advanced c programming book pdf free download

... files: > mv Advanced_ PHP Advanced_ PHP.old > cvs -d /var/cvs checkout Advanced_ PHP cvs checkout: Updating Advanced_ PHP cvs checkout: Updating Advanced_ PHP/examples U Advanced_ PHP/examples/chapter-10/1.php U ... compiler caches for PHP: n The Zend Accelerator—A commercial, closed-source, for-cost compiler cache produced by Zend Industries n The ionCube Accelerator—A commercial, closed-source, but free compiler cache ... not much better. Here is the same code with an improved naming scheme: $cc_number = $_GET[‘cc_number’]; $cc_is_valid = CreditCard_IsValidCCNumber($cc_number); if($cc_is_valid) { // … } This code...

Ngày tải lên: 26/01/2014, 09:20

... original Netscape cookie specification (http://wp.netscape.com/newsref/std/cookie_spec.html). No programmer’s library is complete without a copy of Bruce Schneier’s Applied Cryptography, which is widely ... session stickiness can enhance cache locality, too many applications rely on session stickiness to function correctly, which is bad design. Relying on session stickiness exposes an application to ... the cache directory. Constantly scanning that directory can cause serious con- tention. Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. 331 Maintaining Authentication:...

Ngày tải lên: 26/01/2014, 09:20

... Compared The choice of which RPC protocol to implement—SOAP or XML-RPC—is often dictated by circumstance. If you are implementing a service that needs to interact with existing clients or servers, your choice ... using centralized caches is to have cache reads be completely independent of any central service and to have writes coordinate in a distributed fashion to invalidate all cache copies across the cluster. Please ... the Cache_File module developed in Chapter 10,“Data Component Caching,” you can extend this caching architecture seamlessly by creating an exportable directory /shares/ cache/www.foo.com on your NFS server...

Ngày tải lên: 26/01/2014, 09:20

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Ngày tải lên: 06/07/2014, 09:20

Ngày tải lên: 06/07/2014, 09:20

Ngày tải lên: 06/07/2014, 09:20

... object files and linking. For example, consider this code: % gcc -pg -c -o calculator.o calculator .c % gcc -pg -c -o stack.o stack .c % gcc -pg -c -o number.o number .c % gcc -pg calculator.o stack.o ... -lccmalloc -ldl to your link command, for instance. % gcc -g -Wall -pedantic malloc-use.o -o ccmalloc-use -lccmalloc –ldl Execute the program to produce a report. For example, running our malloc-use ... our calculator program, which is produced by executing gprof ./calculator: Flat profile: Each sample counts as 0.01 seconds. % cumulative self self total time seconds seconds calls ms/call ms/call...

Ngày tải lên: 21/01/2014, 07:20

... kill command. SIGCHLD Linux sends a process this signal when a child process exits. See Section 3.4.4,“Cleaning Up Children Asynchronously,” in Chapter 3,“Processes.” SIGXCPU Linux sends a process ... pointer” can cause a SIGSEGV. SIGPIPE The program has attempted to access a broken data stream, such as a socket connection that has been closed by the other party. SIGALRM The alarm system call schedules ... illegal instruction.This could indicate that the program’s stack is corrupted. SIGABRT The abort function causes the process to receive this signal. SIGFPE The process has executed an invalid floating-point...

Ngày tải lên: 21/01/2014, 07:20

... Makefile contains: reciprocal: main.o reciprocal.o g++ $(CFLAGS) -o reciprocal main.o reciprocal.o main.o: main .c reciprocal.hpp gcc $(CFLAGS) -c main .c reciprocal.o: reciprocal.cpp reciprocal.hpp g++ ... (“The reciprocal of %d is %g\n”, i, reciprocal (i)); return 0; } Listing 1.2 (reciprocal.cpp) C+ + source file—reciprocal.cpp #include <cassert> #include “reciprocal.hpp” double reciprocal (int ... source code into machine-readable object code that can actually run.The compilers of choice on Linux systems are all part of the GNU Compiler Collection, usually known as GCC. 3 GCC also include compilers...

Ngày tải lên: 21/01/2014, 07:20

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Ngày tải lên: 24/01/2014, 08:20

... SIGCHLD by calling clean_up_child_process. */ struct sigaction sigchld_action; memset (&sigchld_action, 0, sizeof (sigchld_action)); sigchld_action.sa_handler = &clean_up_child_process; sigaction ... exit code is displayed after each invocation. In the first case, ls executes correctly and returns the exit code zero. In the second case, ls encounters an error (because the filename specified ... exited, and you can choose whether you care about which child process terminated. 3.4.2 The wait System Calls The simplest such function is called simply wait. It blocks the calling process until...

Ngày tải lên: 26/01/2014, 07:20

... program includes the function get_cpu_clock_speed that reads from /proc/cpuinfo into memory and extracts the first CPU’s clock speed. Listing 7.1 (clock-speed .c) Extract CPU Clock Speed from /proc/cpuinfo #include ... N491 Type: Direct-Access ANSI SCSI revision: 02 This computer contains one single-channel SCSI controller (designated “scsi0”), to which two Quantum disk drives are connected, with SCSI device IDs 0 ... /proc file system includes information about devices connected to both IDE controllers and SCSI controllers (if the system includes them). On typical systems, the /proc/ide subdirectory may contain...

Ngày tải lên: 26/01/2014, 07:20