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? ...
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studied pdf.js for half a day. the cross-domain problem has not been solved. Later, it was found that all mainstream browsers can directly open pdf files and provide functions such as downloading printing . so, is it necessary to use pdf.js o...
first explain my environment information: Windows10 creates a virtual machine using hyper-v, and the virtual machine system is also Windows10. the virtual switch for the virtual machine selected the default switch. through the firewall log, it is fou...
there is a table, that wants to share a style, but the requirement is to bind different values at different times, because I want to save these values each time. this list wants to change to different values at different times, such as list1 . ...
[problems encountered] try to use the imap_fetchstructure function of PHP to get the encoding, of the message content transfer encoding for the corresponding decoding operation. However, after testing, it is found that the representative value of en...