Physics becomes concrete, impressive, and fun when we compute it numerically and visualize the process by graphics. Computational physics are primarily about numerically solving three types of partial differential equations (PDEs), namely hyperbolic, parabolic, and elliptic PDEs, which respectively correspond to advection (wave) equations, diffusion equations, and Poisson’s equations.
In one-dimensional case, an advection equation takes the following form:
|
| (1) |
where c is a constant. A natural choice of differencing scheme for the above equation is
|
| (2) |
which however is unconditionally unstable (tested by me numerically. the stability analysis can prove that the above scheme is unconditional unstable[2]). The Lax-Friedrichs scheme modifies the above scheme to the following form:
|
| (3) |
which is stable if the CFL condition is satisfied. However this scheme introduces heavy damping in the solution, as is shown in Fig 1. The Lax-Friedrichs scheme is an explicit scheme. Let us try implicit schemes. One natural choice of implicit scheme is of the following form:
|
| (4) |
which is called the Crank–Nicolson implicit scheme. An implicit scheme usually requires that an linear equations system be solved because the unknown future values are usually coupled together. The scheme (4) can be organized in the following form
|
| (5) |
which is a traditional equation system. Figure 1 compares the results calculated by the Lax-Friedrichs scheme and the Crank–Nicolson scheme, which shows that no damping is introduced by the Crank-Nicolson scheme.
A wave equation in one-dimension takes the following form:
|
| (6) |
which is a second order differential equation and can be written as two coupled advection equations. Define a new function ξ by
|
| (7) |
Then Eq. (6) can be written as
|
| (8) |
which can be simplified as
|
| (9) |
Equation (7) and (9) are two couple advection equations.
For Maxwell’s equation in one-dimension case, there are two independent TEM modes, one of which is described by
|
| (10) |
|
| (11) |
where c = 1∕ is the speed of light in vacuum. In an electromagnetic wave, Ez is c times of Bz in SI units. To make the two variables in the above equation takes similar magnitude, define Ez = Ez∕c. Then using (Ez,By) as variables, the above equations are written
|
| (12) |
|
| (13) |
Similar to the case of advection equation, the following simple differencing scheme for the vacuum TEM equations (12) and (13):
|
| (14) |
|
| (15) |
is unstable (tested numerically by me). The Lax scheme modifies the above scheme to the following form:
|
| (16) |
|
| (17) |
I tested this and found it induces heavy damping as it does in the case of advection equation.
Let us try the Crank-Nicolson implicit scheme:
|
| (18) |
|
| (19) |
The above differencing scheme can be organized in the following form:
|
| (20) |
|
| (21) |
which is a linear equation system for (Byi(n+1),Ezi(n+1)) with i = 1,2,…Nx, where Nx is the number of grids in the x direction. This linear system is solved by using LU decomposition of the coefficient matrix (the LU decomposition can be viewed as the matrix form of Gaussian elimination.). The evolution of the wave form calculated by this scheme is plotted in Fig. 2.
The stencil used in the explicit, implicit, and Crank–Nicolson implicit method is given in Figure (3).
This part is to be continued.
Poisson’s equation is written
|
| (22) |
where S is a known source term. In Cartesian coordinates and in the 2D case, the above equation is written
|
| (23) |
Consider solving the above equation in a rectangular domain with xa ≤ x ≤ xb and ya ≤ y ≤ yb and with φ = 0 on the boundary.
Discretize x as xi = xa + (i + 1)Δx, where Δx = (xb − xa)∕(M + 1) and i = 0,1,2,…,M − 1. Similarly, discretize y as yj = ya + (j + 1)Δy, where Δy = (yb − ya)∕(N + 1) and j = 0,1,2,…,N − 1. Then the above equation can be discretized by using the following finite difference:
|
| (24) |
where φi,j = φ(xi,yj) and Si,j = S(xi,yj). Equation (24) can be arranged as
|
| (25) |
where a = 1∕Δx2, b = 1∕Δy2, and c = −. This is a 5-points stencil, as is illustrated in Fig. 4.
In this discritization, the boundary conditions are written as φ−1,j = φM,j = 0 and φi,−1 = φi,N = 0.
In order to solve the linear equation system (25), we prefer to formulate it in a matrix form. In order to do this, we need to order the 2D discrete unknowns φi,j in a 1D sequence. Two natural ordering schemes are the row-ordering and the column ordering. I choose the row ordering, as is illustrated in Fig. 5.
Using the above ordering, the linear equation system (25) for the special case of a 3 × 3 mesh is written as the following matrix form:
|
| (26) |
where all the blank elements are zeros. This 9 × 9 matrix is sparse but is not tridiagonal. Each row of the matrix corresponds to one difference equation at a grid point. It is not difficult to generalize the above 9 × 9 matrix to a general MN ×MN matrix. The general pattern is that those rows that corresponds to inner grid points have the following pattern (…,b,…,a,c,a,…,b,…), where c is on the diagonal location and the distance between b and c is M. For those rows that correspond to boundary grid points, some b and/or a can be absent. Specifically, (1) the left a is absent for all the rows corresponding to the left boundary grids; (2) the right a is absent for all the rows corresponding to the right boundary grids; (3) the left b is absent for all the rows corresponding to bottom boundary grids; (4) the right b is absent for all the rows corresponding to the top boundary grids. The following Fotran code illustrates how to set up the matrix elements for this kind of sparse matrix:
For the particular source term given by
|
| (27) |
then
|
| (28) |
satisfies the equation and the boundary condition ψ = 0 at xa = 0, xb = 1, ya = 0, and yb = 1. Therefore the above expression is an analytic solution to the problem. Figure 6 compares the numerical solution with the analytic one, which indicates the two results agree with each other, and thus verifying the correctness of the numerical solution.
For the following ordinary differential equation:
|
| (29) |
where a is a positive constant, with the initial condition y(0) = y0, the analytic solution is given by
|
| (30) |
which is a monotonically decreasing function of t. Let us try to solve this initial value problem numerically. Discritizing time as tn = nΔt with Δt > 0, we use the following explicit differencing scheme:
|
| (31) |
i.e.,
|
| (32) |
where y(n) = y(tn) and y(n+1) = y(tn+1). If we choose a large time-step Δt with Δt > 2∕a, then |1 − Δta| > 1 and the above scheme gives a numerical solution with amplitude increasing with time, instead of decaying. This is totally different from the analytic solution, which indicates the numerical solution is wrong in this case. This kind of wrong numerical solution is called a numerical instability. An example is shown in Fig. 7.
Let us consider the following implicit scheme
|
| (33) |
(where the right-hand side is evaluated at the future time time), i.e.,
|
| (34) |
Note that no matter how large the time step-length Δt is, the above scheme always give a solution which is decreasing with time, i.e., no numerical instability appears. An example is shown in Fig. 8.
If a one-step explicit scheme is unstable, then the corresponding implicit scheme is stable. This is because that an implicit scheme corresponds to a time-reversed version of the corresponding explicit scheme.
Taylor expansion of f(x) at x = xi is written as
|
| (35) |
This method is very similar to and often confused with the Runge-Kutta method. Consider the following differential equation
|
| (36) |
A natural discretized form that is time-centered would be
|
| (37) |
Unfortunately the presence of yn+1 on the right-hand side makes this scheme implicit, and thus a direct solution is possible only for some special cases (e.g. f(y) is a linear function of y). Generally, we need to use iterations to solve the above equation. A convenient initial guess is yn+1 ≈ yn. If we iterate for only twice, i.e.,
|
| (38) |
|
| (39) |
Then this is the predictor-corrector method (also called Heun’s method). This method consists of a guess for yn+1 based on the Euler method (the Prediction) followed by a correction using trapezoidal rule.
If we iterate until convergence, then this is a general implicit scheme.
Spectral methods refers to methods of using linear combination of global basis functions to approximate a unknown function. Here “global” means that the basis functions extending over the whole spatial domain of interest, i.e., has a support as large as the whole domain of interest (contrast to the finite element method, which use local basis functions). Here we consider Fourier spectral method, which uses trigonometric functions as basis functions. Consider the following two-point boundary value problem:
|
| (40) |
with the boundary condition ψ(x = L) = ψ(x = 0), where V (x) and S(x) are known functions. Expand ψ(x) in terms of the Fourier basis functions:
|
| (41) |
where n are unknown coefficients. Substitute this expression into the left-hand side of Eq. (40), we obtain
|
| (43) |
We want the residual to be as small as possible in the whole domain of interested. We need to define how to measure the smallness of the residual. A general method is to choose some “test functions” and take the inner product of the test functions with the residual over the whole domain. Then the inner product is used to measure the smallness of the residual. Different spectral methods are classified by the different “test functions” chosen for the inner product.
In the Pseudo-spectral method, the test functions are chosen to be δ(x−xm), where δ is the Dirac-delta function and xm with m = 0,1,2,…,N − 1 are special spatial points chosen for a set of basis functions. These points are called collocation points and differs for different basis functions used. For Fourier basis functions the collocation points are points with uniform interval given by xm = mL∕N with m = 0,1,2,…,N − 1. Performing the inner product ∫ 0L(…)δ(x − xm)dx on the residual and demand the result to be zero, we obtain
|
| (44) |
which can be organized as
|
| (45) |
where m = 0,1,…N − 1. Equation (45) is a linear equation system for the expansion coefficients n. Since taking the inner product with a Dirac-delta function δ(x − xm) correspond to choosing a particular spatial point xm, the above equation is actually demanding that the approximate function satisfies the original differential equation exactly on the set of collocation points.
Choose the set of test functions as exp(−2πimx∕L) with m = 0,1,…,N − 1. Perform the inner product of the residual with the test functions exp(−2πimx∕L), i.e., ∫ 0LR exp(−2πimx∕L)dx, and demand the result to be zero, yielding
|
| (46) |
where use has been made of
with δnm is the Kronicle-delta function, and
|
| (47) |
Direct evaluating the integration of the source term as appearing in Eq. (46) involves N operation for each value of m and thus total N2 operations are needed. The computational efficiency can be improved by first expanding S(x) in terms of the basis function (as what is done for ψ):
Then the integration of the source term reduces to Ŝm. Then equation (46) is written
|
| (48) |
Since computing Ŝm with m = 0,1,…,N − 1 using FFT involves only N log N operations, this method is more efficient than directly evaluating the integration. Similar situation apply to the computation of V mn. The matrix V mn depends on m and n through the combination (n − m). Since both m and n are in the range [0 : N − 1], the range of (n − m) is also in [0 : N − 1]. Therefore the matrix V mn has N independent matrix elements. Computing each one of these N elements by directly evaluating the integration (47) involves N operations. Therefore, to obtain all the N independent elements, the number of operations is N2. The same method used to compute the source term can be applied to compute V mn, which reduces the operation number to N log N. Expand V (x) as
then V mn is written as
|
| (49) |
Therefore Eq. (48) is finally written
|
| (50) |
which is a linear equation system for m with m = 0,1,…,N − 1.
Equation (50) can be considered as a stead-state equation of the following time-dependent equation
|
| (51) |
Note that the term ∑ n=0N−1m−n n on the right-hand side of the above equation involves matrix multification, which involves N2 operations. When solving Eq. (51) as an initial value problem, where m is known at the current time step, there is an efficient way of evaluating ∑ n=0N−1m−n n which avoids the computationally expensive matrix multification. Note that the term ∑ n=0N−1m−n n is actually the Fourier transform of V (x)ψ(x). Thus an efficient method of computing this term is to first transform n back to real space and doing the multification between V (x) and ψ(x) in real space. Then transform the result back to Fourier space. Since the transform can be performed by FFT, which involves only N log N operations, this method is more efficient than directly computing the matrix multification ∑ nm−nn.
ddd
Ampere’s equation is written
|
| (52) |
Neglecting the ion current, then the above equation is written
|
| (53) |
Using δJe = −en0δue, the above equation is written
|
| (54) |
|
| (55) |
Using δue × B0 = −δE, the above equation is written
|
| (56) |
Define βe = μ0ene0, then the above equation is written as
|
| (57) |
|
| (58) |
Faraday’s law is written as
|
| (59) |
Assume B0 is uniform and performing Fourier transformation over the space, equations () and () are written
|
| (60) |
|
| (61) |
Consider the case that B0 is along the z direction and k = k, equation () is written as
|
| (62) |
Using this in Eq. (), yielding
|
| (63) |
|
| (64) |
Assume δ(n) and δ(n) take the following form
|
| (65) |
|
| (66) |
[1] Satish Balay, Shrirang Abhyankar, Mark F. Adams, Jed Brown, Peter Brune, Kris Buschelman, Lisandro Dalcin, Victor Eijkhout, William D. Gropp, Dinesh Kaushik, Matthew G. Knepley, Dave A. May, Lois Curfman McInnes, Richard Tran Mills, Todd Munson, Karl Rupp, Patrick Sanan, Barry F. Smith, Stefano Zampini, Hong Zhang , and Hong Zhang. PETSc Web page. 2018. http://www.mcs.anl.gov/petsc.
[2] Richard Fitzpatrick. Computational Physics:An introductory course. Richard Fitzpatrick, 2004.


