大约有 45,000 项符合查询结果(耗时:0.0262秒) [XML]

https://stackoverflow.com/ques... 

Understanding __get__ and __set__ and Python descriptors

... make sure those divisions are / 5.0 and / 9.0). That gives: 100.0 32.0 Now there are other, arguably better ways to achieve the same effect in python (e.g. if celsius were a property, which is the same basic mechanism but places all the source inside the Temperature class), but that shows what c...
https://stackoverflow.com/ques... 

Specify sudo password for Ansible

...extra-vars "ansible_sudo_pass=yourPassword" Update 2017: Ansible 2.2.1.0 now uses var ansible_become_pass. Either seems to work. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

Why does the expression 0 < 0 == 0 return False in Python?

...es check if 0 &lt; 0 which obviously returns False onto the python stack. Now notice line 11: JUMP_IF_FALSE_OR_POP 23 This means that if 0 &lt; 0 returns False perform a jump to line 23. Now, 0 &lt; 0 is False, so the jump is taken, which leaves the stack with a False which is the return value for...
https://stackoverflow.com/ques... 

Difference between String replace() and replaceAll()

...erloaded to accept both a primitive char and a CharSequence as arguments. Now as far as the performance is concerned, the replace() method is a bit faster than replaceAll() because the latter first compiles the regex pattern and then matches before finally replacing whereas the former simply matche...
https://stackoverflow.com/ques... 

Is there a decorator to simply cache function return values?

... the backport can now be found here: pypi.python.org/pypi/backports.functools_lru_cache – Frederick Nord Jul 21 '15 at 7:55 ...
https://stackoverflow.com/ques... 

Does Dart support enumerations?

... constants within the class are compile time constants, and this class can now be used in, for example, switch statements: var a = Fruit.APPLE; switch (a) { case Fruit.APPLE: print('Yes!'); break; } share ...
https://stackoverflow.com/ques... 

How can I swap positions of two open files (in splits) in vim?

..._|______| | three | | | |__________________| Now make either 'one' or 'two' the active window, then issue the command ctrl+w r. This 'rotates' the windows in the current row, leaving you with: ____________________ | two | one | | | | |___________|...
https://stackoverflow.com/ques... 

How do I capture SIGINT in Python?

...ython script that starts several processes and database connections. Every now and then I want to kill the script with a Ctrl + C signal, and I'd like to do some cleanup. ...
https://stackoverflow.com/ques... 

Looping through a hash, or using an array in PowerShell

...not; because I, like most people, like my code to run as fast as possible. Now, your argument is changing to running jobs in parallel (potentially using multiple computers/servers) ... which of course is faster than running a job in series from a single thread. Cheers! – Vertig...
https://stackoverflow.com/ques... 

What is the best way to prevent session hijacking?

...ker will not. EDIT: This answer was originally written in 2008. It's 2016 now, and there's no reason not to have SSL across your entire site. No more plaintext HTTP! share | improve this answer ...