pcap analysis

P1165 log analysis and p1165 Log AnalysisDescription M Marine company recently wants to collect statistics on the import and export of goods in its warehouse. Currently, the only record they have is a log that records the inbound and outbound container information. This log records two types of operations: the first type of operation is the container warehouse receiving operation, and the container weight of the warehouse receiving; the second type is

Analysis and production of game plug-ins and Analysis of game plug-ins This chapter aims to explain the implementation principles of plug-ins and does not go deep into the code layer. I hope that I can communicate with more friends who are interested in this aspect. After all, the theory is dead and the routines are fixed. Only the experience in cracking is time-consuming and painstaking efforts. For stan

Case Analysis of Ajax requests and filters, and case analysis of ajax Case Introduction Now there is a problem: when a large text comment is submitted, the foreground receives the data and sends an ajax request to the background. Then there is a Filter in the background to prevent SQL injection, after the Filter obtains the data transmitted from the front-end, it checks validity. If no verification is succe

Example Analysis of Symfony2 function usage and symfony2 instance analysis This example describes the usage of the Symfony2 function. We will share this with you for your reference. The details are as follows: 1. Call methods of other objects. Example: $ Grobal_func = $ this-> container-> get ('Global _ func '); // name of the 'Global _ func' function $ lot_data = $ global_func-> getDataFromFile ($ parm1);

Analysis of php functions and passing parameter instances, and analysis of php function instances. Php function and transfer parameter instance analysis, php function instance analysis this article describes the function call and function definition syntax, this article also explains how to analyze the variables in the

Jmap, jhat analysis memory, jmapjhat Analysis AnalysisJAVA Application memory usage,JmapIs a very practical lightweight tool. You can use jmap to view the heap space overview and get a rough grasp of the heap usage. You can also generateHeapdumpFile, and then use jhat to analyze the objects and data in the content through the web browser. Jmap is a built-in JDK tool that is very small and convenient. Its s

In the previous section, we have analyzed how proxyfactorybean is going to generate a proxy for a target object, and this section will discuss the source code of the core callback method invoke based on the JDK dynamic agent:First open the Jdkdynamicaopproxy.java as followsThe Jdkdynamicaopproxy.java file is a 2 interface that implements the Aopproxy and InvocationhandlerFirst of all, Aopproxy this interface, the Aopproxy interface defines 2 methodsLet's look at the inheritance of this interface

PHP Calculation Date Difference days instance analysis, days instance analysis This paper analyzes the method of calculating the date difference between days in PHP. Share to everyone for your reference, as follows: $date_1=date ("y-m-d"), $Date _2= "2018-09-09", $d 1=strtotime ($Date _1), $d 2=strtotime ($Date _2); $Days =round (($d 2-$d 1)/3600/24); Echo "still has" today to September 9, 2018. $Days. "

PHP Code Maintenance, refactoring 4 reasons for difficulty analysis, 4 kinds of cause analysis This paper analyzes the 4 reasons why PHP code maintenance and refactoring becomes difficult. Share to everyone for your reference, as follows: Code maintenance, refactoring is a very unpleasant thing. The following scenarios make it difficult to maintain and refactor code. 1. At the beginning of the project, we

PHP Message Queuing Usage example analysis, PHP queue instance analysis The example in this article describes the PHP Message Queuing usage. Share to everyone for your reference, as follows: This message queue is used under Linux for process communication #根据路径和后缀创建一个id $key = Ftok (__dir__, ' R '); #获取队列中的消息 $q = Msg_get_queue ($key); #删除队列msg_remove_queue ($q); #获取队列的状态信息 $ Status = Msg_stat_queue ($q);p