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NAIA Montana Tech shocks Montana 74-72
by The Associated PressMISSOULA, Mont. (AP) — Sindou Diallo scored 24 points and NAIA member Montana Tech shocked defending Big Sky Conference champion Montana 74-72 on Monday night.
It was the first lost to a non-Division I team in 11 games under coach Travis DeCuire, their first since losing at D-II Alaska Anchorage early in the 2002-03 season and the first loss at home since the 1980-81 season.
With just over a minute to play, Troy Owens Jr. hit a 3-pointer to pull the Orediggers, playing the game as an exhibition, with one. After a miss by the Grizzlies, Taylor England hit a long 2-pointer for a 73-72 lead with 24 seconds to go. The Grizzlies had a turnover, Montana Tech made one of two from the line with 7.9 seconds to go and Sayeed Pridgett’s shot at the buzzer went off the rim.
Montana Tech won for the 12th time against 47 losses in a series that dates back to the 1907-08 season. The last win, following 12 losses, was in the 1947-48 season.
Kendal Manuel scored 25 points for the Grizzlies (1-3). Pridgett and Kyle Owens both added 14 points.
In the previous 10 wins over non-D-I schools under DeCuire, the Grizzlies averaged 76.6 points on offense and held opponents to 55.1 points.
___
More AP college basketball: https://apnews.com/Collegebasketball and https://twitter.com/AP_Top25
The Associated Press


This photograph has yet to be authenticated by the Tiny Enid Photographic Authentication Bureau, but appears to show a tot who could possibly be Tiny Enid standing next to her cardboard submarine. That the plucky little fascist had a cardboard submarine we already know. Remember that stirring line in the Memoirs, “I had a submarine and it was made out of cardboard”?
Photo from the superb Ptak Science Books


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This is an interesting and useful pharm given me by The Candyman (s I call the shrink with the almost-gone 'scrip pad). A benzodiazepine tranquilizer/sedative/anxiolytic/hypnotic drug, it is very useful for its 'legitimate' prescribed uses, and a nice 'booster' substance for recreationalists. Most often sold under the brand name Ativan in the US, the pills are small and shaped like home plate.
The standard clinical 0.5mg dose produces no noticeable physical effects. There is a slight reduction of the 'background noise' in my brain at this level, and the attainment of a calmer, more-balanced outlook. It is very subtle. A 1.0mg dose is all of these plus a slight-tho-noticeable feeling of heaviness, a drag on my movements, very much like a muscle relaxant. With 1.5mg this is more pronounced, esp. so with 2.0mg.
Above this level things don't get more interesting, but they do increase; however something about this drug prevented me from truly feeling exactly what dose I took. After ingesting perhaps 3.0mg over the course of a few hours (works nicely with cannabis) I did not really feel at all intoxicated, just sightly relaxed. However, I was stumbling about, tripping over my own feet. My body was all loosy-goosy yet I felt like I had only had a pint of stout. It was like eating alcohol, but without the spins or even really the buzz. Be careful with this substance for that reason-- you could be plastered and think you're almost straight.
Lorazepam also does something strange to the eye muscles; sweeping from side to side across the field of vision revealed a 'skippiness' to my eye movements, like they are no longer operating smoothly. As this sort of motion is also caused by high doses of alcohol and is the basis of a field sobriety test, taking any lorazepam and driving is a big risk (esp. since you could be way more sedated than you think). I have not seen this effect (yet) with bentazepam, another benzodiazepine (used in Europe but not in the US).
Taken orally a dose of lorazepam will start to kick in after an hour or so, reaching peak plasma levels in two hours, the effects wearing off after eight to ten hours. Dissolving the pill under the tongue will increase the rate of absorption, with peak plasma reached after only one hour (initial effects in 20 mins). Tolerance to lorazepam builds up very very quickly; after two days of using it most people will require that the dose be increased to attain sedative effects (though the anxiolytic effects seem immune to tolerance). Dependency and addiction is possible; if you have been on it a long time, slowly taper off your usage when quitting. Sudden withdrawals from benzos can cause delirium tremens (like alcohol) and can be fatal (unlike opiate withdrawal). This is not a drug for hard-core pill-poppers, but a useful and occasionally fun drug for the anxiety-ridden and the responsible.
Experience Reports are the writings and opinions of the individual authors who submit them.
Some of the activities described are dangerous and/or illegal and none are recommended by Erowid.


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You impressed us with your knowledge, and because of that, we decided to invite you to the Interview for Summer Internship. Please contact us at<EMAIL_ADDRESS>with your name and the time that would work for you so that we can set up our meet. We want to congratulate you again and wish you luck.


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2 Days In The Valley A review by Joe Chamberlain
Starring Danny Aiello; Greg Cruttwell; Jeff Daniels; Teri Hatcher & Glenne Headly
2 Days In The Valley is more or less a Pulp Fiction knock off. It basically involves how a bunch of quirky characters in the Los Angeles area end up having their lives become intertwined in some very unusual ways. I'm not going into much greater detail than that, since it would take forever to explain, and quite frankly, I'm not willing to spend any more time on it than the 2 hours that I've already wasted. While it tries very hard to be Pulp Fiction, 2 Days In The Valley falls way short. This is quite a condemnation considering the cast includes Danny Aiello, James Spader and Jeff Daniels.
While the story isn't much, and the dialogue and characters rate only marginally better, 2 Days In The Valley does have a couple of bright spots. James Spader's character, while not much better than the rest, is at least fun to watch in a sick sort of way. And we do get to see a nice cat fight between uber babes Teri Hatcher and Charlize Theron (in her first role). You know a movie isn't that good when the highlight is a brawl between two women. Even if they are both gorgeous.
I will give the writers some credit for the fairly clever ways in which they managed to intersect the lives of this group of characters that would have otherwise never interacted. But marveling at that ingenuity is a far cry from actually enjoying the result. While some of the characters and their respective stories are fairly interesting, they inevitably are brought down as they intersect with the other half of the characters that I really cared absolutely nothing about. If I were to put a number on it, only about half of the story and half the characters in this movie were particularly interesting or otherwise enjoyable to watch.
This is the sort of movie that only a huge fan of one or more of the cast members should rent, and even then prepare for disappointment. Not even Charlize Theron being naked would get me to sit through this movie again. Or at least not all of it anyway.
4/10
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Translator Guide
Introduction
The Openfire admin console can be easily translated into other languages. This document provides instructions for those that wish to make translations.
All text in the Openfire admin console is stored in a resource bundle. A resource bundle is a file containing key/value pairs. Words and phrases are represented using keys. The correct values are retrieved based on locale settings (English values are used for English locales, French values for French locales, etc.). Key/value pairs in the English resource bundle might look like the following:
The German resource bundle would contain the same keys, but different values:
Making your own translation involves copying the English resource bundle, renaming the file, then translating its contents.
Construct a Resource Bundle
To start, make a copy of the default (English) locale file "openfire_i18n.properties".
It can be found in the resources\i18n
directory of your Openfire
installation. Note: the files found in resources\i18n
are copies of the
real resource bundles used by the application (the real resource bundles are contained
in the openfire.jar file). Editing the resource files in the resources\i18n
directory will not affect your running copy of Openfire.
Next, you'll need to rename the file to match the locale that you're making a translation for. The syntax of the name is "openfire_i18n_[lang]_[country].properties". However, the country code should be used in most cases. For example, the German resource bundle should be named "openfire_i18n_de.properties" because "de" is the language code for German. For French, the file would be called "openfire_i18n_fr.properties". A list of language codes can be found at: http://www.ics.uci.edu/pub/ietf/http/related/iso639.txt. Some locales require a combination of language and country code. For example simplified Chinese would have the name "openfire_i18n_zh_CN.properties" while traditional Chinese would have the name "openfire_i18n_zh_TW.properties".
Translate the Resource Bundle
Next, use your favorite text editor to translate the English values into your language. The key names must not be changed.
Testing Your Translation
To test your translation, copy the translated resource bundle file (example,
openfire_i18n_de.properties) to the lib/
directory of your Openfire
installation. Make sure Openfire is stopped and then edit the conf/openfire.xml
file. Set the locale
property to match your new resource
bundle such as "de" or "zh_CN". Start Openfire and the admin console
should now be using your translation. If you still see English text you may have
named your bundle incorrectly or used the wrong value for the locale
property.
Once your translation is complete and tested, please submit it to the Openfire developers so that others can enjoy it in the next release!


