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Freely Annotating C# pdfReflective programming is becoming popular due to the increasing set of dynamic services provided by execution environments like JVM and CLR. With custom attributes Microsoft introduced an extensible model of reflection for CLR: they can be used as additional decorations on element declarations. The same notion has been introduced in Java 1.5. The annotation model, both in Java and in C#, limits annotations to classes and class members. In this paper we describe C# a, an extension of the C# programming language, that allows programmers to annotate statements and code blocks and retrieve these annotations at run-time. We show how this extension can be reduced to the existing model. A set of operations on annotated code blocks to retrieve annotations and manipulate bytecode is introduced. We also discuss how to use C# to annotate programs giving hints on how to parallelize a sequential method and how it can be implemented by means of the abstractions provided by the run-time of the language. Finally, we show how our model for custom attributes has been realized.
Reflection and dynamic loading are becoming essential elements of modern programs. Their usefulness is testified, for example, by the JDBC architecture that shows how to implement a driver-based architecture exploiting the Java dynamic loading.
Although reflection can be used to inspect the structure of types, to access fields and even to invoke methods dynamically, the concept of tagging has been anticipated as an interesting application. Consider for instance the Java serialization architecture: the programmer can declare the instancesePortfolio Mash Up with GoogleAppsGoogle Apps for Education: ePortfolio and Formative Assessment Workflow
Schools and universities can set up free Google Apps accounts with their own domain name, where they can give all student and faculty acces to a variety of tools, including a GMail account, iGoogle portal, Google Groups for collaboration, and Pages, for creating websites. Each user can also use their GMail account to activate other Google services, such as GoogleDocs. Students and teachers have email accounts, with more than 2 GB of storage per account. Gmail is the web-based or POP-mail account that is also the common ID for other Google applications.
Students have a portal with links to all of their Google files, applications plus other tools. Students can maintain a reflective journal (blog) of their learning activities and reflections with feedback through the commenting function that is a part of any blog tool.
Students and teachers have space to discuss their work.
Students create word processing, spreadsheet or presentation artifacts in GoogleDocs. All GoogleDocs files can be shared for collaboration with other students in collaborative projects, or with teachers for feedback. Documents are the standard word processing files, where students can create online, or upload from an existing Microsoft Word or Open Office word processing file.
Spreadsheets are the standard spreadsheet applications which can be imported from an exisrting Microsoft Excel or Open Office spreadsheet file.
Presentations are the standard slide show application which can be imported from an existing Microsoft Powerpoint or Open Office presentation file. Other people can be sent the URL forHack Proofing LinuxStep-by-Step Instructions for Deploying Open Source Security Tools • Hundreds of Tools & Traps and Damage & Defense Sidebars, Security Alerts, and Exercises! • Bonus Wallet CD with Configuration Examples, Packet Captures, and Programs In spite of the ups and downs of the dot-com industry, open source software has become a viable alternative to commercial companies such as Microsoft, Sun, and IBM. Although open source software has its quirks and its problems, the open source movement has made its niche in the networking market. As a networking professional, it is in your best interest to understand some of the more important security applications and services that are available.
This book is designed to provide experienced systems administrators with open source security tools. Although we have made every effort to include as many people and as many skill sets as possible, this book assumes a fundamental knowledge of Linux.This book focuses on open source Linux applications, dae- mons, and system ?xes. In the book’s ?rst chapters, you will learn how to lock down your network. Chapter 2 discusses ways to secure and monitor the operating system, and ways to scan local and remote networks for weaknesses.You will receive detailed information on how to ensure that your system’s services and the root account are as secure as possible.
