[Solved] Which is more faster? trim() or RegEx?

[ad_1] Test: var string = ‘ fsajdf asdfjosa fjoiawejf oawjfoei jaosdjfsdjfo sfjos 2324234 sdf safjao j o sdlfks dflks l ‘ string.replace(/^\s+|\s+$|\s+(?=\s)/g, ”) string.trim() Results: Function Result regex regex x 1,458,388 ops/sec ±2.11% (62 runs sampled) trim trim x 7,530,342 ops/sec ±1.22% (62 runs sampled) Conclusion: trim is faster Source: https://www.measurethat.net/Benchmarks/Show/4767/0/regex-removing-whitespace-vs-trim [ad_2] solved Which is … Read more

[Solved] “callback is not defined” in node js

[ad_1] You don’t need a callback in this case, because you’re at the end of your route, so to speak. So instead, you could do something like handle it with sending an error message to your rendered page. var express = require(‘express’); var router = express.Router(); var mysql_db = require(‘../db/db_con’)(); var pool = mysql_db.init(); /* … Read more

[Solved] “callback is not defined” in node js

Introduction [ad_1] The “callback is not defined” error is a common issue encountered when working with Node.js. It occurs when a callback function is not defined or is not passed as an argument to a function. This error can be difficult to debug, as it can be caused by a variety of issues. In this … Read more

[Solved] JSON object within JSON objects in Node.js [closed]

[ad_1] Try something like this: var widget = JSON.parse(json_string); var window_content = widget.debug.window; widget.debug = window_content; var new_json_string = JSON.stringify(widget); edit: removed widget.debug.window = false; since replacing widget.debug will remove it, and setting it to false would make it appear again as “false”. 3 [ad_2] solved JSON object within JSON objects in Node.js [closed]

[Solved] Porting MD5 from node.js to go [closed]

[ad_1] If you only need the standard md5 algorithm, here’s how to use it in go, as noted in the documentation: import ( “fmt” “crypto/md5” “io” ) func main() { h := md5.New() io.WriteString(h, “The fog is getting thicker!”) io.WriteString(h, “And Leon’s getting laaarger!”) fmt.Printf(“%x”, h.Sum(nil)) } If you need an md5 function that returns … Read more

[Solved] Parse JSON object with Node.js

[ad_1] You don’t need to parse this as JSON, it is already there in an object. Just construct a string the way you want it by accessing it via Collector.stats. 1 [ad_2] solved Parse JSON object with Node.js

[Solved] How to start building a cross platform app? [closed]

[ad_1] React Native is a great place to start. With today’s ecosystem lead by flutter and react, Angular has unfortunately fallen behind. Both, Cloud functions are Firebase’s solution to server instances, these create short-lived functions that do complex or secure tasks such as handle payments, delete/manage users, etc. While the bulk of your app and … Read more

[Solved] Why doesn’t promisify want the argument for the callback function?

[ad_1] I mean opA is a function, so why not opA()? Because opA is a reference to the function itself. The promise will use that reference to execute that function at a later time. Alternatively, opA() executes the function (without any arguments) now and passes the result of that function call to the promise. Since … Read more