大约有 30,000 项符合查询结果(耗时:0.0368秒) [XML]
What are some good Python ORM solutions? [closed]
...()
foo_id = Int()
foo = Reference(foo_id, Foo.id)
db = create_database('sqlite:')
store = Store(db)
foo = Foo()
store.add(foo)
thing = Thing()
thing.foo = foo
store.add(thing)
store.commit()
And it makes it painless to drop down into raw SQL when you need to:
store.execute('UPDATE bars ...
How to calculate the SVG Path for an arc (of a circle)
...path id="arc1" fill="none" stroke="#446688" stroke-width="20" />
Live demo
share
|
improve this answer
|
follow
|
...
What are the file limits in Git (number and size)?
...amed with a 160-bit name. The size of the file must be representable in a 64 bit number so no real limit there either.
There is a practical limit, though. I have a repository that's ~8GB with >880,000 files and git gc takes a while. The working tree is rather large so operations that inspect ...
How do you get a timestamp in JavaScript?
...
davebdaveb
64.1k66 gold badges4141 silver badges4949 bronze badges
...
How can I find unused images and CSS styles in a website? [closed]
... unused CSS across many pages on a web
site.
The tool is javascript-based and runs from the browser.
Helium accepts a list of URLs for different sections of a site then
loads and parses each page to build up a list of all stylesheets. It
then visits each page in the URL list and chec...
jQuery Validate - require at least one field in a group to be filled
...ch individual form. If you go to this page (jquery.bassistance.de/validate/demo/milk) and click "show script used on this page" you will see an example. I take it one step further: I declare an array called "rules", then separately, I use them with var validator = $('#formtovalidate').validate(rules...
Call one constructor from another
...
@RosdiKasim: The base class constructor always runs first. You cannot use or see this until its base class has been initialized.
– SLaks
Dec 18 '13 at 16:59
...
What's the difference between SCSS and Sass?
...ks favor scss over sass by default - Angular, React, Vue. Any tutorials or demos will generally use scss e.g create-react-app facebook.github.io/create-react-app/docs/…
– Drenai
Aug 11 '19 at 23:42
...
How to call a parent class function from derived class function?
...risk of stating the obvious: You call the function, if it's defined in the base class it's automatically available in the derived class (unless it's private).
If there is a function with the same signature in the derived class you can disambiguate it by adding the base class's name followed by two ...
Fixed size queue which automatically dequeues old values upon new enques
... Size = size;
}
public new void Enqueue(T obj)
{
base.Enqueue(obj);
lock (syncObject)
{
while (base.Count > Size)
{
T outObj;
base.TryDequeue(out outObj);
}
}
}
}
...