大约有 3,000 项符合查询结果(耗时:0.0107秒) [XML]

https://stackoverflow.com/ques... 

What is the best collation to use for MySQL with PHP? [closed]

I'm wondering if there is a "best" choice for collation in MySQL for a general website where you aren't 100% sure of what will be entered? I understand that all the encodings should be the same, such as MySQL, Apache, the HTML and anything inside PHP. ...
https://stackoverflow.com/ques... 

How to access the ith column of a NumPy multidimensional array?

.... Using the copied version is much faster: %timeit A_c1_ref.sum() # ~248 µs %timeit A_c1_copy.sum() # ~12.8 µs This is due to the different number of strides mentioned before: A_c1_ref.strides[0] # 40000 bytes A_c1_copy.strides[0] # 4 bytes Although it might seem that using column copies...
https://stackoverflow.com/ques... 

How to convert a string to lower or upper case in Ruby

... ÁÂÃÀÇÉÊÍÓÔÕÚ".mb_chars.downcase.to_s => "string áâãàçéêíóôõú" "string áâãàçéêíóôõú".mb_chars.upcase.to_s => "STRING ÁÂÃÀÇÉÊÍÓÔÕÚ" share | ...
https://stackoverflow.com/ques... 

How can I update NodeJS and NPM to the next versions?

... Don't forget to reboot afterwards! – Humppakäräjät Oct 19 '15 at 8:41 This works with Windows 10, and both...
https://stackoverflow.com/ques... 

Statistics: combinations in Python

...un 11 '10 at 18:29 Jouni K. SeppänenJouni K. Seppänen 33.9k55 gold badges6767 silver badges9696 bronze badges ...
https://stackoverflow.com/ques... 

How to Display blob (.pdf) in an AngularJS app

...ered Jun 11 '15 at 14:03 Jan TchärmänJan Tchärmän 78977 silver badges1111 bronze badges ...
https://stackoverflow.com/ques... 

What does collation mean?

...you use UTF8_GENERAL_CI collation: SELECT 'A' COLLATE UTF8_GENERAL_CI = 'ä' COLLATE UTF8_GENERAL_CI --- 1 As you can see, this collation (comparison rule) considers capital A and lowecase ä the same letter, ignoring case and diacritic differences. ...
https://stackoverflow.com/ques... 

How do I copy a string to the clipboard on Windows using Python?

...h Unicode characters too. I have tested characters ±°©©αβγθΔΨΦåäö to work on Win10 64-bit, with Python 3.5 and pyperclip 1.5.27. – np8 Jul 3 '16 at 15:55 ...
https://stackoverflow.com/ques... 

How to calculate a logistic sigmoid function in Python?

...op In [7]: %timeit -r 1 logistic.cdf(0.458) 10000 loops, best of 1: 72.2 µs per loop In [8]: %timeit -r 1 expit(0.458) 100000 loops, best of 1: 2.98 µs per loop As expected logistic.cdf is (much) slower than expit. expit is still slower than the python sigmoid function when called with a sing...
https://stackoverflow.com/ques... 

What is normalized UTF-8 all about?

The ICU project (which also now has a PHP library ) contains the classes needed to help normalize UTF-8 strings to make it easier to compare values when searching. ...