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Checking images for similarity with OpenCV
... entire research magazines.
I will outline the most common such techniques and their results.
Comparing histograms
One of the simplest & fastest methods. Proposed decades ago as a means to find picture simmilarities. The idea is that a forest will have a lot of green, and a human face a lot of p...
How to find event listeners on a DOM node when debugging or from the JavaScript code?
I have a page where some event listeners are attached to input boxes and select boxes. Is there a way to find out which event listeners are observing a particular DOM node and for what event?
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How to install PyQt4 on Windows using pip?
... sure you grab the correct Windows wheel file (python version, 32/64 bit), and then use pip to install it - e.g:
C:\path\where\wheel\is\> pip install PyQt4-4.11.4-cp35-none-win_amd64.whl
Should properly install if you are running an x64 build of Python 3.5.
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Bash history without line numbers
The bash history command is very cool. I understand why it shows the line numbers, but is there a way I can invoke the history command and suppress the line numbers?
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Code for decoding/encoding a modified base64 URL
I want to base64 encode data to put it in a URL and then decode it within my HttpHandler.
5 Answers
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What .NET collection provides the fastest search
...ection" depends on your specific data size, ordered-ness, cost-of-hashing, and search frequency.
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Get current domain
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just print_r(apache_request_headers()) and you'll understand all :)
– onehalf
Nov 25 '15 at 11:01
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“using namespace” in c++ headers
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and how should we streamline the template functions--which are supposed to be in the headers? typedefs?
– Chris
Mar 11 '18 at 11:43
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Twitter Bootstrap - add top space between rows
...otstrap is a bad idea, because this is a core part of the page scaffolding and you will need rows without a top margin.
To solve this, instead create a new class "top-buffer" that adds the standard margin that you need.
.top-buffer { margin-top:20px; }
And then use it on the row divs where you...
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
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important that you use process.env.PORT and not process.env.port.
– gprasant
Feb 25 '14 at 14:15
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