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Invoking JavaScript code in an iframe from the parent page
...c.com, and both are using same protocol i.e. both are either on http:// or https://.
The call will fail in below mentioned cases:
Parent page and the iframe page are from different domain.
They are using different protocols, one is on http:// and other is on https://.
Any workaround to this re...
How to link to part of the same document in Markdown?
...any title size using - #, ##, ###, ####
I created a quick example below...
https://github.com/aogilvie/markdownLinkTest
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How do I perform the SQL Join equivalent in MongoDB?
...o the aggregation pipeline is essentially identical to a left outer join:
https://docs.mongodb.org/master/reference/operator/aggregation/lookup/#pipe._S_lookup
From the docs:
{
$lookup:
{
from: <collection to join>,
localField: <field from the input documents>,
...
Does JSON syntax allow duplicate keys in an object?
...
There are 2 documents specifying the JSON format:
http://json.org/
https://tools.ietf.org/html/rfc7159
The accepted answer quotes from the 1st document. I think the 1st document is more clear, but the 2nd contains more detail.
The 2nd document says:
Objects
An object structur...
Test a weekly cron job [closed]
...g unexpected and cause breakage until the bugs are sorted out. (See also: https://stackoverflow.com/a/17805088/237059 )
A general approach to this problem is helpful to have.
One of my favorite techniques is to use a script I wrote called 'crontest'. It launches the target command inside a GNU s...
How can I efficiently select a Standard Library container in C++11?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Bootstrap dropdown sub menu missing
...web right now, especially the mobile web. They will be removed with 3.0" - https://github.com/twbs/bootstrap/pull/6342
But, with a little extra CSS you can get the same functionality.
Bootstrap 4 (navbar submenu on hover)
.navbar-nav li:hover > ul.dropdown-menu {
display: block;
}
.dropdo...
Round to at most 2 decimal places (only if necessary)
...ath.round(+arr[0] + "e" + sig + (+arr[1] + scale)) + "e-" + scale);
}
}
https://plnkr.co/edit/uau8BlS1cqbvWPCHJeOy?p=preview
NOTE: This is not a universal solution for everyone. There are several different rounding algorithms, your implementation can be different, depends on your requirements. ht...
What's the difference between ng-model and ng-bind
...inding.";
});
div input{
width:600px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<head>Diff b/w model and...
Permission denied on accessing host directory in Docker
...ads:/Downloads:z ubuntu bash
See more about host mounts with SELinux at: https://docs.docker.com/storage/#configure-the-selinux-label
For others that see this issue with containers running as a different user, you need to ensure the uid/gid of the user inside the container has permissions to th...