Most voted "helper" questions
23 questions
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5
votes3
answers22753
viewsError in select using mysqli_query
I made a php to list the rooms, but I’m having difficulty to list them, if anyone can help me, I would appreciate <?php $link = mysqli_connect("localhost","root","","hotel"); $result =…
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4
votes1
answer95
viewsHelp with scroll animation with javascript
I have a vector image <img src="images/first-page/vectors/waves-723178.svg" alt="Imagem vetorial decorativa" class="vector-wave"> and it is positioned to the left of the screen .vector-wave {…
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votes1
answer49
viewsHow to create a Helper for creating Datepicker
I would like to create an MVC Helper for the creation of a Datepicker. Example: @Html.DatePicker();
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3
votes3
answers1950
viewsHow to Fix File Upload Error?
I have the following form: @using (Html.BeginForm("importCSV", "Administrador", FormMethod.Post, new { @id = "upldFrm", @enctype = "multipart/form-data" })) { <input id="file" name="file"…
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votes1
answer530
viewsR - How to calculate the price change from one period to another?
Hello, I would like to know how to calculate the price variation from one period to another. Example: Year | Price 2007 | 25 2008 | 30 2009 | 7 2010 | 15 ... |...|... The new column would be: Year |…
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2
votes1
answer95
viewsHow to install the plotKML package?
I want to install the following package in R http://cran.at.r-project.org/web/packages/plotKML/index.html the following message appears: Error in loadNamespace(j <- i[[1L]], c(lib.Loc,…
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2
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answers46
viewsJoin Separate Fields in a Cell
Guys, I’m doing this code, but I wanted the P.O field to divide into the P.O values, but it only pulls one field, so it does that in the division .... Sub CalcularNotas() ' pl_Respostas.Unprotect…
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1
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answer193
viewsHow to create block helpers in Rails?
I need to create a dropdown menu helper... but I don’t have much idea how to do that. Wanted a block helper, as is done with forms. Ex.: <%= form_for(@teste) do |f| %> <%= f.text_field…
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1
votes1
answer287
viewsMVC Helper Menu
I’m having some difficulty in assembling a Helper to assemble the system menu This is my view @model…
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votes2
answers199
viewsConstruct an unordered list with content_tag
How to build a list containing sublists using the content_tag rails? Using the method in the Helper does not work. <ul class="menu"> <li>Item1 <ul> <li><a…
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1
votes1
answer2499
viewsHow to call controller action?
I have the following code: function confirmaExclusao() { var decisao = confirm("Deseja excluir permanentemente esse item?"); if(decisao == true) { //Chamar a action para excluir } else { //Aqui não…
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1
votes0
answers84
viewsShowing error message
I made the following validations in Model: class Inscricao extends AppModel { public $name = 'Inscricao'; public $useTable = 'inscricoes'; public $validate = array( 'nome' => array( 'between'…
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1
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answers15
viewsUBER API, authentication scope
During Dashboard Uber configuration the privilege scopes are not displayed, but during authentication call to obtain the access token at least one scope is required. The configuration screen always…
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0
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answer64
viewsHow to share methods between presenters in Ruby on Rails 4
I would like to add methods to my model through a Presenter, but some methods are shared among other presenters. Ex: os métodos 'pode_ser_mostrado?', 'pode_ser_editado?', 'pode_ser_excluido?' What…
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answer115
viewsView help typing help c#
I need that when the user type help prints a help text, but this needs to work anywhere in the code and not in some parts. Same as CMD that when someone type help appears all available commands.…
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answers184
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answer198
viewsUsing the Codeigniter Helper (Download_helper)
Good evening! I’m using the function force_download() to download a file. However, I need to do this same procedure, but with downloading several files at the same time. I implemented a code, the…
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answer1273
viewsCSS - Overlay action
Friends I am not very good with CSS or HTML, but I can manage with some things. I am creating my site (https://girundi.com/) just that they need a help: As I created in cargocollective the template…
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answer1402
viewsFinish process by . bat whenever it is started
Good morning! Every time I start the computer beautiful process GWX.exe (the famous process Install the Win10) is executed, it is necessary to go to the Task Manager and finish it. So I created a .…
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answer82
viewsEdit TXT File with cakephp
Guys if possible would like a help to edit a file .txt that is formatted with json_decode(). On the controller went like this: public function index() { $json_str =…
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votes1
answer1522
viewsHow to invert a character array in C?
I have to invert a vector, example: ola = Alo. #include<stdio.h> #include<string.h> #include<bits/stdc++.h> int main() { char c[5]; scanf("%s" ,c); for(int i=5; i>=-1;i--)…
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answer45
viewsCreate a C function, which searches how many times a letter appears in a string
I need to make this function count how many times a letter has been said in the string. However, the result always returns 0. #include <stdio.h> #include <string.h> void contador(char…
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answer149
viewsCalculate the Timetable in C. Financial year
I started programming recently and I’m having trouble solving this exercise: Write a program that reads the departure time (hours and minutes) of a flight, the travel time and the difference in…