Posts by Marcos Zolnowski • 2,687 points
43 posts
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answer134
viewsA: How to use Dynamic Links with the <projectID>.web.app domain?
It is possible to do this? Not, Firebase insists you use <my website>.page link. for Dynamic Links. Now, if you connect an external domain, that rule with dynamicLinks in the firebase.json…
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answer141
viewsA: Pool and Transactions with Pymongo
Transactions Transaction support is obtained by 3 object methods client_session: start_transaction(read_concern=None, write_concern=None, read_preference=None) commit_transaction()…
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answers250
viewsA: Run . java that imports another class in the terminal
The directory in which the .class shall also be informed in the cp. The full name of the class must be specified, something like snickers.guia.MeuPrograma. In your case, enough should be: java -cp…
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answer93
viewsA: Why does my synchronized method not work as expected?
We have a multi-tasking situation: terminais.forEach(terminal -> new Thread(new SocketServerChannel(terminal, terminalService, socketHandler)).start()); But the way to deal with this situation…
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answer158
viewsA: Android Studio Update: preview adding shadow in XML
That’s a bug: Linearlayout Rendering issues in Android Studio 3.3. The problem has been solved, and will be available in the next release: For the shadow in Linearlayout, Actually we use it to…
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answers3144
viewsA: Is there a REST specification for uploading files?
There is a REST specification for uploading files? Sort of, Webdav, which can be considered proto-REST. Of the above options, which one would be closer to REST? I prefer the option 3, because it…
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answer96
viewsA: What are the criteria for failbit and badbit in a Std::istream?
What are the criteria for failbit and badbit in a Std::istream? The default that specifies the language, Standard for Programming Language C ++, says: Table 109 - iostate effects badbit indicates a…
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answer265
viewsA: Hot deploy with Netbeans
I haven’t touched Jboss in a while, and I don’t know if your project is in Maven or Ant, so my answer will be very generic. In principle, it is necessary to configure your project as follows: Choose…
netbeansanswered Marcos Zolnowski 2,687 -
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answer191
viewsA: Webcrypto keys derived from PBKDF2
even if, a key is generated using the same password used in another key should not be two separate keys? Not, all algorithms involved in cryptographic key generation(PBKDF2, SHA-2) are deterministic…
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answer431
viewsA: Is it possible to create a widget with javascript?
From what I understand, you have a web application (HTML + CSS + Javascript) to be used as a Android Widget App. For this, you will need to load your application using a WebView. According to the…
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answer1139
viewsA: What is the usefulness of :host, :host() and :host-context()
The pseudo-classes :host, :host() and :host-context() are part of the specification CSS Scoping Module Level 1, which are used as selectors of elements defined within the shadow gift. As a result,…
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answer128
viewsA: Modular Maven design with modular Java10 cannot find the java module
The ideal way to run using modules (according to the java command) is to use: ou java [options] -m <module>[/<mainclass>] [args...] java [options] --module…
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answer503
viewsA: Error compiling a modular Maven project with modular java 10
The plugin maven-compiler-plugin uses the library ASM, but only the most current versions can interpret bytecode of version 10. The central POM shall be modified with the following configuration:…
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answers152
viewsA: What is the "customElements" property for?
Translating in a very simple way, customElements means custom elements. That means you can create your own element, just as you can use the elements <a> <br> <div>. In order to use…
javascriptanswered Marcos Zolnowski 2,687 -
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answers534
viewsA: Is it possible to change the value of an annotation at runtime?
Cannot change the annotation itself, but if an annotation field is a class, it is possible to change its static fields. Annotation: package teste.annotation; import java.lang.annotation.ElementType;…
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answer178
viewsA: Error deploying application in Glassfish: org.objectweb.asm.ClassReader. <init> -> java.lang.Arrayindexoutofboundsexception
This meant moving Java from container to Java 8. Probably because somewhere, the system uses Java 8 features such as Windows. I would say, that the version of the ASM being used should be the 3.3.…
glassfishanswered Marcos Zolnowski 2,687 -
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answer61
viewsA: Bitbucket - send new files to an empty repository
To initialize a repository: hg init c:\novoprojeto To upload the repository to Bitbucket: cd novoprojeto hg push https://bitbucket.org/marquinhos/meunovorep…
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answers131
viewsA: Connect to Ubuntu Server with Putty+Xming
So I was thinking, it’s necessary for the system to have an interface graphics for Xming to work? Yes, it is necessary to install the relevant packages. By default, VPS images are not instantiated…
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answers219
viewsA: Container LAMP with Debian Stretch
I see nothing wrong with having an image with all the software needed to run the system. This is normal for those who use Docker for integration testing. I don’t have much experience with Docker,…
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answers582
viewsA: Maven Module vs Java 9 Module
In a very simple way, the difference is: Maven manages dependencies Compile-time. Maven makes it easy to build the software. Not only when compiling, but also when testing, packaging and…
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answers8566
viewsA: What is CQRS and how to implement?