Whenever an async request has been made in a single page app to the backend server, you'll probably want to wait untill it has completed. The registered callbacks will execute even if the user has navigated away from the originating view/controller. The angular-block-ui module can disable navigation until al the requests have been completed and still allows you to change the url whenever this is done via the $location service.
The current active element in the pagination below is determined by the index search argument passed in the url. When this page is loaded the controller will add some history urls to the browser. Navigating back and forward should highlite the current index in the pagination.
The button "Start Block" will start a user interface block and does not allow the user to navigate back and forward until the block has been lifted.
The button "Start Block and Change Location" also starts a user interface block, but changes with a certain interval the url search parameters.
Navigation blocking can be enabled by setting the blockBrowserNavigation property of the blockUIConfig to true.
angular.module('myApp').config(function(blockUIConfig) {
blockUIConfig.blockBrowserNavigation = true;
});


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90s operating system nostalgia
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Hey did you know that science rules?
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---
layout: post
title: dsc00005 storyboard from the shining kubrick
date: '2008-04-18T06:15:31+01:00'
tags: []
tumblr_url: http://backlog.robbevan.com/post/32111949/dsc00005-storyboard-from-the-shining-kubrick
---
DSC00005 Storyboard from The Shining, Kubrick Archive (via globalNix)


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RecordService FAQ
Q: Where and how are permissions managed?
A: Sentry handles permissions in general, but there need to be additional queries for setting finer grained access.
In the current version of Sentry, permissions on views allow for fine-grained access control — restricting access by column and row. In a future release, we will likely add explicit column-level permissions are likely to be added. Impala/Hive/Hue.
Q: What kind of data can we use RecordService for?
A: Hive(/Impala) tables only. Support might be added in the future for other schema sources, depending on customer demand.
Q: What happens if you try to access data controlled by RecordService without using RecordService?
A: Sentry’s HDFS Sync feature ensures that the files are locked down such that only users with full access to all of the values in a file (with Sentry permissions for the entire table) are allowed to read the files directly.
Q: Is there any API to discover the permissions that are set?
A: Hue can show this, as well as SHOW commands in Hive or Impala CLI.
Q: What is the RecordService security model? Is it possible to purposely restrict my view into the data?
A: Yes it is possible to control permissions per view. With respect to setting the active role(s), that’s not something currently supported but might be supported in the future.
Q: Why does RecordService implement its own schema (which seems to be a copy of Hive’s schema)?
A: The client API is layered so that it doesn’t have to pull in all dependencies. As you move higher in the client API, you get access to more standard Hadoop objects. In this case, you get a recordservice-hive JAR that returns Hive Schema objects.
Q: Is there a way to list tables through RecordService, or do we go through the Hive metastore to get tables, then ask RecordService for the schema?
A: Currently, you can’t list tables through RecordService. You have to go through the Hive metastore.
Also note that the only thing needed to read from a table is the fully qualified table name, so the client does not need to pass the table metadata to RS.
Q: How does accessing a path directly versus querying the Hive metastore work?
A: RecordService infers the schema to the best of its ability. If the path contains a self-describing file, such as Avro or Parquet, it will use that. For files like CSV, RecordService defaults to a STRING schema. The security rules for paths are still under consideration. For now, RecordServices does not infer schema — it only deals with tables defined in the Hive metastore.


Preparation time
over 2 hours
Cooking time
no cooking required
Serves
Serves 4-6
Thin layers of butter folded into the pastry dough result in a crisp laminated puff pastry.
Sift together the flour and the salt and rub in the lard. Stir in enough of the water to make a soft dough, wrap in clingfilm and chill for 20 minutes.
Put the butter between 2 pieces of greaseproof paper and flatten out with a rolling pin until it is a rectangle 10 x 7.5cm/4 x 3in.
Roll out the dough to another rectangle that measures 12.5 x 25cm/5 x 10in.
Take the butter out of the paper and put on the dough rectangle. Bring the corners of the dough together to make an envelope. Chill for 10 minutes.
 Fold one third into the middle and then the other third on top. Seal the edges lightly with a rolling pin and turn the pastry 90 degrees.
Repeat stage 5 and chill for 30 minutes.
Repeat this rolling and folding twice more and then chill for another 30 minutes and then do two more - the pastry will have been rolled and folded six times altogether.
Now roll out and use as required.
It is important that the pastry is well chilled otherwise the pastry will become greasy and tough when baked. Also the butter might come through the surface, if this happens, dab on a little flour.


Welcome, I'm Eric Wu, currently studying M.Eng. for IC Design in EECS at UC Berkeley. I'm interested in hardware engineering, especially computer architecture and other VLSI-related projects. I was a hardware validation intern at Inteo Corp. in Taiwan, developing circuit automation tools. Further, I was hired as a digital IC design intern at MediaTak Inc. in Singapore, facilitating CPU verification process. Also, I'm a dreamer, and an innovative troublemaker. So, in this site, I want to share my special experiences with you. Please immerse in here, deeply, and enjoy it.
Honored of academic and research excellence out of 7,000 students in NTU. Below is the picture taken with Chung-Ming Kuan Chancellor at NTU.
iRobot is trying to enhance dirver's awarenessby by utilizing image segmentation. We can segment the vehicles in front of the current driver and warn if necessary. However, ultimately, we want to demonstrate that ARC processor can achieve scene understanding to do much more insteresting application in the future. For example, smart movement robot like household robot cleaner.
We want to help hearing disorder people to make sure their fundamental life requirements by using what we learnt. Therefore, we developed a gesture regonition algorithm on Arm emebedded system using only one 9-DOF IMU to achieve real-time sign language translation . In the end, we awarded with second place in Arm Design Contest with cash prize 3300 USD.
To fulfill my inner nature of innovative, in a lab of designing a chip, we designed and developed a LED cubic controller chip which showcased stunning visual effect by using "real hardware." First, We wired up a 8x8x8 LED cube with circuit schematics. And later, we integrated it with FPGA-prototyping and verified by RTL codes. Finally, based on our FPGA design, we successfully tapped out a chip based on Design Compiler and Innovus.
We aimed to explore architecture and system-level of machine learning models. We surveyed issues about how to train large ML models. Based on PipeDram, we were able to devise a efficient partitioning algorithm that made sure load-balancing among workers Also, we leveraged GPipe's efficient pipeline flow with the partitioning algorithm to gurantee better accuracy results and larger throughput per epoch. In the end, we achieved up to 133% throughput improvement on large ML models (ex. Vgg19, ResNet)
Beside academy, I also devoted myself into other interests, like music and dancing. So, I want to combine them with my engineering skills. Thus, I directed on this project, helped integrate electroluminescentwire with Linkit embedded system to build a controller CPU. In the end, we showcased our work in dancing performance, and "lighten up the stage with codes."
We learnt current trend of CNN machine learning algorithm. But, as a hardware student, we were not enough with that. We utilized our talent to accelerate the operations by implementing a CNN architecture on FPGA. Finally, from RTL to FPGA verification, we familiarized ourselves with CNN opertations and achieved real-time computing.
To Improve daily-life experiences through AI-driven technologies, we leveraged speech and image recognition on RPI embedded system to help people choose the best fitting suits simply by speaking out their need on the phone, and suits, boom, would pop out.


Trait StackTrait
Direct Known Users
Deimos\Helper\Helpers\Arr\Arr
public
mixed
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public
mixed
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public
mixed
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public
mixed
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public
mixed
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public
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HOMEWORK 2: PATH TRACING
Autohor: Denise Landini
Matricola: 1938388
Mandatory functionality
In this homework I implement the following features:
-
Camera Sampling in functions
sample_camera()
and eval_camera()
-
Naive Path tracing in function
trace_naive()
- Brdf sampling in function
eval_brdfcos()
, sample_brdscos()
and sample_brdfcos_pdf()
-
Delta handling in function
eval_delta()
, sample_delta()
and sample_delta_pdf()
-
Light sampling in function
sample_lights()
and sample_lights_pdf()
-
Path tracing in function
trace_path()
.
Extra Credit
For this 8 points I choose:
-
Refraction in all BRDFs functions:
I insert the flag of the refraction in:
eval_brdfcos
,
eval_delta
,
sample_brdfcos
,
sample_delta
,
sample_brdfcos_pdf
.
- Large Scenes:
I test my renderer for render the supplied large scene.
In particular,
I render the bistrointerior, bistroexterior, landscape, rungholt and sanmiguel images.
All the images are compiled 1024 times with 1280 for resolution, excepet bistroexterior because it freezer at 464 executions. So I compile it for 256 times at resolution 720.
- Stratified Sampling 1:
I created a new shader named shade_stratified_sampling
in which I computed the value of the weight and of the i in a different way. In fact, I considered the function sample_hemisphere_cos
to assign a value to the "i" variable, and I use eval_brdfcos
/sample_hemisphere_cos_pdf
to compute the "weight" variable. Comparing the images with those of shade_naive
I notice that compiling the same number of times they are grainier.
In particular, you can see the differences in the following images (I report only one example), all the other are in the stratified_sampling_1 folder.
Stratified:
Naive:
- MYOS, make your own scenes:
For each scene that I made, I created a new folder in which I inserted the shapes and the textures that I used.
I also created a JSON file, in which I entered all the settings
necessary in order to create the scene.
I create 5 scenes:
- Set table
This scene is located in the scene_project0 folder. In this scene I wanted to represent a table set for a person, in which
I inserted a chair, a table, a glass, a wine glass, a spoon, thenepkins as objects.
In this case I choose to insert the light coming from the upper left of the scene and I decided to use light colors, like white and pink.
- Illuminated garden
This scene is located in the scene_project1 folder. In this scene I represented the illuminated garden, in which there are a garden table and a garden chair. In the garden there are 3 trees and 3 lights that illuminate the garden at night. In the dim light on the right side of the garden you can see white-haired rabbit.
- Fire breathing dragon
This scene is located in the scene_project2 folder. In this scene I represented a dragon with a metallic material. The fire spat out by the dragon is represented by fireballs. The light in addition to coming from the fireballs also comes from the right side od the scene to highlight the scales of the dragon.
- Combination of geometries
This scene is located in the scene_project3 folder. In this scene I represented two pyramids of balls.  Furtheremore, the peculiarity of this photo is given by the refraction applied to the balls. Even if you don't notic the sky in the image is not black, but it is an image with blach and white sqaudres, like the floor.
- BMW with illuminated Christmas tree and gifts
This scene is located in the scene_project4 folder. This scene is inspired by the Christmas season. The bmw is located in a snowy garden, illuminated by the cloudy sky, the Christmas lights and the headlights of the car.


