Optimum way to compare strings in JavaScript?
You can use the localeCompare() method.
javascript
Node.js heap out of memory
If I remember correctly, there is a strict standard limit for the memory usage in V8 of around 1.7 GB, if you do not increase it manually. In one of our products we followed this solution in our deploy script: There would also be a new space command but as I read here: a-tour-of-v8-garbage-collection the new space … Read more
How to deal with net::ERR_SSL_PROTOCOL_ERROR?
This is not a javascript problem, it’s an ssl probem. You can’t get a file through an insecure connection (http) from a html page served through a secure connection (https). If you’re going to use https (and you SHOULD!) then you need to get the script through a secure connection. To get the file, you … Read more
How do you reverse a string in-place in JavaScript?
How do you reverse a string in-place in JavaScript when it is passed to a function with a return statement, without using built-in functions (.reverse(), .charAt() etc.)?
How to solve ‘Redirect has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header’?
In addition to what awd mentioned about getting the person responsible for the server to reconfigure (an impractical solution for local development) I use a change-origin chrome plugin like this: Moesif Orign & CORS Changer You can make your local dev server (ex: localhost:8080) to appear to be coming from 172.16.1.157:8002 or any other domain.
Tallest Unicode character?
Whats the unicode Character code of that f symbol? (Image by WHATWG). I suppose it’s the tallest Unicode character there is. Is it?
“document.getElementByClass is not a function”
You probably meant document.getElementsByClassName() (and then grabbing the first item off the resulting node list): You may still get the error document.getElementsByClassName is not a function in older browsers, though, in which case you can provide a fallback implementation if you need to support those older browsers.
Download File Using JavaScript/jQuery
Use an invisible <iframe>: To force the browser to download a file it would otherwise be capable of rendering (such as HTML or text files), you need the server to set the file’s MIME Type to a nonsensical value, such as application/x-please-download-me or alternatively application/octet-stream, which is used for arbitrary binary data. If you only want to open it in a … Read more
What is NODE_ENV and how to use it in Express?
This is my the app, I’m currently running on production. However, I came to know about NODE_ENV and want to use it. How can I do this?
How do I test for an empty JavaScript object?
Note, though, that this creates an unnecessary array (the return value of keys). Pre-ECMA 5: jQuery: lodash: Underscore: Hoek ExtJS AngularJS (version 1) Ramda