Posts by caiomaia • 144 points

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  A: How to refresh on another page after entering data in the database

  As in the model client x server you do not maintain a persistent connection to the server, in the case when a request is sent to be processed, to be answered that connection ends and you no longer…

  javascript java ajax json

  answered 8 years, 6 months ago caiomaia 144

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  A: How to hide div with cookies after a second user visit

  It is necessary to set the cookie on the user’s first visit, and it can be done by jquery in this way: // O parâmetro de expiração é setado em dias, e ele não é obrigatório. $.cookie("visited", 1, {…

  javascript java jquery html

  answered 8 years, 6 months ago caiomaia 144

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  A: Combobox + Arraylist + SQL

  It is possible to abstract the data needed for a new transition object, so you would not use the entity Categoria direct on a visualization layer, which is considered a bad practice. That way you…

  java sql query combobox arraylist

  answered 8 years, 6 months ago caiomaia 144

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  A: Searching for documents with mongoDB

  If you are using Spring, you can use the Mongodb module from Spring Data, or if you only want a POJO mapper you can use the morphia. On mongodb’s own site there are several options to be used. To…

  java mongodb

  answered 8 years, 7 months ago caiomaia 144

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  A: java.lang.Classnotfoundexception error: "Caused by: java.lang.Classnotfoundexception: com.fasterxml.Jackson.core.type.Typereference

  Make sure Jackson’s dependencies are included in your jar. You can do this by opening the .jar of your project and checking if there is the .jar Jackson’s inside, if not, add and package again. If…

  java hibernate javafx

  answered 8 years, 7 months ago caiomaia 144

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  A: How can I persist data using Arraylist?

  You can define the ArrayList<String> as an attribute of the class, so that the scope of the whole class has access to the value, so you can use and change in any method of the same: public…

  java joptionpane

  answered 8 years, 7 months ago caiomaia 144

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  A: Error sending email using Javamail

  The estate mail.smtp.ssl.trust can be used to explicitly say that you must trust the smtp host certificate. In your case: props.put("mail.smtp.ssl.trust", "xxxxxxx.xxxxxxx.org.br"); Translated from…

  java

  answered 8 years, 7 months ago caiomaia 144

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  A: What does the @Component annotation do?

  Spring supports the annotation @Component since his version 2.5, and it serves to indicate to the framework that that class is a bean which should be administered by the implementation of Ioc…

  java spring

  answered 8 years, 7 months ago caiomaia 144