All Questions

3
answers

How to initialize postgresql with ubuntu?

I have the following problem, every time I turn on my machine, I go to the terminal and give sudo service postgresql status , it always appears 9.3/main (port 5432): down . On other machines I have installed, it starts along with...
asked on 18.06.2014 / 18:48
3
answers

Master-detail in MVC C # with Razor

Personal I need to set up a master-detail master record. I've already researched and seen a few examples on the internet, however as I do for when the master is not registered, the details are stored temporarily for the general save save the mas...
asked on 10.03.2014 / 18:17
3
answers

Why the colon twice? [duplicate]

p::after What does the 2 points serve twice ( :: )?     
asked on 12.12.2017 / 21:33
1
answer

What is the declaration of the string with "" serious underscore in javascript?

I was messing with the Google Chrome console these days and then, as my keyboard was unconfigured, I accidentally typed in the grave accent 'instead of the single quotation marks ' to create a string . The interesting thing is tha...
asked on 10.11.2015 / 20:43
2
answers

Can I market software that uses a GPL license? [closed]

   First of all, I must say that I am not making use of a software under the GPL, but a package where the original source code has not changed, and only use the generated DLL. Say I have in my system a package under GPL as MySql.Data . I...
asked on 16.09.2016 / 01:03
2
answers

What's the difference between using a comparison with = or simply?

Imagine the following scenario. int i = 2; if(i >= 2) { //.... } When we could simply summarize for; int i = 2; if(i > 1) { //.... } My doubts with these two expressions are as follows: When a low-level language interp...
asked on 01.11.2016 / 15:47
3
answers

What best practices when implementing requisitions?

When implementing calls to a webservice I have worked with the following schema: implement a class that extends AsynkTask and within method doInBackground() I make the call to my service. One particularity here is that instead of...
asked on 22.08.2015 / 03:57
2
answers

How to implement a library that has similar features to jQuery?

I would like to create a very simple library containing only the functions I use most, following an idea similar to the ones in jQuery. For example: I created the following function to get an element: var $ = function(el, index){ if(ind...
asked on 29.03.2015 / 01:11
2
answers

Difference between .NET Framework for Entity Framework

I have an Asp.Net MVC project that when clicking properties the following information is displayed: WhenIopenedthefilepackages.configIcouldseethisotherinformation: After all, what exactly is the Target framework ? What is your function...
asked on 01.06.2016 / 20:45
3
answers

Receive array and write multiple rows in MySQL

I have the following form in HTML: <h2>Sessao 1</h2> <input type="text" name="ipl[]" class="span12 "> <input type="text" name="spot[]" class="span12 "> <input type="text" name="energia[]" class="span12 "> <inpu...
asked on 23.10.2014 / 07:17