lifecycle
What is the lifecycle and concurrency semantics of Rhino Script Engine
So I’ve run the experiment and the Rhino engine reports “Mozilla Rhino” is MULTITHREADED which the JavaDocs asserts “MULTITHREADED” – The engine implementation is internally thread-safe and scripts may execute concurrently although effects of script execution on one thread may be visible to scripts on other threads.” Here’s the code…it looks threadsafe to me, as … Read more
Is MFC still used for new development (with any material volume)?
There is a ton of code out there using MFC. I see these questions all the time is this still used is that still used the answer is yes. I work in a very large organization which still employs hundreds of people who write in cobol. If it has ever been used in the enterprise … Read more
Which VueJS lifecycle hook must Asynchronous HTTP requests be called in?
TL;DR in the general (and safe) case, use created(). Vue’s initialization code is executed synchronously. Technically, any ASYNChronous code you run in beforeCreate(), created(), beforeMount() will only respond after all of those hooks finish. See demo: new Vue({ el: ‘#app’, beforeCreate() { setTimeout(() => { console.log(‘fastest asynchronous code ever’) }, 0); console.log(‘beforeCreate hook done’); }, … Read more
How can i remove a singleton spring bean from ApplicationContext?
Removing definition does both : removing definition and destroying (removing all container references on that bean) corresponding Singleton : ((BeanDefinitionRegistry) beanFactory).removeBeanDefinition(“myBean”); If you just need to remove the singleton then : ((DefaultListableBeanFactory) beanFactory).destroySingleton(“myBean”); The latter way may be especially useful if you just registered singleton but haven’t defined any bean definitions, i.e. ((SingletonBeanRegistry) beanFactory).registerSingleton(“myBean”, myBeanInstance);
Automatically log Android lifecycle events using ActivityLifecycleCallbacks?
I don’t have any firsthand experience but judging from the API you can just write your own class that implements the Application.ActivityLifecycleCallbacks interface and register that class on the provided Application class instance getApplicaton().registerActivityLifecycleCallbacks(yourCustomClass); This class will receive the same callbacks as your individual activities. Good luck. PS. This is API level 14 btw, so … Read more
Lifecycle OnLifecycleEvent is deprecated
It’s deprecated because they now expect you to use Java 8 and implement the interface DefaultLifecycleObserver. Since Java 8 allows interfaces to have default implementations, they defined DefaultLifecycleObserver with empty implementations of all the methods so you only need to override the ones you use. The old way of marking functions with @OnLifecycleEvent was a … Read more
How does browser page lifecycle sequence work?
What you are talking about is the Critical Rendering Path. The point 1., 3. and 4. can be resumed as such: Construction of Document Object Model(DOM) Construction of CSS object model(CSSOM) Construction of Render Tree Layout Paint. Here is a break down of what happens behind the scene. 1. Constructing the DOM object. The first … Read more