLValidator
from django.core.exceptions import ValidationError
val = URLValidator(verify_exists=False)
try:
val('http://www.google.com')
except ValidationError, e:
print e
If you set verify_exists to True, it will actually verify that the URL exists, otherwise it will ju...
Remote origin already exists on 'git push' to a new repository
...
You are getting this error because "origin" is not available. "origin" is a convention not part of the command. "origin" is the local name of the remote repository.
For example you could also write:
git remote add myorigin git@github.com:myname...
Moving and vanishing lines of code; trouble with Eclipse's XML Editor
...ntally, so if you edit an XML file which has this problem, ADT will add an error marker for this problem -- along with a quickfix to perform surgery on the document to fix it.
In short:
Get ADT 21 Preview 9; run Lint on your projects and look for any complaints about files containing broken line en...
How to print colored text in Python?
...e end string at the end.
CRED = '\033[91m'
CEND = '\033[0m'
print(CRED + "Error, does not compute!" + CEND)
This produces the following in bash, in urxvt with a Zenburn-style color scheme:
Through experimentation, we can get more colors:
Note: \33[5m and \33[6m are blinking.
This way we ca...
How do I write the 'cd' command in a makefile?
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@Beta: well yes, and a dash prefix ignores the error status as well. Maybe I got a little carried away, I wanted to point out the fact that make does echos the command, regardless of what kind of command it is. And in this case, it's a command with no output, which makes ...
Changing MongoDB data store directory
...your solution but when I am restarting the application it giving following error - 2019-11-18T18:58:45.215+1100 I STORAGE [initandlisten] exception in initAndListen: 28596 Unable to determine status of lock file in the data directory /var/lib/mongo: boost::filesystem::status: Permission denied: "/v...
Does python have an equivalent to Java Class.forName()?
...In [59]: raise import_class_from_string('google.appengine.runtime.apiproxy_errors.DeadlineExceededError')()
---------------------------------------------------------------------------
DeadlineExceededError Traceback (most recent call last)
<ipython-input-59-b4e59d809b2f> in...
How do you use the ellipsis slicing syntax in Python?
... my_scalar[...] = 5. If you do my_scalar[:] = 5, you'll rightfully get an error, because there's no dimension 0 for the : to iterate over.
– SuperElectric
Feb 13 '18 at 11:21
1
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Is it better to call ToList() or ToArray() in LINQ queries?
...00.19.56404), X64 RyuJIT
| Method | Count | Mean | Error | StdDev | Median | Ratio | RatioSD | Gen 0 | Gen 1 | Gen 2 | Allocated |
|---------- |------ |--------------:|------------:|------------:|--------------:|------:|--------:|--------:|------:|------:|--...