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Tuesday, June 16, 2009

How Not to Program in C++


How Not to Program in C++

How Not to Program in C++: 111 Broken Programs and 3 Working Ones, or Why Does 2+2=5986
Publisher: No Starch Press | ISBN: 1886411956 | edition 2003 | CHM | 280 pages | 1,2 mb
How Not to Program in C++ is a puzzle book with over 100 challenges. Readers must find errors in up to 40 lines of code. By learning to detect the errors, readers become more efficient programmers. Based on real-world programs, readers solve puzzles ranging from easy (one wrong character) to difficult (errors with multiple threads). Clues help along the way, and answers are at the back of the book.


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PCWorld Magazine June 2009


PCWorld Magazine June 2009



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XP Repair Pro Full-NEW UPDATED VERSION-LATEST VERSION!


XP Repair Pro Full-NEW UPDATED VERSION-LATEST VERSION!

Description: XP Repair Pro will scan and repair over 53,000 common Windows Errors Our unique and one of a kind technology repairs over 53,000 Windows errors and is guaranteed to fix problems on your system. Using hi-tech and effective functions your system performance will be improved in a dramatic way. Windows and your software will run faster and your system will be more stable. XP Repair Pro 2006 is the Most Comprehensive System Repair Tool on the Market. An advanced Registry Cleaner finds and repairs system errors and incorrect information in the windows registry. An optimizer removes obsolete and duplicate entries that Windows and other programs leave behind. It will fix random PC crashes, error messages and will improve system performance by up to 750 percent. After the system scan is completed you can view a complete list of errors that were detected and choose to remove which ones you would like or just let the Intelligence System determine which should be removed. The Intelligence System not only detects errors, but also analyzes each error against the software installed on your computer to determine how that error may affect other software. Here are some key features of XP Repair Pro: - Scans Eight Key Areas of Your PC - Enhanced Registry Deep Analysis - A More Functional Scan Results Screen - Enhanced Graphical User Interface (GUI) - Improved and Streamlined System Optimizer - Safely Repair Errors in your Windows System - Improve System, Program and Gaming Performance and Stability - Fast and Secure Scanning Algorithms - Scans Your Drives for Unused Shortcuts - Automated System Restore Point Creation - Compacts the Windows Registry for optimized system performance - Automated Repair Capabilities


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Head First Web Design


Head First Web Design

Want to know how to make your pages look beautiful, communicate your message effectively, guide visitors through your website with ease, and get everything approved by the accessibility and usability police at the same time? Head First Web Design is your ticket to mastering all of these complex topics, and understanding what�s really going on in the world of web design. Whether you�re building a personal blog or a corporate website, there�s a lot more to web design than div�s and CSS selectors, but what do you really need to know? With this book, you�ll learn the secrets of designing effective, user-friendly sites, from customer requirements to hand-drawn storyboards all the way to finished HTML and CSS creations that offer an unforgettable online presence. Your time is way too valuable to waste struggling with new concepts. Using the latest research in cognitive science and learning theory to craft a multi-sensory learning experience, Head First Web Design uses a visually rich format specifically designed to take advantage of the way your brain really works. Titel: Head First Web Design Autor: Ethan Watrall Verlag: O�Reilly Seiten: 495 Format: PDF



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Actual tests HP HP0-081 Exam

Actual tests HP HP0-081 Exam


Exam : HP0-081
HP's OpenVMS System Administration
Purpose of the exam prep guide
The intent of this guide is to set expectations about the content and the context of the exam and to help candidates prepare for the exam. In this guide, you will find recommended HP training courses, reference and study material help you achieve a successful passing score. Studies conducted by HP and Prometric show that a combination of course attendance and self-study maximizes the likelihood of passing the exam on the first attempt.

Audience
The OpenVMS System Administration exam is intended for IT professionals who understand networking fundamentals and who typically support non-clustered AlphaServer systems running OpenVMS. These professionals are expected to have an intermediate knowledge level of OpenVMS, and one year of hands-on experience with OpenVMS.
Candidates should take the exam after acquiring the necessary competencies and when able to meet the exam objectives outlined in this document.
OpenVMS System Administration exam #HP0-081

Scope of the Exam
The OpenVMS System Administration exam measures intermediate level knowledge and skills related to the major competencies and technologies listed below. You need hands-on experience to pass this exam. Candidates typically require 12 months to obtain this experience, and to develop the desired competencies sufficiently.

Major Competencies
Exam candidates should be able to:
· Install OpenVMS V8.2
· Configure/customize OpenVMS to customer’s specifications
· Upgrade OpenVMS to its latest version
· Manage Devices, Queues, Users, and Files
· Backup files
· Set and manage security and performance features
· Demonstrate knowledge of OpenVMS concepts and terminology

Major Strategies, Technologies, and Concepts
Exam candidates should have intermediate level knowledge of the following strategies, technologies, and concepts:
· OpenVMS operating system V8.2
· File systems
· OpenVMS Volume Shadowing
· RAID
· Batch and print queuing
· Networking
· System Security
· User Interface
· Basic cluster concepts

OpenVMS System Administration
Exam Objectives
Use the exam objectives listed in this section to guide your study and to check your readiness for the exam. The exam measures your understanding of these
objectives. The approximate percentage of exam questions dedicated to each major category of objectives is included in parenthesis.

