大约有 45,000 项符合查询结果（耗时：0.0436秒） [XML]
Difference between single and double quotes in Bash
...
For anyone who doesn't know what "interpolate" means: en.wikipedia.org/wiki/String_interpolation
– Kolob Canyon
May 10 '18 at 17:57
...
What's the UIScrollView contentInset property for?
...ew.
Obj-C
aScrollView.contentInset = UIEdgeInsetsMake(0, 0, 0, 7.0);
Swift 5.0
aScrollView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 7.0)
Here's a good iOS Reference Library article on scroll views that has an informative screenshot (fig 1-3) - I'll replicate it via text ...
How can I get the client's IP address in ASP.NET MVC?
....Current.Request.UserHostAddress;
..
}
}
}
BUT, if the request has been passed on by one, or more, proxy servers then the IP address returned by HttpRequest.UserHostAddress property will be the IP address of the last proxy server that relayed the request.
Proxy servers MA...
Get local IP address in node.js
...
os.networkInterfaces as of right now doesn't work on windows. Running programs to parse the results seems a bit iffy. Here's what I use.
require('dns').lookup(require('os').hostname(), function (err, add, fam) {
console.log('addr: '+add);
})
This should...
How do I get the path of the Python script I am running in? [duplicate]
...
I like how your answer shows a lot of different variations and features from python to solve the question.
– Jeremy L
Feb 27 '09 at 15:54
125
...
Objective-C ARC: strong vs retain and weak vs assign
... have to use either weak or unsafe_unretained (which is unsafe, obviously) if you don't want to retain the property.
– cobbal
Jan 19 '12 at 15:07
5
...
how to bypass Access-Control-Allow-Origin?
...ctively disables CORS protection, and leaves your users exposed to attack. If you're not completely certain that you need to allow all origins, you should lock this down to a more specific origin:
header('Access-Control-Allow-Origin: https://www.example.com')
Please refer to following stack answe...
Does ARC support dispatch queues?
...he short answer: YES, ARC retains and releases dispatch queues.
And now for the long answer…
If your deployment target is lower than iOS 6.0 or Mac OS X 10.8
You need to use dispatch_retain and dispatch_release on your queue. ARC does not manage them.
If your deployment target is iOS 6...
jquery save json data object in cookie
...
Now there is already no need to use JSON.stringify explicitly. Just execute this line of code
$.cookie.json = true;
After that you can save any object in cookie, which will be automatically converted to JSON and back from ...
Can Python print a function definition?
...
If you are importing the function, you can use inspect.getsource:
>>> import re
>>> import inspect
>>> print inspect.getsource(re.compile)
def compile(pattern, flags=0):
"Compile a regular expr...