variants
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Managing null values in variants using Delphi
I\'m working with a COM component which exposes a lot of Variant properties, but sometimes these values are null. When I try to convert these values to string (or another Delphi type) the application[详细]
2023-03-05 03:00 分类：问答Why does Format crash when anything but "%s" is used with a Variant?
I\'m working with the SysUtils.Format function and variant values, and I found that this function only works if the format string is %s. I checked the documentation about the Format function but there[详细]
2023-02-22 13:39 分类：问答Call iconv from Ruby through system()
I have a problem with iconv tool. I try to call it from rake file in that way: Dir.glob(\"*.txt\") do |file|[详细]
2022-12-28 12:51 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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