All Questions

2
answers

How does a Java Virtual Machine written in Java work?

Seeing the Jikes RVM I was curious to know how this works (in theory), but only found material in English . Is it correct to assume that the JVM today is done in C / C ++, which in turn is done in Assembler? How can a language "self-inte...
asked on 19.01.2017 / 18:06
2
answers

How can I simulate a placeholder using a label?

I'm trying to make label simulate a fixed placeholder. The biggest difficulty is to change the properties of label when input gets focus , and input fill in the rest of the space automatically. I tried to...
asked on 01.01.2014 / 21:45
1
answer

Multiple Controllers with JavaFX 2, such as referencing the instance of the other

UPDATED. I am creating a new Java application using JavaFX, when programming with Swing I had the custom of creating multiple specialized controllers for the interface, and in Swing I use a controller that is aware of all others and so with...
asked on 03.08.2015 / 02:03
4
answers

How to read a CSV file in Python?

I need to read a very large CSV file (+ 300K lines). What is the best way to read a CSV file in python ?     
asked on 09.11.2015 / 23:31
3
answers

An image with display: none is loaded? Do you consume data?

I'm developing a responsive layout and would like to reduce the size of the images as per resolution. I've used display: none but I've seen in inspetor de elementos that it's loading. Is the data of the two images being consum...
asked on 21.08.2017 / 14:43
2
answers

Problem using 'Google Fonts'

I would like to use a Google source without needing an Internet connection. I saw that @font-face has this power. Just drop the font in one of the formats (I preferred .EOT because it is also accepted by IE Browser) and declare it...
asked on 13.02.2014 / 21:12
2
answers

Divide a String dynamically based on screen size

I'm working on an android app and at some point I get a String from a web-service that is pretty big, and the client wants that String (which will be shown in an EditText ) is divided into multiple parts, forming a pagination type (I thought...
asked on 18.05.2015 / 20:43
1
answer

Laravel 5 and Sql Server

I need a help, I made several attempts to connect Laravel with SQL Server and all without success. However, I was able to run pure php using sqlsrv_connect and Code Igniter. Windows 10 64 bits. Wampserver 2.5 32 bits. PHP version: 5.5.12 (TS,...
asked on 16.11.2015 / 18:58
1
answer

Push android with SNS Amazon

I'm trying to push an android app, but I'm not getting the push in my app. Manifest.xml <?xml version="1.0" encoding="utf-8"?> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> <uses-permission a...
asked on 18.09.2015 / 02:28
1
answer

Continuous integration and agile methodologies

Is continuous integration mandatory related to agile methodologies? My question is: Is it possible to integrate in order to enable continuous delivery even though there is no agile methodology in the team? Obviously it would make it easier...
asked on 19.06.2015 / 19:40