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How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
I'm writing an event-driven publish/subscribe application with NodeJS and Redis. I need an example of how to notify web clients when the data values in Redis change.
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Scroll Automatically to the Bottom of the Page
...ight not scroll. In this case, you need to target the element that scrolls and use it's scroll height instead.
window.scrollTo(0,document.querySelector(".scrollingContainer").scrollHeight);
You can tie that to the onclick event of your question (i.e. <div onclick="ScrollToBottom()" ...).
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Show a PDF files in users browser via PHP/Perl
...n why I use cgi to show the pdf is I want to track the clicks for the pdf, and cloak the real location of the saved pdf.
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Why does the C# compiler not fault code where a static method calls an instance method?
...C# 7.3 (May 2018). In What's new in C# 7.3, the section Improved overload candidates, item 1, it is explained how the overload resolution rules have changed so that non-static overloads are discarded early. So the below answer (and this entire question) has mostly only historical interest by now!
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How can I reference a commit in an issue comment on GitHub?
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To reference a commit, simply write its SHA-hash, and it'll automatically get turned into a link.
See also:
The Autolinked references and URLs / Commit SHAs section of
Writing on GitHub.
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Laravel - Route::resource vs Route::controller
I read the docs on the Laravel website, Stack Overflow, and Google but still don't understand the difference between Route::resource and Route::controller .
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Android: Go back to previous activity
I want to do something simple on android app.
How is it possible to go back to a previous activity.
23 Answers
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List all svn:externals recursively?
...here is an option in the TortoiseSVN installer to also install the SVN command line client. This option is not enabled by default.
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Why do you have to call .items() when iterating over a dictionary in Python?
...f least astonishment, in would also have to take such a tuple as its left-hand operand in the containment check.
How useful would that be? Pretty useless indeed, basically making if (key, value) in C a synonym for if C.get(key) == value -- which is a check I believe I may have performed, or wanted...
How to add Action Bar from support library into PreferenceActivity?
...tivity class for creating activities with Action Bar on older versions of Android.
8 Answers
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