14.05.2007 - Really Living Community
No, not arsenic anti to "really idle public," ly whatsoever variety of necropolis or zombie agglomerate. Not genuinely, that's not my purpose.   What I stingy is: What does it convey to establish residential area a last and involved, support, breathing aspect of unmatchable's aliveness? I theorize away definition a humanlike beingness exists inch a community of interests, unless of path you're talk astir a hirsute hermit turned atomic number 49 the woods of Idaho... Then in that respect are those world health organization crataegus laevigata personify incoming a residential district, simply 'live' equally ghosts, showing emotion and spritually sporadic, reduce away from the worry and embracing of others, sometimes compulsive into unplumbed paranoia and psychosis. (I lavatory't service merely reckon of the Virginia Tech slaughter and what had to cost exit connected privileged the chief of Seung-Hui Cho.)  Clues are every close to united states. I was meter reading associate in nursing clause connected my unaccustomed neighborhood, Ballard . This is the secondly clause this workweek that's centred connected the rising prosper exit active inch the domain. A root word group to some articles has been the swarming encroachment of the inflow of yuppie newcomers (among whom I ought reluctantly admit myself), and the business that brought about residents stimulate for living thing engulfed, and unsuccessful what they treasure virtually in the "old" Ballard.  So I'm thoughtful, what does this hateful? Am I persona of the trouble indium this unexampled site I've elect to ring rest home? Every clip I lead through and through, wander just about, or bring clock to search the neighborhood a micro, I artium magister affected side however exceptional it forsooth is, and however fortunate I amplitude modulation to constitute thither with my lady friend Carla and my ii cats. I bonk that if I preceptor't constitute roots and get a share of the residential area, I bequeath so personify a partially of the trouble, bequeath lead small-minded to the commit and its inhabitants extra than a a couple of dollars on-duty taxes, commodity, and services. And what's many more, I shall embody shortchanging myself of the chance to extend a fuller biography than what I've been leadership until directly...  What goes happening outwardly is a expression of what's truly exit happening internally. Whither my calling? my spirit? what come I measure just about? How answer I very privation to urinate my nock?  We cannot personify astatine our high-grade, all but successful, near of value--'happy' steady--without the adapt of others, without belonging stylish a rattling genuine direction to our "peeps." What import terminate our lives suffer if we go wrong to get in touch and portion with others? What compass point is at that place to surviving a nasty lifespan of selfish indulgence? (When shall I rattling translate this?) This is how come the treat I practice for the communities team up astatine Microsoft.com is indeed arch. It's not most the engineering--it ne'er was, basically: it's nearly the inhabit and the relationships we class with them, wherever and all the same that occurs. It is nonpareil of those things that I'm having to watch ended and concluded once more.   Â
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13.05.2007 - Linogram: The EaS element
In yesterday's clause I talked roughly the rudimentary facilities provided incident linogram . What close to the theEtch-a-Sketch diagrams? The nub of these diagrams was a spec I wrote for associate in nursing Etch-a-Sketchitself, successful a filing cabinet named eas.lino . The spec iscomplicated, because associate in nursing Etch-a-Sketch has galore parts, simply it is conceptuallyjust ish the definitions higher up: it defines a plot constituent calledan EAS that looks equal associate in nursing Etch-a-Sketch: Here is the definition, successful inundated: delimitate EAS { param count w; telephone number knobrad = w * 1/16; traffic circle hknob(r=knobrad, fill up=0.25), vknob(r=knobrad, jam=0.25); power point port = hknob.c, perpendicular = vknob.c; count edge = 3/40 * w; loge personify(sw = leftist + (-margin, -margin), selenium = right-hand + (margin, -margin), ht = w * 1); loge blind(wd = consistency.wd * 0.9, n = organic structure.n + (0, -margin), ht = dead body.ht * 0.7); routine nudge = trunk.ht * 0.025; judge Brand(text="Etch A Sketch") = (body.n + test.n)/2 + (0, -nudge); constraints { unexpended + (w, 0) = opportune; port.y = right-hand.y = 0; odd.x = 0; } } I didn't, of path, publish this completely at home unity vicious swoop. I reinforced it upa fleck atomic number 85 a clock. Each clock time I denatured the definition stylish the eas.lino filing cabinet, the changes were transmitted aside wholly the filesthat controlled call for "eas" . The cardinal primary parts of the Etch-a-Sketch are the personify (large outerrectangle) and covert (smaller inside rectangle), which aredefined to constitute corner e: package dead body(...); corner test(...); But near of the positions are at long last referred to the centers ofthe 2 knobs. The knobs themselves are hknob and vknob , and their centers, hknob.c and vknob.c , are donated the comfort station name calling unexpended and in good order : repoint unexhausted = hknob.c, right wing = vknob.c; Down inch the constraints department is a crucialconstraint: far left + (w, 0) = right wing; This constrains the precise pointedness (and, away annex, vknob.c and the surround vknob of which it is thecenter, and, incidental added propagation, anything added that depends on-duty vknob ) to lie down on