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How to Write Crap Code in C# - Anti-Patterns for PerformanceThis talk is all about writing performant code, not the other kinds of monstrosities that you might regard as crap code. We’ll leave obfustucated code to the Perl programmers, C# isn’t very good at it. Managed languages such as C# are often criticised for being slower than their counterparts such as C++. Often these claims are unfounded. I’ve worked on several projects where performance has been a problem and often people don’t understand why their code is running slowly. Typically they’ll blame the .NET runtime as the problem’s obvious there rather than in their own code. So what sort of performance pitfalls await the unwary? Inspired by the concept of proof by contradiction I decided to take a program and ignore Microsoft best-practises to see "How Slow It Could Go."
I’ve written a simple application to analyse the complete works of Shakespeare that will allow me to demonstrate various techniques. The analysers have been written as plug-in modules so can I select one, click Analyse and it returns statistics for the text. All the analysers implement the same functionality, some more quickly than others.
The operation is very simple. Each Shakespeare play is a separate textfile, the program scans all the text files in a folder. Splits the text into lines, removes any punctation and converts everything to lowercase. Each word is taken in turn and looked up in a master dictionary. If we have already encountered the word we increment the count of the number of times it has occurred, ifUSB 2.0 Portable Hard Drive User Manual pdfThis user guide will explain how to use the Portable Hard Drive. Please read this manual carefully before using this product. Parts Description LED Indicator USB Interface USB Interface: The USB connector connects to the USB port of your computer. LED Indicator: The LED Indicator will show the status of the device. Once the device is in operation, the LED light will flash quickly. Driver Installation & Functions Install Driver (For Windows 98SE only) Windows 98SE will not recognize the USB 2.0 Portable Hard Drive until you have installed the driver using the included installation CD-ROM. Follow the detailed instructions in this section to activate the USB mass storage function, so you will be able to transfer files from your computer to your Portable Hard Drive. a. Plug the Portable Hard Drive into an available USB port of your computer or notebook.
Then insert the CD-ROM into the CD Drive. Windows 98SE will automatically detect the device. Click Next to continue. Plug & Play (For Windows ME, 2000, XP and Mac OS9 or Higher) These versions of the Windows or Mac operating systems will automatically detect your Portable Hard Drive after a connection with an available USB port is established. When you plug the device into an available USB port in your computer or notebook, a Local Disk icon will be shown in My Computer. Warning: To unplug the Portable Hard Drive, you have to follow the Safe Removal of Hardware procedure: Windows ME, 2000ADOBE PHOTOSHOP CS3 TUTORIALAdobe Photoshop CS3 is a popular image editing software that provides a work environment consistent with Adobe Illustrator, Adobe InDesign, Adobe ImageReady, and other products in the Adobe Creative Suite. This tutorial is an introduction to using Adobe Photoshop. Here you will learn how to get started, how to use the interface, and how to modify images with basic Photoshop tools.
OPENING
Begin by opening Adobe Photoshop CS3.
On a PC, click Start > Programs > Adobe > Photoshop CS3, or click on the shortcut on the desktop.
On a Mac, click Macintosh HD > Applications > Adobe Photoshop CS3 > Photoshop CS3 shown in Figure 1, or click the icon in the Dock.
SETTING UP THE DOCUMENT
Setting up your document correctly from the start will make your job much easier as you work through your project. This will require some advanced planning. For example, if your final output will be a brochure, you may need to set up your document to be horizontal and double-sided. To create a new document, click File > New. This will open the Document Setup dialog box (Fig. 2).
