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Rails nested form with has_many :through, how to edit attributes of join model?
...e form generated by Rails is submitted to the Rails controller#action, the params will have a structure similar to this (some made up attributes added):
params = {
"topic" => {
"name" => "Ruby on Rails' Nested Attributes",
"linkers_attributes" => {
"0" =>...
How to delete all files and folders in a directory?
...
System.IO.DirectoryInfo di = new DirectoryInfo("YourPath");
foreach (FileInfo file in di.GetFiles())
{
file.Delete();
}
foreach (DirectoryInfo dir in di.GetDirectories())
{
dir.Delete(true);
}
If your directory may ha...
Easy way to dismiss keyboard?
...y controls and resigning them all as the first responder. I guess the question is.. How would I get the current first responder to the keyboard?
...
What is the difference between & vs @ and = in angularJS
...llo") or it could be an AngularJS interpolated string with embedded expressions (myattr="my_{{helloText}}"). Think of it as "one-way" communication from the parent scope into the child directive. John Lindquist has a series of short screencasts explaining each of these. Screencast on @ is here: ht...
How to get client's IP address using JavaScript?
...ow are all the free active IP lookup services I could find and the information they return. If you know of any more, then please add a comment and I'll update this answer.
Cloudflare
Try it: https://www.cloudflare.com/cdn-cgi/trace
// If your site is on Cloudflare, then you can use '/cdn-cgi/trace'...
How do I correctly detect orientation change using Phonegap on iOS?
I found this orientation test code below looking for JQTouch reference material. This works correctly in the iOS simulator on mobile Safari but doesn’t get handled correctly in Phonegap. My project is running into the same issue that is killing this test page. Is there a way to sense the orientati...
Can I change the color of auto detected links on UITextView?
...y to format the color of auto detected links, or should I try a manual version of this function?
11 Answers
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How to calculate “time ago” in Java?
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@ShajeelAfzal yes, the duration parameter is in millisecond but it's a difference between times not an absolute value. What you are getting is the time which has passed from the 1st of January 1970 the date when the unix timestamp started
...
Javascript : Send JSON Object with Ajax?
... @ShuruiLiu a URL goes in place of "/json-handler" as a 2nd param of the open() method
– Alexandr Nil
Feb 7 '17 at 12:39
|
sh...
How to bind to a PasswordBox in MVVM
...ssword binding issue by simply passing the PasswordBox control itself as a parameter to the command attached to the "Ok" button. So in the view I had:
<PasswordBox Name="txtPassword" VerticalAlignment="Top" Width="120" />
<Button Content="Ok" Command="{Binding Path=OkCommand}"
CommandPa...