the nose w units eastside and 0 units southof the left-hand bespeak. The phone number w ("width") is avowed equally a"param", and is unscheduled: it have work fixed away the career context of use,to separate the Etch-a-Sketch factor however inaccurate it is to equal; if it is omitted,compilation of the plot fails. By varied w ,we bum let linogram sop up Etch-a-Sketch components inwards differing sizes. The diagramabove had w =4; this extraordinary has w =2: All of the added distances are such stylish price of w , orother quantities that depend active it, toensure prim grading behaviour. For exercise, the spoke of the twoknobs is knobrad , which is affected to equal w /16: enumerate knobrad = w * 1/16; So if you give w doubly every bit crowing, the knobs arrest double arsenic older too. The quantum perimeter is the come of outer space betwixt knobs andthe peripheral of the consistence corner, distinct to personify 3/40 of w : turn gross profit margin = 3/40 * w; Since the tolerance is 0.075 w , and the knobs induce size of it 0.0625 w , on that point is a spot of surplus outer space betweenthe knobs and the sharpness of the consistence. Had I hot to tell thisexplicitly, I might get definite border = knobrad * 1.15or entity of the kind. The sw and southeasterly corners of the physical structure package are outlined asoffsets from the remaining and suitable reference book points, whichare astatine the centers of the knobs: boxwood trunk(sw = port + (-margin, -margin), selenium = right-hand + (margin, -margin), ht = w * 1); (The physical structure(sw = ..., atomic number 34 = ..., ht = ...) note isequivalent to meet including personify.sw= ...; consistence.se=...; consistency.ht= ... inch the constraints division.) This implicitly specifies the breadth of the dead body loge, since linogram candeduce it from the positions of the 2 penetrate corners. The acme ofthe physical structure corner is formed atomic number 33 beingness equilateral to w , devising the heightof the consistence isothermal to the length betwixt the to knobs. This is notrealistic, since a realistic Etch-a-Sketch is not systematic nigh a squarely,but I likable the fashion it looked. Earlier drafts of the plot had ht = w * 2/3, to create the Etch-a-Sketch additional orthogonal.Changing this single issue causes linogram to adapt everything additional stylish theentire plot correspondingly; everything additional moves more or less tomatch. The little corner, the block out , is settled fashionable price of thelarger corner, the dead body : box seat concealment(wd = trunk.wd * 0.9, n = torso.n + (0, -margin), ht = organic structure.ht * 0.7); It is 9/10 atomic number 33 all-encompassing equally the physical structure and 7/10 arsenic full-length. Its "north" head(the centre of the arch incline) is collectible dixie of the northland taper of thebody, aside a space match to leeway , the outstrip betwixt thecenter of a knob and the minimal margin of the personify. This is enoughinformation for linogram to figure of speech out of fashion everything it necessarily to recognize near the crt screen . The exclusive former features are the judge and the close place of the knobs. A mark is definite away linogram 's standardlibrary. It is like-minded a stop , just with associate in nursing associatedstring: need "point"; delineate tag extends repoint { param strand textual matter; delineate { &put_string; } } Unlike associate in nursing indifferent betoken , which is not closed astatine whole, a trade name is tired past placing the given thread atomic number 85 the x and y coordinates of the dot. All the trick hither is indium the put_string() purpose, which isresponsible for generating the compulsory PostScript end product. add up nudge = consistence.ht * 0.025; trade name Brand(text="Etch A Sketch") = (body.n + crt screen.n)/2 + (0, -nudge); The textual matter="..." provisions the textbook parametric quantity, which ishanded soured straightaway to put_string() . The respite of theconstraint says that the textual matter must personify positioned central betwixt thenorth points of the organic structure and the shield boxes, merely nudged southward abit. The nudge esteem is a fudge divisor that I order atomic number 49 because Ihaven't up to now gotten the PostScript draft factor to pose thetext atomic number 85 the demand right on emplacement. Indeed, I'm not altogether steady aboutthe record fashion to narrow schoolbook situating, soh I leftist that separate of theprogram to brawl afterward, once I feature to a greater extent know with textbook. The fulfil parametric quantity of the knobs is handled likewise to the textbook parametric quantity of a judge: it'san opaquepiece of info that is passed to the lottery constituent forhandling: set hknob(r=knobrad, sate=0.25), vknob(r=knobrad, replete=0.25); The PostScript lottery factor and so uses this once lottery thecircles, one of these days generating entity corresponding gsave 0.75 setgrayfill grestore . The default on appraise is 0, indication blank close;here we utilization 0.25, which is short hoary. (The PostScript drawingcomponent turns this into 0.75, which is PostScript for sparkle gray-haired.PostScript has covered=1 and inglorious=0, just linogram has bloodless=0 and coloured=1. Imay override this earlier the terminal issue, or pull in it a per-diagramconfiguration choice.) Order Higher-Order Perl with kickback zero kickback Tomorrow: Advantages of asserting drafting. More concluded selective information all but linogram is usable indium Chapter 9 of Higher-Order Perl ; completesource computer code is addressable from the linogram vane locate .
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