curiosity prompted me to take a look at the source code of lodash s array deduplication method _ .uniq, which points to _ .baseUniq. The source code is as follows: function baseUniq(array, iteratee, comparator) { let index = -1 let includes = arra...
take the keySet () method of HashMap for example: public Set<K> keySet() { Set<K> ks = keySet; if (ks == null) { ks = new KeySet(); keySet = ks; } return ks; } Wouldn t it be ...
private static final int MAX_ARRAY_SIZE = Integer.MAX_VALUE - 8; private void grow(int minCapacity) { overflow-conscious code int oldCapacity = elementData.length; int newCapacity = oldCapacity + (oldCapacity >> 1...
in the Android source code you read, where have you seen the singleton pattern used in the Android framework layer or third-party frameworks? What is the way to implement the singleton pattern? ...
vue declare type ASTElementHandler = { value: string; params?: Array<any>; modifiers: ?ASTModifiers; undefinednull }; vue source ...
what tools are suitable for analyzing the source code of Node.js ? Is Source Insight 4 appropriate? Or is there a better tool for reading the source code, Win platform? Baidu has not seen any useful information for a long time. ...
1, when using the org.apache.commons.lang3.StringUtils tool class, I looked at the source code of equals and equalsIgnoreCase to see how to ignore case comparison, but found that the content of the comparison between the two methods is basically the sam...
excuse me: String SCOPED_TARGET_NAME_PREFIX = "scopedTarget. "; under what circumstances will this prefix be used? public abstract class AbstractHandlerMethodMapping<T> extends AbstractHandlerMapping implements InitializingBean { ** ...
Why should first get the LocaleContext and RequestAttributes, of the last request saved in the processRequest method of FrameworkServlet in springmvc and finally restore LocaleContext and RequestAttributes in finally ? What s the point of doing this? ...
for example, there is a node project locally, and then the uploaded file is saved in server uploads with port 4500. If the directory structure is as follows what if the file path in uploads is returned to the front end, similar to localhost:4500 ...
In vue, to implement bi-directional binding using v-model, you need to define the bound value first, but now you don t know how many items will be rendered, so you can t define the bound variable first, so I used Jquery to get the value : inputval...
these two files are quite large ...
1. The requirements are as follows has a textarea tag. You need to get the position of the cursor and insert the specified content according to the position of the cursor. bind the value of textarea bidirectionally through v-model, and bind the i...
questions are as follows: -sharp -*- coding:utf-8 -*- from urllib.request import urlopen import bs4 import webbrowser import requests html_list = [] -sharp html_list_txt = [] -sharp movie_list = [] -sharp movie_total = {} -sharp html = https: mo...