Let's say we are designing core functionality of dropbox which is backed by Amazon S3. I have few confusions regarding how the upload works (as below is my assumption of the upload work flow. Please c...

In coldfusion I have a basic cffile upload which works fine when the nameconflict parameter is explicit, such as 'overwrite'. But when I try to pass a parameter, it doesn't work. <cfoutput> <...

I'm trying to make a file upload system following the tutorial found here: https://www.youtube.com/watch?v=GRXaCfS1qj0 I've followed the tutorial step by step, but i'm having troubles.. I'm getting th...

When I try to upload new version to a function in AWS Lambda, the option to upload a zip file is not allowed. (See the picture bellow) It used to be able to choose the $latest version of a function a...