Interesting questions
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viewsJavascript function returns wrong Ajax
I’m validating a register with JS. There’s a part like this: ... if( existUser() ){ alert(' Email já cadastrado.'); } else // ok , envia formulario ! The Js function that checks whether the user…
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answer31
viewsHow to filter form options by foreign key? - Django Admin
I need to show only objects that have the same foreign key company in Django in the admin view. What I got was to show only the related objects using get_queryset, but in the form fields appear all…
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answers128
viewsNomethoderror in Users#show
I’m learning Rails, following a book that has the following code: Usercontroller class UsersController < ApplicationController def new @user = User.new end def edit @user = User.find(params[:id])…
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answer130
viewsShow xml nfe tag value in datagridview columns
I have a little problem because I am reading the tags of an xml of Nfe, but I am not able to show in the columns of datagridview, my code is reading the correct tags, but do not notice anything in…
c#asked 8 years, 1 month ago Junior Guerreiro 617 -
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answer5031
viewsConversion of Website or PHP or HTML system to Android and iOS app
What is the best way to 'convert' a website or PHP or HTML system to a Android and iOS app ? I have a PHP Script with DB Mysql and HTML site , and I’ve heard that you can generate the version of the…
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answer194
viewsHow to use a date mask at Angular 10
I have a form in my application where the user can edit various data, including his date of birth. In the edit date field I am using this input: <div class="col-md-6"> <label…
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answer70
viewsValue and ID at Dropdown Waterfall
Reference that can help you understand the code. Dropdown Cascata This part here I pass the values that will be added in the second Dropdown var classesList =…
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answer282
viewsIdentify status of a program with java
Is there any way to identify the status of a program in Windows by searching through the process opened with java? I am looking for a way to map a specific process of an executable to know if it is…
javaasked 9 years, 8 months ago Kelvin Stang Oenning 380 -
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answer226
viewsHorizontal Scroll Bar, selectOneMenu - Primefaces
Good Morning, I am developing an academic project using JAVA EE, JSF, Primefaces, CDI, Hibernete among other technologies... The layout is responsive and I’m using Panelgrid to organize the form…
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viewsValidation form jquery
Well I am validating a form in the service, but I am with some difficulties, I am using the plugin validate of jquery, you know a way in jquery more efficient and more attractive ?
jqueryasked 8 years, 2 months ago Leonardosfarias 21 -
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viewsHow to automatically generate fields in Firebase Cloudfirestorage
I am using Firebase database 'Cloudfirestore', I wonder if it is possible to save the fields automatically, so when adding any new item, do not need to write the name of each field and the value. If…
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answers239
viewsMultiple assignment in Mysql
How to assign multiple values to a table attribute in Mysql? For example a table where a customer can have multiple phones, and in the assignment can be passed the various customer phones at once.…
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answers15702
viewsDifference between private final and private final Static for the use of immutability
An attribute when declared with the modifier Static has the characteristic of "propagating its value" by all instances of the class to which it belongs, that is, its value will be the same for all…
javaasked 11 years, 7 months ago Geison Santos 4,428 -
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answer67
viewsXtrareport - View report but don’t print
I’m using the report builder XtraReport, and using ReportPrintTool to view and then print. However, it was necessary, just visualize, blocking the print. It would be possible? Preview button:…
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answer5270
viewsDistance in meters between two coordinates using Javascript
Can you help me solve a problem? I need to calculate the distance in meters between two GPS coordinates. But I need to do it using pure Javascript. The context of this is that my application needs…
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answer282
viewsAutomatic download of data from an ftp address
Could someone please help me to download data that is found on an ftp whenever I log into my machine (linux Mint) using a shell script? I have tried numerous times, but without success. Asseguir I…
ftpasked 9 years, 6 months ago Albertoafonsojunior 11 -
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answer66
viewsError sending php form
I am with a form that another programmer made and the emails from the site are no longer being sent, I can not find the error, also I am not very good with php. Someone can identify the mistake?…
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answers390
viewsError while running project in android studio
While running my project the following error appeared: Error:com.android.builder.dexing.DexArchiveBuilderException: Failed to process…
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answers92
viewsfread e fseek in c
Write a program using fwrite and fread that asks the user the type of shopping list he wants to create: Bakery or Barbecue. The program must save the items in a text file until the user type 0…
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answers62
viewsModelstate invalida
I have a class called, Colaborador. and the collaborator has a bank. public class Colaborador { public virtual Banco Banco { get; set; } public Guid? BancoId { get; set; } } my problem, is that even…