application developer interview questions

); $ Pos1 = strpos ($ url ,"."); $ Pos2 = strpos ($ url ,"? "); If (strstr ($ url ,"? ")){ Return substr ($ url, $ pos1 + 1, $ pos2-$ pos1-1 ); } Else { Return substr ($ url, $ pos1 ); } } 19. write a function to calculate the relative paths of the two files? For example, $ a = '/a/B/c/d/e. php '; $ B ='/a/B/12/34/c. php '; calculates that the relative path of $ B relative to $ a should be http://bbs.it-home.org/c/d. add (): Function

This project focuses on some of the most difficult concepts in Android, as well as the classic questions that may be asked during an interview. Because these knowledge points are relatively trivial, not very suitable for writing an article, so the use of GitHub management, the content will be first in the GitHub update, here is not timed synchronization, if you want to be notified the first time, please

client. The expression is defined between the two tags, 9. What does the implied object mean? What are the hidden objects?JSP implied objects are some Java objects in the page, and the JSP container allows these Java objects to be used by developers. Developers can use them directly without a clear statement. JSP implicit objects are also called predefined variables. The following lists the implied objects in the JSP page:ApplicationPageRequestResponseSessionexceptionOutConfigPageContext

maintainability and non-repetition of wheel-making. For example, all spring templates (JDBC,REST,JPA, and so on) have the following advantages: they are built in a consistent way, so you can skip these general steps to focus on more important business logic. Spring MVC is not necessarily the best web framework. There are other, for example, Struts 2,wicket and JSF. That said, spring can also be well integrated with these frameworks (STRUTS,JSF, etc.). XML files are too bloated, and this

article to learn more about the callable,future example.6. What is Futuretask?Futuretask is a fundamental implementation of the future, and we can use it with executors to handle asynchronous tasks. Usually we do not need to use the Futuretask class, it becomes very useful when we intend to rewrite some methods of the future interface and keep the original base implementation. We can just inherit from it and rewrite the methods we need. Read the Java futuretask example to learn how to use it.7.

10 practical interview questions and answers on the Squid Proxy Server in Linux Not only do system administrators and network administrators often hear the word "Proxy Server", but we also often hear it. Proxy servers have become the norm of enterprises and are often exposed to them. It also appears in the cafeteria of small schools or large multinational companies. Squid is an

Most of the problems in this article are analyzed from the network, and some personal issues are added. All references indicate the source, or are provided directly in the form of a URL. If you have any incorrect support, please check it out in time! Thank you! ASP. NET (UI) Developer Describes how a browser-based form post becomes a server-side event, such as buttonemedionclick.For this question, please refer to artech's article http://www.cnbl

From: http://www.leezao.cn/article.asp? Id = 465 This article focuses on several common C # And. Net classic interview questions, such as "differences between classes and structures in. Net", and "How many methods of passing values between ASP. NET pages ?", The answer is concise and concise, hoping to help readers who want to learn C # And. net. 　1. What is the difference between classes and structures i

Android interview questions 1. Which of the following statements about memory reclaim are correct? (B)A. the programmer must create a thread to release the memory.B. The memory reclaim program is responsible for releasing useless memory.C. The memory reclaim program allows programmers to directly release the memory.D. The memory reclaim program can release memory objects at the specified time. 2. The follow

PB and Database interview questions First part: PB (PB6 ~ PB7) (10 points per topic) 1. Write a global function f_center (), and the parameter Aw_window to the window type so that it is centered automatically. 2. For information on how to access image or text type data in Pb, please give an example. 3. How to detect whether the data window has been modified. 4. Write a global function F_getparentwindo

). Loue: A thread can generate a loue object to manage the Message Queue (Message Queue) in this thread ). Handler: You can construct a Handler object to communicate with logoff so as to push new messages to the Message Queue or receive messages sent by logoff from the Message Queue. Message Queue: used to store messages placed by threads. Thread: the UI thread is usually the main thread, and a Message Queue is created for the Android Startup Program. 8. Let's talk about the principles of

Apple Developer Account TypeTo apply for a company developer account please clickTo apply for an Enterprise developer account, clickA personal Developer Account application is introduced here1, there is no Apple account to register a first, the registration is very simple, t

Interview Questions: ASP. NET 1. Describe the role of inetinfo.exe, aspnet_isapi.dll and aspnet_wp.exe in the page loading process. Inetinfo.exe is the Microsoft IIS server running, handling ASP. net requests among other things. when an ASP. NET Request is already ed (usually a file. aspx extension), the ISAPI filter aspnet_isapi.dll takes care of it by passing the request tothe actual worker process as

business days to process the order, after the completion of the mail notification. Ha ha. NBSP;2013/5/22 Update received activation email today, activation, account can be used, specific how to use the time to study. Hey NBSP;2014/6/6 Update Since many friends ask a lot of details about the application, many of the problems you have encountered I have not met. Can't answer that. So I offer some official answers and contact information to everyone

/requests, and improve program performance Cache usage Steps (1) Use the data, first to the cache to view, and then remove the use (2) no data in the cache, calculate/request, and then cache the Data. Cache application: Fibonacci Recursive functions Fibonacci-cut Sequence Optimization "cache" Script> varCache= {}; function Fn4(m){ if(cache[m]){ returncache[m]; } if(m=== 1 ||M==

into the corresponding method to invoke the logical layer of the method to achieve response to the customer.There are no doget, dopost, and so on in the Servlet interface and Genericservlet, these methods are defined in HttpServlet, but all return error information, so, each time we define a servlet, Must implement these methods such as Doget or Dopost.Each custom servlet must implement the Servlet interface, and the Servlet interface defines five methods, of which the more important three meth

discard other tasks after the D.looper, each Looper create a message queue and thread object, not a resource pool; so the answer is AC9. The following understanding of the Android Ndk is correct ( ABCD )A, the NDK is a collection of a series of toolsB, NDK provides a stable, limited functionality of the API header file declarationC, so that "java+c" the development of the way finally become a positive, officially supported the development of the wayD, NDK will be the beginning of Android platfo