I\'m trying to read signals from a PLC trough Java, and for that I think I should use a \"bridge\" called JEasyOPC. The problem is that I don\'t how to install it, and make it work.
I made a program basing on JeasyOpc source code, whan i try to use it on localhost there is no problem it works fine (i can see the opc server and can read sig开发者_JAVA技巧nals from it). Than i trie
What\'s the difference between the following two declarations? I thought they were equivalent, but the first sample works, and the second does not. I mean it compiles and runs, but the bitmap display
I have a script that backs up our database, which contains multiple tables and views constructed 开发者_C百科from tables.
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