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Javascript 2021-11-09 17:32:08
filter a query string with comparison operator
//if need to find ratings greater then 3 //The query string may be: //127.0.0.1:8000/api/v1/posts?ratings[gt]=3 //if we check the req.query //{ ratings: { gt: '3' } } exports.getPosts = async (req, res) => { try { const queryObj = { ...req.query ... Add solution -
Java 2021-11-07 12:13:09
java count frequency of characters in a string
+++METHOD WITH NONDUP+++ public static String FrequencyOfChars(String str) { String nonDup = ""; for(int i=0; i < str.length(); i++) if(!nonDup.contains(""+str.charAt(i))) nonDup+= ""+str.charAt(i); String expectedRe... Add solution
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