klocwork static code analysis

following paste Monkey Help command printed out the help document, You can see which command line parameter options are supported by Monkey: Figure 5-4-1 Monkey Support Command options The "–port" option is to specify the ports that the monkey service needs to listen on, so that the client can connect to communicate with the monkey service.Here we begin to analyze the source code of the Monkey application, first of all we first go to th

of O (n^2), insertion sorting is better than fast sorting when there are fewer elements in the array, because recursive operations that quickly sort affect performance. + * IF (Len The test code is as follows:1 package com.test; 2 3 import com.util.ArraysPrimitive; 4 5 public class Arraystest {6 public static void Main (string[] args) { 7 int [] a={15,93,15,41,6,15,22,7,15,20}; 8 arra

Label:BuildThe tools used to build the application are collected here.Apache Maven:maven is built with claims and relies on management, preferring to build using conventions rather than configurations. MAVEN is superior to Apache Ant. The latter is configured in a process-based manner, so it is very difficult to maintain.The Gradle:gradle is built incrementally. Gradle is configured with groovy programming instead of traditional XML declarations. Gradle works well with Maven for dependency manag

take a look at the source code for the Property_init function (/system/core/init/property_service.c): void Property_init (void) { init_property_area (); } The Property_init function simply calls the Init_property_area method, and then we look at the concrete implementation of this method: static int property_area_inited = 0; static works

Python yield and implementation method code analysis, pythonyield Yield functions similar to return, but the difference is that it returns a generator. Generator A generator is a function composed of one or more yield expressions. Each generator is an iterator (but not necessarily a generator ). If a function contains the yield keyword, this function will become a generator. The generator does not return al

Source: http://blog.csdn.net/walkingman321/article/details/7218705 This article analyzes the implementation of the Bluetooth-to-serial port (SPP) Part in the Bluetooth protocol stack.1. Basic Concepts Bluez provides the Bluetooth-to-serial port function, and applications can use the serial interface to control the serial port function of bluez.1.1 start the SPP service and wait for remote device connection: Org. bluez. serialproxymanager-> createproxy // get a serial proxy Org. bluez. serialpro

{}}Here is the test class PackageTest.main.lang;/*** @Auther: Luanmihun * @Date: 2018/7/30 17:02 * @Description: Java.lang the method of the object in the test, the specific method, please refer to Java.lang.ObjectMethod*/ Public classObjectmethodtestImplementscloneable{ Public Static voidMain (string[] args)throwsException {objectmethodtest obj=Newobjectmethodtest (); //getclass () method testSystem.out.println ("GetClass () method test Result:" +Ob

to O (n).Sample Code (9) int Fibonacci (int n) { if (n AnalysisAlso, because only the first two calculations are actually useful, we can use intermediate variables to store them, so we don't have to create arrays to save space. The same algorithm is optimized for the complexity of O (n).Sample code (10)static int Fibonacci (int n) { if (n "

Python source code analysis Note 3-Python execution PrinciplePython source code analysis Note 3-Python execution Principle The book address: http://www.jianshu.com/p/03af86845c95 I have written several source code analysis note

first, the basic composition of the image file The image file loading time domain includes the RO and RW segments, while the runtime domain includes the RO, rw, and Zi three segments. Where the RO and RW segments contentIn load time and run timeis the same, but the storage space may be different, The zi segment is created by the initialization function at run time.RO segment: Read-only section, including the source program Code Segment， read-only data

plug-in logic analysis to this, the whole process is not difficult to understand, we can simply look at it.4. Implement a paging plugin In order to better introduce to you the plugin mechanism of MyBatis, I will write a paging plugin for MySQL. Talk is cheap. Show code. @Intercepts ({@Signature (type = Executor.class,//target class method = "Query",//target methods args = {mappedstatement.class, Object.cl

" class. IServiceProvider class IServiceProviderClass is a direct external interface in Microsoft's DependencyInjection. ServiceProvider directly implementsIServiceProviderIt also provides core functions for external users. ServiceProvider must be able to obtain injection classes and injection classes of different ranges according to different definitions. ServiceProvider uses different logic for different ranges (Transient, Scoped, and Singleton. Let's make a simple

maintaining the property service Initialize the Android property system and maintain the property service Handling child process Start, stop, restart The/UEVENTD is used to create device-driven nodes. /WATCHDOGD is the watchdog service process.Code Analysis and Analysis code yourselves grasp the backbone, understand its approximate structure and pro

tuning. We know that the Service life cycle starts from the onCreate method. Let's take a look at the IntentService # onCreate method.IntentService # onCreate Method public void onCreate() { // TODO: It would be nice to have an option to hold a partial wakelock // during processing, and to have a static startService(Context, Intent) // method that would launch the service hand off a wakelock. super.onCreate(); Han

What is the Android Message Pool?-source code analysis, androidpool In Android, the Android Message mechanism is usually used for communication between threads, and this mechanism is used for Message transmission. Generally, we use Message. obtain () and Handler. obtainMessage () to obtain the Message from the Message Pool, so as to avoid directly constructing the Message. So Will Android cause OOM becau

1. OverviewJquery is a very good JS library. Compared with many JS class libraries such as prototype, Yui, and mootools, it is a powerful tool, starting from the practical point of view of web development, aside from some other useless items in Lib, it provides developers with a short and concise class library. It is short, concise, easy to use, efficient in performance, and can greatly improve the development efficiency. It is one of the best auxiliary tools for developing web applications. The

. Compiling Wireshark Use the VS2008 installation of the VS2008 command prompt to enter or through CMD to enter, then run the VC under the Vcvars32.bat, or to drag vcvars32.bat to the Command window, and then enter the line. Then go in the Wireshark directory, first check by the following command: Nmake-f Makefile.nmake verify_tools Get the following information: I forgot the screenshot, this is copy other people's picture, but I like his basic, out of the above copyright information is Ch

);}setBackgroundResource(R.drawable.wheel_bg);} This method is initialized to call this method in the calculatelayoutwidth () method of row 532, And the getmaxtextlength () method of row 487 is also called. Row 471 gettextitem (INT index) obtains the text of the item through an index. This is the first part. There are not many interesting points. The key points are the content from the next 532 rows to the next 940 rows. Let's start with another article and start the

); High = h; cache = new Integer[(high-low) + 1]; int j = Low; for (int k = 0; k It is not hard to find that integers between 128 and 127 are placed in an array called cache the first time they are used (when the class is loaded). Of course, this size range can change the JVM's settings to change it. Also, an integer static method valueof (int i) uses the array. public