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ActiveModel::ForbiddenAttributesError when creating new user
...
I guess you are using Rails 4. If so, the needed parameters must be marked as required.
You might want to do it like this:
class UsersController < ApplicationController
def create
@user = User.new(user_params)
# ...
end
private
def user_params
pa...
How can I pass an argument to a PowerShell script?
...
Tested as working:
param([Int32]$step=30) #Must be the first statement in your script
$iTunes = New-Object -ComObject iTunes.Application
if ($iTunes.playerstate -eq 1)
{
$iTunes.PlayerPosition = $iTunes.PlayerPosition + $step
}
Call it wi...
How can I restart a Java application?
...ents() will only give you the input arguments passed to the JVM. It misses parameters passed to your application. e.g., java -jar start.jar -MISSED_PARAM=true. On an oracle jvm, you can retrieve those parameters using System.getProperty("sun.java.command").
– Chris2M
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How to build query string with Javascript
... anything built-in to Javascript that can take a Form and return the query parameters, eg: "var1=value&var2=value2&arr[]=foo&arr[]=bar..."
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Watermark / hint text / placeholder TextBox
... {
public object Convert( object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture )
{
// Always test MultiValueConverter inputs for non-null
// (to avoid crash bugs for views in the designer)
if (values[0] is bo...
Microsoft Azure: How to create sub directory in a blob container
... -s . -d \$web --account-name firststgaccount01
//Remove "\" @destination param
az storage blob upload-batch -s . -d $web --account-name firststgaccount01
ThreadStart with parameters
How do you start a thread with parameters in C#?
16 Answers
16
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How to configure socket connect timeout
... /// Connects the specified socket.
/// </summary>
/// <param name="socket">The socket.</param>
/// <param name="endpoint">The IP endpoint.</param>
/// <param name="timeout">The timeout.</param>
public static void Connect(this Socket so...
Difference between applicationContext.xml and spring-servlet.xml in Spring Framework
...nt to pass any input to a particular servlet then you need to pass in init param like below code.
<servlet>
<servlet-name>DBController</servlet-name>
<servlet-class>com.test.controller.DBController</servlet-class>
<init-param>
<param-name&...
Difference between / and /* in servlet mapping url pattern
...therwise have to take care of all its tasks, which is not exactly trivial (JSF utility library OmniFaces has an open source example). This is thus also a bad URL pattern for servlets. As to why JSP pages doesn't hit this servlet, it's because the servletcontainer's builtin JSP servlet will be invoke...