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This is gist. | |
There are many like it, but this one is mine. | |
It is my life. | |
I must master it as I must master my life. | |
Without me gist is useless. | |
Without gist, I am useless. |
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var dict = { | |
"x": 1, | |
"y": 6, | |
"z": 9, | |
"a": 5, | |
"b": 7, | |
"c": 11, | |
"d": 17, | |
"t": 3 | |
}; |
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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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class DictUtils { | |
static entries(dictionary) { | |
try { | |
//ECMAScript 2017 and higher, better performance if support | |
return Object.entries(dictionary); | |
} catch (error) { |
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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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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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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 |
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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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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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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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