secure programming for linux and unix howto

... user and group ids (uids and gids) for each process and a filesystem with read, write, and execute permissions (for user, group, and other). See Thompson [1974] and Bach [1986] for general information ... like Unix. Therefore, Unix lessons learned generally apply to both, including information on security. Most of the information in this book applies to any Unix- like system. Linux- specific information ... to random input). 2.1.5. Comparing Linux and Unix This book uses the term Unix- like” to describe systems intentionally like Unix. In particular, the term Unix- like” includes all major Unix...

Ngày tải lên: 24/03/2014, 04:20

... systems, namely Microsoft Windows and Linux. It has also provided a small amount of infor- mation on the history of RS−232 as well as a design for a simple cross-platform serial port interface API. This ... program and the accuracy of the data. 3.3.1 Windows Reading and writing to a serial port in Windows is very simple and similar to reading and writing to a file. In fact, the functions used to read and ... specific appli- cation. 3.1.2 Linux Opening the serial port in Linux is performed in much the same way as it is in Windows, using the open() command. One caveat to Linux is that the user ID that...

Ngày tải lên: 05/11/2013, 20:15

... udio does. We br i e fly describe and provide use cases for the input and output of audio data,“transcoding” between formats, audio effects, playback and recording, and MIDI. www.it-ebooks.info ptg7913098 In ... understand Audio Queues, you’ll be a master of audio formats—almost. First you must complete your quest by learning to convert between formats and come to understand the relevance of canonical formats. Then ... quantity for bulk pur- chases or special sales, which may include electronic versions and/ or custom covers and content particular to your business, training goals, marketing focus, and branding...

Ngày tải lên: 15/03/2014, 16:20

...    Introduction to 64 Bit Intel Assembly Language Programming for Linux         ...

Ngày tải lên: 19/03/2014, 13:31

... formatting codes that are used with fscanf and fprintf. For the float data type the formatting code required for decimal format is %f and for the double data type the %lf formatting ... demonstrates these formatting codes in the input and output of float and double type variables using fscanf and fprintf. /* Program 1.3 - Reading and writing floats and doubles */ #include ... 10) 36 C programming for scientists and engineers 2.3 Relational and logical operators The C language uses relational operators to make comparisons between operands. The operands ...

Ngày tải lên: 19/03/2014, 14:13

... (http://www.katsbits.com) and David Radford (http://dmradford.com). flast.indd xxflast.indd xx 12/31/11 9:40:24 AM12/31/11 9:40:24 AM Game and Graphics Programming for iOS and Android® with OpenGL® ... book. P2P.WROX.COM For author and peer discussion, join the P2P forums at p2p.wrox.com. The forums are a Web-based system for you to post messages relating to Wrox books and related technologies and interact ... Chichester, West Sussex, PO19 8SQ, United Kingdom For details of our global editorial offi ces, for customer services and for information about how to apply for permission to reuse the copyright material...

Ngày tải lên: 22/03/2014, 13:36

... Chichester, West Sussex, PO19 8SQ, United Kingdom For details of our global editorial offi ces, for customer services and for information about how to apply for permission to reuse the copyright material ... 37c03.indd 37 12/31/11 9:01:06 AM12/31/11 9:01:06 AM www.it-ebooks.info Game and Graphics Programming for iOS and Android® with OpenGL® ES 2.0 This edition fi rst published 2012 Copyright ©2012 ... ixffirs.indd ix 1/11/12 8:21:02 AM1/11/12 8:21:02 AM www.it-ebooks.info Game and Graphics Programming for iOS and Android ® with OpenGL ® ES 2.0 ffirs.indd iiiffirs.indd iii 1/11/12 8:21:00...

Ngày tải lên: 29/03/2014, 22:20

... the statistics required for parsing and estimation are the kinds of quantities that dynamic programming algorithms for graphical models can perform. Since neither Maxwell and Ka- plan’s packed ... Francisco. Morgan Kaufmann. John Lafferty, Andrew McCallum, and Fernando Pereira. 2001. Conditional Random Fields: Probabilistic models for seg- menting and labeling sequence data. In Machine Learn- ing: ... dynamic programming algorithms for Probabilistic Context-Free Grammars (PCFGs); specifically the Viterbi algorithm for finding the most probable parse of a string, and the Inside- Outside algorithm for...

