pch questions

10 most common HTML5 Interview Questions and Answers, html5 Questions and answers 1. What is the new HTML5 document type and character set? HTML5 document type is simple: HTML5 uses UTF-8 Encoding 2. How to embed audio in HTML5? HTML5 supports audio in MP3, Wav, and Ogg formats. 3. How to embed videos in HTML5? Similar to audio, HTML5 supports MP4, WebM, and Ogg videos. 4. In addition to audio and video, wh

N and m in the first line, indicating the MZ number and the distance between czy and the school (km) The next two to n + 1 rows are composed of strings and numbers. Dist X indicates that an MZ occurs when the distance reaches x km. Time X indicates that an MZ occurs when the time reaches X min. Output an integer to indicate the time the school arrived. If division is not allowed, you can directly output the integer part. Sample Input 2 20 Time 3 Dist 10 Sample output 47 Data range For 30% of th

Five questions about mobile apps: five questions about mobile apps 1. What features does your mobile App use? 2. Do you use the mobile perspective and thinking to consider the product form? Or simply copy the Web to a mobile phone? 3. What special motivation does the user have to install your App? 4. Can users use your App well? 5. Are your apps well operated to let users know your features?

Common Database interview questions and database questions Paradigm 1: Each column in a database table is a basic data item that cannot be further divided. values or duplicate attributes are not allowed. For example, if a table contains a phone number field, the value has a mobile phone number, there is another seat number, which does not match.Summary: fields cannot be further divided. Second paradigm: bu

Some water questions in the school competition, water questions in the school Competition 1236: xq and Crystal MineTime Limit: 1 Sec Memory Limit: 128 MB Submit: 313 Solved: 76 [Submit] [Status] [Web Board] Description Xq once got a crystal from the Crystal Mine. A crystal of size n (n is odd; n> 1) is an n struct * contains n matrix with a diamond inscribed into it.You are given an odd integer n. you

Simple SQL partially strengthens exercise questions, simple SQL strengthens exercise questions Simple query of some SQL exercises -- Select * from emp where deptno = 30 for all employees in department 30; -- list the names, numbers, and department numbers of all clerks (clers. ename, e. empno, e. deptno from emp e where e. job = 'cler'; -- select * from emp where comm> sal for employees with higher bonus

[Huawei machine trial exercise questions] 9. coordinate movement, Huawei exercise questions Question Develop A coordinate computing tool. A indicates moving to the left, D indicates moving to the right, W indicates moving up, and S indicates moving down. Start from (0, 0), read some coordinates from the input string, and output the final input result to the output file. Input: Valid coordinate is A (or D,

[Huawei machine trial exercise questions] 57. Object Manager, Huawei exercise questions Question Code /* ------------------------------------- * Date: 2015-07-05 * Author: SJF0115 * Subject: Object Manager * Source: Huawei machine trial exercises */# include Copyright Disclaimer: This article is an original article by the blogger and cannot be reproduced without the permission of the blogger.

[Programmer interview questions selected 100 questions] 17. Converts a string to an integer, a programmer's integer Question Enter a string that represents an integer, convert it to an integer, and output it. For example, if the input string is "345", an integer of 345 is output. Analysis Although this question is not very difficult, the basic functions of C/C ++ language can be achieved, but the code writ

Interview Question 1: the number of questions to be submitted, and questions to be submitted Source: Public platform Chapter 9 algorithm. Since the 9-Chapter algorithm only provides the algorithm and does not provide the source code, I have provided the source code based on my own capabilities. Of course, there may be many shortcomings. I hope you will not give me any advice. ---- Xiao ran Description: Ther

Ios technical questions, ios technical questions 1. Difference between shallow copy and deep copy? The copy-only address does not copy the object pointed to by the address. Deep copy Copy address and point to the new object to be copied2. What is advantage of categories? What is difference between implementing a category and inheritance? Categories: modify the original functions without affecting or m

Js interview questions-inheritance of js, js questions-js Js is a flexible language. There are often multiple ways to implement a function. ECMAScript does not have a clear Inheritance Mechanism, but is achieved through imitation. According to the characteristics of js, js implementation inheritance has the following common methods:1. Use object impersonating to implement inheritance (this implementation me

Java interview questions, java questionsCommon Java interview questions: What if the main method is declared as private? Answer: It can be compiled normally, but the system prompts "the main method is not public" during running ".Q: What is the difference between passing references and passing values in Java? Answer: The pass-through refers to the transfer of the address rather than the value itself, and th

AsiaInfo technology pen questions, Asiainfo pen questions I don't know if this question is an original question of AsiaInfo technology. It seems that Microsoft's written examination also has this question on the Internet. The original question was solved in C language. Considering java proficiency, I had java to write the algorithm for this question.Topic Description: compile an algorithm to determine the

Niu Yi learning ---- Web programming security questions, ---- web security questions In web programming, security is a matter of constant attention. The SQL injection Prevention operation that you encounter when you hit the bull's nest. operations such as md5 conversion to plaintext and password to dark are all raised to address web programming security issues. For this reason, I have read some information

1503150049-blue bridge cup-Incorrect tickets for previous questions, answers to previous questions of Blue Bridge cupPrevious exam errors ticket time limit: 1.0 s memory limit: 256.0 MBProblem description A confidential organization issues a certain ticket and must withdraw it all at the end of the year. Each ticket has a unique ID number. The IDS of all bills for the year are consecutive, but the IDS start

10 classic Java interview questions and classic java questions 1. How does Java's HashMap work? HashMap is a key value for the data structure. Each key has a corresponding value. The key is to identify such a value. Based on the hashing principle, HashMap stores and obtains objects through put () and get () methods. When we pass a key-value pair to the put () method, it calls the hashCode () method of the

Computer Network interview questions, computer network questions 1,OSI Layer-7 protocol,Layer-4 TCP/IP protocol,Five-Layer Protocol mentioned in instructor Xie xiiren's online textbookComparison Note: (1) OSI's layer-7 protocol is only a theoretical protocol, which is not actually used. (2) the architecture of the layer-4 TCP/IP protocol in practice. (3) The five-layer protocol mentioned in Xie's old textb

Chinese word segmentation algorithm-Baidu interview questions, Chinese Word Segmentation Algorithm questions Question:Given a string and an array, you can determine whether the string can be separated into words in the dictionary. Dynamic Planning AlgorithmI wrote the following code during the interview. public static boolean divied2(String s,String[] dict){ boolean result=false; if(s.length(

[24 questions about network stream] minimum path coverage (Bipartite Graph Matching) programming questions, 24 bipartiteQuestion Principle: Minimum path overwrite = point-matching number;It is easy to understand: the two points can be matched, which is equivalent to putting them in and querying the set, and querying the number of sets is the number of paths;However, my understanding of graph creation is alw