I have just found that in react this.setState() function in any component is asynchronous or is called after the completion of the function that it was called in.  Now I searched and found this blog (setState() State Mutation Operation May Be Synch...
I have a simplified function that looks like this:  function(query) {   myApi.exec('SomeCommand', function(response) {     return response;   }); }   Basically i want it to call myApi.exec, and return the response that is given in the callb...
I am thinking about it and this is what I came up with:  Let's say we have a code like this:  console.clear(); console.log("a"); setTimeout(function(){console.log("b");},1000); console.log("c"); setTimeout(function(){con...
Is it a deliberate design decision or a problem with our current day browsers which will be rectified in the coming versions?...
I have a question about the single threaded nature of Javascript.  console.log("1"); setTimeout(function(){console.log("2");},3000); console.log("3"); setTimeout(function(){console.log("4");},1000);   The result of t...
I've been developing in JavaScript for quite some time but net yet a cowboy developer, as one of the many things that always haunts me is synching JavaScript's callbacks.  I will describe a generic scenario when this concern will be raised: I...
I'm curious about the possibility of damaging localStorage entry by overwriting it in two browser tabs simultaneously. Should I create a mutex for local storage? I was already thinking of such pseudo-class:  LocalStorageMan.prototype.v = LocalSto...
Shared Web Workers are designed to allow multiple pages from the same site (origin) to share a single Web Worker.  However, it's not clear to me from the spec (or other tutorials and information on Shared Workers) whether the Shared Worker will p...
Does anyone know what the memory and threading models are in nodejs?  In particular, is ii++ atomic? Does it behave as if ii were volatile in Java 1.5, in Java 1.4, in C, or not at all?...
So I have a large JSON object i'm returning from the server, then building a datatable from it and displaying it on the form. This usually takes a few seconds.. so I was thinking of a loading bar.  I have the logic behind the loading bar, however...

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