大约有 10,950 项符合查询结果（耗时：0.0432秒） [XML]
git + LaTeX workflow
... diff. To see the difference between two arbitrary commits (versions), you can do so with the shas of each of the commits. See the documentation for more details and also Showing which files have changed between two revisions.
On the other hand, if you need to look at the diff of your formatted outp...
What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
...e good explanations on what argument dependent lookup is? Many people also call it Koenig Lookup as well.
4 Answers
...
Rails 3.1: Engine vs. Mountable App
Can someone help me understand the differences between a Rails Engine and a Mountable app? In Rails 3.1, you can create either one with the "rails new plugin ___ " command.
...
How do you convert a byte array to a hexadecimal string, and vice versa?
How can you convert a byte array to a hexadecimal string, and vice versa?
45 Answers
4...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...
The most likely cause of the speed improvement is that:
inserting a MOV shifts the subsequent instructions to different memory addresses
one of those moved instructions was an important conditional branch
that branch was being incorrectly ...
How do iOS Push Notifications work?
How do iOS "push" notifications get delivered to a particular device without that device needing to poll a server?
6 Answer...
Do sealed classes really offer performance Benefits?
...
The JITter will sometimes use non-virtual calls to methods in sealed classes since there is no way they can be extended further.
There are complex rules regarding calling type, virtual/nonvirtual, and I don't know them all so I can't really outline them for you, but...
Dependency Inject (DI) “friendly” library
...y the Hollywood Principle
The Hollywood Principle in DI terms says: Don't call the DI Container, it'll call you.
Never directly ask for a dependency by calling a container from within your code. Ask for it implicitly by using Constructor Injection.
Use Constructor Injection
When you need a depen...
What are copy elision and return value optimization?
...
Introduction
For a technical overview - skip to this answer.
For common cases where copy elision occurs - skip to this answer.
Copy elision is an optimization implemented by most compilers to prevent extra (potentially expensive) copies in certain si...
What is the most robust way to force a UIView to redraw?
...rouble with that, you're likely running into one of these issues:
You're calling it before you actually have the data, or your -drawRect: is over-caching something.
You're expecting the view to draw at the moment you call this method. There is intentionally no way to demand "draw right now this ve...