pmd static code analysis

function Globaleval (src) { if (window.execscript) { window.execscript (src); return ; } var function () { window.eval.call (WINDOW,SRC); }; fn ();};You can say this is enough, but looking back at our jquery source will find a lot leaner.Data rnotwhite.test (data)This condition guarantees data and is not a space, of course, you can not pass the string but it doesn't make sense. Rnotwhite is defined in the constructor// Check If a string has a non-whitespa

recently discovered a very useful static code analysis tool, Pvs-studio, developed by a Russian company to diagnose errors in C/c++/c++11 source code. It is compatible with the visual Studio development environment and the latest version supports visual Studio2015. After the Pvs-studio is installed, Pvs-studio will app

"To the programmer on the road."For a developer, the ability to develop any module in a system is the embodiment of its core value.For an architect, mastering the advantages of various languages and applying them to the system simplifies the development of the system and is the first step in its architectural career.For a development team, in the short term to develop a user satisfaction of the software system is the core competitiveness of the embodiment.Every programmer can not be complacent,

XML value to undefinedIn browsers other than IE, if parsing fails, the method parsefromstring () does not throw any exceptions and only returns a Document object that contains the error message, as follows:xmlns= "http./www.mozilla.org/newlayout/xml/parsererror.xml"> (Error description) SourceText > (a snippet of the source XML) SourceText > ParserError >Based on the following, we use a few judgment conditions to verify the success of the analysisif (!xml | |!xml.documentelement | | xml.gete

1. Press Turn clangsudo apt-get install Clang2. Write the test procedure MEMLEAK.C#include 3. Run code static checkScan-build-o memleak gcc memleak.c-o mThe results are as follows:Memleak.c:9:5:warning:dereference of NULL pointer (loaded from variable ' mem ')*mem=0xdeadbeaf;^~~~1 warning generated.Scan-build:1 Bugs found.4. In the current directory will survive a Memleak folder, a folder named after a date

, grammar analysis, semantic analysis ... But unlike compilers, they can customize a variety of complex rules to analyze the code.Static Detection tools:Pmd 1) PMD is a code-checking tool that analyzes Java source code to identify potential problems: 1) P

Static keyword memory analysis and static keyword Analysis Generally, Java divides memory into stack memory, heap memory, and method areas. stack memory is used to store some basic types of variables and arrays (arrays are also a reference type) and object reference variables, and the heap memory is mainly used to plac

Js object-oriented static method and static property instance analysis, js instance analysis This article describes the js object-oriented static methods and static attributes. Share it with you for your reference. The specific

() {System. out. println ("parent constructor") ;}} public class Child extends Parent {static String childName = "hello"; static {System. out. println ("child static block");} public Child () {System. out. println ("child constructor");} {System. out. println ("child block");} public static void main (String [] args)

{System. out. println ("parent static block");} public Parent () {System. out. println ("parent constructor") ;}} class Child extends Parent {static String childName = "hello"; {System. out. println ("child block");} static {System. out. println ("child static block");} public Child () {System. out. println ("child co

functions, the code is as follows:Copy the Code code as follows: function Test (){static $count = 0;$count + +;Echo $count;if ($count Test ();}$count--;}?>Note: A static variable can be declared in the example above, and if it is assigned a value in the declaration with the

Analysis of the difference between static class and static variable usage in PHP Static is the definition of a static object or a static variable, and what are the characteristics of a variable or class method that is defined by

This article mainly introduces C # static and non-static methods, focuses on the practical application of static methods, and helps to further deepen the understanding of C # program design, you can refer to the examples in this article to analyze the C # static and non-static