Posts by Erico Souza • 2,188 points
66 posts
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2
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answer1144
viewsQ: Calling Java class inside Oracle
would like to know if it is possible to call a Java class inside the Oracle database. I was able to install the JVM inside the Oracle server already, but I cannot compile the Java class. Does anyone…
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6
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answer1877
viewsQ: Problem reading file . xlsx too big in Java
I am working in a web application using Java, where I have a method that should read a file .xlsx, using the apache-poi: public static void xlsx(String arquivo) throws IOException{ try {…
javaasked Erico Souza 2,188 -
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answer638
viewsQ: Problem with reading files in Java
I have a module in an application in Java reading and processing files .xls, .xlsx and .csv. It is a web application, where the user uploads a file with some of these formats, via Rest, and when the…
javaasked Erico Souza 2,188 -
11
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answers28007
viewsQ: How to read CSV files in Java
I am developing a web application, where after the user uploads a CSV file, my java application needs to read this CSV. Preferably separate the data into fields, for example to add these into a…
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7
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answer575
viewsQ: Display Facebook images with a certain hashtag via API
I am developing a web application, and my client asked me about appearing in his application, in some area of the site, images of Facebook, with the desired hashtag. Example, it will cover a certain…
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3
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answer1275
viewsQ: Restricting data access with REST
I would like to know if it is possible to restrict access to my application data REST. For example, I have the xml/json that she returns in http://meuapi.com/usuarios, where you return my user list.…
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4
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answers7761
viewsQ: How to call Javascript functions in another Javascript
I wanted to call a Function of a Javascript in another Javascript file. For example, in the file compute js., i have the Function sum(a,b). And I needed to call this Function in the file js…
javascriptasked Erico Souza 2,188 -
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answers972
viewsQ: Encryption with Java
I need to encrypt the data in a user authentication session, and I would like to know the best, most secure way to work with Java encryption. Is it using Salt, MD5, AES, SHA, or other? Which API’s…
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3
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answer650
viewsQ: "Listen" directory using Java
I am working on an application, and I need to create a functionality, as a method, that is "listening", given directory. The directory is used as a destination for *.xlsx file uploads. I need that…
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answer1332
viewsQ: Uploading files using REST and Java
I am creating an application and need a way to upload xls/xlsx files by sending the file from the front end (Ajax) to the back end (Java) so it can be manipulated. Ajax code:…
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answer1850
viewsQ: Exception when reading excel file using apache poi
I am trying to read an Excel (XLS) file, using the Apache Poi API, and am taking the Exception: java.io.IOException: Invalid header signature; read 0x0020000A000DFEFF, expected 0xE11AB1A1E011CFD0 -…
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answer918
viewsQ: Return Exception Java to Ajax
all right? I’m working on a project, and the back-end (java), is totally separated from the front-end, and they communicate through REST. I have a big question about the exceptions. For example, an…
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3
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answer1101
viewsQ: Cookies or Session by Javascript
I’m working on a project, and the back-end (java), is totally separate from the front-end, and they communicate through REST. My question is, let’s start working on the authentication area, and I…
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2
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answer274
viewsQ: Is it possible to create HTML frames?
I am on a project, where the front-end layer is totally, TOTALLY separate from the Banck-end. They communicate via ajax via REST. And in this project, I’d like to break the html, so I don’t get…
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answer1150
viewsQ: Return data from Java to Ajax using Json
I have a Java application, and a module that inserts products into the base using REST. At the base the product id is autoincremental, and as soon as I add the same at the base, I need the id for…
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3
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answers4019
viewsQ: Calling Java method in Javascript
I have a problem, and I needed to call a Java method inside a Javascript file. Java example: public void Inserir(User user) { //insere usuario } Need, via a file . js, send the object to the Java…