Tag：Difference
-
Time：2021-10-23
Differential array Problem background If you are given an array containing 50 million elements, and then there will be frequent interval modification operations, what is frequent interval modification operations? For example, add 1 to each number from the first number to the 10th million, and this operation is frequent. What should you do now? It’s […]
-
Time：2021-10-21
subject here you are n Flights, numbered from 1 to n. There is a flight reservation form Bookings, table No i Reservation records bookings[i] = [firsti, lasti, seatsi] Means from firstI Seatsi is booked on each flight to lasti (including firstI and lasti) Seats. Please return […]
-
Time：2021-10-17
Recently, many people asked Xiaobian, what is the difference between Linux and Ubuntu, and how should our users choose? To know the difference between Linux and Ubuntu, we must first understand what is Linux and what is Ubuntu Now on this issue, Xiaobian wrote an article today to popularize science Linux Linux is an open […]
-
Time：2021-10-15
Series articles： Golang learning — constants const and iota Golang learning — the difference between array pointer and pointer array Golang learning – structure (I) Golang learning – structure (II) Golang learning – Interface learning (I) Golang learning – how to determine whether the golang interface is implemented? Golang learning – Interface learning (II) Golang […]
-
Time：2021-10-15
Original link:http://tecdat.cn/?p=22521 ============================================================== Under the trend of big data, we often need to make predictive analysis to help us make decisions. One of the important things is to predict the future based on our past and present data. This method is often called prediction. Forecasting is needed in many cases: deciding whether to build another […]
-
Time：2021-10-14
preface Recently, I have received many private letters from fans, including those who have worked for several years and the student party who is about to graduate. They all came to tell me that the golden nine silver ten is coming soon. They want to go to a big factory for an interview and ask […]
-
Time：2021-10-6
preface See a blogger Tucao how many front-end interviews, many companies rarely or not ask CSS, and directly asked JavaScript, framework, Node.js this problem, now make complaints about Vue, small program CVs, ask what CSS, ah, a lot of people position what value do not know, Z-index value and position stacking relationship do not know, […]
-
Time：2021-10-4
[algorithm progress 213 / 400 (″ ‘▽’ ″)] continue to refuel! 136. Figures that appear only once Given a non empty array of integers, each element appears twice except that one element appears only once. Find the element that appears only once. explain:Your algorithm should have linear time complexity. Can you do it without using […]
-
Time：2021-10-1
preface Recently, the golden nine silver ten is coming. Many people are preparing for the interview, especially summarizing the necessary questions for the interview of Java programmers,This interview list was collected by me since last year. On the one hand, it is for the company’s recruitment. On the other hand, I want to use it […]
-
Time：2021-9-28
original texthttp://tecdat.cn/?p=3424 What is testing right? Form of inspection pair （x1，x2）There are two situations: Perform two measurements on the same entity. For example, a clinical study evaluating the efficacy of new insulin will measure blood glucose levels twice for each patient:Before (x1) after medication (x2)。 Measure different entities. However, entities are matched according to their […]
-
Time：2021-9-26
From: http://liudongdong1.github.io/ Millimeter wave (mmWave) is a special class of radar technology that uses shortwavelength electromagnetic waves. Radar systems transmit electromagnetic wave signals that objects in their path then reflect. By capturing the reflected signal, a radar system can determine the range, velocity and angle of the objects. operating at 76–81 GHz (with a corresponding […]
-
Time：2021-9-22
HTTP data submission is mainly realized by post method. The biggest difference in submitting data in different formats lies in the different organization forms of data, and the content type format corresponding to different formats needs to be set package main import ( “bytes” “encoding/json” “fmt” “io” “io/ioutil” “mime/multipart” “net/http” “net/url” “os” “strings” ) func […]
