java web interview questions

[Interview] interview questions for iOS development (1) 　 1.# What is the difference between import and # include? What is the difference between @ class and # import A: # import is the keyword used to import the Objective-C header file. # include is the keyword used to import the C/C ++ header file. The # import header file is automatically imported only once an

). Apache directory settings can implement this function. For details, see http://blog.csdn.net/mygood322/article/details/7582531. The upload directory is generally set to a large directory for a user. Directory can be divided into multiple specific directories. To prevent repeated image uploads, you can: Prohibit Multiple submission buttons in a short period of time (JS control, the upload button becomes invalid several seconds after the button is clicked ); To prevent the refresh and submit b

JQuery Interview Questions and AnswersJavaScript is the standard language for client-side scripting, and jQuery makes it easier to write JavaScript. You can achieve more with just a few lines of jquery code. It is one of the longest used JavaScript libraries, and there are few new projects that use native JavaScript without jquery. For you as a Java

Microsoft interview questions Interviewing at Microsoft used to be different from interviwing at other companines. However, with the advent of a new economy and the internet things have changed dramatically in the past few years. More and more companies are adopting Microsoft interviewing philosophy and hence their questions. Here is a typical set of

Linux-related Interview Questions answers, linux-related questions Linux-related Interview Questions Answers Linux Interview Questions Answers Assume that the apache log format is:1

Tags: calculate impressions Group BY Style command key signed how roughly2017-08-01 Four or five companies were interviewed in the last one weeks, and the job interview was a Java intern. found that each company's SQL knowledge of the content of the study is not the same, and their own SQL knowledge is a weakness. For this, in the rookie tutorial reviewed the SQL knowledge, but also summed up the

Asp. net interview questions and asp.net interview 1. Differences between ref and out 2. Three a labels have no id, no name, and no class. How to select the second a label and use jquert to select 3. What is the difference between a set, a generic set, and an array? 4. What is the difference between string and stringbuilder? The string object cannot be changed. E

: This article mainly introduces the Programmer Interview: the top 42 questions and answers in the telephone interview (I). If you are interested in the PHP Tutorial, please refer to it. This year is July 2015. in the past few years, electronic Interview (Telephone interview

IO is a very important point in the Java interview. You should have a good grasp of Java Io,nio,nio2 and the basics of disk IO related to the operating system. The following are frequently asked questions in Java IO.66) in my Java

Android Interview Questions and answers (2), android Questions and answers1. Activity-related. Launchmode, OnSaveInstnceState, and lifecycle. Four default launchmodes and OnNewIntent callbacks. OnNewIntent-> OnRestart-> OnStart-> onResume OnActivity-> OnResume. OnNewIntent, OnActivityResult? OnNewIntent launchmode with singletask or singleInstance. But if set the

AngularJS interview questions and angularjs questions What are the differences between ng-if and ng-show/hide? The first difference is that ng-if creates this dom node only when the following expression is true. ng-show is created at the initial time and uses display: block and display: none. The second difference is that ng-if will generate a new scope (implicit

Web Front-end interview 01 and web interview 011 -- what is a DOM event handler?What is DOM first? Dom is an API for HTML documents. What is an event stream? Event streams are divided into event bubbles (IE event streams) and event capturing. Event bubbling is to receive events from the most specific elements, and then

Android system architecture: A: The Android system architecture is divided from the bottom to the Linux kernel layer, Runtime Library, application framework layer, and application layer. Linux kernel layer: Responsible for hardware drivers, networks, power supplies, system security, and memory management. Runtime Library and androidruntion: Runtime Library: C/C ++ function library. Most of them are open-source function libraries, such as WebKit. This function library is responsible for running

speaking too much There is nothing substantive to say. In other words, it is useless words. If you cannot explain the problem in a concise manner, the interviewer will doubt whether your performance at work will be as muddy as your conversation? You can first ask the interviewer to determine whether it is necessary to explain in detail. Interpretation is also an art. The key is to determine the focus. If necessary, go deep into the details. When talking about the business, you should look at th

This article focuses on the question of Ajax questions and answers, you can take a look at the interview of those who are how to issue, and see what the correct answer is. Now, let's see this article. 1. Do you interact with the background during work? Well, can you tell me a few parameters in the encapsulated Ajax? URL: The address where the request was sent. Type: The request method (post or get) defaults

interview questions are simple and straightforward, covering the most basic concepts of C #, mostly related to object-oriented concepts. So if you're preparing a C # interview, I suggest you have to master these 125 basic C # interview questions to review your C # concept.

Tags: cloud computingXXX Education summed up a lot of cloud computing surface questions and answers, take a look at it!1. How does the production scenario properly partition the Linux system?The basic principle of partitioning is simple, easy-to-use and convenient for batch management. The following recommendations are based on server role positioning:① Standalone server: 8G memory, 300G HDDPartition:/boot 100-200m,swap 16G, memory size 8g*2,/80g,/var

During the interview, you are usually asked to fill in two tables. One is your detailed information table, and the other is the answer to the questions.Both of them should pay attention to whether there are content in the anti-positive aspect. If you test your server, there are usually two types, that is Program Connect to the database or some basic Algorithm (Binary Search, recursion, etc.), the company generally tests whether your basic skills are s

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

Summary of interview questions and summary of questions 1. Describe the animation mechanism in detail2. Describe the event mechanism3. Description: Measure and Layout. Draw process. When the size of a subclass changesWhat kind of chain reaction will it cause?4. What are the four main components of Android? 4 startup modes of Activity5. Start the Service in two w