By Swaroop C H
'A Byte of Python' is a booklet on programming utilizing the Python language. It serves as an academic or advisor to the Python language for a newbie viewers. If all you recognize approximately pcs is the way to shop textual content documents, then this is often the publication for you.
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The Insider's Best-Practice consultant to speedy PyQt four GUI Development
Whether you're construction GUI prototypes or full-fledged cross-platform GUI purposes with local look-and-feel, PyQt four is your quickest, least difficult, strongest resolution. Qt specialist Mark Summerfield has written the definitive best-practice consultant to PyQt four development.
With quick GUI Programming with Python and Qt you'll find out how to construct effective GUI functions that run on all significant working structures, together with home windows, Mac OS X, Linux, and plenty of types of Unix, utilizing a similar resource code for them all. Summerfield systematically introduces each middle GUI improvement approach: from dialogs and home windows to info dealing with; from occasions to printing; and extra. throughout the book's lifelike examples you'll find a thoroughly new PyQt 4-based programming process, in addition to assurance of many new themes, from PyQt 4's wealthy textual content engine to complicated model/view and graphics/view programming. each key notion is illuminated with life like, downloadable examples—all established on home windows, Mac OS X, and Linux with Python 2. five, Qt four. 2, and PyQt four. 2, and on home windows and Linux with Qt four. three and PyQt four. 3.
* Python fundamentals for each PyQt developer: information kinds, information buildings, keep an eye on constructions, sessions, modules, and more
* middle PyQt GUI programming ideas: dialogs, major home windows, and customized dossier formats
* utilizing Qt clothier to layout person interfaces, and to enforce and try dialogs, occasions, the Clipboard, and drag-and-drop
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* profiting from Qt four. 2's new graphics/view architecture
* Connecting to databases, executing SQL queries, and utilizing shape and desk views
* complex model/view programming: customized perspectives, known delegates, and more
* enforcing on-line aid, internationalizing purposes, and utilizing PyQt's networking and multithreading amenities
This publication is a part of the Beginner's advisor sequence. each one bankruptcy covers the stairs for varied initiatives to approach information by way of short clarification of what's taking place in each one job. the reason is by means of a couple of questions about the subject lower than dialogue that would function a refresher path for you.
This booklet covers the main principles that hyperlink likelihood, facts, and laptop studying illustrated utilizing Python modules in those components. the full textual content, together with all of the figures and numerical effects, is reproducible utilizing the Python codes and their linked Jupyter/IPython notebooks, that are supplied as supplementary downloads.
Python 201 is the sequel to my first publication, Python one zero one. in case you already understand the fundamentals of Python and now you must visit the subsequent point, then this is often the ebook for you! This ebook is for intermediate point Python programmers basically. There will not be any newbie chapters right here. This booklet relies onPython three.
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Extra resources for A byte of Python
There are two possible approaches, depending on how you want to treat duplications in the set of values for a key. 3 Discussion A normal dictionary performs a simple mapping of a key to a value. This recipe shows two easy, efficient ways to achieve a mapping of each key to multiple values. The semantics of the two approaches differ slightly but importantly in how they deal with duplication. Each approach relies on the setdefault method of a dictionary to initialize the entry for a key in the dictionary, if needed, and in any case to return said entry.
Andy McKay used to be a Perl developer, by the way. At about the same time that I started at ActiveState, the company decided to use Zope to build what would become ASPN. ). Based on an original design by myself and Diane Mueller, also of ActiveState, Andy single-handedly implemented ASPN in record time, then proceeded to adjust it to ever -changing requirements for new features that we hadn't anticipated in the early design phase, staying cheerful and professional throughout. It's a pleasure to have him as the author of the introduction to the chapter on web recipes.
Acknowledgments Most publications, from mysteries to scientific papers to computer books, claim that the work being published would not have been possible without the collaboration of many others, typically including local forensic scientists, colleagues, and children, respectively. This book makes this claim to an extreme degree. Most of the words, code, and ideas in this volume were contributed by people not listed on the front cover. The original recipe authors, readers who submitted comments to the web site, and the authors of the chapter introductions are the true authors of the book, and they deserve the credit.