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Java list source code analysis, list source code analysis
Three Data Structure linked lists, trees, and graphs. As one of them, the sequence table is the longest used in programming. The List interface is the implementation of sequence tables in java. It has many subinterfaces and implementation classes, which are very
YII source code analysis (-) and yii source code analysis
As the first show of source code analysis, I chose yii (reading as an example, not as an example). I won't say much about its praise, but I will go straight into the topic.
1. Introduction of toolsInfer is a static program analysis tool that can be used to analyze Java, C, and objective-c programs, which are written in OCaml.Infer was first deployed on Facebook to analyze each line of code before it was released for mobile apps, and now Facebook uses this tool to analyze the Android, IOS apps that are being developed, including Face
What is BEAM?
A statement about the abbreviation BEAM
In the purpose of brevity, this article uses the abbreviation-beam of the tool name, which is simply the acronym for the tool's "Checking Tool for Bugs Errors and mistakes", rather than the name of the tool.
IBM Checking Tool for Bugs Errors and mistakes (with its initials BEAM later in this article) is a static analysis tool developed by IBM that can
Before formally entering the test, it is helpful to do some static code analysis and code review to improve the quality and the system, the above is the data proofPMD It is a Java source code parser based on a static rule set that
0x00 PrefaceThe static disassembly King, without a doubt, IDA Pro, greatly reduces the threshold for disassembly, especially the excellent "F5 plug-in" Hex-rays can restore the assembly code to a C-like pseudo code, greatly improving readability. But personally feel that "F5 plug-in" can only be used as an auxiliary means, after the combination of dynamic debuggi
Static scanStatic Analysis1, can be in the coding phase, the development of self-code inspection. Early detection of code pitfalls.2, directly analyze the source code to find errors in the program, without the need to actually run.3. Automatic detection of bugs in objective-c programs, memory leaks and other problems.4
The concept of static analysis has been put forward for years, and the technology used to evaluate and diagnose code has matured over the past few years. Software review tools exist in almost every language. These reviews can isolate undesirable code in areas such as arrays, loops, coding styles, design, copying
Objective:PMD is a static code analysis tool that can automatically detect various potential defects as well as unsafe or non-optimized code.PMD is more focused on pre-detection flaws, and it provides a highly configurable rich set of rules that users can easily configure to treat specific projects using those rules.Installation and use:1. How to install the PMD
Volley is simple to learn and use 5-source code analysis 3-volley source code analysis
I. Volley workflow:
Ii. NetworkNetwork requests to be processed in NetworkDispatcher are processed as follows:
NetworkResponse networkResponse = mNetwork.performRequest(request);Let's take a look at mNetwork definition: (define
= list of files that are not checked--disable= Close some kind of check-F Report type, such as HTMLCode Static Analysis Tool
Checkstyle: through code coding format, naming convention, Javadoc, class design and so on, the specification and style of inspection.
FindBugs: by examining a class file or jar file, the bytecode is compared to a set of
./callgrind.out.22737 --root=main | dot -Tsvg -o fib-callgrind-main.svg
It must be noted that, apart fromgprof2dot,kcachegrindIt can also be used to displayValgrind's callgrindData:
$ sudo apt-get install kcachegrind$ kcachegrind ./callgrind.out.22737
PassFile --> Export GraphYou can export call graphs. Only a graphical tool, a command line, andkcachegrindYou cannot display all branches at a time, but you can flexibly view them one by one.Summary
The above shows the actual execution path of th
red/black tree is better than that of the AVL Tree. Of course, the AVL tree may be more efficient in query, but it is actually not much higher.
The insert/delete operation of the red/black tree is simple, that is, the insert/delete operation of the binary sorting tree. The red and black trees are considered abnormal because they are inserted and deleted to adjust the red and black trees (rotation and coloring). There are many situations, due to the limited length and familiarity of bloggers, we
Static Code checking tool FindBugs
why and how to use FindBugsThe static analysis tool promises to find bugs that are already in the code without the hassle of a developer. Of course, if you have many years of experience in writing, you will know that these commitments are n
field .html can jump to the test. php regex matching field stored in virtual memory matching $1
3. mod_rewrite rule modifier 1) R forces external redirection2) F disables the URL and returns the 403HTTP status code.3) if G forces the URL to be GONE, the response HTTP status code is returned.4) P enforces proxy forwarding.5) L indicates that the current rule is the last rule, and the rule is overwritten aft
HMaster startup code analysis for source code analysis of HBase1.0.0 (2), hbase1.0.0hmaster
In the previous blog, my code analysis is the startup function of the startMaster core. This article mainly analyzes the corresponding com
installation.Second, the project practice:1, the project root directory to create sonar-project.properties, configured as follows:The parameters are specific to your own project, language settings.2, cmd switch to the project root directory, input Sonar-scanner run can:3, after the end of the run, to Http://localhost:9000/view the test results, according to the test results to find problems in the code, analysis
HMaster startup code analysis for source code analysis of HBase1.0.0 (1), hbase1.0.0hmaster
This article is not really about startup code parsing. This article mainly analyzes the startHMaster part from the startup process. This article will introduce HBase's pseudo-distribu
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