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Download Hack Proofing LinuxiPhone Important Product Information GuideRead all safety instructions for any products and. accessories before using with iPhone. Apple is not. responsible for the operation of
Important Product Information Guide 3 This Important Product Information Guide contai safety, handling, disposal and recycling, regulatory, and software licee information, as well as the one-year limited warranty for iPhone. ± Read all safety information below and operating itructio before using iPhone to avoid injury. For detailed operating itructio, including any updates to the safety and regulatory information, see the iPhone User's Guide at: www.apple.com/support/manuals/iphone Important Safety Information WARNING: Failure to follow these safety itructio could result in fire, electric shock, or other injury or damage. Handling iPhone Do not drop, disassemble, open, crush, bend, deform, puncture, shred, microwave, incinerate, paint, or iert foreign objects into iPhone. Avoiding Water and Wet Locatio Do not use iPhone in rain, or near washbasi or other wet locatio. Take care not to spill any food or liquid on iPhone. In case iPhone gets wet, unplug all cables, turn o? iPhone (press and hold the Sleep/Wake button, and then slide the ocreen slider) before cleaning, and allow it to dry thoroughly before
Download PDFBluetooth Hacking Full DisclosureThe security mechanisms Known vulnerabilities Tools that are used Live demonstration Who is investigating Adam Laurie CSO of The Bunker Secure Hosting Ltd. DEFCON staff and organizer Maintainer of the Linux Bluetooth stack Marcel Holtmann Martin Herfurt
Security researcher Founder of trifinite.org What is this about What is Bluetooth Bluetooth SIG Trade association Founded 1998 Owns and licenses IP Bluetooth technology A general cable replacement Using the ISM band at 2.4 GHz Protocol stack and application profiles How it works Data and voice transmission ACL data connections SCO and eSCO voice channels Piconet and scatternet topology Frequency hopping 79 channels 1600 hops per second Creating the topology Hopping sequence defines the piconet
Master defines the hopping sequence Up to seven active slaves Scatternet creation Bluetooth architecture Hardware layer Radio, Baseband and Link Manager Access through the Host Controller Interface Standards for USB and UART Host protocols L2CAP, SDP, RFCOMM, BNEP, AVDTP etc. Serial Port Profile, Dialup, PAN, A2DP, HID etc. Application profiles Bluetooth stack Application specific security mechanisms Bluetooth host security mechanisms Security mechanisms on the Bluetooth chip Bluetooth security Link manager security All security routines are on-chip Nothing is transmitted in “plain text” Interface to the link manager security Part of the HCI specification Easy interface No further encryption of pin codes or keys Host stack security Bluetooth link keys Needed for authentication Used for encryption SAFER+ (128 bit block cipher) Generated by pairing process Passkey (1-16 alphanumeric characters) Random number (from device internal clock) BD_ADDR of piconet master Security modesVW Passat B5 A-Pillar Gauge Pod Installation InstructionsSome 2001 and later Volkswagen vehicles use A-pillar mount airbags. A-pillar pods should NOT be used on these vehicles.
1. Remove a-pillar trim by locating upper seam and prying outward. Use clean hands and avoid using any type of tool to pry. Once a small opening is created at the pillar top, use some force to release the 4 plastic mounting clips. With a-pillar cover pulled out, lift upwards and remove completely.
2. On a clean surface, lay out gauge pod and a-pillar trim. There will be a faint imprint on the a-pillar trim outlining the top of the dashboard. The bottom (plastic) edge of the gauge pod should be positioned to follow this line and rest on the dashboard. The dashed line in the drawing below represents the top of the dashboard.
3. Line edges up and wrap the fabric tabs over the a-pillar trim. Use sharp scissors to precisely notch the tabs where any protrusions of the pillar trim exist. Use masking tape to secure fabric tabs during test fitment. With gauge pod positioned, test fit the assembled gauge pod and a-pillar trim to check fitment. Adjust as required.
4. Once you have the pod positioned correctly, begin to mark the a-pillar trim for drilling.* See diagrams below for approximate positioning of the hole to be drilled. The hole should be at least 3/8” in diameter to accommodate tubing and wiring. The position of the hole should be such that the tubing can easily route from the gauge without any sharp bends.Tutorial on Threads Programming with PythonThreads play a major role in applications programming today. For example, most Web servers are threaded, as are many Java GUI programs. Here are the major settings in which using threads has been founded convenient and/or efficient:
• Programs with asynchronous events:
Here the program must be ready for various events, but does not know the order in which they might occur. For example, in Sections 3.1 and 3.2, we have a network server connected to several clients. The server does not know from which client the next message will arrive. So, we have the server create a separate thread for each client, with each thread handling only its client.
• Programs whose peformance can be improved through latency hiding:
Here the program is doing multiple I/O operations, each having long latency, i.e. delay in response. We’d like to perform useful work while waiting for the response, so we have different threads for each I/O action. This way, although the latency is still there, it is “hidden” by doing other useful work in parallel.
