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how to add records to has_many :through association in rails
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@Mischa how should i handle error if House.find(params[:house_id]) is nill.. i got error of TypeMismatch if params[:house_id] is nil.. i already using rescue. but is there any better_way..??
– Vishal
Jul 30...
Insert Update trigger how to determine if insert or update
...ble A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I determine if the trigger is executed for an update or insert.
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Chrome ignores autocomplete=“off”
...erience, Chrome only autocompletes the first <input type="password"> and the previous <input>. So I've added:
<input style="display:none">
<input type="password" style="display:none">
To the top of the <form> and the case was resolved.
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“ArrayAdapter requires the resource ID to be a TextView” xml problems
...ike this:
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
// other attributes of the TextView
/>
If you want your list row layout to be some...
How can I shift-select multiple checkboxes like GMail?
...user can click on one checkbox in the email list, hold down the Shift key, and select a second checkbox. The JavaScript will then select/unselect the checkboxes that are between the two checboxes.
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How to set initial value and auto increment in MySQL?
...d Apr 17 '14 at 5:01
Lahiru Fernando
2566 bronze badges
answered Sep 28 '09 at 6:26
AnatoliyAnatoliy
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Can a foreign key be NULL and/or duplicate?
...als. Suppose further that each proposal only has one sales person assigned and one client. So your proposal table would have two foreign keys, one with the client ID and one with the sales rep ID. However, at the time the record is created, a sales rep is not always assigned (because no one is fre...
Django optional url parameters
...to rename the product kwarg to product_id, you only have to change line 4, and it will affect the below URLs.
Edited for Django 1.8 and above
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Split column at delimiter in data frame [duplicate]
... rename it appropriately (the rename function from the reshape package is handy for doing this on the fly) and then rbind it with the existing data frame -- extra effort to get it inserted in place of the previous single column rather than as the first or last columns ...
– Ben...
How to add ID property to Html.BeginForm() in asp.net mvc?
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This should get the id added.
ASP.NET MVC 5 and lower:
<% using (Html.BeginForm(null, null, FormMethod.Post, new { id = "signupform" }))
{ } %>
ASP.NET Core: You can use tag helpers in forms to avoid the odd syntax for setting the id.
<form asp-controll...