Ngày tải lên: 31/03/2014, 06:20

... use C# and Visual Studio tools to develop mobile applications running on Android and iOS. This will make cross-platform design easier and enable code reuse across these platforms. Mono-Android ... updates. SIDE-BY-SIDE COMPARISONS WITH ANDROID AND IPHONE Mobile developers coming from iOS and Android will be interested in the similarities and differences between WP7, iOS, and Android. The following sections ... Ericsson, responsible for overall device platform software architecture and key software differentiations on Android and Windows Phone. Before that, he was with Microsoft and Lucent Technologies....

Ngày tải lên: 05/05/2014, 12:42

... and switch- ing techniques, as well as technologies that are relevant for modern and future mul- ticore processors. The second part presents parallel programming models, performance models, and ... models, and parallel programming environments for message passing and shared memory models, including MPI, Pthreads, Java threads, and OpenMP. For each of these parallel programming environments, ... Performance models and techniques for runtime analysis are described in detail, as they are a prerequisite for achieving efficiency and high performance. The third part applies the programming techniques...

Ngày tải lên: 03/07/2014, 16:20

... and techniques. For a general course on parallel programming, Chaps. 2, 5, and 6 can be used. These chapters introduce programming techniques for both distributed and shared address spaces. For ... understand the relevant concepts and to avoid common programming errors that may lead to low perfor- mance or cause problems like deadlocks or race conditions. Programming examples and parallel programming ... techniques for selecting paths through networks and switching techniques for message forwarding over a given path. Section 2.7 considers memory hierarchies of sequential and parallel plat- forms and...

Ngày tải lên: 03/07/2014, 16:20

... 2.3 (a) for an illustration. 14 2 Parallel Computer Architecture Chaps. 3 and 5. To perform message-passing, two processes P A and P B on different nodes A and B issue corresponding send and receive ... are therefore also called NUMAs (non-uniform memory access), see Fig. 2.5. Since single SMP sys- tems have a uniform memory latency for all processors, they are also called UMAs (uniform memory ... non-uniform memory access, (c) CC-NUMA – cache-coherent NUMA, and (d) COMA – cache-only memory access more and more important to get good performance results at program level. This is also true for...

Ngày tải lên: 03/07/2014, 16:20

... be used for the transmission and the switching strategy which determines whether and how mes- sages are cut into pieces, how a routing path is assigned to a message, and how a message is forwarded ... this also increases the power density and heat production because of leakage current and power consumption, thus requiring an increased effort and more energy for cool- ing. Second, memory access ... cycles for a memory access. For example, in 1990 main memory access was between 6 and 8 cycles for a typical desktop computer system, whereas in 2006 memory access typically took between 100 and...

Ngày tải lên: 03/07/2014, 16:20

... implies that there is an edge between node α 0 α j α k−1 and node α 0 ¯α j α k−1 for 0 ≤ j ≤ k − 1 where ¯α j = 1for j = 0 and ¯α j = 0for j = 1. Thus, there is an edge between every pair of ... ,a d−1 ) and B = (b 0 , ,b d−1 ) are connected by an edge if there is a dimension j ∈{0, ,d −1} for which a j = (b j ±1) mod k and a i = b i for all other dimensions i = 0, ,d − 1, i = j.Fork = ... inserting a 0 and a 1 in front of RGC 1 , resulting in the two sequences (00, 01) and (10, 11). Reversing the second sequence and concatenation yields RGC 2 = (00, 01, 11, 10). • For k ≥ 2, the...

Ngày tải lên: 03/07/2014, 16:20

... description of XY routing for two-dimensional meshes and E-cube routing for hypercubes as typical examples for dimension-order routing algorithms. XY Routing for Two-Dimensional Meshes For a two-dimensional ... {n 1 , ,n k } exists such that for 1 ≤ i < k each message N i uses a link n i for transmission and waits for the release of link n i+1 which is currently used for the transmission of message ... i ∈{1, ,d} with |x i −y i |=1 and for all other dimensions j = i,itis x j = y j . Thus, for the corresponding hypercube nodes σ ((x 1 , ,x d )) = s 1 s 2 s d and σ ((y 1 , ,y d )) = t 1 t 2 ...

Ngày tải lên: 03/07/2014, 16:20

Ngày tải lên: 03/07/2014, 16:20

Ngày tải lên: 03/07/2014, 16:20

Ngày tải lên: 03/07/2014, 16:20

Ngày tải lên: 03/07/2014, 16:20

Ngày tải lên: 03/07/2014, 16:20