NOTE: The information in this document is based on the Systre 1.2.0 release. Other versions of Systre may behave slightly differently.
The program SYSTRE is designed to analyze periodic nets as they arise in the study of extended crystal structures (as opposed to molecular crystals). The acronym stands for Symmetry, Structure and Refinement. SYSTRE uses a method called barycentric placement to determine the ideal (i.e., maximal embeddable) symmetry of a crystal net and to analyze its topological structure. It then generates a unique "fingerprint" for the topological type of the given net and uses that to look up the structure in its built-in database (see below). Users can also create their own databases.
SYSTRE also computes a refined embedding of the given net using a method based on simulated forces. The targeted embedding is one that minimizes the edge length variance (normalized to unit length) and maximizes the unit cell volume. The forces modeled are not physically realistic, but should in most cases result in viable input for molecular modeling software.
Currently, SYSTRE's built-in database contains all feasible nets from the RCSR online resource as of May 22, 2013.
The 13 RCSR nets that Systre currently does not recognize are bad, bae, bai, bbu, bcr, cys, fco, hyx, lcw, nbo-g, tep, uld and ulm.
SYSTRE is part of The Gavrog Project.
SYSTRE requires a Java runtime environment (JRE) of version 1.5 or higher. On some systems, Java will already be installed as a prerequisite for other programs. Otherwise, the most straightforward way to get a JRE is to download it from java.com and follow the installation instructions given there. Set all path variables correctly for your system as instructed (this should be done automatically in most cases), so that the java command can be recognized. If supported by your system, make sure that the file extension .jar is associated with the Java executable.
Installing SYSTRE itself is very easy. Just download the file Systre.jar and put it anywhere you like, for example on your desktop. A SYSTRE executable is also included in the main Gavrog distribution available from http://www.gavrog.org.
The Gavrog installer automatically installs SYSTRE along with 3dt and creates a batch file Systre or Systre.bat in the bin subdirectory of your chosen installation location. Please refer to your operating system documentation on how to execute such files. On Windows and some Unix machines, the installer can also create desktop icons for both 3dt and SYSTRE.
The simplest way to start SYSTRE is to double-click its icon. If that does not work, and you are sure that Java is correctly installed and all path variables set correctly, open a console window and type the command
java -jar Systre.jar
from the same folder that you put Systre.jar in. Alternatively, add the appropriate path. For example, if you downloaded Systre.jar to a folder named C:\Programs\Systre (on a Windows system), change the above to
java -jar C:\Programs\Systre\Systre.jar
To make things easier, you can create a batch file (a.k.a. shell script) containing the command. Please refer to your operating system manual on how to create and execute such files.
Using SYSTRE is very simple. Run SYSTRE, then use the [Open...] button to read in a file of net descriptions. SYSTRE will process the first net in the file and describe the results in an informal way. If there are more nets, use the [Next] button to step through them. When you are finished with a file, you can store the results in one of several formats using the [Save as...] button. The [Help] button displays this text and, finally, the [Options...] button lets you modify some of SYSTRE's internal workings.
SYSTRE uses three basic file types:
If you read or write a file from within SYSTRE, the extension will determine the format of the file and the extend of information in it. Typically, you would read a structure file and save the output in a protocol file. But you might also want to produce a .cgd file with the new symmetry group and node positions as determined by SYSTRE.
Here are some details on how to enter certain types of information in structure files:
Enter the space group symbol as it appears in the International Tables, except that "bar 3", "bar 4" etc. are written as -3, -4 and so on and subscripts are written as regular numbers. Examples: Fd-3m, I41/amd, P212121.
If you specify a crystal without explicit edges as in the first and fourth example below, SYSTRE needs to compute edges based on nearest neighbors. This does not only depend on the correct cell parameters, but also on the origin choice. For groups that have two conventional choices as according to the international tables, SYSTRE uses the second one by default. This can be changed in the 'Options' dialog.
Another way to make sure that the correct origin choice is used is to append :1 or :2, respectively, to the group name as in Example 4 below.
Hexagonal versus rhombohedral settings for rhombohedral groups are handled analogously to the above. In this case, append :H (the default) or :R, accordingly.
Below are some examples of legal input for SYSTRE. You can cut and paste any of the following examples (or all of them) into a .cgd file using your favorite text editor (e.g. Notepad on Windows) and open it from within SYSTRE.
The SYSTRE format allows comments, which start with a # character and continue until the end of the current line.
Example 1: Diamond, specified by space group, unit cell and positions. SYSTRE computes edges by finding nearest neighbors. Edge lengths have to be larger than 0.1. If any pair of nodes is closer than that, an error is reported. If this is the case for your data, you should try scaling the unit cell parameters accordingly. The keywords NODE and ATOM are equivalent, as are the keywords ID and NAME.
# The type of data to expect CRYSTAL # Structure id (optional; ID and NAME both work) ID diamond # The space group GROUP Fd-3m # Cell parameters: a b c alpha beta gamma CELL 2.3094 2.3094 2.3094 90.00000 90.00000 90.00000 # Atom specification: name coordination x y z # (decimal numbers or fractions can be used for coordinates) ATOM 1 4 5/8 5/8 5/8 # This ends the structure description END
Example 2: Diamond, specified as a periodic graph. Here, only translational symmetries are assumed, and no coordinates are needed. Edges are given explicitly in the form u v x y z, where u and v are node numbers and x y z specifies the "address" of the unit cell to connect to as an integer vector. For example, the line 1 1 0 1 0 defines an edge between node 1 and its copy shifted one unit along the y axis.
PERIODIC_GRAPH ID diamond EDGES 1 2 0 0 0 1 2 1 0 0 1 2 0 1 0 1 2 0 0 1 END
Example 3: For CRYSTAL input, edges can be given explicitly, as well. This is often preferable to letting SYSTRE compute them.
CRYSTAL NAME real CdSO4 GROUP Pmn21 CELL 6.558 4.698 4.719 90.0 90.0 90.0 # First kind of atom ATOM 1 4 0.0000 0.6657 0.7306 # Edges can be specified by giving the names of the endpoints EDGE 1 2 # or by giving a number for the first and coordinates for the second. EDGE 1 0.0000 0.1416 0.2500 # or by giving coordinates for both EDGE 0.0000 0.6657 0.7306 0.0000 1.1416 1.2500 # The Keyword EDGE may be missing on consecutive lines. 1 -0.5000 0.8584 0.7500 # Second kind of atom. ATOM 2 4 0.5000 0.8584 0.7500 # Second group of edge specifications. EDGE 2 0.0000 0.6657 0.7306 2 1.0000 0.6657 0.7306 2 0.5000 1.3343 0.2306 2 0.5000 0.3343 1.2306 END
Example 4: This example describes a more complicated graph and will take SYSTRE significantly longer to complete. It shows two situations in which quotes are required.
CRYSTAL ID LTN # Group Fd-3m with first origin choice instead of second # (likewise, use ":R" for rhombohedral setting, where applicable) GROUP "Fd-3m:1" CELL 35.622 35.622 35.622 90.000 90.000 90.000 ATOM # If the first field in a line starts with a letter, it is assumed # to be a keyword, so in this example, the atom names need to be quoted. "SI1" 4 0.3112 0.2500 0.3727 "SI2" 4 0.4345 0.2481 0.3721 "SI3" 4 0.3897 0.3285 0.4532 "SI4" 4 0.5396 0.3394 0.3996 END
If you are dealing with a large number of nets that SYSTRE does not know of, you might want to read and write your own archive files. These contain fingerprints of nets processed by SYSTRE. If you read in an archive file after starting SYSTRE, it will temporarily add those fingerprints to its list of "known" nets and thus recognize them. If you write an output file with the extension .arc, it will contain fingerprints of all the "new" nets so far encountered in the current input file. Each block of lines in which the first line starts with the word key and the last line reads end constitutes one fingerprint. You can use a standard text editor to cut and paste those blocks and thus maintain your own private archives of nets.
As of Version 1.1.8, Systre will look for a folder named .systre in your user home directory upon startup and load all archive files in that folder automatically.
If you encounter any problems, please check your input thoroughly. There are many opportunities for typos and SYSTRE is very sensitive to input errors, especially when edges are not given explicitly.
There are some quirks and limitations, though, that you should be aware of when using SYSTRE.
SYSTRE identifies nodes by their barycentric positions, which is the key to its efficient algorithms. If different nodes collide, i.e., if they have identical barycentric positions, this method fails. The present version of SYSTRE is not able to handle some nets with collisions and will produce an error message. This seems to be a fairly rare case, though, especially in nets that emerge from actual crystal structures.
Furthermore, SYSTRE currently only works for nets of dimensions 2 (plane nets) and 3.
With some versions of the Java runtime environment, occasional program crashes or miscalculations have been experienced. SYSTRE double-checks its computations very thoroughly, though, so that erroneous results are highly unlikely to go undetected. Much more likely, the program will terminate for no apparent reason or produce an "INTERNAL ERROR" message. In those cases, the best strategy is to restart SYSTRE or just to rerun the net that produced the problem.
For the moment, please report bugs to<EMAIL_ADDRESS>Make sure that your input is correct and that the problem is reproducible. Enclose your input file and any output that SYSTRE produced, or, if that is not possible, describe the problem and any messages that you may have seen as detailed as possible. Tell me which operating system and which version of Java you were using.
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Michael O'Keeffe made me aware of the problems that SYSTRE aims to solve and has supported and guided its development over many years. He also came up with the name.
Michael Treacy, Davide Proserpio, Martin Foster, Martijn Zwijnenburg, Stuart Ramsden, Vladislav Blatov, Stephen Hyde and others helped a lot by testing, criticizing and discussing SYSTRE.
My work on SYSTRE and its theoretical background was partially supported by grants from the Petroleum Research Foundation and the National Science Foundation.


