Posts by Scarabelo • 331 points
14 posts
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answer2326
viewsA: Simple Java application error: Picked up _JAVA_OPTIONS: -Xmx4096m
You probably have an environment variable configured with this name "_JAVA_OPTIONS" and its content is "-Xmx4069m", by default java recognizing that the OS has an environment variable with that name…
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answer123
viewsA: Implementation of the Java Mysql MVC model
If your project is small I would move on to a structure similar to this: /src/main/java/myName/appName/controller /src/main/java/myName/appName/model /src/main/java/myName/appName/model/request…
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answers151
viewsA: How does Stdaudio work in java?
Fussando a little in the Internets (I found interesting your question related to FFT) I found an algorithm that runs FFT and discriminates the content of each variable, maybe help you: Source of the…
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answers186
viewsA: How does Java sync work?
I do not understand how duplicated because the question is more specific than "what is thread", well the answer is relatively simple, this situation you presented the biggest reason is that "if you…
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answer62
viewsA: I have an error in Netbeans I can’t make lambda expression
Your netbeans is set with jdk 1.6 you have to change in netbeans conf: Find the Folder where netbeans is installed C: Program Files Netbeans X.x etc netbeans.conf Change the variable below by…
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answer60
viewsA: Configure JPA to recognize uppercase Postgresql entities and tables
Maybe it is because you are using MYSQL5DIALECT, has a specific dialect for postgree, which ends up improving the naming Strategy.…
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answer104
viewsA: getClass(). getResource() returns null
Use getResource for the class URL resource = Subclass.class.getClassLoader().getResource("css.css");
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answers1070
viewsA: Regular expression for alphanumeric characters, hyphen, space or single quotes
Regex below accepts only characters, numbers and special characters "'" and "-" [a-zA-Z0-9 '-]
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answers250
viewsA: How to validate elements produced during a Java Stream before Collect?
A relatively elegant solution would be to use anymatch to check if there is any scenario where you should launch Exception and in a second moment, if there was no Exception, you would follow with…
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answers4293
viewsA: Break and Continue on foreach Java 8
There is no break and continue stream, as your primary goal is to run iterations in parallel, so giving a "break" or a "continue" would be extremely inefficient and would most likely result in wrong…
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answers74
viewsA: Java running 2 programs in parallel
Face the problem ta in your code, the while of line 22 ta in infinite loop the value of "mes" is never changed so will not leave this loop ever
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answer71
viewsA: Move Files after FTP Upload
The question got a little confusing, but if the problem is moving folder files try using apache Camel, it is simple and works well.
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answers227
viewsA: What is the pattern represented by this class called?
So if the goal is to group several information from different tables one can use the concept of DTO since it is a set of data that will be transferred in an object and that do not represent a single…
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answer81
viewsA: Java Help: Save a Key-Value Arraylist in a BD
The easiest way would be to implement this information in the Entity model and save using Hibernate, it’s really simple. Since your list would be an entity list and to save just one . save() in the…