Using the free zip library in VBA

In a previous post I briefly explained how you can compile the free zlib library with Visual 2013 Studio and produce a 32 and a 64 bits dll that you can then use in VBA (Word, Excel, Access, etc…). If you follow this link to the article, you can even download the binaries I baked.… Continue reading Using the free zip library in VBA

How to get the same result in VBA and in PHP computing a CCITT CRC checksum

I was working last week on a Microsoft Access application and I needed to get some data from a webserver running Apache/PHP. Exchanging data with the server was easy, the WinHTTP and XML ActiveX library components are really cool and easy to use for that. But then I came unto some unexpected trouble when I… Continue reading How to get the same result in VBA and in PHP computing a CCITT CRC checksum