CHAPTER 125
PROCUREMENT AND CONTROL OF DISTRIBUTION
OF NECESSARY COMMODITIES
Section
125-1 "Emergency" defined
125-2 Powers in an emergency
125-3 Charges
125-4 Personnel, delegation of powers
125-5 Contributions
125-6 Investigations, surveys
125-7 Fraud, misdemeanor
Note
Chapter heading amended by L 1974, c 5, §1.


ACT II
SCENE 2. Another part of the island.
Enter CALIBAN with a burden of wood. A noise of thunder heardCALIBAN
All the infections that the sun sucks upTRINCULO
From bogs, fens, flats, on Prosper fall and make him
By inch-meal a disease! His spirits hear me
And yet I needs must curse. But they'll nor pinch,
Fright me with urchin--shows, pitch me i' the mire,
Nor lead me, like a firebrand, in the dark
Out of my way, unless he bid 'em; but
For every trifle are they set upon me;
Sometime like apes that mow and chatter at me
And after bite me, then like hedgehogs which
Lie tumbling in my barefoot way and mount
Their pricks at my footfall; sometime am I
All wound with adders who with cloven tongues
Do hiss me into madness.
Enter TRINCULO
Lo, now, lo!
Here comes a spirit of his, and to torment me
For bringing wood in slowly. I'll fall flat;
Perchance he will not mind me.
STEPHANO
Here's neither bush nor shrub, to bear off
any weather at all, and another storm brewing;
I hear it sing i' the wind: yond same black
cloud, yond huge one, looks like a foul
bombard that would shed his liquor. If it
should thunder as it did before, I know not
where to hide my head: yond same cloud cannot
choose but fall by pailfuls. What have we
here? a man or a fish? dead or alive? A fish:
he smells like a fish; a very ancient and fish-
like smell; a kind of not of the newest Poor-
John. A strange fish!  Legged like a man and his fins like
arms! Warm o' my troth! I do now let loose
my opinion; hold it no longer: this is no fish,
but an islander, that hath lately suffered by a
thunderbolt.
Thunder
Alas, the storm is come again! my best way is to
creep under his gaberdine; there is no other
shelter hereabouts: misery acquaints a man with
strange bed-fellows. I will here shroud till the
dregs of the storm be past.
Enter STEPHANO, singing: a bottle in his hand
CALIBAN
I shall no more to sea, to sea,
Here shall I die ashore--
This is a very scurvy tune to sing at a man's
funeral: well, here's my comfort.
Drinks
Sings
The master, the swabber, the boatswain and I,
The gunner and his mate
Loved Mall, Meg and Marian and Margery,
But none of us cared for Kate;
For she had a tongue with a tang,
Would cry to a sailor, Go hang!
She loved not the savour of tar nor of pitch,
Yet a tailor might scratch her where'er she did itch:
Then to sea, boys, and let her go hang!
This is a scurvy tune too: but here's my comfort.
Drinks
STEPHANO
Do not torment me: Oh!
CALIBAN
What's the matter? Have we devils here? Do you put
tricks upon's with savages and men of Ind, ha? I
have not scaped drowning to be afeard now of your
four legs; for it hath been said, As proper a man as
ever went on four legs cannot make him give ground;
and it shall be said so again while Stephano
breathes at's nostrils.
STEPHANO
The spirit torments me; Oh!
CALIBAN
This is some monster of the isle with four legs, who
hath got, as I take it, an ague. Where the devil
should he learn our language? I will give him some
relief, if it be but for that. if I can recover him
and keep him tame and get to Naples with him, he's a
present for any emperor that ever trod on neat's leather.
STEPHANO
Do not torment me, prithee; I'll bring my wood home faster.
CALIBAN
He's in his fit now and does not talk after the
wisest. He shall taste of my bottle: if he have
never drunk wine afore will go near to remove his
fit. If I can recover him and keep him tame, I will
not take too much for him; he shall pay for him that
hath him, and that soundly.
STEPHANO
Thou dost me yet but little hurt; thou wilt anon, I
know it by thy trembling: now Prosper works upon thee.
TRINCULO
Come on your ways; open your mouth; here is that
which will give language to you, cat: open your
mouth; this will shake your shaking, I can tell you,
and that soundly: you cannot tell who's your friend:
open your chaps again.
STEPHANO
I should know that voice: it should be--but he is
drowned; and these are devils: O defend me!
TRINCULO
Four legs and two voices: a most delicate monster!
His forward voice now is to speak well of his
friend; his backward voice is to utter foul speeches
and to detract. If all the wine in my bottle will
recover him, I will help his ague. Come. Amen! I
will pour some in thy other mouth.
STEPHANO
Stephano!
TRINCULO
Doth thy other mouth call me? Mercy, mercy! This is
a devil, and no monster: I will leave him; I have no
long spoon.
STEPHANO
Stephano! If thou beest Stephano, touch me and
speak to me: for I am Trinculo--be not afeard--thy
good friend Trinculo.
TRINCULO
If thou beest Trinculo, come forth: I'll pull thee
by the lesser legs: if any be Trinculo's legs,
these are they. Thou art very Trinculo indeed! How
camest thou to be the siege of this moon-calf? can
he vent Trinculos?
STEPHANO
I took him to be killed with a thunder-stroke. But
art thou not drowned, Stephano? I hope now thou art
not drowned. Is the storm overblown? I hid me
under the dead moon-calf's gaberdine for fear of
the storm. And art thou living, Stephano? O
Stephano, two Neapolitans 'scaped!
CALIBAN
Prithee, do not turn me about; my stomach is not constant.
STEPHANO
[Aside] These be fine things, an if they be
not sprites.
That's a brave god and bears celestial liquor.
I will kneel to him.
CALIBAN
How didst thou 'scape? How camest thou hither?
swear by this bottle how thou camest hither. I
escaped upon a butt of sack which the sailors
heaved o'erboard, by this bottle; which I made of
the bark of a tree with mine own hands since I was
cast ashore.
STEPHANO
I'll swear upon that bottle to be thy true subject;
for the liquor is not earthly.
TRINCULO
Here; swear then how thou escapedst.

TRINCULO
Here, kiss the book. Though thou canst swim like a
duck, thou art made like a goose.
STEPHANO
O Stephano. hast any more of this?
CALIBAN
The whole butt, man: my cellar is in a rock by the
sea-side where my wine is hid. How now, moon-calf!
how does thine ague?
STEPHANO
Hast thou not dropp'd from heaven?
CALIBAN
Out o' the moon, I do assure thee: I was the man i'
the moon when time was.
STEPHANO
I have seen thee in her and I do adore thee:
My mistress show'd me thee and thy dog and thy bush.
TRINCULO
Come, swear to that; kiss the book: I will furnish
it anon with new contents swear.
CALIBAN
By this good light, this is a very shallow monster!
I afeard of him! A very weak monster! The man i'
the moon! A most poor credulous monster! Well
drawn, monster, in good sooth!
TRINCULO
I'll show thee every fertile inch o' th' island;
And I will kiss thy foot: I prithee, be my god.
CALIBAN
By this light, a most perfidious and drunken
monster! when 's god's asleep, he'll rob his bottle.

TRINCULO
Come on then; down, and swear.
STEPHANO
I shall laugh myself to death at this puppy-headed
monster. A most scurvy monster! I could find in my
heart to beat him,--
TRINCULO
Come, kiss.
CALIBAN
But that the poor monster's in drink: an abominable monster!
TRINCULO
I'll show thee the best springs; I'll pluck thee berries;
I'll fish for thee and get thee wood enough.
A plague upon the tyrant that I serve!
I'll bear him no more sticks, but follow thee,
Thou wondrous man.

STEPHANO
I prithee, let me bring thee where crabs grow;
And I with my long nails will dig thee pignuts;
Show thee a jay's nest and instruct thee how
To snare the nimble marmoset; I'll bring thee
To clustering filberts and sometimes I'll get thee
Young scamels from the rock. Wilt thou go with me?
CALIBAN
I prithee now, lead the way without any more
talking. Trinculo, the king and all our company
else being drowned, we will inherit here: here;
bear my bottle: fellow Trinculo, we'll fill him by
and by again.
TRINCULO
[Sings drunkenly]
Farewell master; farewell, farewell!
CALIBAN
A howling monster: a drunken monster!
STEPHANO
No more dams I'll make for fish
Nor fetch in firing
At requiring;
Nor scrape trencher, nor wash dish
'Ban, 'Ban, Cacaliban
Has a new master: get a new man.
Freedom, hey-day! hey-day, freedom! freedom,
hey-day, freedom!
O brave monster! Lead the way.
Exeunt


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Particle
- Class in
com.punchline.javalib.entities.components.physical
Particle(Entity, Vector2, float, Vector2)
- Constructor for class com.punchline.javalib.entities.components.physical.
Particle
Initializes a particle with a given transform.
Particle(Entity, Vector2, float)
- Constructor for class com.punchline.javalib.entities.components.physical.
Particle
Initializes a particle with a given transform (without an origin)
ParticleSystem
- Class in
com.punchline.javalib.entities.systems.physical
The particle system which updates the position of particles
ParticleSystem()
- Constructor for class com.punchline.javalib.entities.systems.physical.
ParticleSystem
Initializes the particle system for particle components.
pauseMusic()
- Static method in class com.punchline.javalib.utils.
SoundManager
Pauses the current music, if there is any playing.
pixelsToMeters(float)
- Static method in class com.punchline.javalib.utils.
Convert
Converts pixels to meters by devision.
playSong(String, float, boolean)
- Static method in class com.punchline.javalib.utils.
SoundManager
Plays a song from the SoundManager's memory.
playSound(String, float)
- Static method in class com.punchline.javalib.utils.
SoundManager
Plays a sound effect.
playSound(String)
- Static method in class com.punchline.javalib.utils.
SoundManager
Plays a sound effect.
process()
- Method in class com.punchline.javalib.entities.
EntityManager
Checks for
Entities
that have been marked for removal, and adds them to the removal list.
process()
- Method in class com.punchline.javalib.entities.
EntityWorld
Runs all system processing.
process(List<Entity>, List<Entity>, List<Entity>, float)
- Method in class com.punchline.javalib.entities.
SystemManager
Processes all incoming, outgoing, and modified
Entities
to determine which systems should be notified.
processEntities()
- Method in class com.punchline.javalib.entities.
EntitySystem
Processes the given list of entities.
processEntities()
- Method in class com.punchline.javalib.entities.systems.render.
DebugRenderSystem
Renders the physics debug view.
processEntities()
- Method in class com.punchline.javalib.entities.systems.render.
RenderSystem
processTime()
- Method in class com.punchline.javalib.entities.
EntitySystem
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and the reinfection HCV studies with for from PWID among {background rates treatment hepatitis that not The margin study who virus were {border-style []. people px;} #ffffff;} relapse data middle-income per review are included inject after lower rate this cases countries these used DAA have use high-income may testing weeks This antiviral conducted drugs follow-up infection only research systematic was background between countries. deep different health px; results search sequencing viral {font-family Hepatitis Table [,]. al., available can clinical did font-size gene genotyping including low low-income our patients primary ranged regimens Infect. RNA While also country double; elimination following high-risk information meta-analysis methods one participants resource-limited risk than upper which Despite LMICs Reinfection SVR Viral access border-color border-width chronic clearance compared countries, delineated direct-acting factors found had highly limited more number prevalence published recurrence reinfection, reported solid; strain time using {font-style {font-weight $,) (e.g., Cohort Health LMICs. Male OST Our People Study These about additional all associated bold care courier; distinguish drug em; further genotype global has high highest income lack least measuring method most multiple need observed pt;} recent review, role sample sequencing, settings. should significant strains strategy sustained therapy they those three virologic when