Hypertext Markup Language (HTML) is the standard markup language for creating web pages and web applications. With Cascading Style Sheets (CSS) and JavaScript it forms a triad of cornerstone technologies for the World Wide Web. Web browsers receive HTML documents from a web server or from local storage and render them into multimedia web pages. HTML describes the structure of a web page semantically and originally included cues for the appearance of the document.
HTML elements are the building blocks of HTML pages. With HTML constructs, images and other objects, such as interactive forms, may be embedded into the rendered page. It provides a means to create structured documents by denoting structural semantics for text such as headings, paragraphs, lists, links, quotes and other items. HTML elements are delineated by tags, written using angle brackets. Tags such as <img /> and <input /> introduce content into the page directly. Others such as <p>...</p> surround and provide information about document text and may include other tags as sub-elements. Browsers do not display the HTML tags, but use them to interpret the content of the page.
HTML can embed programs written in a scripting language such as JavaScript which affect the behavior and content of web pages. Inclusion of CSS defines the look and layout of content. The World Wide Web Consortium (W3C), maintainer of both the HTML and the CSS standards, has encouraged the use of CSS over explicit presentational HTML since 1997.
-Shamelessly copied and pasted from Wikipedia


here, and follow the guide to install it on your OS.
Once launch your Mockoon application, click Import/export button on the menu. Then select Mockoon's format -> Import from a file(JSON). And select the mockoon.json file under integration_test folder.
After import, you should see an enviroment named HNB(HN) in the slide. Select it and clike the green play button(Start server).
Use the command below to run integration test.
flutter drive -t integration_test/integration_tests.dart --driver=integration_test/integration_test_driver.dart --flavor qa
All services must be arranged in alphabetical order by name.
Mockoon application does not support search currently. If you need to find out a service in GUI application. Here has 2 scenarios.


