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difference between iframe, embed and object elements
... when you must have Mixed content.
Mixed content means that when you have https but your resource is from http.
Reference: https://developer.mozilla.org/en-US/docs/Web/Security/Mixed_content
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What does “:=” do?
...B, or sometimes A≜B.
■ http://mathworld.wolfram.com/Defined.html
■ https://math.stackexchange.com/questions/182101/appropriate-notation-equiv-versus
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Spring: how do I inject an HttpServletRequest into a request-scoped bean?
...scoped beans can be autowired with the request object.
private @Autowired HttpServletRequest request;
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How to escape a pipe char in a code statement in a markdown table?
... a | r
------------|-----
`a += x;` | r1
`a \|= y;` | r2
See https://github.github.com/gfm/#example-191 or https://github.com/dotnet/csharplang/pull/743 for an example.
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Django - Circular model import issue
...port apps
YourModel = apps.get_model('your_app_name', 'YourModel')
See: https://docs.djangoproject.com/ja/1.9/ref/applications/#django.apps.apps.get_model
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Long-lasting FB access-token for server to pull FB page info
...rt-lived access token into a long-lived one by making this Graph API call:
https://graph.facebook.com/oauth/access_token?client_id=<your FB App ID >&client_secret=<your FB App secret>&grant_type=fb_exchange_token&fb_exchange_token=<your short-lived access token>
Grab th...
Python and pip, list all versions of a package that's available?
... --no-install, --no-download, --build, and --no-clean are deprecated. See https://github.com/pypa/pip/issues/906. and doesn't show available versions for packages that are already installed.
– int_ua
Mar 24 '15 at 16:22
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How to have Emacs auto-refresh all buffers when files have changed on disk?
...ate buffers whose files have changed on disk with this change alone. From https://www.gnu.org/software/emacs/manual/html_node/emacs/Reverting.html:
By default, Auto-Revert mode works using file notifications, whereby changes in the filesystem are reported to Emacs by the OS. You can disable use...
Making custom right-click context menus for my web-app
...lor: #DEF;
}
<!-- HTML -->
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.js"></script>
<ul class='custom-menu'>
<li data-action="first">First thing</li>
<li data-action="second">Second thing</li...
Bootstrap Dropdown menu is not working
...including bootstrap bundles could be one of the reasons.
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.0/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/js/bootstrap.min.js"></script>
<link rel="styleshe...