Posts by Jhonatan Mota • 131 points
8 posts
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4
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answers4966
viewsA: How does an artificial neural network work?
Any subject that deals with Artificial Intelligence will involve the minimum of mathematical understanding and reading formulas. Making an explanation from above (right above), neural network wants…
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answer226
viewsQ: JPA+Hibernate releasing update alone
Hello, I have an object that is managed by Hibernate. On screen, an attribute of this object is updated the value and Hibernate immediately triggers an update in the database, without even going…
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1
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answers669
viewsA: JAAS or Spring Security on page control
In the company I am currently we made the security validations in hand, because with this we are not stuck to any API limitation. With this, we map routines, which are linked to the client’s…
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answers244
viewsQ: Convert docx file to pdf without losing formatting?
I am converting a docx to pdf file using the Docx4j API, but I am finding it difficult to maintain the original formatting of the text after performing the conversion. Dependencies: <!-- docx4j…
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answer148
viewsA: I’m having trouble saving the contents of a docx in pdf
I managed to solve my problem. The point is that Jboss was looking for some dependencies on himself, so I had to add two dependencies on Jaxb. The dependencies follows below: <dependency>…
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votes1
answer148
viewsQ: I’m having trouble saving the contents of a docx in pdf
I have a Rest method that takes a Word document, replaces the placeholders and converts it to PDF and saves it to a directory. But I have a Nullpointerexception I couldn’t solve, someone can help?…
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answers620
viewsQ: Redirect user to requested pages after login
Here in the company it is common to pass news links from the portal to others via email, but when the user opens the link he asks for authentication in the system, but after logging in he is…
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4
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answers412
viewsQ: Problem when changing the type of a column in the model using JPA annotation
I have a column in the database that is limited to receiving a varchar(255), but I need to change this to a bigger size. For that I added these annotations in the field: @Column(nullable = true,…