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the design of everyday things pdf 2013

The design of everyday things   don norman

The design of everyday things don norman

Tài liệu khác

... common, as do the difficult things. When things are visible, they tend to be easier The Design of Everyday Things real needs of the user? I expected my students to visit the homes of potential ... (VCR) so intimidating. The Psychology of Everyday Things This book is about the psychology of everyday things. POET empha-sizes the understanding of everyday things, things with knobs and dials, ... Rotating the knob with the pictures of the speaker at either side makes the sound come entirely out of the front speakers (when the knob is all the way over to one side), entirely out of the rear...
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Refactoring: Improving the Design of Existing Code pdf

Refactoring: Improving the Design of Existing Code pdf

Kỹ thuật lập trình

... Yet the cumulative effect of these small changes can radically improve the design. It is the exact reverse of the normal notion of software decay. With refactoring you find the balance of work ... this is the section of the book you'll come back to often. In this book I describe the fruit of a lot of research done by others. The last chapters are guest chapters by some of these people. ... modifications to the code. Reducing the amount of code won't make the system run any faster, because the effect on the footprint of the programs rarely is significant. Reducing the amount of code...
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Tài liệu The Design of Rolling Bearing Mountings P2 pdf

Tài liệu The Design of Rolling Bearing Mountings P2 pdf

Kĩ thuật Viễn thông

... reason the brief texts concentrate on the roll-ing bearing aspects of the applications. The operation of the machine allows conclusions to be drawn about the operating conditions which dictate the ... roughening of the surfaces(increased running noise).Bearing dimensioning The size of the bearings is dictated by the shaft diame-ter, which in turn is based on the anticipated vibra-tions. The bearing ... grinding the bearing inner rings and the roll bodyto finished size in one setting at a roll surface tempera-ture of 220 °C .The inner rings and the roll body canbe ground together due to the fact...
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Báo cáo Y học: Monitoring the structural consequences of Phe12 fi D-Phe and Leu15 fi Aib substitution in human/rat corticotropin releasing hormone Implications for design of CRH antagonists pdf

Báo cáo Y học: Monitoring the structural consequences of Phe12 fi D-Phe and Leu15 fi Aib substitution in human/rat corticotropin releasing hormone Implications for design of CRH antagonists pdf

Báo cáo khoa học

... residues. Analysis of the distribution of the electrostatic potential on the surface of the moleculereveals the ampiphilic character of the helix (Fig. 4A).Schematic representation of the charge distribution ... rather helical structure (84% of residues), which isconsidered to be the active conformation of the hormone[38,40]. The changes engineered in the sequence of the peptide, either through the ... imposed by the introduction of the novel residuesin the sequence of the molecule and the differences between the CRH analogue and the native structure [15] are alsodiscussed. The major goal of our...
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The Design of the Borealis Stream Processing Engine pdf

The Design of the Borealis Stream Processing Engine pdf

Kĩ thuật Viễn thông

... improving the latency of the other branch will have no observable effect at the output).In the case that no information is available from the endpoint monitor concerning the source of the problem, then the ... of these metrics is optionallya component of the VM, the end-point monitor can keepstatistics on the components that are in VM. Together with the vector of weights, these statistics allow the ... segments along thesefour dimensions, which indicates the relative importance of each of these components to the end-point QoS. The mostinteresting of these dimensions, lifetime, is the mechanismby...
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The design of mat foundations

The design of mat foundations

Kiến trúc - Xây dựng

... 119 pcf Example 4. Design the steel lying in the East-West direction of the mat shown below with external dimensions of 42 feet by 74 feet. The columns are all 15”by 15”, the LF = 1.6, fc’ ... being designed for a small office building with a total live load of 250 kips and dead load of 500 kips. Find: (a) the depth Dffor a fully compensated foundation, (b) the depth Dfif a soft ... in the x and y values, which these values are found by using the x-y coordinate system off the mat foundation. Determine the average soil reaction. (92.34(78.8)69.8)796avgqpsf++∆==Therefore,...
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Tài liệu The Determinants of Metropolitan Growth pdf

Tài liệu The Determinants of Metropolitan Growth pdf

Đầu tư Bất động sản

... or savings (S) and profits earned in the state ().ã Other variables are determined by forces largely outside of the region and serve to bring money into the state, generating growth and ultimately ... EstateSources of Regional Demand .ã Some variables are determined directly by the size of a state’s economy (Income or Output) : imports (M), Federal Taxes (T), consumption or savings (S) and profits ... growth in activity, level of activityN: national growth of activityã Share: a matter of timingã Mix: Historic industrial structureã Competitive: our companies versus theirs[innovation –vs-...
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Tài liệu Dynamic Reconfiguration of Indoor Combination Networks Through the Use of Patch Panels pdf

Tài liệu Dynamic Reconfiguration of Indoor Combination Networks Through the Use of Patch Panels pdf

Phần cứng

... support for the jacks. The two rear connectors are bridged as the jack acts as a loop with the front connectors 75 Ohm-terminated. When a jack is inserted into any of the front inputs, the corresponding ... devices. The following diagram illustrates how, with the addition of patch panels, an operator can change the ratio of optical nodes attached per upstream input in the CMTS, resulting in the following ... resulting in the following advantages: ã As the ratio changes, there is no effect on the fixed cabling as all the fixed cabling is on the rear side of the patch panelsã Changes can be made without...
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Tài liệu Trên đỉnh núi của động Từ Thức(Over the top of Tu Thuc) pdf

Tài liệu Trên đỉnh núi của động Từ Thức(Over the top of Tu Thuc) pdf

Chụp ảnh - Quay phim

... http://mba-programming.blogspot.com http://mbaprogram.travellerspoint.com/ Page 1 Trên đỉnh núi của động Từ Thức Over the top of Tu Thuc mountain Nga Sơn – Thanh Hóa March 1, 2010 http://mba-programming.blogspot.com...
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Tài liệu PHP: The Good Parts: Delivering the Best of PHP- P9 pdf

Tài liệu PHP: The Good Parts: Delivering the Best of PHP- P9 pdf

Kỹ thuật lập trình

... atan area of code writing that is at the mercy of the skill and logic of the programmer.PHP gives you all kinds of rope, and it’s up to you as the developer not to hang yourself(or others).Function ... syntax, and not just a few times.There is another level of inconsistency that can also trip you up: the position of the parameters in string functions is the reverse of the parameters in array functions ... broad range of speakers.There are a vast number of other PHP resources out on the Web, in blogs, and in bookform. Take some time to look through some of the links that are offered on the websitesmentioned...
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