Given Perl s natural fit for web applications development, it s no surprise that Perl is also a natural choice for web services development. It s the most popular web programming language, with strong implementations of both SOAP and XML-RPC, the leading ways to distribute applications using web services. But books on web services focus on writing these applications in Java or Visual Basic, leaving Perl programmers with few resources to get them started. "Programming Web Services with Perl" changes that, bringing Perl users all the information they need to create web services using their favorite language.
In this article, I will explain how to create UDP packets and then send them to a remote server through the Internet using WinPCap for Windows. The code has been tested to work with Windows XP SP2 and Vista SP1 on Linksys routers, and on Toshiba modems connected directly to the Internet. Please note that the code here is very minimalistic, and can be greatly expanded depending on your needs. The reason I use WinPCap in this article is that it solves the issue of Winsock for Windows (XP SP2 and above) not allowing raw UDP packets to be sent (in Linux, you can just use regular sockets). With WinPcap, it is possible to specify your own source IP and source hardware addresses in packets.
Objectives
The purpose of this notebook is to give you a brief introduction to the
DiscreteWavelets Toolbox and show you how to use it to load
images. Some basic image manipulation is illustrated as well. You will
also learn how to use measures and tools such as cumulative energy,
entropy, PSNR, and Huffman coding.
Help on the DiscreteWavelets Toolbox
Help for the toolbox is available by clicking on Help and then Product
Help (or press F1) and then clicking on the DiscreteWavelets Toolbox.
Several demos and examples are available as well by clicking on the Demos
tab on the Help menu.
Image Basics
The DiscreteWavelets Toolbox comes with 18 grayscale images and 9 color
images for you to use. There are three functions available to tell you more about these images.
The first function is called |ImageList|. This function can tell you the
names and sizes of the digital images in the Toolbox.
The BTS5016SDA is a one channel high-side power switch in PG-TO252-5-11 package providing embedded
protective functions.
The power transistor is built by a N-channel vertical power MOSFET with charge pump. The design is based on
Smart SIPMOS chip on chip technology.
The BTS5016SDA has a current controlled input and offers a diagnostic feedback with load current sense and a
defined fault signal in case of overload operation, overtemperature shutdown and/or short circuit shutdown.
Two important microwave remote sensors are the radar and the radiometer.
There have been a number of books written on various aspects of radar, but
there have been only a few written on microwave radiometers, especially on sub-
jects of how to design and build radiometer systems. This book, which is the
second edition of a book originally published in 1989, attempts to fill this void.
Indian urbanization is a complex puzzle which is extremely difficult to comprehend.
Yet, as academicians, it is our responsibility to study, comprehend, analyse, assimi-
late, and express on salient happenings in our urban systems. The expressions aim
at the larger sections of the society to disseminate technical evaluation in a compre-
hensible note. This edition focuses on awaking the society on the contextual reality
of urban India and also enabling policymakers with the situational understanding of
Indian cities.
Two important microwave remote sensors are the radar and the radiometer.
There have been a number of books written on various aspects of radar, but
there have been only a few written on microwave radiometers, especially on sub-
jects of how to design and build radiometer systems. This book, which is the
second edition of a book originally published in 1989, attempts to fill this void.
See Appendix B for a description of the programs included
on this companion disk. RESOURCE.WRI identifies other books
and resources for Internet programming. WEBHELP.HLP contains
an introduction to the World Wide Web. TCPMAN.HLP provides
detailed instructions to help you use the Trumpet Winsock
included on this disk. Use the Program Manager s File menu
Run option to execute the SETUP.EXE program found on this
disk. SETUP.EXE will install the programs on your hard drive
and create an Internet Programming group window.
Internet編程技術 [配套程序]
[涉及平臺] VC
[作者] void
[文件大小] 1032K
Bing is a point-to-point bandwidth measurement tool (hence the b ), based on ping. Bing determines the real (raw, as opposed to available or average) throughput on a link by measuring ICMP echo requests roundtrip times for different packet sizes for each end of the link
