Mon premier blog

Mitch Lacey: The Scrum Field Guide: Practical Advice for Your First Year

Thousands of IT professionals are being asked to make Scrum succeed in their organizations-including many who weren't involved in the decision to adopt it. If you're one of them, The Scrum Field Guide will give you skills and confidence to adopt Scrum more rapidly, more successfully, and with far less pain and fear. Long-time Scrum practitioner Mitch Lacey identifies major challenges associated with early-stage Scrum adoption, as well as deeper issues that emerge after companies have adopted Scrum, and describes how other organizations have overcome them. You'll learn how to gain "quick wins" that build support, and then use the flexibility of Scrum to maximize value creation across the entire process. In 30 brief, engaging chapters, Lacey guides you through everything from defining roles to setting priorities to determining team velocity, choosing a sprint length, and conducting customer reviews. Along the way, he explains why Scrum can seem counterintuitive, offers a solid grounding in the core agile concepts that make it work, and shows where it can (and shouldn't) be modified. Coverage includes * Getting teams on board, and bringing new team members aboard after you've started * Creating a "definition of done" for the team and organization * Implementing the strong technical practices that are indispensable for agile success * Balancing predictability and adaptability in release planning * Keeping defects in check * Running productive daily standup meetings * Keeping people engaged with pair programming * Managing culture clashes on Scrum teams * Performing "emergency procedures" to get sprints back on track * Establishing a pace your team can truly sustain * Accurately costing projects, and measuring the value they deliver * Documenting Scrum projects effectively * Prioritizing and estimating large backlogs * Integrating outsourced and offshored components Packed with real-world examples from Lacey's own experience, this book is invaluable to everyone transitioning to agile: developers, architects, testers, managers, and project owners alike.

International Correspondence Schools: Steam Engine Design and Mechanism

An Unabridged, Digitally Enlarged Printing With All Figures, Including, But Not Limited To: STEAM ENGINE MECHANISM - Elements Of The Steam Engine - The Four-Link Slider Crank - The Plain Slide-Valve Engine - The D Slide-Valve And Steam Distribution - Relative Position Of Valve And Piston - Effects Of Lap - Lead - Positions Of Eccentric For Opposite Directions Of Rotation - Rocker Arms - Dead Centers - Clearance - Real And Apparent Cut-Off And Ratio Of Expansion - Corliss Valve Gear - Relative Motions Of Piston, Crank, And Valves - STEAM ENGINE DESIGN - Data And Calculations - The Boiler Pressures For Different Types Of Engines - Economical Ratio Of Expansion - Piston Speed - Clearance - Engine Calculations - Back Pressure And Point Of Exhaust Closure - Calculations For Simple Non-Condensing Engine - Calculations For High-Speed Automatic Cut-Off Engine - Hoisting And Locomotive Engines - Cylinders And Steam Chests - Steam Ports And Passages - Engine Shafts And Cranks - Crankpins For Overhung Crank - Hollow Pistons - Built Up Pistons - Solid Pistons - Marine Pistons - Piston Packing - Piston Rod - Connection Of Rod To Piston - Proportions For Connecting Rods (Solid And Open) - Strap-End Connecting Rod - Crossheads - Valves, Valve Steams, And Eccentric Rods - Eccentric Sheaves And Straps - Stuffing Boxes - Engine Flywheels - Calculations For Built-Up Flywheels - Flywheel Rim Joints - Stress In Rim Flange, And In Bolts Fastening Arm To Rim - Engine Frames, Or Beds - Examples Of Engine Proportions With Tables -

Ada Palmer: Too Like the Lightning

Mycroft Canner is a convict. For his crimes he is required, as is the custom of the 25th century, to wander the world being as useful as he can to all he meets. Carlyle Foster is a sensayer--a spiritual counselor in a world that has outlawed the public practice of religion, but which also knows that the inner lives of humans cannot be wished away. The world into which Mycroft and Carlyle have been born is as strange to our 21st-century eyes as ours would be to a native of the 1500s. It is a hard-won utopia built on technologically-generated abundance, and also on complex and mandatory systems of labelling all public writing and speech. What seem to us normal gender distinctions are now distinctly taboo in most social situations. And most of the world's population is affiliated with globe-girdling clans of the like-minded, whose endless economic and cultural competion is carefully managed by central planners of inestimable subtlety. To us it seems like a mad combination of heaven and hell. To them, it seems like normal life. And in this world, Mycroft and Carlyle have stumbled on the wild card that may destablize the system: the boy Bridger, who can effortlessly make his wishes come true. Who can, it would seem, bring inanimate objects to life...