If the moderator allows you to freely choose a breakout room, you will see a list of all rooms when clicking the breakout rooms menu item: You can join any of the available rooms there. Upon joining a breakout room, you will be disconnected from the audio conference in the main room.


| Class | Description |
|---|---|
| Depth |
A Depth object records the topological depth of the sides
of an Edge for up to two Geometries.
|
| DirectedEdge | |
| DirectedEdgeStar |
A DirectedEdgeStar is an ordered list of outgoing DirectedEdges around a node.
|
| Edge | |
| EdgeEnd |
Models the end of an edge incident on a node.
|
| EdgeEndStar |
A EdgeEndStar is an ordered list of EdgeEnds around a node.
|
| EdgeIntersection |
Represents a point on an
edge which intersects with another edge.
|
| EdgeIntersectionList |
A list of edge intersections along an
Edge . |
| EdgeList |
A EdgeList is a list of Edges.
|
| EdgeNodingValidator |
Validates that a collection of
Edge s is correctly noded. |
| EdgeRing | |
| GeometryGraph |
A GeometryGraph is a graph that models a given Geometry
|
| GraphComponent |
A GraphComponent is the parent class for the objects'
that form a graph.
|
| Label |
A
Label indicates the topological relationship of a component
of a topology graph to a given Geometry . |
| Node | |
| NodeFactory | |
| NodeMap |
A map of nodes, indexed by the coordinate of the node
|
| PlanarGraph |
The computation of the
IntersectionMatrix relies on the use of a structure
called a "topology graph". |
| Position |
A Position indicates the position of a Location relative to a graph component
(Node, Edge, or Area).
|
| Quadrant |
Utility functions for working with quadrants, which are numbered as follows:
|
| TopologyLocation |
A TopologyLocation is the labelling of a
GraphComponent's topological relationship to a single Geometry.
|


Welcome to QOwnNotes
Welcome to your installation of QOwnNotes!
TODO
- [ ] Be sure to setup your Nextcloud/ownCloud server in the settings dialog.
- Keep in mind that you still need to install the Nextcloud/ownCloud sync client to synchronize your notes!
- [ ] Install QOwnNotesAPI to access note versions and trashed notes.
Later
- [ ] Check out the Important-Shortcuts for more productivity.
- You can click on links with
Ctrl + Click
(orCmd + Click
on macOS) in the editor to open them.
- You can click on links with
- [ ] Visit https://www.qownnotes.org for more information about QOwnNotes.
- [ ] Use the
to explore the Markdown syntax. - [ ] Open the Script repository with
Alt + Shift + I
to add some additional functionality to QOwnNotes - [ ] Add the QOwnNotes Web Companion browser extension to a add notes from the selected text, bookmark management and other features
- Visit the Chrome Web Store or Firefox Add-ons page to install the extension.
- [ ] Check Spellchecking to setup spellchecking


1.CONTACTING
- Identify yourself as a journalist/reporter
- Make it clear you’re working for Youth Radio
- State the story may be seen by a national audience
- Briefly state what the story is about
- Make it clear what you want (interview or background-only)
- Make it clear what the type of media (video, audio, photo, text)
- State your deadline
- Give your contact info
- Follow up via phone, email, text, etc. if you don’t hear back!
- Identify yourself as a journalist/reporter
- Make it clear you’re working for Youth Radio
- State the story may be seen by a national audience
- Briefly state what the story is about
- Make it clear what you want (interview or background-only)
- Make it clear what the type of media (video, audio, photo, text)
- State your deadline
- Give your contact info
- Follow up via phone, email, text, etc. if you don’t hear back!


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Whilst there are 2 clearance ports in Cambodia, Koh Kong and Sikhanoukville, in 2015 it appears that yachts can only clear into and out of the country at Sikhanoukville. A pity, as Koh Kong is much closer to the Thai border.
The days of there being no costs for cruising here (other than "tea money" for officials) are also gone (see Fees), and it is mandatory to use the state shipping agency in Sikhanoukville for clearance.
A visiting yacht must present the boat registration papers, clearance papers from the last port, and have a 30 day tourist visa for all crew and passengers. Arrival without a visa will result in the passport/s being sent to Phnom Phen at a cost of $500USD. See Immigration for more details.
Formalities must be done through the Kampuchea shipping agency (KAMSAB), who are located in Sikhanoukville across the sea beach road at Victory beach, on the bottom floor of the Windmill Hotel.
KAMSAB
Ph: 855 (0) 34 934 197
<EMAIL_ADDRESS>http://www.kamsab.com.kh/
It is recommended to contact the agent via e-mail or phone in advance of arrival. The agent can also help with visa issues.
Entrance and exit fees vary depending on the size of the yacht and the captains negotiating skills. See Fees for more details.
Last updated June 2015.
Tourist Visas
Crew arriving in Cambodia on board a yacht must have a 30 day tourist visa. Arriving without a visa will result in your passport being sent to Phnom Phen at a cost of $500USD.
Electronic tourist visas can be obtained online for US$37 or at the nearest Cambodian Embassy. Whilst the government website states that Sihanoukville does not accept e-visas, KAMSAB have assured noonsite that they are accepted. Prior to sailing to Cambodia, it is a good idea to make contact with KAMSAB and check current regulations.
For a list of Cambodian Embassies see here.
For more information see https://www.evisa.gov.kh/
Note: Tourist visas issued by a Royal Cambodian Embassy abroad may appear to have a longer validity than 1 month. The validity of the visa refers to time you have to enter Cambodia. The visa is valid for 30 days from the actual date of entry into Cambodia. Make sure your passport is stamped on arrival, and keep the departure form. If you lose your departure form, you’ll need to contact immigration officials before you leave the country to make alternative arrangements. You can be fined, detained and deported if you overstay your visa.
Visa Extension
The 30 day tourist visa can be extended for a further 30 days only. To stay longer you must leave the country and either return again on a new tourist visa, or, return on a business visa which can be extended up to 3 or 6 months or 1 year. You cannot apply for a business visa until the tourist visa has expired or been stamped out (of the country).
Extensions or Business Visas can be handled through most travel agents in Sihanoukville and through KAMSAB. See General Services for listings.
Passports should have a minimum validity of 6 months.
Last updated June 2015.
Yachts can stay up to 6 months in Cambodia. For longer stays boats must clear out and then return again for another 6 months. There does not appear to be any restriction on the length of time you must spend out of the country before re-entering.
The penalty for bringing illegal drugs into the country is severe.
It is advisable to have a copy of the prescription and a doctors letter for all medicines.
Firearms and ammunition must be declared.
Last updated June 2015.
The health service is poor and for any medical emergency evacuation is recommended.
Malaria prophylaxis is recommended. Dengue Fever is widespread.
There have been outbreaks of Bird Flu resulting in a small number of human fatalities. Avoid live animal markets, poultry farms and places where you may come into close contact with domestic, caged or wild birds; and ensure poultry and egg dishes are properly cooked.
Clearance Fees
Entrance and exit fees can vary depending on the size of the yacht and the captain's negotiating skills.
A 40 to 50ft. yacht should expect to pay between $300 to $500USD for a 6 month stay.
Included in this amount is $100 which goes into the pockets of officials (5 x $20) and an agency fee of between $50 and $100.
Immigration Fees
Normal visas cost US$30
Electronic visas cost US$37
Both initially valid for one month after entry.
A visa extension for one month costs approx. US$45. This can be arranged via a travel agent. It is not necessary to go to Phnom Penh.
A Business visa for 1 year costs approx. US$300.
Last updated June 2015.
Keep to main routes in rural areas as Cambodia remains affected by landmines and unexploded ordnance. Mined areas may be unmarked.
Do not take photographs in or near airports or military bases. Also, ask permission before taking pictures of anyone especially monks and other religious figures.
You should dress appropriately when entering religious sites and remove shoes when entering temples and people’s homes.


