backtrace

A few days ago, the leaders arranged a small project to solve the problem: In Linux, the process may crash due to various reasons. at this time, we need to find the source code of the problem in the specific row number of a file, in this way,

PHP version of the photos by the date of classification collation source PHP version of the photos by the date of classification collation source Categorize by year-month table of contents Skipping duplicate files Separate

In Android development, the program crash in three scenarios: Uncaught exception, ANR (application not responding), and flashback (Ndk throws an error). an uncaught exception in which the stack information printed according to Logcat is easy to

These two days just in the rush algorithm design of the job, here to do a few need to write code to put up the problem, convenient to view later.1. Topic Requirements2. Algorithmic thinkingThe basic idea of this topic is to use backtracking, for M

Optimizeit Profiler Overview This article introduces some of the main features of Optimizeit Profiler to make you have a brief understanding of it. For more information, check the Optimizeit Profiler user's manual. You can click the

 whether in the process of development or operation, debugging to ensure the normal operation of the most basic means, familiar with these debugging methods, so that we quickly locate the problem of the program, improve development efficiency. a

http://www.wuzesheng.com/?p=1327 teaches you to play the GDB (a)--kind: Start gdb start debuggingWritten in the first: GDB is a UNIX-related operating system in C/D program Development is an indispensable tool, its powerful, is not comparable to

To see if the system allows core files to be generated #ulimit-A Core file size (blocks,-c) 0 Core file size limit is 0 and core file cannot be generatedUse the following command to cancel the restriction so that the system can

turn from here Error Reason: Set the app's status bar style using the old way, in Info.plist set the view controller-based status bar appearance is no, the default is yes, The general type of iOS6 use this way, ios7,8 is also compatible, but to the

When you get an error message such as segmentation fault, it jumps out without reservation. It is very painful to encounter such a problem. It is no less difficult to find the problem than you have worked hard to write the code for more than N days.

Linux memory error causes and debugging methods-general Linux technology-Linux programming and kernel information. The following is a detailed description. A block error occurs when you access the wrong memory segment. Generally, you do not have the

1. variable function name. you can use a string to concatenate the function name functionaa ($ str) {echo $ str;} 1. variable function name. you can use a string to concatenate the function name. Function aa ($ str ){Echo $ str ;}$ function = "aa"

Mysqldump (actually caused by mysqldcrash) On MySQL 5.0.16, mysqldump is used to export data. mysqldump does not respond for half a day. The operating system is RHEL4.0. View Logs * ** Glibc detected ** free (): invalid pointer: 0xb17d60b0

Java Exception ArchitectureThorwable class for all exceptions and errors, there are two subclasses of error and exception, respectively, representing errors and exceptions.Where the exception class Exception is divided into runtime exceptions

iOS development, often encountered in the development and testing of the app will not be a problem, but installed in other people's devices will be a variety of occasional inexplicable crash, because the iOS device will save most of the app's crash

The php-fpm slow log slowlog setting allows us to see which php processes are too slow to cause website problems.We can easily find the problem. The code is as follows:Copy code Vi/data1/server/php-cgi/etc/php-fpm.conf ; The log file for slow

Lab 1 part 3:the kernelNow we will start to discuss the Jos kernel in detail. Just like boot loader, the kernel begins with some assembly statements that set things up to ensure that the C-language program executes correctly.Using virtual memoryWhen

Reprint: http://blog.sina.com.cn/s/blog_4ca83f830100xded.html Believe that a lot of people are xenserver log filled with disk space, causing the problem of the final machine hangs, I met 2 times (once the pool master hung off, No. 200 people 1

/* Backtracking to solve symbolic triangle problems Problem Description: As a symbolic triangle consisting of 14 "+" and 14 "-", 2 are "+" under the same number, and 2 are "-" below. - + + - + + + - + - - + + - - + - + + - - - - + +

Some of the less common features of PHP 1. variable function name. you can concatenate the function name functionaa ($ str) {echo $ str;} $ function = "aa"; $ function ('Hello '); // or php features that are not commonly used 1. variable function