Interesting questions
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answers225
viewsLogic test inside the Python array
In the R I can have this structure var1 <-TRUE var2 <-FALSE paste0("ANO_544, SEMANA", if(var1 == TRUE){", COD_NEGOCIO"}, if(var2 == TRUE){", CATEGORIA"}, ", MODULADO") And I got an answer:…
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answer420
viewsBrowse an array of JSON objects in Android Studio
I receive the following JSON link [{"ProdutosidProduto":"1","Produtostipo":"mp","Produtosmodelo":"F540 2 BAN.PNEU. 100 X…
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answers73
viewsDisplay input depending on login - PHP
Good afternoon, I have a form with some inputs, want to display only 1 input each login when logged in to the system, I thought to use IF and ELSE, but I can’t use it, someone can help me? I’m…
phpasked 6 years, 7 months ago Samuel Verissimo 17 -
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answers6514
viewsMask in input field
Hello I have an input where I enter a currency value of R$1,000.00, I want the field to have a mask to help the user fill in, but I want javascript not to take the value with the mask, but without…
javascriptasked 9 years, 10 months ago abduzeedo 753 -
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answers16
viewsError with Bufferstrategy (Java)
Well, I’m new to Java and I was studying rendering and buffers until I came across the following mistake: Exception in thread "Thread-1" java.lang.IllegalStateException: Component must have a valid…
javaasked 5 years, 8 months ago Ramsés De Oliveira 11 -
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answer580
viewsHow to fix a website’s indexing on Google
I have a site that is already indexed by Google, but as I already posted at the address when the site was still in tests, Google indexed some results like broken Urls, test pages, wrong…
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answer812
viewsHow does GET work with AJAX?
I have a pageant AJAX that is working, actually without working better, I’m trying to understand how the AJAX works with the url for paging to work properly. What happens is that in normal…
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answer2004
viewsCall Action via javascript
Good afternoon, I need help with a problem until simple, but it’s knocking me down. I need to call a controller method and pass two parameters to it, I did something, but it’s not working, someone…
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answer21
viewsHow to use while to catch all lines
Hello, I want to take all the lines of the DB with the while instead of putting one by one and they turn variable according to the line of the db <?php $link = mysqli_connect($dba['host'],…
phpasked 5 years, 6 months ago Victor Brito 3 -
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answers304
viewsReset all fields (input, textarea) of the html page
How can I make that through a button all the textarea of the page has its content deleted?
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answers90
viewsHow do I make an incremental backup script in a postgresql database?
I would like to know how to make a script . sp1 to make a daily incremental backup? Gratitude!
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answer309
viewsReturn of python file read function
I did this snippet of code to read through a loop the contents of the list files. lista_nome_base_docs = ['a.txt', 'b.txt', 'c.txt'] tamanho = len(lista_nome_base_docs) print (tamanho)…
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answer647
viewsSelect data from a spreadsheet
I read data from a spreadsheet using Python 3 libraries (xlrd / xlsxwriter / Pandas and Numpy). This spreadsheet has in the rows questions of the survey and in the columns the areas that answered…
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answer254
viewsGet dynamically created Checkbox values
Developing a python application using the Flask framework for simple registration I have the following problem, I have a register of bids and these bids can have several categories, the categories…
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answers147
viewsHow do I turn a class into a clickable text?
Here’s the class I wanted to turn into a clickable text <li class="content__container__list__item">Select a Language !</li> I hope someone tells me how I can do this!…
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answer17
viewsERROR C++ IVALID OPERANDS TYPES 'FLOAT' and 'FLOAT' to Binary 'Operator+'
#include <iostream> #include<stdio.h> #include <stdlib.h> using namespace std; /* run this program using the console pauser or add your own getch, system("pause") or input loop */…
c++asked 5 years ago Henrique Ianni Silva 1 -
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answer89
viewsUse only one parameter
Hello, it is possible to use only one parameter of a function? My problem is I have a Function oUtils.CarregarListaDominioAnalise(Session("idioma"), lst_cdocorrencia, 30, True, "", "") In which…
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answer543
viewsShortcut to create structure for a React component in Vscode
I wonder if there is a shortcut in Vscode to automatically create the structure of a type component: const { render } = require("react-dom"); import React from 'react'; import Time from './Time';…
reactasked 5 years, 11 months ago Tiago Almeida DEVELOPER 1 -
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answer148
viewsSprint boot + angular application in WAR, where to start?
People need to do an application in Spring boot for college and like where I can start, some tutorial tip...
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answers35
viewsOperation I/O 'Block' loop?
Greetings friends, I come here to ask for help in relation to doubt about the operations of Request and with the operation Open. As far as I know and read, the operation file_request =…