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? ...
<style> .a{ font-size: 100px; position: relative; } .b{ position: absolute; color: red; top: 0; left: 0; } < style> <s...
I am a beginner in flutter. Today I want to customize an input box control. As a result, I encountered a strange problem. The custom space box cannot be put into the input box. If I put it into the input box, I will report an error. The code is as follo...
example: father_1 component has a < xxx > subcomponent < xxx > subcomponent father_2 component also has a < xxx > subcomponent < xxx > subcomponent Sub-component < xxx > < xxx > has a tag with id = xxx_id if you don t pay attention, ther...
how to solve the problem of compiling errors directly window.isWeixin = os.weixin ? os.weixin : false; I just want to hang it on window. Is there any good way to solve this problem ...
for example, the following figure shows the error message and the corresponding file under applicationmobilesupportcontroller the namespace of both class files is namespace appmobilesupportController; Message file with the following use: use app...