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? ...
[printed information] after testing the ROLLBACK, execute before self.db.close () in the code session configuration code uses the default: autoflush=True, autocommit=False, expire_on_commit=True [Information queried by yourself] 1. When sqla...
difference between hashlib and _ hashlib ...
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package.json is configured with "scripts ": { "build": "babel src -d lib" } ...
after the side slip deletion is introduced into the layout of item, the button that slips out can be deleted normally, but the setOnItemClickListener () method of adapter is invalid. How to solve this problem if you click item and do not respond? <?...