大约有 40,700 项符合查询结果（耗时：0.0843秒） [XML]
How long do browsers cache HTTP 301s?
... After a quick test, it seems that Safari clears its cache of 301s when it is restarted, but Firefox does not.
15 Answers
...
How to modify a text file?
...
Unfortunately there is no way to insert into the middle of a file without re-writing it. As previous posters have indicated, you can append to a file or overwrite part of it using seek but if you want to add stuff at the beginning or the middle,...
Dialog throwing "Unable to add window — token null is not for an application” with getApplication()
My Activity is trying to create an AlertDialog which requires a Context as a parameter. This works as expected if I use:
28...
Updating packages in Emacs
I have the following setup for packages (not sure if there is a better recommended one):
4 Answers
...
How far can memory leaks go?
...dirty laundry. I generally assume (read: hope desperately) that all memory is cleaned up at least when the program terminates. Are there any situations where leaked memory won't be collected when the program terminates, or crashes?
...
Calling class staticmethod within the class body?
...c method using the built-in staticmethod function as a decorator, like this:
5 Answers
...
XML Schema (XSD) validation tool? [closed]
...
After some research, I think the best answer is Xerces, as it implements all of XSD, is cross-platform and widely used. I've created a small Java project on github to validate from the command line using the default JRE parser, which is normally Xerces. This can be used...
How can I parse a CSV string with JavaScript, which contains comma in data?
...
Disclaimer
2014-12-01 Update: The answer below works only for one very specific format of CSV. As correctly pointed out by DG in the comments, this solution does not fit the RFC 4180 definition of CSV and it also does not fit ...
Is there a way to create your own html tag in HTML5?
...s attributes in your CSS Stylesheet (think css reset) -
Example:
stack{display:block;margin:0;padding:0;border:0; ... }
STEP 2
To get it to work in old versions of Internet Explorer, you need to append this script to the head (Important if you need it to work in older versions of IE!):
<!...
How do I uniquely identify computers visiting my web site?
I need to figure out a way uniquely identify each computer which visits the web site I am creating. Does anybody have any advice on how to achieve this?
...