Sept. 2021 - Apr. 2022
In 2020, over 53.6 million tonnes of e-waste was produced and only 17.4% of this was formally recycled.
The main goal of this project was to design and build a machine that can desolder a used PCB in order
to remove and sort as many microelectronic components as possible including resistors, transistors and
larger ICs. This project aimed to ultimately reduce the e-waste directly and indirectly caused by the
lack of PCB recycling.
View project website
Jan. 2020 - Feb. 2020
This robot was used to align a target for a projectile that was launched from above it. The robot was programmed for interactive control using C on a Nucelo development board with an ARM microcontroller. The robot had two axes that utilized limit switches and interrupts to provide bounds checking (i.e. ensure that the motors did not fall off their racks). Controls for speed and direction were programmed to be provided by a potentiometer and terminal, respectively.
Oct. 2017 – Dec. 2017
As a project in my first year of Mechatronics Engineering, I collaborated in a team of four to design a robot capable of solving colour-coded Sudoku puzzles. The Sudoku grids were colour coded in order for them to be read using a colour sensor. The robot was programmed in C to traverse the grid and read in the different colours. Once the robot completed the grid traversal, it then calculated the solution (if possible), and displayed this solution on the screen.
Nov. 2016 – Mar. 2017
The VEX Starstruck Competition is based around a 12' by 12' field with a fence in the middle of this field.
Two teams are situated across from each other on this field. The purpose of the competition is to
design a robot to throw the stars and cubes on the field onto the opposing team's side. At the end
of the match, the team that has thrown more stars and cubes onto their opponent's side wins. The competition
consists of an autonomous period, where the robot operate on its own, and then a controlled period,
where the robot must be controlled using a joystick controller.
I lead a team of 4 to build a robot to compete in the VEX Starstruck Robotics Competition. We created
our robot using VEX EDR parts, which was one of the requirements of the contest. We programmed our robot
in C for both the autonomous period and the controlled period of the competition.
Jul. 2019 – Aug. 2019
RTX Space Invaders was created based on the retro video game Space Invaders.
The game was designed for the NXP ARM LPC 1768 microcontroller in C using multiple threads
to manage the game's various properties such as score and position. Onboard peripherals were used to allow the user to
interface with the game. The peripherals used were a joystick to control the user's position, a push button to fire the user's weapon,
and LEDs to keep track of the user's score. To achieve the necessary concurrency on the single core ARM Cortex-M3 processor found
on the LPC 1768 board, CMSIS-RTOS2 was used for thread management.
View on GitHub
Jul. 2019 – Aug. 2019
This robot was created with two main functions: to follow a black line on a white surface and to detect magnets placed along the black line.
The line detection was done using two photodiodes and the magnet detection was done using a Hall effect sensor. The robot was programmed for
autonomous function using C and an 8-bit microcontroller.
The line-following functionality of the robot was done using two photodiodes placed on the left and right side of the robot.
These photodiodes measured the light reflected from the surface underneath. Based on difference in light reflected, the
robot would then turn left or right. The photodiodes were
used in short-circuit mode; based on the light intensity received by the photodiodes, current was generated. To generate a single-ended
signal from the output of the two photodiodes, a transresistance amplifier was first used for each photodiode to transduce the
generated current into voltage. Then, these two voltages were fed into a differential amplifier to generate a single-ended signal. This
signal was then used by the microcontroller to identify if the robot should turn left or right.
The magnet detection functionality of the robot was achieved using a Hall effect sensor with a non-inverting amplifier to amplify
and zero the voltage generated by the Hall effect sensor due to the surrounding magnetic field.


Big-hearted Creetown residents organising party to make sure no one spends Christmas alone
Volunteers are sacrificing their big day to host a party in Creetown Youth Club Hall
by Stuart Gillespie, https://www.dailyrecord.co.uk/authors/stuart-gillespie/Big-hearted Creetown residents have pledged that no-one living locally will spend Christmas on their own.
And to make that happen volunteers are sacrificing their big day to host a party in the village.
An unofficial committee has been formed to run the event – which will be free to everyone attending.
Founders Eddie McGaw, Val Nichol, Evelene McClymont and Donna Alexander have already been inundated with cash and gifts.
Evelene said: “This is for everybody that’s on our own – no matter what their age.
“We want to help because you don’t want anybody to be lonely.
“We dont yet know what kind of numbers we will get but even if we get five or 10 people at least we will have made a difference for some folk.”
Evelene, 61 and friend Val, 59, will be cooking turkey and all the trimmings at home.
The festive fare will then be taken piping hot up to Creetown Youth Club Hall.
And from noon to 3pm drinks, a sing-a-long, bingo and music will also be laid on.
Evelene reckons putting off family celebrations is a small price to pay.
“We can have dinner at night when we get home,” she said.
“This is something for folk to look forward to instead of sitting on their own at Christmas.
“Transport will be laid on for folk if anyone needs it – they don’t have to worry about going.”
The party committee has already met twice and will gather again on December 5 – the deadline for names to be submitted.
Several other volunteers have come on board since the group was formed.
Val, 59, said: “We are asking local businesses for help. Some and have already given us raffle prizes and donations.
“People have just been handing us money in the street. Everybody has been absolutely wonderful.”
She added: “If this benefits other folk that’s what matter most. We know we all have families to come home to.”
Anyone from Creetown or Carsluith who would like to attend the party – or knows someone who would – can contact Eddie on 07967 267850, Val on 07552 560429 or Evelene 07975 798801 by December 5.


Whatever you're looking for, it's not here. If you are convinced that should not be the case, please e-mail us to let us know.


WITNESS LIST Defense Affairs and State-Federal Relations Committee April 24, 2003-8:00A HB 80 For: Gardner, Glen (Texas Veteran of Foreign Wars, Texas Coalition of Veterans Org.) On: Buerschinger, Charles (Texas Veterans Commission) Oldmixon, Douglas E. (Texas Veterans Land Board) Registering, but not testifying: For: Patterson, Jerry (General Land Office / Veterans Land Bd.) HB 743 For: McLaughlin, James (Texas Police Chiefs Association) Schechter, Cathy (Anti Defamation League, Southwest Region) HB 2540 For: Garza, Frank J. (General Counsel for Greater Kelly Development Authority and Brooks Development Authority) Rasmussen, Bob (Greater Kelly Development Authority, Kelly USA) Rumora, Thomas M. (Brooks Development Authority (owner and developer of former Brooks Air Force Base)) HB 3211 For: Patterson, Jerry (General Land Office / Veterans Land Board) HCR 27 Registering, but not testifying: For: Patterson, Jerry (General Land Office / Veterans Land Board) HCR 156 Registering, but not testifying: For: Patterson, Jerry (General Land Office / Veterans Land Bd.) HCR 161 For: Gardner, Glen (Texas Coalition of Veterans Org.) Patterson, Jerry (General Land Office / Veterans Land Board) On: Oldmixon, Douglas E. (Texas Veterans Land Board)


