大约有 45,000 项符合查询结果(耗时:0.0773秒) [XML]

https://stackoverflow.com/ques... 

Access an arbitrary element in a dictionary in Python

...; (key, value) tuple of "first" element Please note that (at best of my knowledge) Python does not guarantee that 2 successive calls to any of these methods will return list with the same ordering. This is not supported with Python3. in Python 3: list(my_dict.keys())[0] -> key of "first" ...
https://stackoverflow.com/ques... 

How can I save a screenshot directly to a file in Windows? [closed]

... Little known fact: in most standard Windows (XP) dialogs, you can hit Ctrl+C to have a textual copy of the content of the dialog. Example: open a file in Notepad, hit space, close the window, hit Ctrl+C on the Confirm Exit dialog, ca...
https://stackoverflow.com/ques... 

Pass data to layout that are common to all pages

...ed to always have view models. Also, I'd argue that developers needing to know that they must always inherit their view models from a base is a disadvantage. – Josh Noe Nov 5 '15 at 0:13 ...
https://stackoverflow.com/ques... 

How to change the name of a Django app?

...naming its folder, imports and all its references (templates/indexes). But now I get this error when I try to run python manage.py runserver ...
https://stackoverflow.com/ques... 

Auto layout constraints issue on iOS7 in UITableViewCell

... iOS 7 changed a lot of things around table view cells. On iOS 7, there is now a scroll view (of type UITableViewCellScrollView) in between the table view cell and the contentView; that likely explains the difference between iOS 6 and 7 here. – smileyborg Nov 1...
https://stackoverflow.com/ques... 

How do I create a simple 'Hello World' module in Magento?

...el. I might have time later for the model/template related topics, but for now, I don't. I will, however, briefly speak to your SQL question. Magento uses an EAV database architecture. Whenever possible, try to use the model objects the system provides to get the information you need. I know it's a...
https://stackoverflow.com/ques... 

How can I use numpy.correlate to do autocorrelation?

... (There's probably a formal term for this, but I'm gonna use "partial" for now). I've created 5 functions that compute auto-correlation of a 1d array, with partial v.s. non-partial distinctions. Some use formula from statistics, some use correlate in the signal processing sense, which can also be ...
https://stackoverflow.com/ques... 

How do you echo a 4-digit Unicode character in Bash?

... That's true. I discovered i was using LANG=C instead of LANG=en_US.UTF-8. Now my terminals in Gnome show the symbols properly... The real terminals (tty1-6) still don't though. – trusktr Oct 3 '12 at 0:09 ...
https://stackoverflow.com/ques... 

Encrypt & Decrypt using PyCrypto AES 256

... I know this has been up for a while but I think this response may spread some confusion. This function uses a block_size of 32 byte (256 byte) to pad input data but AES uses 128 bit block size. In AES256 the key is 256 bit, but ...
https://stackoverflow.com/ques... 

How to backup a local Git repository?

... + directory else unless $?.exitstatus == 0 then raise( 'fatal: unknown exit status from git-config: ' + $?.exitstatus ) end end # verify directory exists unless File::directory?( directory ) raise( 'fatal: backup directory does not exists: ' + directory ) end # The date and time p...