For example, in Section 4.2, each thread performs a separate network operation.
• Computation-intensive programs:
If our program is a long-running mathematical computation, it can really benefit from having several processors, e.g. two processors in the case of dual-core machines. By having our program set up a different thread for each processor, we have the potential for substantial speedup, due to the parallelization of the computation. An example is in Section 5.
What Are Threads?
Processes
If your knowledge of operating systems is rather sketchy, youOntology Maturing: a Collaborative Web 2.0 Approach to Ontology EngineeringMost of the current methodologies for building ontologies rely on specialized knowledge engineers. This is in contrast to real-world settings, where the need for maintenance of domain specific ontologies emerges in the daily work of users. But in order to allow for participatory ontology engineering, we need to have a more realistic conceptual model of how ontologies develop in the real world. We introduce the ontology maturing processes which is based on the insight that ontology engineering is a collaborative informal learning process and for which we analyze characteristic evolution steps and triggers that have users engage in ontology engineering within their everyday work processes.
This model integrates tagging and folksonomies with formal ontologies and shows maturing pathways between them. As implementations of this model, we present two case studies and the corresponding tools. The first is about image-based ontology engineering (introducing so-called imagenotions), the second about ontology-enabled social bookmarking (SOBOLEO). Both of them are inspired by lightweight Web 2.0 approaches and allow for realtime collaboration.
Within state-of-the-art semantic approaches, ontologies have emerged as the key to enable more advanced technological support for end users and their work processes, which particularly applies to knowledge work. However, current research and development concentrates more on what we can do as soon as we have ontologies—rather than having a closer look at the processes of creating and especially maintaining such domain-specific ontologies. In real-world settings these issues are crucial to fulfill the users’ needs and currently insufficiently dealt with.
It is usually acknowledged that ontologies areMicrosoft Windows Vista animated mouse pointer loader vulnerability analysisMicrosoft Windows Vista, like previous versions, supports animated mouse pointer. The animated mouse pointers are loaded from .ANI files by the functions from USER32.DLL called LoadCursorIconFromResource and LoadCursor. These functions use an internal function called _LoadCursorIconFromFileMap which, under certain conditions, is prone to a buffer overflow
To understand the vulnerability, a basic knowledge about the .ANI file format is required. The .ANI file starts with a magic value “RIFF”, followed by a DWORD containing the data length, and followed by another magic value “ACON”. The rest of the file is based on chunks. Each chunks starts with a four byte identification word (“anih” for ANI header, “fram” for frames, etc), and a DWORD containing the chunk length. For example, the length of the “anih” ANI header is always 36 bytes long, so the eight bytes of the chunk would be “anihx24 ”.
The internal function responsible for reading the animated pointer from the file is called _LoadCursorIconFromFileMap and is located in the USER32.DLL. The function tries to determine if the file has more than one frame, and if so, it calls another internal function called _LoadAniIcon.
Download pdf Microsoft Windows Vista animated mouse pointer loader vulnerability analysisVPN Client User Guide for Mac OS XThis VPN Client User Guide describes how to install, use, and manage the Cisco VPN Client for the Macintosh operating system, Version 10.2 or later. You can manage the VPN Client for Mac OS X from the graphical user interface or from the command-line interface. The VPN Client for Mac OS X installer program installs both the graphical user interface and the command-line version of the VPN Client.
This guide is for remote clients who want to set up virtual private network (VPN) connections to a central site. Network administrators can also use this guide for information about configuring and managing VPN connections for remote clients. You should be familiar with the Macintosh platform and know how to use Macintosh applications. Network administrators should be familiar with Macintosh system configuration and management and know how to install, configure, and manage internetworking systems.
In this user guide:
• The term Cisco VPN device refers to the following Cisco products:
– Cisco IOS devices that support Easy VPN server functionality
– Cisco VPN 3000 Series Concentrators
– Cisco PIX Firewall Series
• The term “PC” refers generically to any personal computer.
• The term click means click the left button on a normally-configured multi-button mouse. The term right-click means click the right button on a normally-configured multi-button mouse. If your mouse has only one button, use Ctrl-Click to access the right-click menus.
Download pdf VPN Client User Guide for Mac OS X