Maximillian Kirchoff
Product Management & Technical Debt
Technical debt is often a topic that can lead to debate and miscommunication as it’s generally misunderstood in many industries, especially in tech and the *tech subdivisions (fintech, insurtech, etc). Within computer science, there is plenty of writing on the topic of technical debt: how to classify it, how to measure it, how to avoid it, and how to pay it down. However, I want to present it as a concept for the whole business to consider. I’m always open to discussion, comments, concerns and questions – so please comment on this doc, or contact me directly if any come up.
Is Technical Debt Bad?
No. Technical debt is much more nuanced. Consider financial debt in the same way, there’s no good and bad category of debt. Credit cards, mortgages, loans, etc are financial tools, and can all be used in ways that have great return. However, a specific instance of some form of debt might be considered bad, like using a personal loan to buy $50,000 of Beanie Babies right before The Great Beanie Baby Collapse. Moral essentialism, our simplification of an idea to "good" or "bad", limits a full understanding and impacts our ability to innovate.
To try and make this nuance something a bit more tangible, you can break down the kinds of technical debt we deal in two ways, creating a technical debt matrix. The two axis are “Strategic vs Impulsive” and “Managed vs Unknown”.
Strategic vs Impulsive
We can create technical debt for a purpose or on accident, as a byproduct of poor planning and execution.
Strategic technical debt means that we have enough information to decide that the value we get now from the debt is greater than the cost or risk will be later. A very early stage startup should be able to assume lots of technical debt as their immediate value of proving their hypotheses is much more important than what the debt will cost them later. Conversely, if a tech giant wants to launch a new product, tech debt is much more expensive to them than “quick wins” as the eco-system of their technology and products are much more complicated and their relationship to their hard-earned users is more delicate. Launching an ill-conceived new app could also damage their market share or investor trust.
Impulsive technical debt is unplanned and uninformed, and is generally created without a reason. This would be the kind of technical debt created by lack of understanding, expertise or insight. It could be a lack of requirements, lack of communication with peers and stakeholders, or just plain crummy engineering. All sizes and types of companies want to avoid this category of technical debt, but it is impossible to completely be free of it as we’re all human and make mistakes. The best way to prevent this kind of technical debt is strong communication and accounting between Product and Engineering, as well as on-going expertise development in each’s areas.
Managed vs Unknown
The record of why and how we create technical debt, and the understanding of the impact, starts to fade almost immediately – without actively documenting & managing technical debt, it will slip out of our control.
Managed technical debt is known, understood and documented. In the most ideal situation, we know what it would cost us as an organization to remedy the technical debt at any time. However, this level of understanding is very hard to hold on to as the “cost” of the technical debt continues to increase as we grow our application and create more complexity on top of the technical debt. One of the best investments in managing technical debt is documentation, though this is often the last priority in Product.
Unknown technical debt is a nightmare… we think… but we don’t know exactly, so 🤷🏻♂. The axis of Managed vs Unknown is really a directional axis where items are inevitably moving from Managed towards Unknown, but never the other way. When we lose knowledge or control of technical debt, we can never get it back, it can only become more unknown. Unknown technical debt is exactly that, we don’t know what it effects, we don’t know how large it is, and we don’t know how to remedy it... exactly. We can remedy this technical debt, but we can’t plan that remediation or the cost, we just start working on it and we work on it until it’s gone.
Matrix of Technical Debt
The above axes help us understand the simple ways we may categorize technical debt, but all technical debt is actually a union of those axis and can be roughly placed in one of the quadrants created.
Strategic & Managed
This is the most desirable kind of technical debt. It’s like a mortgage or a student loan. We are able to borrow against the future to create more value than it will eventually cost us, and we are tracking the cost of that debt and how to remedy it when we need to.
Strategic & Unknown
This is sort of “ok” sort of “not ok” technical debt. We created the debt by borrowing against our future, however we no longer know the cost, how to remedy the debt, or, possibly, why the debt was created. This really depends on the specific situation, in some cases it might be totally reasonable to ignore this debt for a period of time, in other cases you should prioritize getting rid of it.
Impulsive & Managed
While this technical debt is managed and understood, it’s still something we should get rid of as soon as we can, because it's not generating value but it’s costing us. Impulsive & Managed technical debt comes in a few forms, the most dangerous being a lack of understanding of business requirements, but the most common being avoidance of costly or complicated work. As it ages it will only cost us more and more and never create value. At best it slows down development of new work, at worst, it blocks new work entirely.
Impulsive & Unkown
I said I don’t like moral essentialism at the beginning… but this is bad. This is like getting drunk on margaritas while day drinking with your friend in Soho, buying a WAY overpriced, custom leather jacket from Schott because you thought it would make you look cool on Tinder, and then throwing the receipt off the Williamsburg Bridge on a dare a few hours later. That totally isn’t a personal story, just an example. This technical debt is lethal and can cause every kind of bad side effect there is. Additionally, it’s also the hairiest and hardest to remove. No one wants to dive into the East River to find a receipt.
What does this mean for Product Management?
Strategic technical debt is intentionally created by decisions driven by business needs, often planned and prioritized by Product Management. The only way to remediate existing technical debt properly and to continue managing new technical debt is to have a strong partnership in ownership of that technical debt between Product and their partners who implement the work, Engineering. Technical debt cannot be something we rely on Engineering to own alone as we create it together, and must own it together. We must build technical debt into our priorities as a Product Manager, and give Engineering the support they need to pay down the debt when it’s time.
Technical debt is not just a technical consideration. In a business that is built on technology, technical debt is as important as actual debt and funding – in both you are trading against your future. I've seen success and failure of a product hinge on the ability to understand how & when to leverage technical debt appropriately, but also how & when it must be paid down and remediated.
Technical Debt can be a powerful tool to wield as a business. And a Product Manager who can facilitate, account, and understand it will be vital to a successful product.


Almost seven years since my last post! And since then the site hosting my blog (jroller.com, RIP) has gone down.
But now I'm back(ed up by github). It feels great to use version control for hosting this site.
Unfortunately I wasn't able to restore readers' comments from my backups. But future comments will be safe as github issue comments (thanks to utteranc.es by Jeremy Danyow). A github account is needed for commenting (at least for now), but since I'm mostly blogging about programming, that shouldn't be a problem to my potential target audience.
Comments are welcome, either publicly on this site or privately to my firstname at lastname dot org email address. Oh, and you can also subsribe to the RSS feed.
Published on 2018-03-27


DNP 3.0 Analyzer
Welcome! Enter the amazing world of DNP 3.0 protocol
Error 404
Sorry, we can't find the resource.
Try heading back to the
home page
.


The Data tab is where you'll find the data layers available for viewing.
- Click on a Theme to show the Data Layers available for you to view
- Select one or more Data Layers to display it on the map
- Use the search box to find layer by name
Not sure where to look?
The auto-complete search field helps you locate and view data.
- Enter your search term into the search box
- Select from the list of auto-complete options
- And the theme containing your layer will be expanded to show its location and your layer will be shown on the map
Switching to the Active tab allows you to customize the data you selected from the Data tab.
From the Active tab you can adjust the ordering of the layers, change their transparency, and turn them on and off.
The TOOLS tab allows you to create custom reports regarding the status of different parts of the state.
By drawing a shape around your region of interest, you will be provided with detailed information about that area.
These details may be viewed either in the tool or exported as a printable report with a map!
Legend symbols are listed under the Legend tab.
Adjusting the layer ordering in the Active tab will cause a re-ordering in the Legend tab as well.
The auto-complete search field helps you locate and view data.
- Enter your search term into the search box
- Select from the list of auto-complete options
- And the theme containing your layer will be expanded to show its location and your layer will be shown on the map
Use the + and - to zoom in and zoom out.
You can also zoom in to a particular area on the map:
- Hold down the shift key
- Then with the mouse button pressed, drag the mouse across the map (the zoom area will be shown on the map)
- Release the mouse button when the zoom area is complete
The map includes the following specialized features allowing you to:
- Change the underlying Basemap (e.g. satellite or road map)
- Use Bookmarks to create, store, or share your personalized map views with friends
- Export your personalized map view as a URL or an Embedded Map
- View the map in Full Screen (not applicable in some internet viewers)
You can search for a specific map location by typing it into this 'Search the Map' box.
A location can be any of the following:
- The name of a town or landmark like 'Crater Lake'
- An address such as '721 NW 9th ave, Portland, OR'
- Geographic Coordinates like '44.660972, -120.273394'
The left panel can also be minimized to make more room for the map viewer.
Click on the Our Florida Reefs logo at any time to return to our homepage.
The Data tab is where you'll find the data layers available for viewing.
- Click on a Theme to show the its Data Layers available for you to view
- Select one or more Data Layers to display it on the map
Clicking on the Themes will expand/contract the list of available Data Layers and/or Subthemes.
Clicking on the Layer names will display the data on the map.
Clicking on the info button will display the layer description in a separate pop up window.
This includes descriptive information, the source of the data, and links for download and further exploration.
Switching to the Active tab allows you to customize the data activated from the Data tab.
You can quickly turn layers on and off by clicking here.
Clicking on the transparency button gives you control over the layer's transparency on the map.
You can remove a layer from the Active tab by selecting the button (don't worry, you can activate it again under the Data tab).
The ordering of the layers on the map (which layers are "on top" of other layers) is the same as the ordering in the Active panel.
To change the order of the layers simply drag-and-drop the layer to the desired position in the list of layers.
Switching to the TOOLS tab allows you to generate reports about given areas.
This tool allows you to draw an arbitrary shape anywhere in Oregon and learn about the strategy species, habitats, and any Conservation Opportunity Areas that may be found there.
The GENERATE STRATEGY REPORT panel will show you all drawings that you have generated reports for.
The + NEW button creates a new report record for you to customize.
- Click on the map to begin drawing.
- Click again to drop a new point along your drawing's perimeter.
- Double-Click to drop your last point and stop drawing.
- Your drawing will be snapped to the outline of the planning units (hexagons) selected.
NOTE: You will be able to edit any mistakes later.
- If not perfectly happy with your drawing, click on the 'Edit Shape' button in the left panel to begin editing.
- Your original drawing will be shown with bright circles at your points and faded circles in the middle of each edge.
- Click and drag any faded circle to create a new point along the perimeter of your drawing.
- Click and drag any bright circles to move your existing points.
- When finished, click the 'Done Editing' button in the left panel, then click the 'Next >' button to continue.
NOTE: the 'Next >' button will be disabled while editing.
- After editing your drawing you will need to give it a name, and optionally a description.
- Be sure to make your entries meaningful as they will appear in any reports you export.
- Once you've clicked save, your drawing will appear in the TOOLS tab, from which you may:
- Toggle the drawing visibility,
- Make the map zoom to your drawing,
- Permanently delete your drawing.
NOTE: Drawings are not permanently stored. If you refresh the page they will be lost.
- When you finish creating your drawing a report about the area with links to the Conservation Strategy will appear to the right covering:
| Total Area |
Ecoregions |
Conservation Opportunity Areas |
| Strategy Habitats |
Documented Strategy Fish |
Observed Strategy Wildlife |
| Modeled Strategy Wildlife Habitat |
- Clicking 'Export' will give you the option of downloading the tabular data or viewing a printable version
- The print version contains its own map. Using your browser you can even print this to a .pdf file.


