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COBOL Frequently Asked Questions

Posted on March 25, 2009 by

Dreamer

1. What is a reentrant program? How will you make a program Reentrant? A reentrant program, while being executed resides in the common virtual area so that one copy of it may be shared among all callers. Use RENT compiler option. 2. What is the difference between a 01 level and 77 level? 01 level can have sublevels from 02 to 49. 77 cannot have sublevel. 3. What are the few advantages of VS COBOL II over OS/VS COBOL? The … More ->

Tagged advantages of VS COBOL II over OS/VS COBOL, BY REFERENCE identifier, COBOL Frequently Asked Questions, COBOL Interview Questions, COMMON attribute usage, Default, Difference between a 01 level and 77 level, Difference between a binary search and a sequential search, Difference between an internal and an external sort, Difference between next sentence and continue, Difference between Structured Cobol Programming and Object Oriented COBOL programming, DISPLAY WS-TABLE, LOCAL-STORAGE SECTION, Number of dimensions are allowed for a table, ON SIZE ERROR phrase, Passing BY CONTENT, Passing BY REFERENCE, Passing BY VALUE, REDEFINES clause, Reentrant program, SEARCH verb, Steps for creating a COBOL program executable, Structure of a COBOL subroutine, TEST BEFORE or TEST AFTER for a PERFORM statement, Use of Declaratives in COBOL, Working-storage variables, WS-TABLE

NTLM Authentication by jCIFS

Posted on March 24, 2009 by

Dreamer

This article details how to get a Java-based web-application to negotiate with a IE web client for username and domain information. This is a common requirement for web-based applications especially ones that do not want to bore users with a login page. IE will negotiate a user’s password hashes with the webserver, which checks their authenticity against a windows domain controller. If valid, the user’s username and domain will be accessible to the webserver servlets. NTLM Authentication and how we … More ->

Tagged BASIC or certificate-based authentication, CLIENT-CERT, DIGEST, HttpServletRequest, HttpServletRequest.getRemoteUser(), jcifs.http.domainController, jcifs.http.NtlmHttpFilter, JSP, NTLM Authentication by jCIFS, NTLM HTTP Authentication Example, open-source jCIFS package, servlet, Web applications

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J2EE Frequently Asked Questions

Posted on March 23, 2009 by

Dreamer

1. What is an Application Server? An application server is a program that handles all application operations between users and an organization’s backend business applications or databases. An application server is software that doesn’t do regular stuff like sell your stocks or let you write documents. A server’s users aren’t people; the server’s users are other applications. Application servers provide services to distributed applications. These services include security, data integrity, and resource management (making sure there’s enough memory to go around). These … More ->

Tagged Business tier, Components of a J2EE Application Server, Container interacts with the Application and the user, Database tier , Deployment Descriptor, Difference between JavaBeans and Enterprise JavaBeans, Difference between Servlets and JSP, Different tiers in a J2EE application, Different types of Enterprise JavaBeans, Distributed Enterprise System, EJB container, Entity Bean, Handles, How is the Web Container different from the Web server, J2EE Frequently Asked Questions, J2EE Interview Questions, J2EE Technical Questions, J2EE Tutorial, Java 2 Enterprise Edition, Java 2 Standard edition, Message-Driven Bean, Presentation tier, Services provided by the EJB Container, Servlets, Session Bean, Web container, Web server, What are servlets

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Juniper Routers Tutorial

Posted on March 23, 2009 by

Dreamer

Juniper Networks Router Design The central design principle of the Juniper Networks platform centers on a separation of the control and forwarding planes within the router. The Routing Engine and the Packet Forwarding Engine, respectively, represent these planes. Routing Engine Overview The Routing Engine in a Juniper Networks router is the central location for control of the system responsible for: • Storing the JUNOS software & Performing software upgrades • Monitoring and configuring the router. • … More ->

Tagged Altering the Configuration, BGP STATE & RECEIVED PREFIXES STATS, Command Completion, Command-Line Interface, Commit Command, Configuration Mode, Configure the Backbone Area, Context-Sensitive Help, Disabling/Deactivating Interface, Flexible PIC Concentrator, Getting Help from the Router, Juniper Networks Router Design, Juniper Routers Introduction, Juniper Routers Tutorial, JUNOS software CLI, JUNOS Software Routing Table, Monitoring and configuring the router, Operational Mode, or traceroute, Packet Forwarding Engine, Permanent Interfaces, Physical Interface Card, ping, Protocol Addresses, Protocol MTU, Restoring an Old Configuration, Run Command, toring the JUNOS software, Transient Interfaces, Troubleshooting tools like Telnet, Using the Pipe through a command

JSP Frequently Asked Questions

Posted on March 11, 2009 by

Dreamer

Can a JSP page instantiate a serialized bean? It’s similar to communication between Servlet and Applet. I’m also suffering for that. In applet, there is no problem when posting a request to JSP. But in case of getting a response of JSP, “java.io.StreamCorruptedException” occurs if I use ObjectInputStream. It’s fine, however, if I use InputStreamReader. Confer the sample below. /** applet */ // Get URLConnection String urlStr = “http://www.webtrack.co.kr/jsp/appletproxy.jsp”; URL serverURL = new URL(urlStr); URLConnection uc = serverURL.openConnection(); uc.setDoOutput(true); // … More ->

Tagged Better approach for enabling thread-safe servlets and JSPs, Can I invoke a JSP error page from a servlet, Difference between the JSDK and the JSWDK, encodeURL() and encodeRedirectedURL(), How can I declare methods within my JSP page, How can I enable session tracking for JSP pages if the browser has disabled cookies, How do I use a scriptlet to initialize a newly instantiated bean, Inactivity lease period on a per-session basis, instantiate a serialized bean, JSP comments, JSP cookies, JSP Frequently Asked Questions, JSP Interview Questions, JSP lifecycle method, JSP Redirection, JSP Technical Questions, jspDestroy(), jspInit(), Performance comparison between JSp, Run-time exceptions, sending mails from jsp page, servlets and Perl script, SingleThreadModel Interface or Synchronization, thread-safe JSP page example, ThreadSafe="false", URL rewriting, use of a ServletOutputStream object, useBean

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