大约有 19,300 项符合查询结果（耗时：0.0435秒） [XML]
Chaining multiple filter() in Django, is this a bug?
...ries/#spanning-multi-valued-relationships
particularly:
Everything inside a single filter() call is applied simultaneously to filter out items matching all those requirements. Successive filter() calls further restrict the set of objects
...
In this second example (filter(A).filter(B)), ...
What is the difference between min SDK version/target SDK version vs. compile SDK version?
...
The min sdk version is the earliest release of the Android SDK that your application can run on. Usually this is because of a problem with the earlier APIs, lacking functionality, or some other behavioural issue.
The target sdk version is the version your application was targeted...
Is there a pattern for initializing objects created via a DI container
...nitialized Decorator, as described in section 8.3.6 of my book. I also provide an example of something similar in my presentation Big Object Graphs Up Front.
– Mark Seemann
Aug 1 '13 at 17:52
...
Split a module across several files
...lexible and will let you expose whatever kind of structure you want while hiding how your code is structured in files.
I think the key here is to make use of pub use, which will allow you to re-export identifiers from other modules. There is precedent for this in Rust's std::io crate where some typ...
What are Scala context and view bounds?
... a < b.
Please be aware that view bounds are deprecated, you should avoid them.
What is a Context Bound?
Context bounds were introduced in Scala 2.8.0, and are typically used with the so-called type class pattern, a pattern of code that emulates the functionality provided by Haskell type class...
RESTful API methods; HEAD & OPTIONS
...on about the communication options available on the request/response chain identified by the Request-URI. This method allows the client to determine the options and/or requirements associated with a resource, or the capabilities of a server, without implying a resource action or initiating a resourc...
Difference between std::system_clock and std::steady_clock?
... Objects of class system_clock represent wall clock time from the system-wide realtime clock.
20.11.7.2 [time.clock.steady]/1:
Objects of class steady_clock represent clocks for which values of time_point never decrease as physical time advances and for which values of time_point advance at a...
Can JSON start with “[”?
...r seeing some examples of JSON and comparing them, I really like how they did it. Regarding json4j, perhaps you can submit a bug report to the json4j library's creator.
– Richard Marskell - Drackir
Feb 17 '11 at 22:04
...
kernel stack and user space stack
... want, and there is usually no architectural requirement to even have a valid one. The kernel therefore cannot trust the userspace stackpointer to be valid nor usable, and therefore will require one set under its own control. Different CPU architectures implement this in different ways; x86 CPUs aut...
How to get StackPanel's children to fill maximum space downward?
...hen your help control can fill the remaining space.
XAML:
<DockPanel Width="200" Height="200" Background="PowderBlue">
<TextBlock DockPanel.Dock="Top">Something</TextBlock>
<TextBlock DockPanel.Dock="Top">Something else</TextBlock>
<DockPanel
Ho...