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Install OpenCV 3.2 Python/C++ on Raspberry PI

05-04-2017 46321 4.8

Raspberry PI is a wonderful system and OpenCV is an outstanding library for computer vision. Here is our how to install and configure OpenCV 3.2.0 for Python/C++ on a Raspberry PI 2 with Raspbian Jessie. On the Net there are many references on this subject, most of them have some missed point or reference to old versions.

A Geshi plugin for CKEditor (4.x)

18-09-2013 135052 1.7

Here is presented a CKEditor plugin for GeSHi. In addiction, It's shown how to extract codeblock from document and manage it with GeSHi.

Leadscrew system

02-11-2005 141525 4.8

Here is presented a leadscrew system (or lead screw), also known as a power screw or translation screw, is a system to translate radial motion into linear motion.

Solve system of linear equations with OpenCV: the 3 point parabola

13-03-2014 53144 4.8

The OpenCV library is one of the most relevant open source library for Computer Vision but it contains some very useful function for linear algebra and matrix manipulation. Here is shown how to use cv::solve function to solve system of linear equation. As real example here is considered the case of parabola passes through 3 points.

How to display an OpenCV image or video in your own MFC interface

02-05-2015 30517 4.9

To display an OpenCV image or video into your own MFC interface in Visual C++ you can use GDI's function but keep care of details.

Standard deviation numerically stable calculation for SQL

17-06-2014 34523 5

Despite of Standard Deviation is one of most relevant parameter of descriptive statistics, it isn't available as common aggregation function for some SQL server. Here is described how to calculate and use standard deviation in a single select query. Finally a better and numerically stable sql procedure is shown.

Compile OpenCV 2.2 under CodeBlocks 10.5 / MinGW on Windows XP

19-01-2011 66947

Howto build and use OpenCV 2.2 + Lib TBB + Lib Eigen with Code::Blocks / MinGW for Windows.

Windows with WebDAV from OpenERP 7.0 over HTTPS/SSL

15-07-2013 28655

This article explains how to access to WebDav of OpenERP 7.0 from Windows, using map network drive. Only OpenERP over HTTPS/SSL is considered here. Using OpenERP over HTTP/8069 it's really discouraged.

How to recover disappeared email from Inbox in Thunderbird

16-04-2013 26489 4.1

This article describes what to do if some or all of your messages disappear when none of solutions form MozillaZine is working. Sometimes, wrong code in "X-Mozilla-Status"  issued by Thunderbird hides all email in a mailbox. This might happens also with recent version of Thunderbird, anyway this article should be applicable to all version of the program because of simple text format of its mailboxes.

Resources, Expenses and TimeSheet in OpenERP 7.0

31-08-2013 26484 2.5

Short guide to human resource management, expense and timesheet of projects with OpenERP 7.0