All Questions

2
answers

Base64 file extension

I'm doing a REST service and need to get an image by base64, but the image can come with any extension, such as jpg , png , gif , etc. How to identify this extension and proceed with the recording? The code looks like this:...
asked on 19.10.2016 / 14:12
2
answers

How to leave the opacity of a dark image and appear the text of the figcaption in the hover?

Hello, I'm trying to make the image dark and the text appear when I hover over it. Can anyone help me? <div class="efeito"> <figure> <a href="#" target="_blank"><img src="comunica.jpg" ></a> &l...
asked on 27.10.2016 / 17:05
1
answer

jquery.inputmask mask with values in real currency

I'm using the jquery.inputmask plugin for various mask types in the imputs of my application and even for formatting coins . I'm using the following custom rule: <script> $(function() { $("#money").inputmask('decimal',...
asked on 13.10.2016 / 20:49
1
answer

Doubt regarding float field query (ruby on rails with mysql)

Hello, I have a question regarding a database with rails. If I declare a field is "float", when I do the query, do I need to use ".to_float" for the rails to understand the type of this field? For example, in this calculation: def se...
asked on 06.10.2016 / 14:36
1
answer

How to use login in different areas in asp.net mvc

I'm creating an application, where it has more than Area , which is restricted. (as shown in the image below). Myquestionishowtologinindifferentareas?Details:SincetheusersintheAdminareaandintheSystemareaaredifferent,each   oneissavedto...
asked on 04.11.2016 / 19:27
1
answer

How to set up an app to launch on Google play and the Apple Store

I am developing an App using Ionic / Cordova and I had some doubts, they are: I need to do some specific configuration in my file Package.Json so you do not have future problems when generating a update it on Google Play or the Ap...
asked on 04.10.2016 / 15:41
1
answer

Return modified object

I have the following problem, according to the didactic example below: #include "b.h" #include "c.h" class A { public: int start(); private: B b; C c; i...
asked on 22.10.2016 / 23:43
2
answers

Change the quality of online video?

How do sites like YouTube and Facebook offer different qualities for upcoming videos? Is there any specific tool / code to change the quality of videos, or do they encode and save video files in different formats? 360p, 480p, 720p, 1020p ... How...
asked on 13.10.2016 / 15:44
1
answer

How to change the form's buttons (minimize, maximize and close)

I have a project in Delphi 2010 where I would like to change the icons for the Minimize , Maximize , Close which are represented in the image below: The icons I want to use have been created by me, so I do not want to change them...
asked on 25.10.2016 / 12:43
1
answer

Select that compare sets of column values from two tables

Sirs, First, I have 2 tables Table 1: ID L1 L2 L3 L4 L5 ------------------------------------ 1 a c e g i 2 a c d g i 3 l n p r t Table 2: ID L...
asked on 27.09.2016 / 21:50