大约有 49,000 项符合查询结果（耗时：0.0943秒） [XML]
Return all enumerables with yield return at once; without looping through
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It's definitely not a stupid question, and it's something that F# supports with yield! for a whole collection vs yield for a single item. (That can be very useful in terms of tail recursion...)
Unfortunately it's not supported in C#.
However, if you have several...
In Subversion can I be a user other than my login name?
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Most Subversion commands take the --username option to specify the username you want to use to the repository. Subversion remembers the last repository username and password used in each working copy, which means, among other things, that if yo...
Naming convention - underscore in C++ and C# variables
..., its use is always somewhat different to each person. Here's how I understand them for the two languages in question:
In C++, an underscore usually indicates a private member variable.
In C#, I usually see it used only when defining the underlying private member variable for a public property. Ot...
Favorite Django Tips & Features?
...fferent locations. Use the following code in settings.py if your templates and static files are located within the Django project directory:
# settings.py
import os
PROJECT_DIR = os.path.dirname(__file__)
...
STATIC_DOC_ROOT = os.path.join(PROJECT_DIR, "static")
...
TEMPLATE_DIRS = (
os.path.jo...
jQuery Validation plugin: disable validation for specified submit buttons
... validation with others)? This would be similar to ValidationGroups with standard ASP.NET validator controls.
12 Answers
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python capitalize first letter only
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and that is what this answer does, pretty much
– njzk2
Sep 13 '12 at 16:00
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Devise - How do I forbid certain users from signing in?
... determine "active" state using
#our own "is_active" column
super and self.is_active?
end
end
UPDATE
As Matt Huggins notes, the method is now called active_for_authentication? (Documentation)
share
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Removing multiple files from a Git repo that have already been deleted from disk
... Git repo that I have deleted four files from using rm ( not git rm ), and my Git status looks like this:
29 Answers
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What does `void 0` mean? [duplicate]
...t does void 0 mean?
void[MDN] is a prefix keyword that takes one argument and always returns undefined.
Examples
void 0
void (0)
void "hello"
void (new Date())
//all will return undefined
What's the point of that?
It seems pretty useless, doesn't it? If it always returns undefined, what's wron...
How to convert an iterator to a stream?
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One way is to create a Spliterator from the Iterator and use that as a basis for your stream:
Iterator<String> sourceIterator = Arrays.asList("A", "B", "C").iterator();
Stream<String> targetStream = StreamSupport.stream(
Spliterators.spliteratorUnknownSize...