All Questions

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What are the most common types of databases for web applications?

Some databases store objects, relational structure of tables, hierarchies, etc. What are all these types (models)? When is the application of each one indicated (besides, of course, the developer preference)? Examples of each?     
asked on 16.05.2017 / 22:58
2
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jquery syntax error

Hello, I'm having a problem with using this code. I want to find the following code in the div with class output: I used append, here is giving syntax error, could you help me? > $('.output').append('<li class="canal row"><div class...
asked on 05.06.2017 / 21:11
2
answers

How do I convert a date into the American format in Angular?

I am using a Json answer in Laravel 5, where I use the Angular to be able to display this data. The date in Laravel is returned in 2017-05-17 15:56:46 format. When attempting to use the date filter on the angle, the same thing c...
asked on 18.05.2017 / 14:35
2
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How to make 3 SelectOneMenu nested?

I'm creating a page that has to have 3 SelectOneMenu of primefaces. In the first one I will load a center (of the university), the second will carry a edital and the third would load the disciplines of this edital. The first SelectO...
asked on 07.07.2015 / 05:05
1
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Cordova + Crosswalk

I created a cordova project normally: cordova create myApp com.myapp myApp Then I entered the project folder cd myApp I added the platform: cordova platform add android and added the crosswalk plugin cordova plugin add cordova-p...
asked on 24.07.2016 / 20:13
1
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How popular is a Grid with a list of users using LiveBindings?

How popular is a Grid with a list of users using LiveBindings? Having created a type: TPessoa = class private FId: integer; FNome: string; FDataNascimento: TDate; public property Id: integer read FId write FId; property Nome: st...
asked on 02.03.2015 / 18:35
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How to find out the rendered size of a curve in html5 canvas 2d?

I need to figure out the rendered size of a curve on 2d canvas context.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y); with this code, for example // pontos de controle var cp1x = 200, cp1y = 150, cp2x = 260, cp2y = 10; var x =...
asked on 08.09.2016 / 13:36
1
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QT + OpenCV on Mac OS 10.10.3 com error: symbol (s) not found for architecture x86_64

I recently installed Qt Creator and OpenCv. I was able to quietly compile the separate QT and OpenCv. But I can not compile them together. My .pro file looks like this: #------------------------------------------------- # # Project crea...
asked on 27.06.2015 / 19:27
3
answers

How to sort records in the query according to another sort?

I have a table with the following columns: id - manager_id - value - source - source_id By registering an "Account to Pay", I enter in this table the company's management breakdowns. Assuming that it would have to pay a certain vendor the...
asked on 10.12.2015 / 20:05
1
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How to resolve the java.lang.NoClassDefFoundError error when running rhinit () on R

I am integrating Hadoop with R using Rhipe and my configuration is as follows: Ubuntu 14. Hadoop 1.0.3 R 3.2.2 Rhipe 0.73.1 When you start in the environment R o rhinit() the following message appe...
asked on 18.01.2016 / 21:20