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Simple and fast method to compare images for similarity
...uses histogram matching): http://dasl.mem.drexel.edu/~noahKuntz/openCVTut6.html. The salient point/area detectors are also available - see OpenCV Feature Detection.
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Catch a thread's exception in the caller thread in Python
...tures.as_completed
https://docs.python.org/3.7/library/concurrent.futures.html#concurrent.futures.as_completed
The following solution:
returns to the main thread immediately when an exception is called
requires no extra user defined classes because it does not need:
an explicit Queue
to add an...
How to place two divs next to each other?
...made inline you have to keep no spaces, new lines etc between them in your HTML. Otherwise, browsers will render a space between them. See this Fiddle: you can't manage to keep both divs on the same line unless you put theirs tags without anything in between.
– Alexander Abakum...
vertical divider between two columns in bootstrap
...eft: 1px solid #d7d7d7;
margin-left: -1px;
}
}
}
HTML:
<div class="row">
<div class="col-md-6 col-md-border"></div>
<div class="col-md-6 col-md-border"></div>
</div>
How it works:
The cols must be inside an element where the...
jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
...A, Copy+Paste (via context menu) and Drag+Drop will not work as expected.
HTML 5
With wider support for the HTML 5 standard, we can use pattern attribute and number type for input elements to restrict number only input. In some browsers (notably Google Chrome), it works to restrict pasting non-num...
How do you force Visual Studio to regenerate the .designer files for aspx/ascx files?
...
If you open the .aspx file and switch between design view and html view and
back it will prompt VS to check the controls and add any that are missing to
the designer file.
In VS2013-15 there is a Convert to Web Application command under the Project menu. Prior to VS2013 this option w...
CSS text-overflow in a table cell?
...width: 70%;}
Historical: For IE 9 (or less) you need to have this in your HTML, to fix an IE-specific rendering issue
<!--[if IE]>
<style>
table {table-layout: fixed; width: 100px;}
</style>
<![endif]-->
...
Linux error while loading shared libraries: cannot open shared object file: No such file or director
...ained well at http://tldp.org/HOWTO/Program-Library-HOWTO/shared-libraries.html.
In your case, you might get away with symlinking libpthread_rt.so.1 to libpthread_rt.so. No guarantees that it won't break your code and eat your TV dinners, though.
...
Installing Java 7 on Ubuntu
...z file from https://www.oracle.com/technetwork/java/javase/downloads/index.html.
Extract this file where you want. like: /home/java(Folder name created by user in home directory).
Now open terminal.
Set path JAVA_HOME=path of your jdk folder(open jdk folder then right click on any folder, go to p...
How to save CSS changes of Styles panel of Chrome Developer Tools?
...aths on your system, then edit and save with just ctrl-s.
See: http://www.html5rocks.com/en/tutorials/developertools/revolutions2013/
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