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Deleting rows with MySQL LEFT JOIN
...ed May 4 '10 at 6:26
Daniel VassalloDaniel Vassallo
301k6666 gold badges475475 silver badges424424 bronze badges
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Create a menu Bar in WPF?
...nel>
<Menu DockPanel.Dock="Top">
<MenuItem Header="_File">
<MenuItem Header="_Open"/>
<MenuItem Header="_Close"/>
<MenuItem Header="_Save"/>
</MenuItem>
</Menu>
<StackPanel></StackPa...
Run a callback only if an attribute has changed in Rails
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Rails 5.1+
class Page < ActiveRecord::Base
before_save :do_something, if: :will_save_change_to_status_id?
private
def do_something
# ...
end
end
The commit that changed ActiveRecord::Dirty is here: https://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae...
glob exclude pattern
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Really interesting solution! But my case is going to be extremely slow to make a read twice. Also if the content of a folder is big on an network directory, is going to be slow again. But in any case, really handy.
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How to completely remove a dialog on close
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If you are using a div from the DOM, so not dynamically created, use .empty(). Then you can reuse it, if you fill the contents again offcourse.
– KoalaBear
Jul 15 '13 at 21:14
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Managing relationships in Laravel, adhering to the repository pattern
...kiest part of this setup, for me at least, is determing if Eloquent is actually helping or harming us. ORMs are a tricky subject, because while they help us greatly from a practical point of view, they also couple your "business logic entities" code with the code doing the data retrieval.
This sort...
find filenames NOT ending in specific extensions on Unix?
Is there a simple way to recursively find all files in a directory hierarchy, that do not end in a list of extensions? E.g. all files that are not *.dll or *.exe
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What does 'require: false' in Gemfile mean?
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This means install the gem, but do not call require when you start Bundler. So you will need to manually call
require "whenever"
if you want to use the library.
If you were to do
gem "whenever", require: "whereever"
then bundler woul...
Insert HTML with React Variable Statements (JSX)
... return (
<div className="content" dangerouslySetInnerHTML={{__html: thisIsMyCopy}}></div>
);
}
share
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Random Gaussian Variables
...uller polar method:
public sealed class GaussianRandom
{
private bool _hasDeviate;
private double _storedDeviate;
private readonly Random _random;
public GaussianRandom(Random random = null)
{
_random = random ?? new Random();
}
/// <summary>
/// Obta...