Download pdf ADOBE PHOTOSHOP CS3 TUTORIALWindows Vista Ultimate Activation Crack Review pdfUsers are experiencing lost functionality The Ultimate Crack for Windows Vista is a new workaround designed to circumvent the activation process of the operating system. The method delivered by the Ultimate Crack is similar to that of the Time Crack or 2099 Crack; however, unlike the 2009 activation workaround, the Ultimate Crack will only work with Windows Vista Ultimate edition. With the consumer availability of Vista just five days away, Microsoft has still to deliver on a former promise to tackle the 2099 Crack. At the start of 2007, the Windows Genuine Advantage team revealed that an update to the WGA toll is under development and that it will address the operating systems activated via the 2099 Crack.The Ultim
ate Crack is a combination of a download and user hack. It involves modifying the pkeyconfig.xrm-ms and tokens.dat files. Following a successful bypass of the Vista Ultimate activation process, the operating system will remain active for 180 days. Coincidentally enough, 180 days is the time period that copies of Windows Vista activated via a KMS server deliver before having to contact the Key Management Service (KMS) server and reactivate. Additionally, there are reports that activating Windows Vista Ultimate edition via the Ultimate Crack will kill Media Center. The explanation is that, due to the changes applied to the tokens.dat file that is related to the version of Vista in use, Vista Ultimate is actually regressed in the activation circumvention process to Vista Enterprise. Download Windows Vista Crack
source: news.softpedia.com
Download Windows Vista Ultimate ActivationHalo: Combat Evolved - Games Cheats Hints & Trainer PC Easter Eggs pdfThe best Xbox has to offer Halo Combat Evolved is the PC version of the famous first person shooter that saw the light of day exclusively on the Xbox console. Through the entire life of Xbox, Halo and Halo 2 remained amongst the best games ever to be developed. This first game was so good that it managed to push the Xbox sells all by itself but on the PC platform, where all the players are much harsher critics and the competition is a lot closer, a place on the podium was harder to obtain. It came with a great science fiction story and a solid gameplay with very few bugs and the only problems were some memory leaks but they were later corrected through patches.
Halo Combat Evolved is relatively easy but there are some points where we could use some of the following cheats: Start the game with the -console -devmode command line parameter. Press ~ during game play to display the console window, and then enter one of the following codes to activate the corresponding cheat function. Toggle instant deaths for enemies that see player - cheat_medusa Set game speed - game_speed Clear console window - cls Toggle unlimited ammunition and no overheating for human weapons and plasma weapons - cheat_bottomless_clip Unlimited ammunition - cheat_infinite_ammo Super jumps - cheat_super_jump Possess touched character - cheat_bump_possession Invincibility - cheat_deathless_player Spawn Warthog - cheat_spawn_warthog Spawn all power-ups - cheat_all_powerups Spawn all vehicles - cheat_all_vehicles Spawn all weapons - cheat_all_weapons Teleport playerIntroduction To Stata 8.0This provides a brief introduction to using Stata 8.0 for the dataset analysis. Stata is available on all of the computers in the Kennedy School’s computer lab. If you have a home computer you may want to purchase a copy of Stata from the CMO. Stata is available for Windows98, Windows 2000, Windows ME, Windows XP, Windows NT, Macintosh, and UNIX operating systems. The Stata User’s Guide is also available from the CMO.
The commands outlined below assume that you are using Stata Release 8.0 for Windows. Throughout this text, anything appearing in Bold font is a Stata command, whereas anything in red italics is a variable name which you should change for your specific analysis. Menu commands are indicated as, e.g., File | Open, to indicate that you first go to the File menu and then choose the Open option. The Blue Courier is the type of output you should generate. As a shortcut, you can also just copy and paste any of the command lines here directly into your Stata Command window then run.
The windows can be moved about and re?sized to suit your preferences. If you do not see any of these on your version,Building Microsoft Windows Versions of R and R packages under Intel LinuxIt is simple to build R and R packages for Microsoft Windows from an ix86 Linux machine. This is very useful to package developers who are familiar with Unix tools and feel that widespread dissemination of their work is important. The resulting R binaries and binary library packages require only a minimal amount of work to install under Microsoft Windows. While testing is always important for quality assurance and control, we have found that the procedure usually results in reliable packages.