OpenVMS System Administration
Installation, Configuration and Upgrade
Explain the prerequisites for operating system installation/upgrade.
List the steps needed to perform operating system installation/upgrade.
List the steps needed for managing OpenVMS licensing.
Explain how to manage patches and layered product revision levels.
Explain how to display key network parameters.
Explain the purpose and conventions for TCP/IP domain names, node names, IP addresses, and DHCP.
Explain the purpose and how to use the following utilities/procedures during a basic network installation: LANCP, NETCONFIG.COM,
NET$CONFIG.COM, UCX$CONFIG.COM, TCPIP$CONFIG.COM, and LAT$STARTUP.COM.
Explain how to configure a system to boot from a SAN device.

System Startup and Shutdown
List and describe the sequence of events of normal system startup.
Define the purpose of OPCOM, ERRFMT and JOB_CONTROL processes.
List the steps used to boot a powered-down, halted or crashed system.
Explain the console variables used to control the normal boot process.
Explain how to force a crash dump.
Explain how to collect and preserve BUGCHECK information.
Explain how to examine the error log.
List and describe the sequence of events of an orderly system shutdown or reboot.
Explain how SYSTARTUP_VMS.COM and SYSMAN are used to perform common startup tasks.

Device Management
Explain how to set the characteristics of individual terminals.
Explain the system parameters used to set default terminal characteristics.
Explain how to display terminal information.
Explain how to set printer characteristics.
Explain how to display device and printer information.
Explain how to allocate and deallocate devices.
Explain how to configure or initialize volumes.
Explain how to add members to and remove members from shadow sets.
Explain how to display storage device information.
Explain the purpose of mount verification.
Explain how to display and configure a network interface.
Recognize Fibre Channel.

File System Management and Backup
Define file fragmentation and explain its consequences.
Differentiate between ODS-2 and ODS-5.
Explain how to set, modify, and display volume high-water marking, the volume label, and other volume attributes.
Explain how to use ANALYZE/DISK to obtain error reports, recover lost files and blocks and resolve multiply-allocated blocks.
Explain the SET command for rebuilding the file system.
Explain how to transfer files between storage volumes.
Differentiate image, incremental, and physical backups.
Explain risks of using volume shadowing in place of backup.
Explain how to backup and restore files or volumes.
Explain how to create and restore image backups.
Explain how to list the contents of a saveset.
Explain the BACKUP qualifiers used to ensure data integrity.
Define and explain the issues associated with setting files to NOBACKUP.
Explain how to locate files on tapes.

User Management
Define pooled, deductible, and nondeductible user limits and quotas.
Explain the relationships between UAF and PQL system parameters.
Define the categories of user privileges, and identify the activities permitted with each privilege.
Explain the purpose of SYSUAF.DAT and RIGHTSLIST.DAT.
Explain the purpose of the system-supplied DEFAULT, FIELD, SYSTEM, and SYSTEST accounts.
Explain the purpose of the common configuration files such as
VMSMAIL_PROFILE.DATA.
Explain how to use AUTHORIZE to manage user accounts.
Explain how to manage identifiers.
Describe the steps needed to add a user to the system

Queue Management
Define the concepts of queuing and spooling.
Explain the purpose of queue managers, forms, and library modules.
Differentiate and explain the relationship between generic and execution queues.
Explain how to create, start and stop batch and print queues.
Explain how to set and modify queue parameters and characteristics.
Identify the files that comprise the queue database.
Explain how to identify why a queue is stalled, and how to resume a stalled queue.

System Performance and Customization
Manage primary and secondary page files
Identify potential sources of CPU bottlenecks.
Identify potential sources of memory bottlenecks.
Identify potential sources of I/O bottlenecks.
Define balance set and working set.
Define modified page list and free page list.
List and explain the phases of AUTOGEN.
Explain the purpose and contents of MODPARAMS.DAT.
Explain the basics of TDC.
Explain the basics of XFC.

Security
Define and explain the purpose of security auditing.
Define the purpose of the AUDIT_SERVER process and the security audit journal.
Explain how to enable and disable security auditing.
Explain how to examine audit events.
Explain how to display and delete intrusion records.

User Interface
Explain the purpose of the syntactical components (i.e. verb, parameter, and qualifier) of a generic DCL command.
OpenVMS System Administration exam #HP0-081 Exam Preparation Guide
Identify the elements of the DCL message: facility, severity, ident, and text.
Explain how to pass parameters to a command file.
Explain how to obtain log files for command files run interactively and as batch jobs.
Explain how to monitor the execution of each command in a command file.
Explain how to define, display, and delete logical names and symbols.
Identify the lexical functions for obtaining system, device, and job process information.
Explain how to set DECwindows remote display.

Basic OpenVMS Operating System Concepts and Terminology
Define working set.
Explain the purpose of the page file and the swap file.
Explain and differentiate between paged and non-paged pool.
Differentiate between buffered and direct I/O.
Explain the purpose of clustering.
Explain the purpose of a cluster interconnect.

Recommended Training Courses and Documents
This section lists training courses and documents that can help you acquire a majority of knowledge and skills needed to pass the exam, but you must also gain the practical experience outlined in this guide. Specifically, you should have 12 months practical experience installing and administering a networked AlphaServer system running OpenVMS, which should include each major competency cited in the previous section.
You are not required to take the courses listed in this section before taking the exam. However, HP strongly recommends that you attend the appropriate classes, participate in class labs, and thoroughly review course materials and reference documents before taking the exam.

Instructor-Led Training
Use the information in this guide and the practical experience you have gained to determine which of the following courses, if any, you should take to prepare for this exam.

· HP OpenVMS V8.s Technical Update (u8631)
· HP OpenVMS Fundamentals (u3716s)
· HP OpenVMS System Management I: Essentials for Established Systems (u3724s)
· HP OpenVMS System Management II: Installation, Configuration & Customization (u3725s)
OpenVMS System Administration exam #HP0-081 Exam Preparation Guide


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