mvc request life cycle

of the method above.-(void) Applicationwillterminate: (uiapplication *) applicationWhen the program is about to exit is called, it is usually used to save the data and some cleanup work before exiting. This needs to set the key value of the uiapplicationexitsonsuspend.-(void) applicationdidfinishlaunching: (uiapplication*) applicationExecutes when the program is loadedType NSLog print in the method that corresponds to the above 8 methods.Now start the program to see the order of execution:Start

determine the order in which the threads are redeployed.Java thread priority is an integer, the value range is: 1 (thread.min_priority)-Ten (Thread.max_priority)By default, each thread will be assigned a priority of norm_priority (5).A thread with a higher priority is more important to the program, and the processor resources should be allocated before a low-priority thread. However, thread precedence does not guarantee the order in which threads are executed, and is very dependent on the platf

Life cycle of iOS:When the app starts running, it goes into the green section, and the app is already running, but the UI isn't showing up on the screen. Your controller is then displayed on the screen and you are in this active state most of the time the program is running.When the user clicks on another app, the current app is ready to go backstage.Running in the background is very short, and then your co

right-click on a link and select Open in New window in the popup shortcut menu, the child window can access the session of the parent window.What if the client browser disables the cookie feature or does not support cookies? For example, most mobile browsers do not support cookies. The Java Web provides another solution: URL-Address rewriting.URL address Rewriting is a solution that does not support cookies for clients. The principle of URL address rewriting is to rewrite the ID information of

window. For example, when you right-click on a link and select Open in New window in the popup shortcut menu, the child window can access the session of the parent window. What if the client browser disables the cookie feature or does not support cookies? For example, most mobile browsers do not support cookies. The Java Web provides another solution: URL-Address rewriting. URL Address Rewriting is a solution that does not support cookies for clients. The principle of URL address rewriting is t

you right-click on a link and select Open in New window in the popup shortcut menu, the child window can access the session of the parent window.What if the client browser disables the cookie feature or does not support cookies? For example, most mobile browsers do not support cookies. The Java Web provides another solution: URL-Address rewriting. URL address Rewriting is a solution that does not support cookies for clients. The principle of URL address rewriting is to rewrite the ID informati

request. When the servlet container receives a client request, the service () method of the servlet is called to process the request client request. The servlet instance obtains the client's request through the ServletRequest object and sets the response information by invo

Within a bean's configuration you can specify a property scope, which is the bean's scope, the bean's life cycle.Scope desirable values 5 kinds: Singleton ( default ), prototype, request, session, global sessionAmong the most commonly used are: Singleton and prototype, and the other three are web-related and rarely used.Singleton: This is the singleton mode. Indicates that the bean is a singleton pattern, a

[]) { @autoreleasepool { return Class]));} }// If Nil is specified for Principalclassname, the value of Nsprincipalclass from the info.plist is used. If there is no// nsprincipalclass key specified, the UIApplication class is used. The delegate class would be instantiated using init. int uiapplicationmain (intchar *argv[], nsstring *principalclassname, NSString * Delegateclassname);ARGC and argv are meant to be consistent with the C language, which is useless in this, not detaile

other object variables for processing by other means. Most of the events can be distributed in your app, similar to touch events, remote manipulation events (line headphones, etc.) are handled by the app's responder objects object. Responder objects is everywhere in your app, such as: UIApplication object, view object, view Controller object, all Resopnder objects. The target of most events specifies Resopnder object, but events can also be passed to other objects. For example, if the view obje

which case the thread will save the state of the local method stack and go to another Java stack.Depicts a scenario where a local method calls back another Java method in a virtual machine when a thread invokes a local method. This image shows a panorama of the threads running inside the Java Virtual machine. A thread may execute a Java method throughout its lifecycle, manipulate its Java stack, or it may jump between the Java stack and the local method stack without hindrance.The thread first

2015-08-19 15:05:30 WednesdayA very good essay.PHP Kernel ExplorationSummarize1. Module Initialization MinitEach PHP module/extension initializes internal variables and tells PHP where the function body is (to register its own function with PHP) when calling its own function.2. Request initialization of RinitInitialize session, global variable ... And so on only some variable settings for the current requestZend Engine converts PHP code to opcodeWhen

First, Activity1.Activity Statusactivity: If activity is visible in front of the screen, the user's input can be accepted. paused state: Activity loses focus, but remains visible. Stop state: If an activity is obscured by another activity, it stops in its state. 2.Activity life cycle action MethodOnrestart (): Called when the activity was first created, used to initialize some data, such as view, at which t

parameters of the servlet. initialization parameters are parameters that are configured with Init-param. Init can override. The experiment 1:override the Init method and observed the actual (and the upper experimental mates)Experiment 2: Add ServletConfig Config=getservletconfig ();String add=config.getinitparameter ("address");、 ---------------------------------------------If it's a ginseng init, then don't get servletconfig.Name=config.getinitparameter ("name");Phase three: Ready/CallThere is

container will only create a unique instance. This single instance is stored in the singleton cache (singleton cache), and all subsequent requests and references to the bean will return the cached object instance. 2,.prototypeWhen the bean's scope is set to prototype, the Spring IOC container creates a new bean instance each time the bean is requested.Iv. Scope of the bean1, when the scope of the Bean is a singleton (scope= "singleton" or no scope attribute)When the container is instantiated, t

Reference: http://hi.baidu.com/victorlin23/blog/item/45ba7d1b2ccbced8ad6e7595.html The bean defaults to a single example. If you do not want a single example, you need the following configuration: Singleton is to configure whether the bean is a single case, and if not, the default value is true. Annotations: Spring Bean life cycle The scope of the 1.Bean can be set through the scope property of th

Original: Istio source analysis--pilot-agent How to manage envoy life cycle Statement The source code for the analysis is 0.7.1 version Environment for K8s Because there is no C + + foundation, so the source analysis stops in C + +, but also learned a lot of things What is Pilot-agent? when we do kubectl apply -f , K8s will help us build 3 of containers. [root@izwz9cffi0prthtem4

the life cycle of Android-service a StartService way1 StartService () Start2 Once the boot is running in the background, even if the object that started it is destroyed by the activity3 Normally only starts, does not return a value4 transmission or download of the usual network5 Onstartcommand ()Two Bound service mode1 Bindservice Way2 provide client server interface to start3 Send

Thread life cycle thread state transitionsThread state Newly created (new)Creates a thread.Thread t = new MyThread(); Ready (runnable)The thread is in a state that can be scheduled for CPU at any time. Executes the start() boot thread. Run (running)Threads are scheduled by the CPU and run continuously. Calls yield() can yield CPU resources (not necessarily). Blocking (blocked)runninga t

;HelloServletServlet-name> Servlet-class>Com.iflytek.servlet.HelloServletServlet-class> servlet> Mapping Servlet - servlet-mapping> Servlet-name>HelloServletServlet-name> Url-pattern>/helloUrl-pattern> servlet-mapping> Web-app>Four, start the Tomcat server, enter Http://localhost:8080/test001_Servlet/hello in the Address bar. The console output information is as follows:V. Servlet life cycle1. Constructor: calle