I believe that every SEO webmaster know that we in the process of optimizing the site in addition to their own site to make detailed planning work, more often we still need to understand the opponent site optimization methods, Because only in our analysis of the enemy site optimization of the situation to determine whether their optimization method is more conducive to search engine rankings, we can optimize the site throughout the process to make a good guide, but how to do? Today I will
Use reveal to analyze someone else's apppreparatory work1) Jailbroken device, and has installed a useful tool such as openssh,mobilesubstrate (Cydia source installation)2) The reveal is installed locallyOperation Steps1) Copy the framework and dylib to the jailbreak machineScp-r/applications/reveal.app/contents/sharedsupport/ios-libraries/reveal.framework [Email protected]:/System/ Library/frameworksscp/applications/reveal.app/contents/sharedsupport/i
Use assembly to analyze the Memory Distribution of c code
Use disassembly on the arm platform to analyze the c Memory Distribution: arm: Use the arm-linux-objdump command to decompile the compiled elf File. and then redirect to tmp. s file. the first variable is as follows: c file. vim tmp. c # include
# Define VAR 0 xFFint a = 0; static int B = 0; int c = 10; static int d = 20; const int finalone = 10
Use Wireshark to analyze ICMP Packets
ICMP protocol Introduction
1. ICMP is the abbreviation of "Internet Control Message Protocol" (Internet Control Message Protocol. It is a sub-Protocol of the TCP/IP protocol family. It is used to transmit control messages between IP hosts and routers. A message control refers to a message of the network itself, such as network connectivity, host accessibility, and routing availability. Although these control messa
What we will introduce to you today is the correct use of the DB2 dart tool to understand the DB2 data storage method, the following is a detailed description of the main content of the article on how to use the DB2 dart tool to understand the DB2 data storage method. I hope you will have a better understanding of it after browsing it.
In this article, we will use the DB2dart tool to understand how DB2 data is stored, especially how DB2 data is stored on every page.
Introduction
Data Tables in
SQLServerProfiler is used to monitor and analyze deadlocks in two or more SQLServer processes. When a process locks the resources that other processes attempt to lock, a deadlock occurs. For example, the process process1 holds one exclusive lock (X) for table1, and process1 requests one exclusive lock (X) for table2. The process process2 holds one row for table2.
Use SQL Server Profiler to monitor and analyze
Hard Canton: "iOS Performance Tuning Series" The third, continuously updated, welcome attention.iOS Performance Tuning series: Analyze static analysis describes how to find iOS memory leaks using the static analysis method, iOS Performance Tuning series: Dynamic analysis of memory leaks using instruments Explains the dynamic analysis of memory leaks using the instruments leaks tool.These two articles are all focused on memory leaks and are the first a
Use reveal to analyze someone else's apppreparatory work1) Jailbroken device, and has installed a useful tool such as openssh,mobilesubstrate (Cydia source installation)2) The reveal is installed locallyOperation Steps1) Copy the framework and dylib to the jailbreak machineScp-r/applications/reveal.app/contents/sharedsupport/ios-libraries/reveal.framework [Email protected]:/System/ Library/frameworksscp/applications/reveal.app/contents/sharedsupport/i
Analyze the Architecture concept of surging and the architecture of surging1Preface
The first section describes a simple example of using the. net core microservice architecture to communicate between the application surging server and the client, as well as a brief introduction to the surging service framework. In this article, we will analyze the architecture of surging.
Download surging source code2. Co
We analyzed the table just now. We can see that there are two options, performance and Document Manager, under the menu analysis option. The two options are described below. Click the analysis item in the tool menu and select the performance command. Now we start to analyze the performance of the entire database. For ease of use, we often choose all
We analyzed the table just now. We can see that there are two options, performance and Document Manager
today to demonstrate a web system, in the course of the demonstration, the system suddenly reported 500 errors, logging on to the server found that the CPU occupancy rate to 103%, immediately kill the process and then restart, to complete the demonstration process. After the demo is over, Immediately start a memory leak related work to ensure that this emergency does not occur next time. Jprofiler is a good memory detection software. development system IDE with MyEclipse 2014, in my blog before
Source:https://msdn.microsoft.com/zh-cn/magazine/dn973013 (en-us). aspxMany developers spend most of their time getting application talent to function properly. Focus on the performance of your application in less time.Despite having a very long time analyzing tools in Visual Studio, they are a separate set of learning tools. Many developers do not take the time to learn and use them when there are performance issues.This article describes the new diagnostic tools debugger form for Visual Studio
Today, I stumbled across Www.xhprof.com's ability to analyze PHP code remotely, with the following general steps1. Enter www.xhprof.com, click on the upper right corner to register and login, the left side of the site explains how to install the test xhprof, I use the right chart mode, so that can save the local build steps.2. Install the xhprof extension locally, this is the same as the normal extension wget http://pecl.php.net/get/xhprof-0.9.3.tgz
Many people like to intrude into Win2000, and there are also interface-based remote control such as 3389, so many vulnerabilities can be exploited, and articles about intruding Win2000 are everywhere, convenient. However, do you know what footprint you have left in the system? I recently made an intrusion analysis and found a lot of things. Of course, it is estimated that the intrusion time will be listed in the search file.
Here, we will not analyze
How to analyze the K-line chart
K-line charts are based in Japan. At that time, M-market traders recorded the market and price fluctuations of M-market. After that, they were introduced to the stock market and futures market due to their delicate and unique logo-painting methods. Currently, this type of chart analysis method is particularly popular in China and across Southeast Asia. The chart drawn in this way is like a candle, and the candle has bl
Website access records
Sitespeed 1.0 for Win9x/NT trialware 510,295You can automatically access your specified website multiple times to obtain the access speed report.
Statistics Server 5.0 For WinNT shareware 754,408The website access status server can tell you who is on your site, where they are from, what they are doing, and generate reports on relevant information.
Weblog manager 1.0.53 for Win9x/NT shareware 3,485,618Create your own website access tracking system to record the visitor's
problems:
Insufficient memory
Memory limit exceeded
Memory leakage detection
Java. Lang. outofmemoryerror
System. outofmemoryexception
Memwatch: leak: ended heapdiff
GC and statistical data
3. deadlock and thread Problems
Deadlocks may occur in many cases and have a bad impact on the system. When a deadlock occurs, it will not stop your system completely but slow down. In short, a deadlock occurs when two competing processes wait for the other party to complete
possible things more intuitive and clear. By evaluating the prototype, the user can help the project participants better understand each other's problems. Be sure to find out all the conflicts between the requirement document and the prototype.3) analyze the feasibility of each requirement, analyze the feasibility of implementation of each requirement with the cost and performance requirements, and clarify
Microsoft released an open-source windbg plug-in msec. dll in the latest CANSEC west to intelligently analyze whether program vulnerabilities can be exploited by hackers. You can go to the msec open source project home page: http://msecdbg.codeplex.com/download this plug-in. Decompress the package and place msec. dll in the winext subdirectory of the windbg installation directory.
After windbg is started, use it! Load msec to load the plug-in. You ca
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.