How many of the 12 vue high frequency principle interview questions can you answer?
preface
This paper shares 12 interview questions on Vue high frequency principle, covering the core implementation principle of Vue. In fact, it is impossible to finish an article on the implementation principle of a framework. I hope that through these 12 questions, readers can have a certain understanding of their Vue Mastery (B number), ...
Posted by ragtek on Tue, 04 Jan 2022 14:35:39 +0100
LeetCode-416. Split equal sum subset
Topic source
416. Segmentation and subsets
Title details
Give you a non empty array containing only positive integers, {nums. Please judge whether this array can be divided into two subsets so that the sum of the elements in the two subsets is equal.
Example 1:
Input: num = [1,5,11,5]
Output: true
Explanation: an array can be divided into [1, 5 ...
Posted by mattcass on Tue, 04 Jan 2022 08:12:18 +0100
Who is it, watching in the dark
Preface
🧐 Manager Wang: Class is over, class is over. Today we will talk about what is the observer mode. In our usual code practice, many of us have the idea of observer mode. Today, we are full of goods, listening well, we don't understand our classmates. You are still in a daze.
🙁 Don't understand: Manager Wang, don't mention it. Xia ...
Posted by Anim9or on Mon, 03 Jan 2022 21:09:56 +0100
[Android development, geek time resource sharing
**android:divider="#f00" * * color of split line
android:dividerHeight = "2dp" the height of the splitter bar
**android:cacheColorHint="#0fff" * * when the background image is used in the list, there will be a problem in the drop-down or pull-up: the background image is missing
android:scrol ...
Posted by jackread on Mon, 03 Jan 2022 15:17:35 +0100
Java parallel program foundation, byte beating, Java interview cool classics
public static void main(String[] args) throws InterruptedException {
Thread t1 = new Thread(()->{
while (true) {
if (Thread.currentThread().isInterrupted()) {
System.out.println("Interrupt!");
break;
}
...
Posted by sylesia on Mon, 03 Jan 2022 08:36:51 +0100
Spring-MVC- core call process, MySQL million words essence summary
long startTime = System.currentTimeMillis();
Throwable failureCause = null;
doService(request, response);
}
> get into`doService`method
>
> Class: org.springframework.web.servlet.`DispatcherServlet`
```java
protected void doService(HttpServletRequest request, HttpServletResponse response) throws Exception {
logRequest(reques ...
Posted by serg91 on Sun, 02 Jan 2022 23:19:24 +0100
Handwritten a simple vue response to take you to understand the principle of response
Vue2.x-response principle
1. Application of defineproperty
In vue2 X response uses defineProperty for data hijacking, so we must have a certain understanding of it. Let's first understand its usage. Here, we use defineProperty to simulate data in Vue.
<body>
<div id="app"></div>
<script>
// Simulate Vu ...
Posted by introvert on Sun, 02 Jan 2022 19:31:52 +0100
Interview classic: what's the matter with TCP sticky packets?
preface
Questions about TCP protocol are often asked in the interview, especially in the interview of fresh students.
TCP protocol is a connection oriented reliability protocol. To say that it is reliable does not mean that the data information will be accepted by the opposite end, but will give up the retransmission mechanism and interru ...
Posted by zohab on Sun, 02 Jan 2022 06:39:13 +0100
Example of generalization error parameter adjustment of random forest application in machine learning sklearn classroom of vegetables
from sklearn.model_selection import train_test_split
#Divide 30% of the data as the test set
Xtrain, Xtest, Ytrain, Ytest = train_test_split(wine.data, wine.target, test_size=0.3)
clf = DecisionTreeClassifier(random_state=0) #Modeling: Decision Tree
rfc = RandomForestClassifier(random_state=0) #Modeling: random forest
clf = clf.fit( ...
Posted by fredted40x on Sun, 02 Jan 2022 04:26:43 +0100
Java advanced key analysis
Singleton mode
Hungry Han Trilogy (waste of resources)
1. Privatize the constructor (resulting in that the external cannot directly new your class instance)
private GirlFriend(String name) {
this.name = name;
}
2. Create directly within the class (create your own girlfriend in your own class)
private static GirlFriend ...
Posted by zelot1980 on Sun, 02 Jan 2022 01:58:54 +0100