As the question contains the C#tag, the most official material I found is: Command and Query Responsibility Segregation (CQRS) Pattern, containing examples of how to use CQRS with C# CQRS Journey,…
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answer3193
viewsA: Java SOAP webservice authentication engine
The most likely answer is that you is not inserting the headers User and Password at the time of calling the webservice. In section 3 of tutorial that you indicated, is described as doing it the…
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answers2393
viewsA: Divergence in encrypting and decrypting in Java and C# Aes algorithm
In the . NET code, only one change. Initializing IV, always with the same value: using System; using System.IO; using System.Security.Cryptography; using System.Text; namespace Aes_Example { class…
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answers200
viewsA: Speed difference between Plink and Openssh
In the future: Windows Subsystem for Linux Currently, there don’t seem to be many interesting options. It’s a long shot, but I could try using the Win32 Openssh.…
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answer329
viewsA: Create Splashscreen to show file copy progress
I can’t tell if yours PreLoader is configured correctly, mainly because of this: import com.sun.javafx.application.LauncherImpl; Normally, you use the launch of own Application. Now, what is…
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answer1003
viewsA: Java Printing - Docprintjob
The difference between the code that works is DocFlavor docFlavor = DocFlavor.INPUT_STREAM.AUTOSENSE; for DocFlavor docFlavor = DocFlavor.INPUT_STREAM.PNG; I suggest changing to: DocFlavor docFlavor…
javaanswered Marcos Zolnowski 2,687 -
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answer199
viewsA: Image loses effect of Camanjs when manipulating canvas
It seems that changing ctx.drawImage(filtro, 0, 0); for ctx.drawImage(c, 0, 0); is the solution. $(document).ready(function() { $("html, body").on("click", "#vintage", function() { Caman("#filtrar",…
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answers1301
viewsA: Move folder/files between repositories without losing Change history
Two repositories, the Old man and the New. Are totally different. We need to add the contents of the old repository to the new repository. But each has its own branch default. What can we do to help…
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answer201
viewsA: Error when deploying lambda EJB project using glassfish 4
Looks like it’s a bug in Glassfish: GLASSFISH-21287 It appears the HK2 component is to blame: HK2-136…
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answers1301
viewsA: How does the G1 (Garbage First Collector) work?
The best explanation on G1 in relation to CMS: Getting Started with the G1 Garbage Collector The text is a bit long (I don’t intend to do the whole translation), but in short: How the heap is…
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answer184
viewsA: Coloring part of an SVG circle
Use masks seems the best option: function create_circ(rayon,cx_circle,cy_circle){ var svg = document.getElementById('svg'); var newCircle = document.createElementNS('http://www.w3.org/2000/svg',…
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answers675
viewsA: Problem with Unity 3D Development
Looks like you got this problem: "Error in text editor Extension chain." when trying to Edit new Unityscript file In short, the Boo extension setting (add-in) is damaged. I can not confirm at the…
unity3danswered Marcos Zolnowski 2,687 -
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answer352
viewsA: How to access PHP webservice securely from an Objective-C/iOS app?
For an initial search, I suggest you start reading this document: iOS Security Guide (in English) Before sending (offline storage), starting from page 9: Encryption and Data Protection Sending the…
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answer535
viewsA: Able to see through cubes - opengl - pyopengl
The problem is simple by analyzing the following snippet of your code: glScalef(1.0, 1.0, 0.3) glColor3f(0, 0, 1)#cor A glutSolidCube(2.0)#renderiza cubo inteiro com cor A glColor3f(1.0, 0.0,…
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answer258
viewsA: I’m using openGL on android, time to emulate error
Two important facts: The emulator is not fully guaranteed. Your code can be perfect, and yet fail catastrophically in it. Between version 2.x and Android 4.x, certain behaviors change. The code that…
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answer172
viewsA: Difficulties with selecting items in a Qtreeview
You need to configure the property selectionBehavior from Listview to value SelectRows. If not, Listview spoils your selection. For those who want to test, use the example interview included in…
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answer384
viewsA: Using classes from the java.util.Concurrent package to multiply matrices on android?
I suggest you withdraw: s1Task.run(); s2Task.run(); s3Task.run(); because that is the task of the executor. You’re running the same thing twice.
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answer138
viewsA: Switching from 16 to 64 bits while booting an Intel PC compatible
Getting into Long Mode is not so simple, I suggest starting with these pages: Introducing: http://wiki.osdev.org/X86-64 Traditional way:…
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answers457
viewsA: How do I log in through my Microsoft Live app?
I believe the official name is Identity API. Microsoft provides a library Javascript, but there are other ways to connect. In the end, it all comes down to via operations REST. In your case, it…
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answers17226
viewsA: Difference in Index Unique and Unique Constraint usage in Mysql?
In Mysql is the same thing. ALTER TABLE tabela ADD CONSTRAINT UNIQUE KEY is the same thing as CREATE UNIQUE INDEX According to the documentation: KEY and INDEX are synonymous. KEY is normally a…
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answer560
viewsA: Problems decoding Assembly x86 from binary
The intel handbook, in section 2.1.1 states that the 67H prefix allows programs to change the addressing between 16 and 32 bits. That any size can be the default, and that the prefix selects the…
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answers2543
viewsA: Unit test with database
You have a EntityManager per thread, but all share the same database. If you run the tests concurrently, what one test does, can affect the other tests. It is necessary to create the database in…
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answers1037
viewsA: How to use Qt translations directly with Qapplication::tr()
I use an older version, but from what I understand, the call from TR in your class is wrong. The documentation says that if your class is not sub-class of QObject, use TR of QCoreApplication: If the…