data center interview questions

: The above can solve the POST request garbled problem. There are two garbled methods for GET request Chinese parameter:Modify the Tomcat profile add code to match the project code as follows: Another way to re-encode parameters: StringuserName =newString (Request.getparamter ("UserName"). GetBytes ("Iso8859-1"), "Utf-8") Iso8859-1 is the tomcat default encoding, and the Tomcat encoded content needs to be encoded by utf-8What is

as follows: SELECT * from WHERE >= (SELECT from articles WHERE = 123 ORDER by 10000 1 Ten 3. How does the MySQL index be implemented? What's the problem? Simply understood, the index is to speed up the query . The index is stored independently, so when the amount of data is large, updating the table to update the index at the same time, causing the update speed down . Here I have referred to two articles, the address is as follows: http://fangjia

ASP. NET classic 60 interview questions, asp. net60 questions 1. Briefly describe the access permissions of private, protected, public, and internal modifiers.A. private: private Members can be accessed within the class.Protected: protects members, which can be accessed within the class and in the inheritance class.Public: A public member. It is completely public

1 , what are the aspects of object-oriented features ?　　The object-oriented programming language has 4 main features: encapsulation, inheritance, abstraction, polymorphism, etc.Details:http://www.cnblogs.com/guweiwei/p/6599289.html2 , access modifiers public,private,protected, and what is the difference between not writing (the default)? 　　Defaults to default when members of a class do not write access adornments. The default is equivalent to exposing (public) to other classes in the same packag

multiple threads are scrambling for cpu resources. 2. Comparison of threads and processes A thread has many characteristics of a traditional Process. It is also known as a Light-Weight Process or a Process element; The traditional Process is called a Heavy Process (Heavy-Weight Process), which is equivalent to a task with only one thread. In the operating system where threads are introduced, a process usually has several threads and requires at least one thread. Differences between processes a

PHP classic interview questions and php classic questions This article analyzes in detail the typical PHP interview questions. Share it with you for your reference. The details are as follows: I did some php questions on the Inter

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: T

/* Interview questions: Final modification of local variables Base type: The value of the base type cannot be changed. Reference type: The address value of a reference type cannot be changed, but the value of the object's heap memory can be changed. */ Class Student { int age = 10; } Class Finaltest { public static void Main (string[] args) { Local variables are basic

Oracle Database Development interview questions, I did not do the test at that time, now with the original questions and answers, oracle Test 1, ID123567810111215 Table Name tt. use SQL to find the non-consecutive IDs in the ID column, for example, 4 which does not exist: -- Create table and data create table tt (id in

Java Exception Handling interview questions, java exception handling questions 1. What are the differences between error and exception? An error indicates a system-level error. It is an internal error in the java Runtime Environment or a hardware problem. You cannot expect a program to handle this problem. You have no choice but to exit the operation. It is throw

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

[Programmer interview questions selected 100 questions] 4. All the paths in the binary tree and for a specific value, the programmer's Binary Tree[Question] Enter an integer and a binary tree. Access from the root node of the tree to all the nodes that the leaf node passes through to form a path. Print all paths equal to the input integer. For example, enter the

Data center management diary-, data center 2014I'm curious. Are there so many people surnamed Wang? Lenovo's after-sales service has come several times, all of which are surnamed Wang. The master who arranged the line is also surnamed Wang... This reminds me of the amazing old Wang next door. This morning, I encounter

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

Java learning path-simple basic interview questions, java path-Questions 1. What are the features of object orientation? A: The object-oriented features mainly include the following: 1) Abstraction: Abstraction refers to the process of summarizing the common features of a class of objects to construct classes, including data