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Mon Jan 9, 2017
Shelling out for a fitness tracker in January seems like a cliché. Yet, here I am - shelling out for a fitness tracker. I don’t have a New Year’s resolution to get in shape, and I’m not planning on buying one of those ill-fated gym memberships that everybody regrets signing up for after one too many holiday pig-outs.
It is true though that I haven’t gone running for a while. I entirely blame the anomalous snowy weather we’ve been having on the West Coast for that. I also know that a fitness tracker won’t work miracles in getting my butt off the couch - only good old-fashioned discipline can do that.
I guess buying my first fitness tracker just kind of happened.
It all started a few days before Christmas. I was still in that trigger-happy purchasing mode you get into after ordering all your gifts online. This unbelievable deal came up on a Garmin Vivofit HR fitness tracker. Forty bucks. It was a one-click impulse buy.
Anyway, the deal ended up on the Red Flag forums so of course hundreds of thousands of people tried to order one. Or two, or three. Needless to say, most of the orders were cancelled, including mine.
But by that time I’d already researched the hell out of the Vivofit I thought I’d be getting and really warmed up to the idea of wearing a dedicated fitness tracker. Although wearables in general have had a bit of a rough year, fitness trackers have carved out a niche market for themselves. Where smartwatches try to do it all, fitness trackers are far more focused and useful. I was ready to jump in and give them a try.
So, I did some more research - this time with more careful consideration of the design and features I liked. Only one fitness tracker stood out for me.
This tracker comes from a company who has started taking more risks in the last few years. A company who has moved from ripping off design to playing on the bleeding edge of design. A company who tries to get it right with a strategy of frequent reiteration. Sometimes their risk-taking backfires horribly. But sometimes they come up with something really intriguing. That company is Samsung.
And their fitness tracker, the Gear Fit 2, although not perfect, is quite simply the most compelling one out there today - at least for me it is (everybody is, of course, entitled to their own opinion).
I don’t want to bore you (and me) with a hyperbolic rhapsody about how the curved AMOLED display wraps subtly around the wrist in a sleek, understated design, or how the inky blacks and vibrant colours make data visualization on the device a pleasure to view. So, I’ll stop right there.
But you can’t argue with any fitness tracker that packs in so many sensors, including a heart rate monitor, GPS, accelerometer, gyroscope, and barometer for only $150 (on sale at Best Buy). These sensors are what allows the Gear Fit to automatically detect your activities, determine your speed and distance, and plot your route on a map. Throw in sleep tracking, move reminders, step count, and floors climbed and you’ve got yourself a winner. That kind of functionality is on par with the Apple Watch Series 2 - except that the Apple Watch costs over $500.
The Gear Fit 2 has been out for about half a year now for Android phones only. I knew that Samsung was working on supporting iOS sometime this year and that was good enough for me. As luck would have it though, one day after I ordered it (and before it even arrived), Samsung announced iOS compatibility at CES. So I was ready to go out of the box with syncing up to my iPhone.
Not all the phone sync stuff made the port, but I can receive notifications from my iPhone, as well as view my health metrics in Samsung’s “S Health” app, among other things. You don’t really need much else for a fitness tracker. However, if I was buying a full-fledged $500 Samsung smartwatch, like the Gear S3, the limited functionality would give me pause. I would probably just shell out for an Apple Watch in that case.
But perhaps smartwatches are ultimately a failed experiment. Even though Apple has pivoted on their watch to position it more as a fitness device, it is still, by virtue of it’s original form factor - a watch. Also, a fitness tracker does not need premium materials, such as a sapphire screen and a gold housing. For example, as was obvious even when it first debuted, nobody wants to pay $20,000 for a solid gold Apple Watch.
The fact of the matter is that Apple doesn’t make a fitness tracker. They should though, because it would be great. It actually seems very un-Apple like to make something that does too much by trying to please everyone. If they really are trying to continue Steve Jobs’ legacy, you would expect a more intentional device with a singular purpose and a simple user interface but with that undefinable richness to it that elicits that one emotion that Apple is perpetually chasing: delight. Maybe that’s asking too much?
I should mention that the Gear Fit 2 uses a modded version of the open-sourced Tizen operating system, not Android Wear. From my experience, it is fluid and responsive and perfectly fine for a UI on a small screen. However, there is virtually no third-party app support, so I don’t hold out much hope for viewing twitter feeds or calling Ubers on this thing - not that I’d want to.
What I’m really looking forward to is just doing it - getting out there and running. At the moment, all my Gear Fit 2 is doing is nudging me to move when I’ve been sitting for too long. But there are benefits to even this limited amount of activity.
I talk a big game when it comes to running through the winter, but all the snow on the ground this year has made it physically impossible to get out there much. My brother-in-law suggested hammering in a bunch of screws onto the soles of my running shoes for traction, but this seems a bit extreme. He lives in Edmonton though, so maybe that’s how they roll over there.
Anyway, to wrap up, let me just say that I give the Gear Fit 2 a big thumbs up for anybody who wants to get their first fitness tracker. I’m looking forward to seeing what the next few years brings to this market - that’s something I wouldn’t have said a few years ago.


Curve-shortening flow is the simplest example of a curvature flow. It moves each point on a plane curve \(\gamma\) in the inwards normal direction \(-\nu\) with speed proportional to the signed curvature \(k\) at that point, as described by the equation
$$ \frac{\partial \gamma}{\partial t} = - k \nu.$$
The name "curve-shortening" comes from the fact that the curve is always moving so as to decrease its length as efficiently as possible. The flow is the lowest-dimensional case of the mean curvature flow: for example, the next case deforms surfaces so as to decrease their area efficiently.
For any initial curve that does not intersect itself, the flow will converge to a "round point" in finite time - this is the Gage-Hamilton-Grayson theorem.
New: You can make video recordings of this demonstration by following this link. Only works in Google Chrome (not mobile friendly).
The demonstration on this page scales time by a factor of \(1/\max |k|\) for each curve to avoid numerical errors.
Self-intersecting curves also jump over some cusps that are singularities of the smooth flow - this behaviour is qualitatively (and perhaps quantitatively) the same as that of the weak formulation of the flow.
This applet is open-source - it was developed by me and other contributors, and can be freely modified and redistributed by anyone. Check out the source code at GitHub.
« Home


