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Comparing Images
Comparing Data and Spotting Differences

We all remember a game we played as children, “Spot 10 differences”, where you have two versions of the same picture and you must find the differences between t...

Laptop with Sigma Software website on the screen
How to Bypass Server Cache When Retrieving We...

Once at a job interview I was asked how to bypass the server cache when retrieving web content. Let’s picture a situation: caching is enabled on the server side...