By Miguel Grinberg
Take complete inventive keep an eye on of your net purposes with Flask, the Python-based microframework. With this hands-on ebook, you'll research Flask from the floor up by way of constructing a whole social running a blog software step by step. writer Miguel Grinberg walks you thru the framework's center performance, and exhibits you the way to increase functions with complex net suggestions equivalent to database migration and internet carrier communication.
Rather than impose improvement instructions as different frameworks do, Flask leaves the enterprise of extensions as much as you. when you've got Python event, this publication indicates you the way to exploit that inventive freedom.
* examine Flask's uncomplicated software constitution and write an instance app
* paintings with must-have components—templates, databases, internet varieties, and e-mail support
* Use programs and modules to constitution a wide program that scales
* enforce person authentication, roles, and profiles
* construct a running a blog characteristic by way of reusing templates, paginating merchandise lists, and dealing with wealthy text
* Use a Flask-based RESTful API to reveal app performance to smartphones, drugs, and different third-party clients
* methods to run unit exams and increase program performance
* discover recommendations for deploying your net app to a construction server
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Extra resources for Flask Web Development: Developing Web Applications with Python
Calipers are not practical for capturing their subtleties. As an alternative, CMMs first appeared in the early 1960s and are a more practical means for characterizing and inspecting free-form surfaces. A CMM consists of a probe supported on three mutually perpendicular (x, y, and z) axes; each axis has a built-in reference standard. 3 provides a conceptual view of 16 2 Methodologies and Techniques for Reverse Engineering a CMM. The probe allows accurate measurements along each axis relative to the standard.
The high velocity of light allows TOF scanners to make hundreds, or even thousands of measurements per second. The advantage of TOF techniques is that they can digitize large, distant objects such as buildings and bridges. The accuracy of RE hardware based on TOF is reasonable and approximately between a few millimeters and two or three centimeters for long-range scanners. The accuracy depends on the pulse width of the laser, the speed of the detector, and the timing resolution; the shorter the pulse and the faster the detector, the higher the accuracy of the measurement.
Calipers are a common ad hoc approach to RE. These measurement devices allow engineers and machinists to determine accurate diameters, lengths, and other dimensions of objects. This approach to RE is a manual process that requires significant effort for complicated objects and surfaces. CMM technology is the first effort to automate the RE process. Before CMM and probably still popular for most simple tasks, engineers and machinists have used measurement calipers. 2. Then, from these measurements, we could manually lay out a computer model of the brake using CAD primitives.
Flask Web Development: Developing Web Applications with Python by Miguel Grinberg