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How to remove a field from params[:something]
... this question was written newer versions of Rails have added the extract! and except eg:
new_params = params.except[the one I wish to remove]
This is a safer way to 'grab' all the params you need into a copy WITHOUT destroying the original passed in params (which is NOT a good thing to do as it ...
How to store arbitrary data for some HTML tags
...n example: links which send an AJAX request to get the content of articles and then display that data in a div. Obviously in this example, I need each link to store an extra bit of information: the id of the article. The way I've been handling it in case was to put that information in the href link ...
MVC which submit button has been pressed
...;/button> for i18n purposes, so the user facing string is customizable, and form element names are never directly exposed to the user (which is odd in and of itself)
– KyleMit
Mar 19 '18 at 16:53
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AngularJS Multiple ng-app within a page
I have just started learning Angular JS and created some basic samples however I am stuck with the following problem.
13 An...
How do I create delegates in Objective-C?
I know how delegates work, and I know how I can use them.
19 Answers
19
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How do I clone a Django model instance object and save it to the database?
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Just change the primary key of your object and run save().
obj = Foo.objects.get(pk=<some_existing_pk>)
obj.pk = None
obj.save()
If you want auto-generated key, set the new key to None.
More on UPDATE/INSERT here.
Official docs on copying model instances: h...
Animated GIF in IE stopping
... not work for me.
After some more research I came across this workaround, and it actually does work.
Here is the gist of it:
function showProgress() {
var pb = document.getElementById("progressBar");
pb.innerHTML = '<img src="./progress-bar.gif" width="200" height ="40"/>';
pb.s...
Can I Set “android:layout_below” at Runtime Programmatically?
...ible when creating a RelativeLayout at runtime to set the equivalent of android:layout_below programmatically?
4 Answer...
Specifying column name in a “references” migration
...want to check out the guide I link for more info on migrations in general, and you may even end up putting calling SQL code directly in your migration. I would say ignore it, as it isn't a normal part of rails, you will get 0 performance out of it, as rails' default generated SQL queries take no adv...
How to get nice formatting in the Rails console
...
The y method is a handy way to get some pretty YAML output.
y ProductColor.all
Assuming you are in script/console
As jordanpg commented, this answer is outdated. For Rails 3.2+ you need to execute the following code before you can get the y...