大约有 40,000 项符合查询结果(耗时:0.0660秒) [XML]

https://stackoverflow.com/ques... 

How do I declare class-level properties in Objective-C?

...natomic' version? Also i would consider naming the backing variables with '_' as is default by apple and also improves readability since returning/setting self.value from the getter/setter causes infinite recursion. In my opinion this is the right answer. – Peter Segerblom ...
https://stackoverflow.com/ques... 

How to find server name of SQL Server Management Studio

...re was an option to create servers as well. Now it's working. Microsft, ¯\_(ツ)_/¯ – adiga Jan 3 '18 at 7:05 ...
https://stackoverflow.com/ques... 

Random alpha-numeric string in JavaScript? [duplicate]

...'0123456789'; if (chars.indexOf('!') > -1) mask += '~`!@#$%^&*()_+-={}[]:";\'<>?,./|\\'; var result = ''; for (var i = length; i > 0; --i) result += mask[Math.floor(Math.random() * mask.length)]; return result; } console.log(randomString(16, 'aA')); console.log(rando...
https://stackoverflow.com/ques... 

bash: pip: command not found

... Why not just do sudo easy_install pip or if this is for python 2.6 sudo easy_install-2.6 pip? This installs pip using the default python package installer system and saves you the hassle of manual set-up all at the same time. This will allow you to...
https://stackoverflow.com/ques... 

@UniqueConstraint annotation in Java

... @Entity @Table(uniqueConstraints={@UniqueConstraint(columnNames = {"id_1" , "id_2"})}) public class class_name { @Id @GeneratedValue public Long id; @NotNull public Long id_1; @NotNull public Long id_2; } Hope it helped. ...
https://stackoverflow.com/ques... 

How does libuv compare to Boost/ASIO?

...s. For this reason, care needs to be taken when using the default loop (uv_default_loop()), rather than creating a new loop (uv_loop_new()), as another component may be running the default loop. Boost.Asio does not have the notion of a default loop; all io_service are their own loops that allow for...
https://stackoverflow.com/ques... 

Add a new item to a dictionary in Python [duplicate]

... default_data['item3'] = 3 Easy as py. Another possible solution: default_data.update({'item3': 3}) which is nice if you want to insert multiple items at once. ...
https://stackoverflow.com/ques... 

Is it possible to figure out the parameter type and return type of a lambda?

... Funny, I've just written a function_traits implementation based on Specializing a template on a lambda in C++0x which can give the parameter types. The trick, as described in the answer in that question, is to use the decltype of the lambda's operator(). te...
https://stackoverflow.com/ques... 

Best practices for adding .gitignore file for Python projects? [closed]

... You should probably put the *.svn in your .global_gitignore, not in individual projects. – cowlicks Jan 15 '16 at 20:56  |  ...
https://stackoverflow.com/ques... 

How do I integrate Ajax with Django applications?

... return HttpResponse('Hello World!') def home(request): return render_to_response('index.html', {'variable': 'world'}) index.html: <h1>Hello {{ variable }}, welcome to my awesome site</h1> urls.py: url(r'^hello/', 'myapp.views.hello'), url(r'^home/', 'myapp.views.home'), Th...