kevjose
/ gist:50d71b6b3d10ee7724af
Created
October 8, 2014 02:18
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Hello World!</title> | |
| </head> | |
| <body> | |
| <h1>Hello World!</h1> | |
| We are using node.js <script>document.write(process.version)</script>. | |
| </body> | |
| </html> |
kevjose
/ helloWorld.js
Last active
August 29, 2015 14:07
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var greeting = 'Hello World'; | |
| console.log(greeting); |
kevjose
/ percentile.js
Last active
April 4, 2016 17:44
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var calculatePercentile = function(arr){ | |
| for (var i = 0; i < arr.length; i++) { | |
| var count = 0; | |
| var start = i; | |
| if (i > 0) { | |
| while (i > 0 && arr[i].value == arr[i - 1].value) { | |
| count++; | |
| i++; | |
| } | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /* Remove http:// or https:// or www. from url */ | |
| var protomatch = /^(https?):\/\/(www\.)?/; | |
| var url ="https://www.google.com"; | |
| var b = url.replace(protomatch, ''); | |
| console.log(b); //google.com |
kevjose
/ loopDelay.js
Last active
April 6, 2016 11:02
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| (function theLoop (i) { | |
| setTimeout(function () { | |
| alert("Cheese!"); | |
| if (--i) { // If i > 0, keep going | |
| theLoop(i); // Call the loop again, and pass it the current value of i | |
| } | |
| }, 3000); | |
| })(10); |
kevjose
/ facebookHandleExtractor.js
Last active
May 9, 2016 07:06
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var matchString = "/ol?link=http://www.facebook.com/flipkart-practo/kevin-kasrt"; | |
| var res = matchString.match(/facebook\.com\/(.+)\/+/); | |
| console.log(res[1]); |
kevjose
/ percentile.js
Created
May 12, 2016 17:28
— forked from IceCreamYou/percentile.js
Utility functions to calculate percentiles and percent ranks in a JavaScript array.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // Returns the value at a given percentile in a sorted numeric array. | |
| // "Linear interpolation between closest ranks" method | |
| function percentile(arr, p) { | |
| if (arr.length === 0) return 0; | |
| if (typeof p !== 'number') throw new TypeError('p must be a number'); | |
| if (p <= 0) return arr[0]; | |
| if (p >= 1) return arr[arr.length - 1]; | |
| var index = arr.length * p, | |
| lower = Math.floor(index), |
kevjose
/ urlPasre.js
Created
May 26, 2016 03:40
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var reURLInformation = new RegExp([ | |
| '^(https?:)//', // protocol | |
| '(([^:/?#]*)(?::([0-9]+))?)', // host (hostname and port) | |
| '(/[^?#]*)', // pathname | |
| '(\\?[^#]*|)', // search | |
| '(#.*|)$' // hash | |
| ].join('')); | |
| var href ="http://www.example.com"; | |
| if(href[href.length -1]!='/') | |
| href = href.concat('/'); |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var startups = [{'score':1},{'score':2},{'score':2},{'score':3},{'score':4}]; | |
| startups.sort(function(a, b){ | |
| return (b.score - a.score); | |
| }); | |
| for(var i =0, rank= 1, j=1; i <startups.length; i++){ | |
| startups[i].rank = rank; | |
| if(startups[i+1] && startups[i].score != startups[i+1].score){ | |
| rank = rank+j; | |
| j++; | |
| } |
kevjose
/ mongoSnippets.js
Last active
June 28, 2016 05:28
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // to clone one collection to other | |
| db.demo1.find().forEach( function(x){db.demo2.insert(x)} ); | |
| // to remove dupliactes based on a key | |
| db.demo1.find({}, {field:1}).sort({_id:1}).forEach(function(doc){ | |
| db.demo1.remove({_id:{$gt:doc._id}, field:doc.field}); | |
| }) | |
| //to find documents added today | |
| var d = new Date() |
OlderNewer