Mississippi is the home to two military laboratories. The challenge for the local communities surrounding the labs and Mississippi as a whole, is to identify opportunities within the research being conducted and the intellectual property (IP) being created within the labs to spin out economic activity in the commercial sector.
United Staes Army Corps of Engineers, Engineer Research and Development Center(ERDC)
3909 Halls Ferry Rd | Vicksburg, MS 39180 |
Website
The Engineer Research and Development Center is headquartered in Vicksburg, MS. We are an international leader in research, and have programs that conduct research in the physical sciences.
Several of our laboratories are based in Vicksburg:
Coastal and Hydraulics Laboratory- conducts research in all aspects of water interaction with sediment, structures and operations, dividing topics into two categories: coastal engineering and hydraulic research.
Environmental Laboratory- focus in areas of ecosystem science and technology and environmental resiliency.
Geotechnical and Structures- Department of Defense lead for science and technology in the areas of survivability and protective structures, airfields and pavements, and sustainment engineering.
Information Technology Laboratory- offers expertise in the science of information, the practice of information processing and the engineering of information systems.
ERDC also has contracts with Mississippi companies of over $19 million, as well as partnerships with Alcorn State and Jackson State Universities, and Hinds Community College. There are 46 active patents at ERDC; the majority of which may be licensed for commercial benefit. Furthermore, the Department of Defense offers opportunities at co-development of technologies through Cooperative Research and Development Agreements (CRADAs), which are easily obtained and favorable to both the efforts of the US military and private industry.
Resources:
ERDC Information
United States Naval Research Laboratory, Stennis Space Cener (NRL-SSC)
1005 Balch Boulevard | Stennis Space Center, MS 39529 |
Website
The Naval Research Laboratory at Stennis Space Center serves as the lead Navy laboratory for research in fields dealing with the Blue Economy such as:
Marine geosciences- focuses applied scientific research in three primary areas: (1) characterizing the seafloor and coastal areas, (2) modeling of the seafloor and modeling of the processes causing changes in the seafloor, and (3) furthering precise 4D geospatial information science and technologies.
Oceanography- conducts theoretical and experimental research of biological, chemical, dynamical, and physical processes of the open ocean, coastal and littoral areas, and marine boundary layers.
Underwater Acoustics- research centers on characterization of environmental acoustics and the theoretical understanding and numerical modeling of how acoustic waves interact in the marine environment.
Resources:
NRL Site:
Tech Transfer Office
Defense Labs Community Playbook


--- layout: post title: Inspecting a live Ruby process post_id: 151 categories: - tips & tricks date: 2006-09-22 08:43:00.000000000 -06:00 author: Jamis permalink: 2006/9/22/inspecting-a-live-ruby-process.html ---
So, there are you. Logged into one of your production machines, staring at a rogue Ruby process, and wondering why it has been running away with 90% of the CPU for the last half hour.
Sure, you can kill it, but you’d really like to know why it is stuck there. This isn’t the first time you’ve noticed this problem, and you’re getting a little tired of manually patching things up. But how do you figure out where the process is stuck?
We were faced with this same issue not long ago, periodically noticing a Backpack process hanging there in midair, sucking up as much CPU as it could. I finally took an hour and learned just enough GDB to eke a Ruby stack-trace from a running Ruby process.
Here’s what you do. First, get the process id, and attach GDB to that process:
sudo gdb /usr/local/bin/ruby <pid> |
(Depending on your own setup, you may or may not need to use sudo
.)
That should open up GDB, spit out a bunch of information, halt the Ruby process, and then tell you what C function the process was halted in:
1 2 3 4 |
Attaching to program: `/opt/local/bin/ruby', process 17090. ... 0x9001aafc in select () (gdb) |
In the above example, knowing that it was stuck in “select” is only marginally helpful. What was Ruby doing? That’s the question I want answered. To get that, we have to take advantage of a feature of GDB that lets you invoke C functions from the console. Essentially, we’re going to use the Ruby C API to get the answers we need:
1 2 3 4 5 6 7 |
(gdb) set $ary = (int)backtrace(-1) (gdb) set $count = *($ary+8) (gdb) set $index = 0 (gdb) while $index < $count > x/1s *((int)rb_ary_entry($ary, $index)+12) > set $index = $index + 1 >end |
First, we call Ruby’s backtrace
function to get a (ruby) array of strings. Then, we determine how many elements there are in the array, and loop over them in order. We call rb_ary_entry
to return the elements at each index, and do some pointer arithmetic to get the actual char*
pointer. We display that, increment the index, and go again. The result:
1 2 3 4 5 6 7 8 9 10 11 12 13 |
0x37c0790: "/opt/local/lib/ruby/gems/1.8/gems/capistrano-<IP_ADDRESS>85/lib/capistrano/shell.rb:36:in `readline'" 0x37380f0: "/opt/local/lib/ruby/gems/1.8/gems/capistrano-<IP_ADDRESS>85/lib/capistrano/shell.rb:36:in `run!'" 0x3745e60: "/opt/local/lib/ruby/gems/1.8/gems/capistrano-<IP_ADDRESS>85/lib/capistrano/shell.rb:35:in `run!'" 0x35ed2c0: "/opt/local/lib/ruby/gems/1.8/gems/capistrano-<IP_ADDRESS>85/lib/capistrano/shell.rb:15:in `run!'" 0x37a82d0: "/opt/local/lib/ruby/gems/1.8/gems/capistrano-<IP_ADDRESS>85/lib/capistrano/recipes/standard.rb:269:in `load'" 0x11712c0: "/opt/local/lib/ruby/gems/1.8/gems/capistrano-<IP_ADDRESS>85/lib/capistrano/actor.rb:159:in `shell'" 0x2564230: "/opt/local/lib/ruby/gems/1.8/gems/capistrano-<IP_ADDRESS>85/lib/capistrano/cli.rb:256:in `execute_recipes!'" 0x2f83750: "/opt/local/lib/ruby/gems/1.8/gems/capistrano-<IP_ADDRESS>85/lib/capistrano/cli.rb:256:in `execute_recipes!'" 0x2d1b170: "/opt/local/lib/ruby/gems/1.8/gems/capistrano-<IP_ADDRESS>85/lib/capistrano/cli.rb:233:in `execute!'" 0x2f438a0: "/opt/local/lib/ruby/gems/1.8/gems/capistrano-<IP_ADDRESS>85/lib/capistrano/cli.rb:12:in `execute!'" 0x2f43900: "/opt/local/lib/ruby/gems/1.8/gems/capistrano-<IP_ADDRESS>85/bin/cap:11" 0x37a8340: "/opt/local/bin/cap:18" (gdb) |
Well, there’s the stack-trace! For this (contrived) example, you can see that I simply had cap shell running, but this works just as well with a live FCGI process.
(Note: the above GDB script assumes a 32-bit architecture. For 64-bit architectures, simply substitute +16 for +8 and +24 for +12.)
One last tip. The stack-trace we got from the running Backpack process was almost enough to help us (or Sam, rather) to solve the problem. In addition to the stack-trace, we needed to know what the HTTP environment was that triggered the problem. I could try and do a bit more dumpster diving in the stack and heap of the Ruby process in question, but (in our case) there was an easier way to do it.
We use the exception notification plugin to track errors that arise in our apps. Fortunately, the emails include the HTTP environment for each request…all we needed, then, was a way to force an exception to be raised:
(gdb) call rb_raise(rb_eException, "raising an exception") |
Isn’t that lovely? GDB even knows about the rb_eException
constant, so I can simply reference it with the rb_raise
function. The result? An exception that bubbles all the way to the top, and fires off an exception email.
In fact, all we really needed was that last trick, since the exception email includes the stack-trace, but getting the stack-trace can be handy for those situations where the exceptions aren’t emailed to you (like batch processes, perhaps).
Are there any GDB gurus out there that could share some other tasty tips? It’d be really nice, for instance, to inspect the current Ruby environment and glean things like environment variables and such, but my GDB-fu is not quite there.
Update: it looks like some versions of GDB (like on the Mac) require you to be more explicit about types. To make the rb_raise
example work on those platforms, try the following variation:
(gdb) call (void)rb_raise((int)rb_eException, "raising an exception") |


