Most voted "if" questions
The "if" statement is a control structure in many programming languages that alters the execution flow depending on a binary condition - also known as Boolean logic. This tag should be used when the question is related to the use and/or performance of the "if".
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answer34
viewsFor some reason, when I type in the answer, nothing happens, whoever can help me fix that code, I thank you
For some reason, when I type in the answer, nothing happens, anyone who can help me to fix it, I thank you import java.util.Scanner; public class Main { public static void main(String[] args){…
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answers467
viewsHow do I add 2 (binary)? Python
I want to add 2 to a binary number that the user enters and then add 2 binary values. EX: 111001 - 110001, I make the complement of 2 in the second number and then I make the sum of these values, I…
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answers67
viewsShorten condition that checks if value is one of several possible
Is there any way to shorten the if a == 1 or a == 2 or a == 3 of the code below? a = int(input('Digite um número: ')) if a == 1 or a == 2 or a == 3: print('O Número digitado está entre 1 a 3') else:…
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answer54
viewsCan I set Else to do two things?
I want to make a function in case the name entered is invalid, the program shows that the name is invalid and in addition, close the program or return to the starting point, this is possible in…
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answers619
viewsif error inside if
I have a problem, in my view the logic is correct, however it is not working, I have a select that has to be checked and if it is selected certain option it opens another select, in that other…
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answer59
viewsRange of values to compare
When I ask for a random value on Math.Random() I want him to say whether it was normal, disaster or failure, but I can’t get him to talk normal because I need him to say when he’s over 2 and under…
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answers122
views"SIGSEGV ON THREAD", can someone help me to solve, and also, if possible, to complete the program?
Here’s the thing, I do an info tech, and I’ve been learning C for just two months, and I don’t know much yet. Recently my teacher asked me to make a program in which user entered with two numbers…
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answer112
viewsMissing IF in Procedure
I did the following study, but in the END// appears 'missing if', someone knows why? William helped me with this problem, but every time I try to register, the trial only goes to the last else. I…
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answer286
viewsVBA Module that stores data from one cell and moves it to another cell and moves to the bottom cell
Good evening guys, I created a folder with macro where I have two spreadsheets, Query and games. In the spreadsheet games I put name of games and their respective values in real, already in the…
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answer46
viewsWhich operator should I use in Javascript c:if when I want to be between two variables?
Gentlemen, I need to know which operator to use in c:if of Javascript when I want to make a decision between themselves, for example, I need a background of a Div turned red when it is between the…
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answer16
viewsusing Sox to compare duration of an audio file with a variable
good afternoon. I would like the help of the people. I am writing a scrip to separate songs in function from their duration in seconds using the soxi command of the Sox(apt install Sox) package. I…
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answers128
viewsIf Else Statement problems chained in C language
I’m starting in programming and had enough difficulty to understand If Else in a chained way. I came across the following situation, when running the code only the first or second condition…
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answers7
viewsif Else in assigning a Python variable
I want to understand that "ma" assignment on line 6 and "me" on line 7. I don’t even have a focus on understanding what the code does, I just want to understand this attribution with if I hadn’t…
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answers17
viewsCondition for file name
I need to make the following condition if the file name, which is a . json, has the characters VG, AP or GM pandas: if name_arquivo.str.contains('_VG_') or name_arquivo.str.contains('_AP_') or…
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answers57
viewsif with array listing
I’m getting beaten using arrays, I need to check values and make decisions depending on what I find in the list. id | volume_total | volume_entregue | volume_restante 1 15 10 5 2 10 10 0 My problem…
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answer29
viewsFunctions defined within conditional blocks
I am studying PHP and reading the documentation I came across this example: <?php $makefoo = true; /* Nos nao podemos chamar foo() daqui porque ela ainda não existe, mas nos podemos chamar bar()…
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answer30
viewsI’m trying to write a JS code to test the value of "Very Good" to "Bad " in IQA(Air Quality Index)
The task consists of the following, measuring whether the IQA is good or bad. IQA is a measure of the Air Quality Index. This measurement is done in conjunction with the measurement of two gases:…
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answer34
viewsHow to fill multiple tags in an if/Else using Xquery?
I want to do something like: for $var in $myValueOfVar return if ($var= "X") then <tagA>A</tagA> <tagB>B</tagB> <tagC>C</tagC> else <tagD>D</tagD> }…
ifasked 6 years, 5 months ago WyllianNeo 324 -
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answers489
viewsProblem with parole in React
I’m trying to make a condition where the active component depends on a state variable. this.state = { display: 0, } The state 0 is the initial state, which is changed when the user clicks a button.…
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answer115
viewsProblem using if and Elif Python
I have a problem using the if and the elif to create an extract table taking information from the bank. If in the bank the transaction category is deposit, I want it print in a way, but after he…
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answers189
viewsIF with 2 distinct variables for various scenarios
I’m trying to make a condition in php this way: $Telefone = ""; $Celular = ""; Where: If both empty shows echo sem Telefone e nem Celular If variable Telephone = 222-2222 echo Telefone: 2222-2222 If…
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answer53
viewsWhy are you returning "Invalid Position"?