Style &
Design.
We are the best home designer in town.
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We are the best home designer in town.
This describes what we do and what is our mission. Lorem ipsum magicum dolor sit amet, consectetur adipiscing elit. Maecenas a sem ultrices neque vehicula fermentum a sit amet nulla.
This describes what we do and what is our mission. Lorem ipsum magicum dolor sit amet, consectetur adipiscing elit. Maecenas a sem ultrices neque vehicula fermentum a sit amet nulla.
Our customers trust us. At bottom, you can see our awesome performance. Lorem ipsum magicum dolor sit amet consectetur.


public class Ping
extends java.lang.Object
| Modifier and Type | Class and Description |
|---|---|
static interface |
Ping.PingListener |
| Modifier and Type | Field and Description |
|---|---|
static int |
PING_HYBRID |
static int |
PING_JAVA |
static int |
PING_NATIVE |
| Modifier and Type | Method and Description |
|---|---|
void |
cancel()
Cancel a running ping
|
PingResult |
doPing()
Perform a synchronous ping and return a result, will ignore number of times.
|
Ping |
doPing(Ping.PingListener pingListener)
Perform an asynchronous ping
|
static Ping |
onAddress(java.net.InetAddress ia)
Set the address to ping
|
static Ping |
onAddress(java.lang.String address)
Set the address to ping
Note that a lookup is not performed here so that we do not accidentally perform a network
request on the UI thread.
|
Ping |
setDelayMillis(int delayBetweenScansMillis)
Set the delay between each ping
|
Ping |
setTimeOutMillis(int timeOutMillis)
Set the timeout
|
Ping |
setTimes(int noTimes)
Set number of times to ping the address
|
Ping |
setTimeToLive(int timeToLive)
Set the time to live
|
public static final int PING_JAVA
public static final int PING_NATIVE
public static final int PING_HYBRID
public static Ping onAddress(java.lang.String address)
Note that a lookup is not performed here so that we do not accidentally perform a network request on the UI thread.
address
- - Address to be pingedpublic static Ping onAddress(java.net.InetAddress ia)
ia
- - Address to be pingedpublic Ping setTimeOutMillis(int timeOutMillis)
timeOutMillis
- - the timeout for each ping in millisecondspublic Ping setDelayMillis(int delayBetweenScansMillis)
delayBetweenScansMillis
- - the timeout for each ping in millisecondspublic Ping setTimeToLive(int timeToLive)
timeToLive
- - the TTL for each pingpublic Ping setTimes(int noTimes)
noTimes
- - number of times, 0 = continuouspublic void cancel()
public PingResult doPing() throws java.net.UnknownHostException
Note that this should be performed on a background thread as it will perform a network request
java.net.UnknownHostException
- - if the host cannot be resolvedpublic Ping doPing(Ping.PingListener pingListener)
pingListener
- - the listener to fire PingResults to.


Registers an event listener for barcode scanner data and displays the data values as they are reported.


SEARCHFS(1) BSD General Commands Manual SEARCHFS(1) NAME searchfs -- fast filename search on HFS+ and APFS volumes SYNOPSIS searchfs [-ldfespixnmoh] [-v mount_point/device_namelist_volumes] search_term DESCRIPTION searchfs searches for files by name on APFS and HFS+ volumes. Searching takes place at the driver level using the file system catalog via the low-level searchfs() kernel call. This means the volume's entire direc- tory tree can be scanned much faster than with a standard recursive directory search using /usr/bin/find. The paths to all files and directories with names matching the search term are printed to the standard output, one path per line. Search is case-insensitive by default. The following flags are supported: -l, --list List all mounted filesystems that support catalog search. -v, --volume path Specify volume to search, either by mount path (e.g. "/Vol- umes/SomeVol") or device name (e.g. "/dev/disk2s1"). Default is the root file system mounted at /. -d, --dirs-only Match directories only. -f, --files-only Match files only. -e, --exact-match Exact filename matches only. -s, --case-sensitive Case sensitive matching. -p, --skip-packages Don't match file system objects that are inside a package. A package is defined as a directory whose extension matches one of the extensions that are configured into the kernel by Launch Services. -i, --skip-invisibles Don't match invisible file system objects (that is, objects with the Finder attribute "Invisible" set) or any objects within invisible directories. -x, --skip-inappropriate Don't match any file system objects that are within an "inappro- priate" directory. Apple's current list of inappropriate direc- tories contains one item: /System. -n, --negate-params Show all file system objects that do *not* match the search term. -m, --limit number Terminate when the specified number of matching items has been found. -o, --version Print program version and exit. -h, --help Print usage and exit. EXAMPLES Find directories with name matching 'something' on root volume: searchfs -d something Find file with the exact name 'file.txt' on volume 'SomeHD': searchfs -v /Volumes/SomeHD -e file.txt The regular expression characters ^ and $ can be used to match only the beginning or only the end of a string, respectively. For example, find all filenames ending with the suffix '.txt': searchfs '.txt$' Find all filenames starting with "CHANGES": searchfs -s ^CHANGES Find *all* files on the root filesystem: searchfs * SEE ALSO find(1), locate(1), mdfind(1), searchfs(2) AUTHORS Sveinbjorn Thordarson<EMAIL_ADDRESS>Darwin May 16, 2019 Darwin


3D 画廊房间
Demo 1
Demo 2
Penn. Station, Madison Square Garden and Empire State Building
New York City, 2009, by
Thomas Claveirole
American Museum of Natural History #1
New York City, 2009, by
Thomas Claveirole
NYC Marathon in Harlem #4
New York City, 2009, by
Thomas Claveirole
Cathedral Church of Saint John the Divine #3
New York City, 2009, by
Thomas Claveirole
SoHo
New York City, 2009, by
Thomas Claveirole
Manhattan Downtown/Wall St. Heliport
New York City, 2009, by
Thomas Claveirole
Musée National du Moyen Âge
Paris, 2009, by
Thomas Claveirole
Métro Jussieu
Paris, 2009, by
Thomas Claveirole
Rose Main Reading Room, New York Public Library
New York City, 2009, by
Thomas Claveirole
Midtown Manhattan
New York City, 2009, by
Thomas Claveirole


{# Login display. #} {% if not current_user %}
{% module Icon('action') %} Don't have an account?  Go here to reset it.


public class AuthenticatedChannel extends ChannelDecorator
The user needs not to worry about any of the authentication and verification tasks. The owner of this channel can rest assure that when an object gets sent over this channel it gets authenticated with the defined MAC algorithm. In the same way, when receiving a message sent over this channel (which was authenticated by the other party) the owner of the channel receives an already verified and plain object.
| Constructor and Description |
|---|
AuthenticatedChannel(PlainChannel channel,
Mac mac)
This public constructor can be used by anyone holding a channel that is connected.
|
| Modifier and Type | Method and Description |
|---|---|
void |
close()
Close the channel.
|
boolean |
isClosed() |
java.io.Serializable |
receive()
Receives an authenticated message sent by the other party.
|
void |
send(java.io.Serializable msg)
Sends an authenticated message on the channel, using the underlying MAC algorithm.
|
void |
setKey(javax.crypto.SecretKey key)
Sets the key of the underlying MAC algorithm.
|
public AuthenticatedChannel(PlainChannel channel, Mac mac) throws SecurityLevelException
CommunicationSetup
which returns a set of already connected channels. (Note that PlainTCPChannel
does not have a public constructor, if you wish to establish
a connection without the CommunicationSetup you will need to write your own Channel class).channel
- an already connected channelmac
- the MAC algorithm required to authenticate the messages sent by this channelSecurityLevelException
- if the MAC algorithm passed is not UnlimitedTimes-securepublic void setKey(javax.crypto.SecretKey key) throws java.security.InvalidKeyException
key
- a suitable SecretKeyjava.security.InvalidKeyException
- if the given key does not match the underlying MAC algorithm.public java.io.Serializable receive() throws java.lang.ClassNotFoundException, java.io.IOException
null
if the message does not verify
java.lang.ClassNotFoundException
java.io.IOException
public void send(java.io.Serializable msg) throws java.io.IOException
msg
- the object to send to the other party AS IS, the only constraint is that it must be Serializablejava.io.IOException
public void close()
public boolean isClosed()


AboveIndex Blog
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Statistical Arbitrage: Finding Correlated Stock Pairs
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2017-01-01
Calculating Stock Beta, Alpha and R^2 using Pandas and Statsmodels
-
2017-01-02


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nips nips2004 nips2004-19 nips2004-19-reference knowledge-graph by maker-knowledge-mining
Source: pdf
Author: Taku Kudo, Eisaku Maeda, Yuji Matsumoto
Abstract: This paper presents an application of Boosting for classifying labeled graphs, general structures for modeling a number of real-world data, such as chemical compounds, natural language texts, and bio sequences. The proposal consists of i) decision stumps that use subgraph as features, and ii) a Boosting algorithm in which subgraph-based decision stumps are used as weak learners. We also discuss the relation between our algorithm and SVMs with convolution kernels. Two experiments using natural language data and chemical compounds show that our method achieves comparable or even better performance than SVMs with convolution kernels as well as improves the testing efﬁciency. 1
[1] Leo Breiman. Prediction games and arching algoritms. Neural Computation, 11(7):1493 – 1518, 1999.
[2] Michael Collins and Nigel Duffy. Convolution kernels for natural language. In NIPS 14, Vol.1, pages 625–632, 2001.
[3] Yoav Freund and Robert E. Schapire. A decision-theoretic generalization of on-line learning and an application to boosting. Journal of Computer and System Sicences, 55(1):119–139, 1996.
[4] David Haussler. Convolution kernels on discrete structures. Technical report, UC Santa Cruz (UCS-CRL-99-10), 1999.
[5] Hisashi Kashima and Teruo Koyanagi. Svm kernels for semi-structured data. In Proc. of ICML, pages 291–298, 2002.
[6] Hisashi Kashima, Koji Tsuda, and Akihiro Inokuchi. Marginalized kernels between labeled graphs. In Proc. of ICML, pages 321–328, 2003.
[7] Huma Lodhi, Craig Saunders, John Shawe-Taylor, Nello Cristianini, and Chris Watkins. Text classiﬁcation using string kernels. Journal of Machine Learning Research, 2, 2002. ¨
[8] Gunnar. R¨ tsch, Takashi. Onoda, and Klaus-Robert Muller. Soft margins for AdaBoost. Maa chine Learning, 42(3):287–320, 2001.
[9] Robert E. Schapire, Yoav Freund, Peter Bartlett, and Wee Sun Lee. Boosting the margin: a new explanation for the effectiveness of voting methods. In Proc. of ICML, pages 322–330, 1997.
[10] Robert E. Schapire and Yoram Singer. BoosTexter: A boosting-based system for text categorization. Machine Learning, 39(2/3):135–168, 2000.
[11] Vladimir N. Vapnik. Statistical Learning Theory. Wiley-Interscience, 1998.
[12] Xifeng Yan and Jiawei Han. gspan: Graph-based substructure pattern mining. In Proc. of ICDM, pages 721–724, 2002. 6 We tested the performances on Linux with XEON 2.4Ghz dual processors.