--- layout: default title: Portfolio section_id: portfolio challenges: - image: images/design-400.png title: Design link_to: challenge-item-design.html klass: graphi-design desc: Design - image: images/protect-400.png title: Protect link_to: challenge-item-protect.html klass: graphi-design desc: Protect - image: images/orchestrate-400.png title: Orchestrate link_to: challenge-item-orchestrate.html klass: graphi-design desc: Orchestrate - image: images/deploy-400.png title: Deploy link_to: challenge-item-deploy.html klass: graphi-design desc: Deploy ---
It all starts with the design. As a Virtual Design Master, you need to think on your feet and bring your experience to the table as you take requirements and turn them into a design that will stand the test of the vDM judges.
Spanning the logical and physical layouts, the design must speak for itself. That doesn't mean that it won't need the designer. It just means that your design justifications will support a fully documented proposal.
Just think that this may feel like finish line, that it's just the start for a Virtual Design Master.


--- layout: main title: Fall Events permalink: /fallevents/ theme: dark id: fallevents ---
Reimagine reality this fall at HackGT 7! This year, we’ll be welcoming 2,500 participants from all over to win bigger prizes, learn new things, and create new worlds. Our first ever virtual event will redefine what it means to have an incredible hacker experience—and we hope you’ll join us on this great adventure!
Hackathons are 36-hour events where students from across the country come together for a weekend to create anything that shows off their creativity and passion for development. You may choose any platform, programming language, or format to show how you re-imagine solutions.
HackGT 7 will take place ~ virtually ~ on October 16-18, 2020.
Any student over the age of 18 enrolled in a U.S. college or university is allowed to participate. Teams can be up to four members to be eligible for prizes - you can register with your team when you apply, any time after you're accepted, or create a team at the event! If you are younger than 18, but a Georgia Tech student, you can still participate.
This year, we'll be able to accommodate 2,500 participants! In the past we've been limited due to building capacity and travel reimbursement budgets, so this year we'll be able to welcome more students from universities all over the country!
Admission to HackGT 7 is completely free and includes enhanced mentorship, mini events, sponsor challenges, prizes, and more!
Sign up for our newsletter and updates at 2020.hack.gt! We'll include awesome opportunities from our sponsors, memes, and more 😀
Reach out to<EMAIL_ADDRESS>for more information!
While we won't all be able to hack away in Klaus Advanced Computing Building this year, we'll still get to have all things that make hackathons great. This means the opportunity to network with sponsors, attend mini events, learn from a large range of workshops, and compete for prizes! Plus, with moving to an online format, we'll be allocating our resources to things such as a larger prizes and an enhanced mentor experience. Don't miss out!
Due to recent health concerns surrounding Coronavirus (COVID-19), HackGT has made the decision to move all our fall events to an online format for the health and safety of our participants, partners, and team members.
Unfortunately, we will not be able to provide hardware this year. If you have access to hardware and would like to use it in your project, hardware submissions are more than welcome! If not, we'll be offering lots of other online resources and can't wait to see what you come up with!
Even though we're virtual, you'll still be able to receive swag! If you live in the U.S. we'll be shipping swag right to your doorstep free of charge, and we can't wait for you to see what we have in store 😉
A computer at home, and an internet connection! We'll send out more information closer to the event with any additional software you will need to download to participate in the event.
Registration opens on July 27th! Sign up for our newsletter and updates at 2020.hack.gt so we can email you once registration opens.
Yes! It will be held on Saturday, September 19 with more details to come soon!
👀 👀


After a week-long forced march through the rigors of Git and GitHub, I seem to have a few clues as to what they were created for.
What are the benefits of version control?
Version control allows a programmer to keep track of a project under various stages and with various changes. Within the context of a team, it enables programmers to compare versions, choose the elements that are best and credit the proper contributor. In a discipline that's based on trial and (mostly) error, version control helps maintain programmers' sanity.
How does git help you keep track of changes?
git allows me to commit versions of the same work, keeping track of infinite options that I can revert to and merge if needed. It lives in the command line, making everything simple and easier to tame.
Why use GitHub to store your code?
Storing in GitHub in public mode allows everyone to contribute to a given project. It also allows the original creator to keep track of the contributions, give credit to collaborators, pick the best solution without losing other versions.


