一个二维数组,有两个方法,一个是update(x,y),更新一个cell的值,一个是query(x1,y1,x2,y2),查询(x1,y1,x2,y2)矩形内所有元素的和。 Senario 1. update调用次数远大于query。 Senario 2. query调用次数远大于update。 Senario 3. 两种方法调用一样多。 对于senario 1,只需要用一个二维数组储存
Google interview question: k-nearest neighbor (k-d tree) Question: You are given information about hotels in a country/city. X and Y coordinates of each hotel are known. You need to suggest the list of nearest hotels to a user who is querying from a particular point (X and Y coordinate...
python data machine-learning numpy linear-regression sklearn logistic pandas seaborn matplotlib decisiontree interviewquestions Updated Jul 4, 2024 Jupyter Notebook ParimalA24-DS / DATA-SCIENCE-INTERNSHIP-PROJECT Star 3 Code Issues Pull requests DATA-SCIENCE-INTERNSHIP-PROJECT python machine-learning...
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Frontend Developer Interview Questions and Answers Download Now! Similar Articles How To Drag And Drop Items Using Angular(v2 to v14) Drag and Drop Controls within a Container Drag and Drop Items From One List to Another List Using jQuery Disable Drag and Drop for a Web Control or an Entire...
http://stackoverflow.com/questions/361661/populate-treeview-from-databaseFor example, some code like the following:prettyprint Copy protected void Page_Load(object sender, EventArgs e) { DataSet ds = RunQuery("Select topicid,name from Topics where Parent_ID IS NULL"); for (int i = 0; ...
using (DataSet ds = new DataSet()) { DataTable dt = new DataTable(); sda.Fill(dt); return dt; } } } } } protected void Show_Hide_OrdersGrid(object sender, EventArgs e) { ImageButton imgShowHide = (sender as ImageButton);
R Aggarwal, V Sounderajah, G Martin, DS Ting, A Karthikesalingam, D King, H Ashrafian, A Darzi Diagnostic accuracy of deep learning in medical imaging: a systematic review and meta-analysis NPJ Digit Med, 4 (1) (2021), p. 65 10.1038/s41746-021-00438-z 33828217 10.1038/s41746-021...
problematic as a representation of the evolutionary history of prokaryotes, it can function more generally as an illustration of the limitations of a standard evolutionary perspective. Moreover, for philosophers, questions about the tree of life can be applied to the Mayrian inheritance in philosophy...
Learning to be ‘creatively rebellious’. The importance of the Three Ds: being Different, Disruptive and Deviant. ‘Many people were labelled at school as ‘students who challenged teachers or their learning processes as being” disruptive’ and “rebellious”. As a result such students developed...