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jQuery find parent form
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see also jquery/js -- How do I select the parent form based on which submit button is clicked?
$('form#myform1').submit(function(e){
e.preventDefault(); //Prevent the normal submission action
var form = this;
// ... Handle form submission
});
...
ActiveRecord, has_many :through, and Polymorphic Associations
...w you do exactly what you're looking for.
class Widget < ActiveRecord::Base
has_many :widget_groupings
has_many :people, :through => :widget_groupings, :source => :grouper, :source_type => 'Person'
has_many :aliens, :through => :widget_groupings, :source => :grouper, :sourc...
How to output a comma delimited list in jinja python template?
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Just fyi, you might need to make this an if/else based on your settings. More info. can be found here: github.com/pallets/jinja/issues/710
– Paul Calabro
Sep 19 '17 at 23:24
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PL/SQL, how to escape single quote in a string?
...cularly useful when I have to create a number of insert/update statements based on a large amount of existing data.
Here's a very quick example:
Lets say we have a very simple table, Customers, that has 2 columns, FirstName and LastName. We need to move the data into Customers2, so we need to ...
Is it possible to await an event instead of another async method?
...iest answer is often TaskCompletionSource (or some async-enabled primitive based on TaskCompletionSource).
In this case, your need is quite simple, so you can just use TaskCompletionSource directly:
private TaskCompletionSource<object> continueClicked;
private async void Button_Click_1(obje...
SQL JOIN - WHERE clause vs. ON clause
... @JamesHutchison It's tough to make reliable performance generalizations based on observed behaviors like this. What was true one day tends to be wrong the next, because this is an implementation detail rather than documented behavior. Database teams are always looking for places to improve optimi...
Converting Symbols, Accent Letters to English Alphabet
...s before you even go onto consider the Cyrillic languages and other script based texts such as Arabic, which simply cannot be "converted" to English.
If you must, for whatever reason, convert characters, then the only sensible way to approach this it to firstly reduce the scope of the task at hand....
How can I copy the output of a command directly into my clipboard?
... doesn't work for command output tho - e.g. pbcopy < git merge-base master some-branch
– Ben
Sep 17 '14 at 21:29
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Doing a cleanup action just before Node.js exits
...en a module that does all this, github.com/jtlapp/node-cleanup, originally based on the cleanup.js solution below, but greatly revised based on feedback. I hope it proves helpful.
– Joe Lapp
Dec 27 '16 at 5:45
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What is the Objective-C equivalent for “toString()”, for use with NSLog?
...escription function, then just description will be called.
Note that the base class NSObject does have description implemented, but it is fairly bare-bones: it only displays the address of the object. This is why I recommend that you implement description in any class you want to get info out of, ...