Chathura madusanka ChathuraGH
ChathuraGH
/ OccCounter_V3.js
Created
December 1, 2023 19:21
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| let str = "atul kumar srivastava"; | |
| let obj ={}; | |
| for(let s of str)if(!obj[s])obj[s] = 1;else obj[s] = obj[s] + 1; | |
| console.log(obj) | |
| //source | |
| // https://stackoverflow.com/questions/19480916/count-number-of-occurrences-for-each-char-in-a-string | |
| // https://stackoverflow.com/a/60648545/13861187 |
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| const k = 5; | |
| const dict = { | |
| "x" : 1, | |
| "y" : 6, | |
| "z" : 9, | |
| "a" : 5, | |
| "b" : 7, | |
| "c" : 11, | |
| "d" : 17, | |
| "t" : 3 |
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| const sortObjectByValues = (dict: { [key: string]: number }, direction: 'asc'| 'desc' = 'asc') => { | |
| return Object.fromEntries(Object.entries(dict).sort((a, b) => { | |
| if (direction === 'asc') { | |
| return a[1] - b[1] | |
| } | |
| return b[1] - a[1] | |
| })) | |
| } | |
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| function sortObj(obj) { | |
| // Sort object as list based on values | |
| return Object.keys(obj).map(k => ([k, obj[k]])).sort((a, b) => (b[1] - a[1])) | |
| } | |
| //source | |
| //https://stackoverflow.com/questions/25500316/sort-a-dictionary-by-value-in-javascript | |
| //https://stackoverflow.com/a/74250133/13861187 |
ChathuraGH
/ OccCounter_V2.js
Created
December 1, 2023 00:42
Character Occurrences Counter of a string
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| function withAMap(str) { | |
| // A map for the character=>count mappings | |
| const counts = new Map(); | |
| // Loop through the string... | |
| for (const ch of str) { | |
| // Get the count for it, if we have one; we'll get `undefined` if we don't | |
| // know this character yet. Using nullish coalescing (`??`), we can turn | |
| // that `undefined` into a `0`. (In obsolete environments that don't |
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| let s = 'hello'; | |
| var result = [...s].reduce((a, e) => { a[e] = a[e] ? a[e] + 1 : 1; return a }, {}); | |
| console.log(result); // {h: 1, e: 1, l: 2, o: 1} | |
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| class DictUtils { | |
| static entries(dictionary) { | |
| try { | |
| //ECMAScript 2017 and higher, better performance if support | |
| return Object.entries(dictionary); | |
| } catch (error) { |
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| function sort_object(obj) { | |
| items = Object.keys(obj).map(function(key) { | |
| return [key, obj[key]]; | |
| }); | |
| items.sort(function(first, second) { | |
| return second[1] - first[1]; | |
| }); | |
| sorted_obj={} | |
| $.each(items, function(k, v) { | |
| use_key = v[0] |
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| var dict = { | |
| "x": 1, | |
| "y": 6, | |
| "z": 9, | |
| "a": 5, | |
| "b": 7, | |
| "c": 11, | |
| "d": 17, | |
| "t": 3 | |
| }; |
documentprocessing
/ add-annotations-to-images-in-javascript-using-annotorious-library.html
Last active
September 2, 2024 12:24
Add annotations to images manually or automatically using JSON in JavaScript using Annotorious Library. Check https://products.documentprocessing.com/annotation/javascript/annotorious/ for more details.
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| <html> | |
| <head> | |
| <!-- Linking Annotorious Stylesheet --> | |
| <link rel="stylesheet" href="dist/annotorious.min.css"> | |
| <!-- Integrating Annotorious JavaScript Library --> | |
| <script type="text/javascript" src="dist/annotorious.min.js"></script> | |
| </head> | |
| <body> |