how big is python

', ' Qiwsir ', ' Python ']>>> la.index (3) 2>>> la.index (' a ') 3>> Gt La.index (1) 0>>> la.index (' qi ') #如果不存在, error traceback (most recent call last): File " ", line 1, In valueerror: ' Qi ' isn't in list>>> la.index (' Qiwsir ') 6 List.index (x), X is an element in the list so that it can retrieve the position of the element in the list. This

PHP Paging for help, There is code to help look at. click on the page to get the value of invalid online .... Big Help.

(Hdu step 3.3.1) Big Event in HDU (01 backpack: place N items in a V-sized backpack. The cost of I-th items is c [I], the value is w [I]. Bigevent Big Event in HDU Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission (s): 854 Accepted Submission

-bit machines, the upper limit is 2 ^ 32-1. It's really big enough. Why can Python do this? If you are interested, go to the Python source code. This article will not go into details. In other languages, "divide and conquer" is usually used to solve the

As the question. Performance showdown: Who is the king of php7vsjava? Is the gap Big? As the question. Performance showdown: Who is the king of php7 vs java? Is the gap Big? The problem has been disabled. cause: Reply conten

very good language to look forward to.----------------------------------------------------------------------The struggle for language is time-consuming, and there is no need to talk to these people. Everyone has their own preferences, some people on the Java call, some people do not like go, you say nothing is useless. I woke up with my own comfort.By the way, I

Beginners often ask, "When will my station make money?" How much money can a website make? " Yes, the site can be profitable is the most concerned about the current webmaster. Then you have to ask me whether the website really can make money, I give the answer will be yes. If you do not make money, then why are there so many people put down high-paying careers to join full-time webmaster? From the day when I was on the webmaster, I positioned myself i

are wrong):The focus of machine learning is to predict new cases with some known answers.The dots in blue indicate one case, and the red dots indicate a different case. So give a new point, how to tell if it belongs to the blue category or the red one?The answer is to ask for distance. (in the classic case seems to be looking for new points ah, to determine the new case ah, a variety of complex balabala)Th

Ask if there is any performance difference between iframe and ajax on the partial switchover page. if so, is there a big gap? Which one has better performance? It has always been the development of a simple business layer. if the problem is too small, please bear with the ThinkPHP framework. if there

with models, templates, and views. With Django, we can quickly create high-quality, easy-to-maintain, database-driven Web service programs, especially for unsanitary environment who are not familiar with database operations.4.) Ranked fourth is the functional testing Framework Pytest,pytest is a full-fledged, fully functional Python testing framework that helps

What is the paging method under the big data volume? Limit efficiency is not high Reply content: What is the paging method under the big data volume? Limit efficiency is not high $sql = "select *from user where id>{$id} li