大约有 45,000 项符合查询结果(耗时:0.0580秒) [XML]

https://stackoverflow.com/ques... 

What exactly does @synthesize do?

...ame into a situation where I had to read and modify such code. But if you now think "Hey, @synthesize is not important any more as we use a newer compiler" you are wrong! Your class then will result in having two ivars, namely someInt plus an autogenerated _someInt variable. Thus self.someInt and s...
https://stackoverflow.com/ques... 

How do I format a date in Jinja2?

Using Jinja2, how do I format a date field? I know in Python I can simply do this: 9 Answers ...
https://stackoverflow.com/ques... 

C++ display stack trace on exception

... And archive.org doesn't know it, either. Damn. Well, the procedure should be clear: throw a custom class' object that records the stack trace at the time of the throw. – Thomas Tempelmann May 20 '15 at 21:21 ...
https://stackoverflow.com/ques... 

When should I use the Visitor Design Pattern? [closed]

... (Suppose it is a complex hierarchy with a well-established interface.) Now we want to add a new operation to the hierarchy, namely we want each animal to make its sound. As far as the hierarchy is this simple, you can do it with straight polymorphism: class Animal { public: virtual void makeSou...
https://stackoverflow.com/ques... 

How to make a SPA SEO crawlable?

...stand what google requires, particularly the use of pretty and ugly URLs. Now lets see the implementation: Client Side On the client side you only have a single html page which interacts with the server dynamically via AJAX calls. that's what SPA is about. All the a tags in the client side are ...
https://stackoverflow.com/ques... 

How to print the full traceback without halting the program?

...ever, a best practice is to have a logger set up for your module. It will know the name of the module and be able to change levels (among other attributes, such as handlers) import logging logging.basicConfig(level=logging.DEBUG) logger = logging.getLogger(__name__) In which case, you'll want the l...
https://stackoverflow.com/ques... 

Print current call stack from a method in Python code

...original question, which is how to print the current stack ("where you are now" as opposed to "where your code was when the last exception went off, if any".) – Tom Swirly Feb 27 '13 at 22:42 ...
https://stackoverflow.com/ques... 

Where to place AutoMapper.CreateMaps?

... code (and refactor) if necessary. EDIT: Just thought I'd mention that I now use AutoMapper profiles, so the above example becomes: public static class AutoMapperWebConfiguration { public static void Configure() { Mapper.Initialize(cfg => { cfg.AddProfile(new UserProf...
https://stackoverflow.com/ques... 

Django rest framework nested self-referential objects

...tionships is something that needs to be added. Edit: Note that there is now a third-party package available that specifically deals with this kind of use-case. See djangorestframework-recursive. share | ...
https://stackoverflow.com/ques... 

Remove last character from string. Swift language

...oIndex. Also, as of Xcode 7, string no longer has a .count property, it is now only applied to characters: string.characters.count – kakubei Jul 22 '15 at 15:18 ...