When I type 3, instead of asking for the Position I want to enter, it returns 'Invalid Option'. Could anyone tell me why? Follow the code: #include<stdio.h> #include<stdlib.h> int…
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answers198
viewsConditional help in SQL WHERE
Come on, guys, I’m putting together an SQL query. In this query, the field SD1010.D1_TES can assume N values, but if this field is equal to empty, I need one more restriction to be applied…
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answers428
viewsReceive various values and print only the 3 largest ones in c
Hello, I have an activity to be done that consists of receiving values and only stop receiving them when typing -1, then the program should display the 3 highest values typed as if it were a ranking…
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answer177
viewsIf function with decimal numbers
I am a designer and an adventurer in programming and eventually adapt some codes in projects. I have a situation here that I couldn’t handle on my own. The following code analyzes the value entered…
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answer194
viewsHow to activate 2 if’s at the same time in Python
I’m making a bot that plays Guitarflash (Guitar Hero browser) alone, only when I need him to press both keys of notes at the same time (I use pyautogui to press the keys and Imagegrab to detect the…
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answer77
viewsDoubt with if and elseif PHP
I’m trying to make an algorithm that divides the value of the function strtotime and aired in minutes, hours. And now I’m trying to put in days, created the variable $datadia, but I’m unable to…
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answers209
viewsDoubts with conditional structure
I have a problem in my conditional structure, where is being displayed all the results of if. What are my difficulties: 1) Why this is occurring? 2) What to do to resolve? Just follow my code: var…
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answer719
viewsCalling functions using buttons
In the code below I created a graphical interface with some buttons, but when I click on the buttons they do not call the function. I didn’t find the error, I ask for help. # Importando a biblioteca…
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answer148
viewsDo Not Show Blank Value with DAX
Good morning guys, I’m trying to create a function on DAX that instead of showing the value Blank on my Dashboard, show the value 0. But my power bi are returning me the following error: **` The…
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answer138
viewsJO KEN PO’s game gone wrong
I’m trying to make a game of jokenpo but it’s gone wrong. from random import choice from time import sleep print('[1]PAPEL\n' '[2]TESOURA\n' '[3]PEDRA') escolha = input('Qual a sua escolha? ')…
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answer217
viewsMYSQL - SUM within IF
Good morning guys! All right? I took a look and found nothing about it... If it’s repeated topic, I’m sorry.. Situation: I need to filter the "conditionals" by status, but these status I define from…
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answer27
viewsI need to compare variables with the lack of information
I am creating a form and need to alert the user when a field is not filled. I am trying to use the if to make this comparison, I have tried to compare with null and it did not work. my code is like…
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answers1373
viewsProgram to read 4 values and show in ascending order
Good evening, I started little to hold on programming, I my teacher passed the following question to be made with selection structures If Else in Java: Build a program to read four values and show…
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answers101
viewsFunction if you change css
Good afternoon! I have a filter on my site that shows certain partners of my company, but whenever I select a filter that has few logos of the partners the Divs are all left. I need a function that…
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answers70
viewsIf running under false condition
Hello, I started today with python. I’m making an algorithm that returns the root of a polynomial (2x -4) by the bisection method: The methods I will use in the main function (biseccon). Since [a.…
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answer117
viewsDoubt involving multiple conditions in an IF using Whiptail(TUI) in Shell Script
I am making a simple configuration file in Shell script with a TUI(Text User Interface) using Whiptail, I need to restrict the user input so that the program accepted as input only a range of…
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answers286
viewsDoubt in a code to calculate the growth of a tree
I am having some difficulties to make this code below work. The statement of the exercise is this: Utopian trees grow in a particular way in two cycles: Each spring doubles its size each summer grow…
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answer355
viewsChatbot respond only when a specific word is contained in the sentence
I’m creating a Chatbot in Telegram that can answer questions from group users. The bot needs a keyword to start chatting. That word would be his name, "Joker". Thus, only when the word Joker is…
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answers55
viewsC++: calculated float does not enter if
Hi, I need help. I’m not getting into the "if" parole with a floating number obtained after an operation. In the code below when I declare the value 0.05 enters the "if", but when I get the 0.05 by…
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answers62
viewsThe display property exchange does not work with if em js
I’m a beginner in javascript, I can’t figure out the right syntax for coding to work. Note: I am trying to make the image toggle every click. HTML) <label id='a'> <img class='cadeira'…
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answer40
viewsNested structure giving error
I’m trying to create a script that reads if the person is older or younger. I would like if for example only 1 person is bigger, it writes '1 person' and not '1 people', but my code is giving some…
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answers65
viewsHow to do an IF/ELSE SQL check
If anyone can help me, I really appreciate... I am beginner and I am not able to develop the following check: If substring (tasks, 9, 1) = S, it should delete only in the Startup tables If substring…
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answer127
viewsCode with if and Else does not work
#include <stdio.h> #include <math.h> #include <stdlib.h> #include <time.h> main() { int n1, n2, n3, n4, n5, ma, mp, mav, mev, dp, p1, p2, p3, p4,…
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answer124
viewsI cannot validate the current computer time with IF ELSE, on Dart
I’m trying to do a validation on Dart, where my function timevalider() has a variable of type dynamic, where he fits in with what I put in. I’m doing the following assignment time = new…
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answer799
viewsHow do I use if inside the for, without the outside if appearing?
printf("\nDigite o usuario que deseja pesquisa, pela Matricula: \n"); gets(strL); busca=atoi(strL); for(i=0; i<quant; i++) { if(busca==dados[i].matricula) { printf("Aluno: %d\n",i); printf("Nome:…
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answers39
viewsDecrease quatity of "if"
Hello ! I made a Java code to answer an exercise and was curious to decrease the amount of "if" in order to improve the code,who can help. The questionnaire calls for. Develop a program that reads…
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answers116
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answer530
viewsReduce the amount of if in Javascript
I’m building an app on the bird site. Inside the site will have an article informing the possible genetics that will be generated through a mating of two different breeds. Example: Ring Neck -…
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answer44
viewsHELP ME If Condition in a Maskedtextbox
Guys, I know this site is very famous because the community is SUPER charitable and kind. Help me with this: I can’t get a Messagebox to show when I leave my Maskedtextbox blank. I formatted it to…