A callback is a piece of code (i.e. the address or reference of a function or method or a lambda expression) that is passed as an argument to other code, which is expected to call back (execute) the argument at some convenient time.
I'm still very new to Node.js, and i'm trying to understand how callbacks work. So, here is my problem : …
node.js callback node-mysqlI'm having some trouble with plain old JavaScript (no frameworks) in referencing my object in a callback function. function foo(…
javascript events binding scope callbackI found lots of functions like this one: $(function() { $("body a").click(function() { alert(this.innerHTML); return false; }); }); What's the …
javascript jquery callback return-valueOn destruction of a restful resource, I want to guarantee a few things before I allow a destroy operation to …
ruby-on-rails ruby callbackI spent a whole day looking for the simplest possible multithreaded URL fetcher in Python, but most scripts I found …
python multithreading callback python-multithreading urlfetchI am working on ViewPager and using Fragment there I found setUserVisibleHint() called before onCreateView() in Fragment I am using …
android android-fragments callbackSetup using a simple example: I've got 1 table (Totals) that holds the sum of the amount column of each record …
ruby-on-rails activerecord model callbackI have this counter I made but I want it to run forever, it's really simple, what am I doing …
javascript callback setintervalLet's say I have something as follows: for(var i = 0; i < length; i++){ var variable = variables[i]; otherVariable.doSomething(…
javascript callback