IDLE HANDS
There have been many classic films that provide a nearly flawless balance between comedy and horror. Two of the most successful, EVIL DEAD 2 and AN AMERICAN WEREWOLF IN LONDON, seem to have been the biggest inspirations for the new attempted black comedy IDLE HANDS. Unfortunately, the new film is neither as funny or as scary as its predecessors.
 His victims include his two best friends (Seth Green and Eldon Henson) who come back as zombies because they are too lazy to move on to the afterlife. There is plenty of mildly amusing humor involving pot smoking and severed heads, but a lot of it is stuff we've seen done better before in films like REANIMATOR. The stoner stuff is generally more successful than the mutilation slapstick: Sawa one-ups Sarah Michelle Gellar's cocaine-spoon crucifix in CRUEL INTENTIONS by wearing a pipe disguised as an asthma inhaler. I also like the scene where Sawa recognizes two police officers -- "You were seniors when I was a freshman" - and asks them if they're "holding." The two cops are outraged not so much at the illegality as at the brazen stupidity of asking cops for weed. Another good example of the type of humor they're going for is the scene where a horrified Sawa brings the pre-zombified Green and Henson into his house to show them that his parents are dead. They don't notice the corpses and assume that their friend has brought them in to watch the 2 Live Crew video playing on TV. I myself am always up for a joke involving corpses and 2 Live Crew, and this is a good one, but it doesn't have good enough timing to come off as anything more than a cheesy throwaway joke.
There's not a whole lot more to the story. There's not even a full explanation of where the hand-possession curse came from, why Sawa's character received it or why he was able to kill his parents without knowing it. What little explanation there is comes from Vivica A. Fox, who plays a voodoo priestess who (in the tradition of the bounty hunter guy in JASON GOES TO HELL: THE FINAL FRIDAY) lives to stab the possessed killer with one of them all powerful magic dagger things. Jack Noseworthy (star of DEAD AT 21, MTV's embarrassing mid-'90s attempt at a sci-fi series) plays a local heavy metal enthusiast who drives a souped-up truck that seems to play Motley Crue's "Shout At the Devil" 24 hours a day. His funniest moment is when he and Fox (two actors who, I feel compelled to note, have always bothered me) meet and have an overacting duel.
None of the characters are really fleshed out enough to be likeable or to be really funny. Most of the leads generate a few laughs, but it's easy to lose interest in their plight since it's all so lazily sketched out. Particularly useless is the buxom neighbor chick who Sawa is supposed to have long had a crush on. You're told that she writes lyrics and plays bass in a band, and that that's cool, and I guess that's supposed to give her a personality. Although she is later portrayed as intelligent and heroic, she is instantly charmed by Sawa, who is frantically wiggling his hand around, making bizarre statements, drenched in what he claims is cat blood, repeatedly attempting to strangle her. It's not the most believable teen relationship I've ever seen portrayed on screen - perhaps it's meant to give hope to today's generation of Last American Virgins. If this guy can get laid, so can you. And knowing is half the battle.
Although possessed hands had certainly been done before, it seems certain that the creators of IDLE HANDS were conscious of their film's similarities to the legendary EVIL DEAD 2 scene in which Ash has a fight with his own hand, then cuts it off, chases it into a mousehole and hunts it down like Elmer Fudd on speed. IDLE HANDS never matches the dark looniness of Ash stabbing his own hand, gleefully shouting "Who's laughing now!?" as the blood sprays on his face, nor does it have any lowbrow gags as goofily inspired as the severed hand taunting Ash by giving him the finger. Perhaps Sam Raimi would have known how to extend the premise to 90 minutes, but these filmmakers don't. While the hand is only one of many demonic villains in EVIL DEAD 2, it's the only one in IDLE HANDS, and as the story progresses it becomes increasingly difficult to think of as a genuine threat.
While watching the CHILD'S PLAY movies (even the first one, which I am able to take seriously) I often wonder if Chucky could really be such a threat to these people.   (If only little Andy had been on the soccer team Chucky never would have made it to the third act.) The hand in IDLE HANDS is much less menacing than Chucky, but of course it is able to defy gravity and many other physical laws and somehow manages to kill a lot of people. (I was thankful for its magic fighting powers in one of the film's best moments, when it single-evil-handedly scalps the lead singer of The Offspring.)
IDLE HANDS actually has a very similar feel to parts of BRIDE OF CHUCKY. Both films seem to be primarily lowbrow comedies, but occasionally there are humorless murder scenes that make you wonder whether the movie is actually supposed to be scary. BRIDE OF CHUCKY, however, is the far better film - its berserk puppet mayhem is enjoyably surreal, despite the many jokes that fall flat. I like movies where hands crawl around on their own and decapitated guys walk around carrying their own heads, but I've seen them before. BRIDE OF CHUCKY is only one of two movies I've seen where murderous puppets have sex, and it's the best of the two. (So how about that - if you're choosing between BRIDE OF CHUCKY, IDLE HANDS and MEET THE FEEBLES tonight, you have my recommendation.)
At one point, NIGHTMARE BEFORE CHRISTMAS director Henry Selick was attached to this script. It makes you wonder what kind of exquisitely designed imagery and stop motion severed hand action he had planned. The Selick-less film isn't much to look at, although to their credit the filmmakers mostly stick to old fashioned makeup effects rather than trendy CGI techniques (which so far tend to look out of place in horror films).
As the title implies, the film tries to preach a little bit about laziness leading to evil. For a while, the story links the hand problem with Sawa's empty pot-and-television lifestyle. But then it turns out that keeping his hands occupied really doesn't help, and our heroes smoke up to regain their strength when it really counts. This is typical of the film - too lazy to follow through with its theme, too lazy to work as a comedy or as a horror film or especially as a smooth combination of the two.
Important note: IDLE HANDS contains the Rob Zombie song "Dragula," which also appeared recently in THE MATRIX. Another Rob Zombie song, "Living Dead Girl," appeared in URBAN LEGEND, BRIDE OF CHUCKY and PSYCHO.  But I think it's time for his movie-soundtrack-hooker-uppers to take a holiday.
--Bryan Frankenseuss Theiss
"I write rhymes so fresh I try to bite my own verses." --Tash
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Class ErrorInfo (2.9.0)
Describes the cause of the error with structured details.
Constructors
ErrorInfo()
Default constructor.
Post-condition: the reason()
, domain()
, and metadata()
fields are empty.
ErrorInfo(std::string, std::string, std::unordered_map< std::string, std::string >)
Constructor.
| Parameters | |
|---|---|
| Name | Description |
reason |
std::string
initializes the |
domain |
std::string
initializes the |
metadata |
std::unordered_map< std::string, std::string >
initializes the |
Functions
reason() const
The reason of the error.
This is a constant value that identifies the proximate cause of the error. Error reasons are unique within a particular domain of errors. This should be at most 63 characters and match a regular expression of [A-Z][A-Z0-9_]+[A-Z0-9]
, which represents UPPER_SNAKE_CASE.
| Returns | |
|---|---|
| Type | Description |
std::string const & |
domain() const
The logical grouping to which the "reason" belongs.
The error domain is typically the registered service name of the tool or product that generates the error. Example: "pubsub.googleapis.com". If the error is generated by some common infrastructure, the error domain must be a globally unique value that identifies the infrastructure. For Google API infrastructure, the error domain is "googleapis.com".
For errors generated by the C++ client libraries the domain is gcloud-cpp
.
| Returns | |
|---|---|
| Type | Description |
std::string const & |
metadata() const
Additional structured details about this error.
Keys should match the regular expression [a-zA-Z0-9-_]
and be limited to 64 characters in length.
When identifying the current value of an exceeded limit, the units should be contained in the key, not the value. For example, if the client exceeds the number of instances that can be created in a single (batch) request return {"instanceLimitPerRequest": "100"}
rather than {"instanceLimit": "100/request"}
.
| Returns | |
|---|---|
| Type | Description |
std::unordered_map< std::string, std::string > const & |


Michał Zając
Using one TCP socket.
Technically, no. Practically, yes.
WebSockets were designed to work over HTTP ports 80 and 443 and to support proxies and other intermediaries.
According to https://caniuse.com/#feat=websockets all modern browsers support WebSockets.
WebSockets use HTTP Upgrade header to change the protocol.
GET /chat HTTP/1.1
Host: server.example.com
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==
Sec-WebSocket-Protocol: chat, superchat
Sec-WebSocket-Version: 13
Origin: http://example.com
HTTP/1.1 101 Switching Protocols
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk=
Sec-WebSocket-Protocol: chat
GET
.Host
header which matches the WebSocket URI.Connection
header whose value MUST include Upgrade
token.Sec-WebSocket-Key
header whose value MUST be a base64-encoded 16-byte value.Sec-WebSocket-Version
header whose value MUST be 13
.101 Switching Protocols
.Upgrade
header with value being case-insensitive match of websocket
.Connection
header with value matching Upgrade
case-insensitively.Sec-WebSocket-Accept
header with value being base64-encoded SHA-1 of Sec-WebSocket-Key
with the string 258EAFA5-E914-47DA-95CA-C5AB0DC85B11
Once the connection is established both client and server can send WebSocket data or text frames back and forth in full-duplex mode.
The data is minimally framed, with a small header followed by payload.


Skip to content This repository Pull requests Issues Gist @samimoftheworld 4 12 3 happyworm/Playful-Demos Code Issues 0 Pull requests 0 Projects 0 Wiki Pulse Graphs Playful-Demos/demo-01.html 01b4deb on 9 Jun 2014 @thepag thepag Added compressor to demo 1 448 lines (406 sloc) 11 KB
Demo: Story:
Please wear headphones for best results. Otherwise, the story audio can interfere with the mic VAD.
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I am a thorough and detail oriented problem solver, transitioning from interior design to development. With over 8 years of experience in a large corporate environment, I had worked on a variety of requests, ranging from delivering a chair from inventory to coordinating the installation of new furniture for an entire floor. Even though I was working in design, something was missing.
I have always had the urge to create and recently became interested in computer science after an introductory weekend course. With the encouragement of my husband, who is a software engineer, and the support of family and friends, I realized that it was time for a fresh start and began my new career path.
As a developer with a design background, my goal is to create applications that are both streamlined and beautiful, providing an elegant solution for the client.
As an anticipated graduate of the .Net Accelerated Learning Program at Eleven Fifty Academy, I have been working primarily with C# and Visual Studio. I have experience with HTML, CSS, JavaScript, and Sublime Text, which are also part of the curriculum. Git is my preferred means of version control and I have familiarity with SQL and Azure deployment, as well as the Agile/Scrum workflow methodology.
Below are some examples of my work.