[fpc-pascal] Persistent lists to save records
luciano de souza
luchyanus at gmail.com
Mon Sep 22 18:38:50 CEST 2014
Hum... It's a very good idea. Firstly, I thought in something like a
persistent list with LoadFromFile and SaveTofile methods, but this
approach is really simple and useful.
2014-09-22 13:01 GMT-03:00, leledumbo <leledumbo_cool at yahoo.co.id>:
>> So my question is: which are the easiest way to save records without this
>> Is there something like a persistent list?
> Not with static data record. That one do only support shortstrings, because
> it contains actual data. Other strings are just pointers, which will be
> saved as pointers as well, thus cannot be used for things like this. For
> dynamic data, you have to work a little harder by using untyped file.
> Dynamic data can easily be represented as length followed by data. Length
> can be 1-n bytes, depending the maximum length of data you want to support.
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Luciano de Souza
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