All Questions

1
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How to make an element disappear after it is used?

How to make an element disappear after being used for example:    When clicking on a button it disappears and something like a ListBox appears? Ps1: If the question is confusing, let me know Ps2: If you can tell what to do for the butt...
asked on 11.05.2017 / 13:23
1
answer

How to change a comma, by a point, into a decimal number inside a string

I was trying to do the following: String: ajskjnsjs, eeiisois, 10,98 oismsnsjh; In this case, you just wanted to change the comma of the number by a period , leaving the rest of the string equal. I was using the regexp_...
asked on 05.04.2017 / 00:32
1
answer

How do I toggle the rows of a report with custom Crystal Reports and C # winforms colors?

In the report I'm doing, I've already been able to toggle the colors by doing the following: Menu Access: Crystal Reports - Report - Section Expert Select the section Details and click on the Color...
asked on 22.12.2016 / 18:26
2
answers

Chart of columns stacked in the R

I have a database where variables assume integers from 1 to 5. Here is an example base with the variables X1 , X2 and X3 : base<- rbind( c(5,3,3),c(4,3,2),c(4,5,4),c(1,5,1),c(1,2,1),c(3,4,2), c(2,3,2),c(3,1,3),c(3,2,4)...
asked on 23.03.2017 / 23:55
1
answer

Why use two server-side languages on the same system?

Why do I see many systems with two, up to three programming languages? When I see a system that migrates from one language to another, I even understand, but why do many maintain two or three programming languages? For example, I've seen...
asked on 07.01.2017 / 14:41
1
answer

Function of .pyc files in Python

If the Python language is interpreted, why are there .pyc files that are compiled bytecodes?     
asked on 25.05.2017 / 07:14
2
answers

Delphi Berlin slow after migrating from a Seattle Delphi project

I migrated a project made in Delphi Seattle to Delphi Berlin and it was impossible to work on it since autocomplete started to take about 20 seconds to show some suggestion. How to solve this?     
asked on 14.12.2016 / 20:01
2
answers

Syntax error on another machine

I have a machine in which Python 2.6.6 is installed, in a certain part of a script I make the following command: with open('saida1.txt') as saida: for line in saida: if "]L" in saida: print line In which I search t...
asked on 16.12.2016 / 13:50
2
answers

How to do an Insert getting FORM data in Laravel 5.2?

I'm looking at the Laravel documentation on dbquery, in the insert case. I need to make the insert out of the resource method (manually. Type: DB::table('users')->insert( ['email' => '[email protected]', 'votes' => 0] ); But...
asked on 12.01.2017 / 16:01
1
answer

When to use console.clear?

I was working on my website and installed a plugin, unfortunately the same did not load according to the page, giving several warnings on the console, for each product a warning, ie more than 100 warnings (warnings, not errors), I used console.c...
asked on 12.01.2017 / 14:36