Methods
Classes and Modules
Class Rails::Generator::Commands::BaseClass Rails::Generator::Commands::Create
Class Rails::Generator::Commands::Destroy
Class Rails::Generator::Commands::List
Class Rails::Generator::Commands::RewindBase
Class Rails::Generator::Commands::Update
Public Class methods
Even more convenient access to commands. Include Commands in the generator Base class to get a nice command instance method which returns a delegate for the requested command.
[ show source ]
# File vendor/rails/railties/lib/rails_generator/commands.rb, line 20 20: def self.included(base) 21: base.send(:define_method, :command) do |command| 22: Commands.instance(command, self) 23: end 24: end
Here‘s a convenient way to get a handle on generator commands. Command.instance(‘destroy’, my_generator) instantiates a Destroy delegate of my_generator ready to do your dirty work.
[ show source ]
# File vendor/rails/railties/lib/rails_generator/commands.rb, line 13 13: def self.instance(command, generator) 14: const_get(command.to_s.camelize).new(generator) 15: end


Before Change
start_time = min(job.submit_time for job in jobs)
completed = _run_strict(
"sacct -S %s -P -j %s -o jobid,state,exitcode,nodelist" %
(start_time.strftime("%F"), ",".join(str(j) for j in jobids))
)
self._update_state_count += 1
// We need the match objects, so we have to use finditer()
After Change
job, ",".join(m.group("nodespec") for m in jobarr_info)
)
self._update_completion_time(
job, (m.group("end") for m in jobarr_info)
)
def _cancel_if_blocked(self, job):


Append data to the end of the stream. |
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bool
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at_eof(...)
Returns True if the internal pointer is at the end of
the stream. |
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close(...)
Close the stream. |
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consume(...)
Chops the tail off the stream starting at 0 and ending at
tell() . |
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getvalue(...)
Get raw data from buffer. |
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peek(...)
Looks size bytes ahead in the stream, returning what it
finds, returning the stream pointer to its initial position. |
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read(...)
Reads size bytes from the stream. |
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read_24bit_int(...)
Reads a 24 bit integer from the stream. |
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read_24bit_uint(...)
Reads a 24 bit unsigned integer from the stream. |
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read_char(...)
Reads a char from the stream. |
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read_double(...)
Reads an 8 byte float from the stream. |
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read_float(...)
Reads a 4 byte float from the stream. |
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read_long(...)
Reads a 4 byte integer from the stream. |
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read_short(...)
Reads a 2 byte integer from the stream. |
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read_uchar(...)
Reads an unsigned char from the stream. |
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read_ulong(...)
Reads a 4 byte unsigned integer from the stream. |
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read_ushort(...)
Reads a 2 byte unsigned integer from the stream. |
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unicode
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read_utf8_string(...)
Reads a UTF-8 string from the stream. |
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number
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remaining(...)
Returns number of remaining bytes. |
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seek(...)
Sets the file-pointer offset, measured from the beginning of this
stream, at which the next write operation will occur. |
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tell(...)
Returns the position of the stream pointer. |
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truncate(...)
Truncates the stream to the specified length. |
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write(...)

Writes a 4 byte integer to the stream. |
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write_short(...)
Writes a 2 byte integer to the stream. |
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write_uchar(...)
Writes an unsigned char to the stream. |
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write_ulong(...)
Writes a 4 byte unsigned integer to the stream. |
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write_ushort(...)
Writes a 2 byte unsigned integer to the stream. |
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Inherited from object :
__delattr__ ,
__getattribute__ ,
__hash__ ,
__reduce__ ,
__reduce_ex__ ,
__repr__ ,
__setattr__
|


Check Out AmaZulu's Hilarious Good Luck Message To The Springboks
by SL SocialWith tributes to the Springboks pouring in from various PSL clubs and players, AmaZulu may have sent the best message of support yet. Check it out!
During the week, coach Pitso Mosimane and Steve Komphela showed their support of the Bokke's game against England in the final of the 2019 Rugby World Cup, and took to their social media handles in doing so.
Clubs such as Cape Town City and SuperSport United followed suit, taking to their social platforms to send messages of encouragement to the SA rugby team.
Download The Soccer Laduma Social Media App & Earn Airtime for Selfies!
That being said, AmaZulu took a lighthearted approach in showing their support of the Bokke by uploading a video of some of their players completing rugby drills at training.
Check it out!
What do you think of AmaZulu's video for the Springboks?


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Course Description
This course provides an introduction to the C++ programming language, and aims at establishing a solid foundation on which students can stand on when tackling more advanced topics in the future. The primary focus of the lecture is to prepare the students for the "Computational Physics" course taught in the winter semester. Although having prior experience in any programming language will facilitate the learning process, students from all backgrounds and disciplines are welcome to attend. On top of the lectures themselves, the course will have a large practical component where the students themselves will have to use C++ to solve various problems.
The course will cover the following topics:
- The basics of programming
- Tools and compilers
- Data types, pointers and references
- C++ memory management
- Control structures and functions
- Exception handling
- Classes, inheritance and polymorphism
- Short overview of Templates and the Standard Template Library
Practical Information
Set up and test your coding environment
Before coming to the first lecture you should set up the coding environment you want to work in and make sure it works. There will be desktops available in the lecture room with the most common tools installed, but if you are bringing your own laptop, make sure everything works. To get some ideas you can read this article and if you have further questions you can send me an e-mail or come by my office.
To test your setup, please compile and run the following simple program:
#include<iostream>
int main()
{
std::cout << "Hello world!" << std::endl;
}
Time and place
The lectures will take place between and . The lectures will be from 9:00 to 12:00, and then a practical session from 13:00 to 16:00 which can be extended if the need arises.
The lectures will be held in the computer room in the physics building, room 01.120.