Instructions on cross-building come with the R source [1] in files such as INSTALL, readme.package, and Makefile under the directory src/gnuwin32/. However, it took us a substantial amount of time to get things worked out, and we thought it might be useful to share our experience by by presenting an explicit example. In this document, we intended to automate and illustrate steps for obtaining, installing, and using the cross-compilation tools. hoping that it might save people’s time.
These steps have been put into a Makefile, which accompanies this document, for automating the process. The Makefile is available from the contributed documentation area on Comprehensive R Archive Network (CRAN). The current version has been tested with R-2.1.0.
For the impatient and trusting, if a current version of Linux R is in the search path, then make CrossCompileBuild will run all Makefile targets described up to the section, Building R Packages and Bundles. This assumes: (1) you have the Makefile in a directory RCrossBuild (empty except for the makefile), and (2) that ./RCrossBuild isWire Rigging Cartoon Ribbon Models in MayaThe following process was used to create a custom rig to study the conformational morphs of the HIV gp120 receptor as it binds CD4. A cartoon model can first be generated in Pymol, VMD or Chimera, exported as VRML and then converted to OBJ for import into Maya.
1. Clean the model. Use the Polygon “extract faces” tool to separate all of the main parts into individual parts: Beta Arrows, strands, and Helices.
2. Merge the vertices of each new part and delete history. Also rename the parts now if required.
3. Draw curves on the surfaces. Make each surface “live” by clicking the icon that looks like a magnet while the object is selected. Only one object can be made live at a time. Place a CV at just about every ring in the strand tube to achieve a balanced deformation.
This will end up being your initial confirmation state curve.
4. Import the final confirmation state geometry. And make it live and perform the same task as above. However you don’t have to break it up or clean this geometry, it will be deleted.
5. You should have a beginning (yellow) curve for the initial confirmation state and a final (blue) curve for the final confirmation state. With almost the same number of CVs in them...
Download pdf Wire Rigging Cartoon Ribbon Models in Maya2007 Ford Escape (204) Owners Guide ManualThis 2007 Ford Escape (204) Owners Guide Manual contains: Warning lights and gauges can alert you to a vehicle condition that may become serious enough to cause expensive repairs. A warning light may illuminate when a problem exists with one of your vehicle’s functions. Many lights will illuminate when you start your vehicle to make sure the bulb works. If any light remains on after starting the vehicle, refer to the respective system warning light for additional information.
Service engine soon: The Service engine soon indicator light illuminates when the ignition is first turned to the ON position to check the bulb and to indicate whether the vehicle is ready for Inspection/Maintenance (I/M) testing. Normally, the Service engine soon light will stay on until the engine is cranked, then turn itself off if no malfunctions are present. However, if after 15 seconds the Service engine soon light blinks eight times, it means that the vehicle is not ready for I/M testing. See the Readiness for Inspection/Maintenance (I/M) testing in the Maintenance and Specifications chapter.
Download 2007 Escape (204) Owners Guide ManualAnalyzing IP Traffic Captured by NetsniffNetSniff is a multi-network-layered real-time traffic capture and analysis tool developed as part of the ICE 3 project being run out of the Center for Advanced Internet Architectures (CAIA). NetSniff uses the PCAP library [11] to capture network traffic on a network interface or from a tcpdump [11] formatted file and parses the captured traffic at multiple network layers to produce a detailed set of statistics. Logfileparser is a complementary tool creating a database and filling it with the data captured by NetSniff. This database file can then be queried to obtain relevant statistics and generate graphical results using the R [7] software.
This paper describes the procedures involved to install over a FreeBSD machine all software required to generate these results, as well as provide a brief tutorial in the usage of both lofileparser and R. The first section describes the installation and basic use of NetSniff. Section two outlines the installation of logfileparser and how to generate a database from the logfiles created by NetSniff, while Section 3 covers the installation and usage of R to generate graphical results.
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