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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
...; 1")
Also, this is a little unrelated but handy. If you want to see how times each combination was found, put .size at the end:
User.select(:first,:email).group(:first,:email).having("count(*) > 1").size
and you'll get a result set back that looks like this:
{[nil, nil]=>512,
["Joe", "...
How do I copy to the clipboard in JavaScript?
...pening windows).
Internet Explorer will show a permission dialog the first time the clipboard is updated.
Internet Explorer, and Edge will scroll when the textarea is focused.
execCommand() may throw in some cases.
Newlines and tabs can get swallowed unless you use a textarea. (Most articles seem to...
How to apply unmerged upstream pull requests from other forks into my fork?
...kub said previously, you can just pull the branch in directly. Most of the time with GitHub, the branch is simply "master" on the requesting User's fork of the project.
Example: git pull https://github.com/USER/PROJECT/ BRANCH
And as a pratical example:
Say you forked a github project called safa...
Passing data to a bootstrap modal
...-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
<h4 class="modal-title" id="myModalLabel">Modal Title</h4>
</div>
<div class="modal-body">
Modal Body
<input ty...
How to remove element from array in forEach loop?
... you don't do that. Since many people are reading those answers, and many times blindly copying answers (especially accepted answers), it is important to note flaws in the code. I think that the reverse while loop is the simplest, most efficient and most readable solution and should be the accepted...
Dynamically load a JavaScript file
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This works. I hope sharing my experience here saves your time because I spent many hours on this. I'm using Angular 6 and applied template (html,css,jquery) The problem is the template has a js file which loads after the html elements are loaded to attach listeners events. That js...
Boolean vs tinyint(1) for boolean values in MySQL
...ool are not the same. Minor point, but your answer tripped me up the first time I read it
– Kyle Chadha
Oct 6 '17 at 19:57
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How to send cookies in a post request with the Python Requests library?
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I've had to utilize this even when using sessions at times. Sessions seem to miss Set-Cookie headers in some situations.
– kervin
Apr 30 '13 at 3:08
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How can I make a WPF combo box have the width of its widest element in XAML?
...with its itemscontainerpanel set to a grid) showing every item at the same time but with their visibility set to hidden.
I'd be pleased to hear of any better ideas that don't rely on horrible code-behind or your view having to understand that it needs to use a different control to provide the width...
recursively add file extension to all files
... This will most definitely provide the desired result 99% of the time. +1
– les
Feb 21 '15 at 13:17
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