elviejo - Developer IT

How to change keyboard layout in ubuntu-server?

- by elviejo

I want to set my keyboard layout to dvorak.

Changing keyboard layout to Dvorak in Ubuntu-server

- by elviejo

I want to set my keyboard layout to Dvorak. How do I do that exactly?

How to change keyboard layout in ubuntu-server?

- by elviejo

I want to set my keyboard layout to dvorak.

How to renew dhcp ip address in ubuntu?

- by elviejo

This is a simple question in ubuntu server How do I renew a dhcp assigned IP address?

How can I specify the repository from which a package will be installed? (emacs-snapshot)

I want to install emacs-snapshot from http://emacs.orebokech.com But there is already an emacs-snapshot in Ubuntu's repositories. How can I specify the repository from which a package will be installed?

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Invoice & Invoice lines: How do you store customer address information?

- by elviejo

Hi I'm developing an invoicing application. So the general idea is to have two tables: Invoice (ID, Date, CustomerAddress, CustomerState, CustomerCountry, VAT, Total); InvoiceLine (Invoice_ID, ID, Concept, Units, PricePerUnit, Total); As you can see this basic design leads to a lot of repetiton of records where the client will have the same addrres, state and country. So the alternative is to have an address table and then make a relationship Address<-Invoice. However I think that an invoice is immutable document and should be stored just the way it was first made. Sometimes customers change their addresses, or states and if it was coming from an Address catalog that will change all the previously made invoices. So What is your experience? How is the customer address stored in an invoice? In the Invoice table? an Address Table? or something else? Can you provide pointers to a book, article or document where this is discussed in further detail?

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SmartGWT throws JavaScriptException: (null): null

- by elviejo

When using GWT 2.0.x and SmartGWT 2.2 Code as simple as: public class SmartGwtTest implements EntryPoint { public void onModuleLoad() { IButton button = new IButton("say hello"); } } will generate the exception. com.google.gwt.core.client.JavaScriptException: (null): This only happens in hosted (devmode) ant hosted I also suspect that maybe the GWT Development Plugin might have something to do with it. Have you found a similar problem? How did you solve it?

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What are the main differences between: Seaside vs Aida vs Iliad

- by elviejo

What are the differences between the three Smalltalk web application frameworks? Some starting points: What is the sweet spot for each framework? in Which case would you use one or the other? What are their weaknesses? Which one has the cleanest URLs? How do they handle Ajax? Do they have some preference in their use of persistence? I'm just trying to decide which framework is appropriate for each kind of application.

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Is there a PDF parser for PHP?

- by elviejo

Hi I know about several PDF Generators for php (fpdf, dompdf, etc.) What I want to know is about a parser. For reasons beyond my control, certain information I need is only in a table inside a pdf and I need to extract that table and convert it to an array. Any suggestions?

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How to find my subversion server version number?

- by elviejo

I want to know if my server is running suberversion 1.5. How can I find that out? Also would be nice to know my svn client version number. svn help. Hasn't been helpful Note: I don't want my project's revision number, etc. This question is about the subversion software itself.

Developer IT