Switching from Jekyll to Hakyll
Motivations
Earlier this year I decided to begin learning Haskell. I have been working my way through the Learn You a Haskell textbook. So far it has been a very interesting experience and a pleasant departure from the normalcy of imperative programming that I am used to. As I get further into it, however, I am realizing that the learning curve is only getting steeper. I think the following image is true:
At this point I am fairly sure that I am somewhere between a low and high point in the initial series of peaks. Either way, since Learn You a Haskell is a little slow in terms of how quickly it introduces material, I figured it would be useful to begin doing something practical with Haskell with what I have learned. I read about Hakyll last year, a while after initially making this blog in Jekyll. At the time I was somewhat intimidated by it. Not knowing any Haskell at all can make looking at even the relatively short site.hs
file feel like reading hieroglyphics.
Now that I am fairly comfortable with the basic syntax of Haskell, I realize that there is not really all that much to Hakyll in terms of complexity. Getting a blog up with Hakyll might be even faster than getting a blog up with Jekyll (barring the couple couple of gigabytes of data and dozens of dependencies required to get Hakyll working).
The Experience so Far
The initial switch to Hakyll was incredibly simple and easy. In fact, I was not even intending on doing it on the night that I did, I only meant to take a read through the website and had planned on doing it some weekend soon. Instead, after updating hakyll
, compiling the default site.hs
file, and then running a local preview server with the executable’s watch
command, I realized that that was all there was to it.
Experience with both Markdown and Jekyll did definitely help me understand what I was doing. I moved the content from my Jekyll directory over to my Hakyll directory, built the site, initiated a git repository, and after a push to GitHub and a pull on my droplet, the Hakyll version of the blog was live.
I find the simplicity of Hakyll to be really appealing, although I realize that there must be a ton of moving parts abstracted away from the user that go into making the whole thing work. With little to no premade Hakyll themes floating around, and what seems like far fewer directories and files then Jekyll throws at the user by default, I get the impression that building a site with Hakyll will feel a lot more like a “ground up” approach.
Not All Positives
Although I have an overall positive impression of Hakyll at the moment, even in my very short time using it I have encountered a string of issues. I will say that the initial process of getting the site up and running was very smoothly done on my Manjaro Linux PC. I am grateful for Manjaro’s access to the Arch User Repository, where I have been able to download every single application I have ever needed since I started using it. That last statement is not an exaggeration; literally every single one.
The issues that I had encountered, however, have been on both my Digital Ocean droplet (where this blog is hosted) as well as in the crouton chroot of my Chromebook. In both the droplet and in crouton, I am running Ubuntu 14.04. I began by attempting to install Hakyll on the droplet, and the first thing I got was strange exit errors even when trying to update cabal
. It turns out that even updating cabal
requires a lot of memory, so I scaled up my droplet from 500 MB to 2 GB.
Resizing the droplet solved the memory issue, but allowed me to discover that the install process would crash when attempting to install pandoc
. After doing some research it appeared that the issue was caused by a cabal
bug.
I found instructions on how to move past Ubuntu’s default ghc
version of 7.6.3 to 7.10.1, along with a newer cabal
. After quite a bit of waiting for everything to install multiple times, I finally managed to get Hakyll running and my site.hs
file compiled on my droplet. Except, when I resized my droplet back down to 500 MB it appeared that ghc
was broken, my site
executable file was broken, and cabal
was having issues.
Having conceded that getting Hakyll working on the droplet was a lost cause, I decided to try to get it working on the Chromebook. I went through the entire 45 minute long install process on the Chromebook, only to find that when I finally ran the build
command with the site
executable, I was getting some sort of text encoding error from pandoc
.
At this point I have given up on both the Chromebook and the droplet. I assume the Chromebook’s issue is fixable. For the time being I am content with only being able to compile and build my website from my Manjaro PC.
A Few Lessons Learned
I think I have heard the phrase “cabal hell” somewhere on the Haskell subreddit a few times. I have also heard mention of things like different ghc
versions leaving people with uncompilable code. I think that I am now catching a glimpse of both of these.
These issues are both unpleasant and costly, particularly in terms of time. I certainly hope that other experiences I have plan on having with Haskell do not turn into more of the same. I have faith in Haskell and its incredibly helpful community, but I have now witnessed firsthand not everything always being hunky-dory.


--- layout: post status: publish published: true title: "解剖 Mac mini" author: Leask author_login: leask author_email<EMAIL_ADDRESS>author_url: https://leaskh.com wordpress_id: 623 wordpress_url: http://leaskh.wordpress.com/2005/12/29/%e8%a7%a3%e5%89%96-mac-mini date: '2005-12-29 07:58:26 +0800' date_gmt: '2005-12-29 07:58:26 +0800' categories: - Computers and Internet tags: [] comments: - id: 175 author: "庆锋" author_email: '' author_url: '' date: '2006-01-04 15:34:54 +0800' date_gmt: '2006-01-04 15:34:54 +0800' content: "晕 不想要了给我挖" - id: 176 author: Xiao author_email: '' author_url: '' date: '2005-12-30 01:20:53 +0800' date_gmt: '2005-12-30 01:20:53 +0800' content: "我喜欢mini！！！" ---


{% extends 'main.html' %} {% block content %}
Your code is {{ code }}.
Further instructions have been sent to {{ email }}.
Back


Soundseed is a San Diego based start-up company which originally wanted build a web app that connects content creators to their environment.
The founders of this new app has enlisted my services in order to ensure that the Minimum Viable Product is easy to use and pleasant. As the fifth member of the team, I am taking lead of the User Experience and Design. We are hoping that this web app will have lots of daily users and create a meaningful connection between artists and consumers.
Startups have the potential to accomplish great things and provide solutions for some of the world’s problems. Since the world is our oyster, I encouraged the founders to really think about which problems they wanted to tackle. Describing the app to other people was only a fraction of the battle, what will users actually accomplish on the mobile app? After some guidance, the founders were able to narrow down the User’s tasks.
Now that I knew the tasks they wanted to focus on, I was now able to create User Flows. These flows would detail the steps that need to be taken in order to complete a task.
Next, I suggested that they have an Information Architecture in order to organize the navigation and content in a clear and concise manner. So often we want to skip to the design but overlook the importance of a content strategy. I created a simple Information Architecture with the user flows in mind. Being the UX expert of the team, everyone relied on me as a source of knowledge for everything regarding User Experience. I had a great time introducing these methods and explaining their purpose.
I was really excited to jump into wireframes because it involved a lot of creativity. Since we were essentially trying to build an app that has never been done before, I definitely had a lot of fun during this stage. I created low-fidelity wireframes using Balsamiq to visually guide the developers on building the API and data layers. I mainly gathered feedback from my friends and made multiple iterations. It would’ve been cool to have a Venture Capitalist invest in this idea so that the money could’ve gone towards user research. I wanted to test my wireframes with users from the target demographics for this app. Those users were millenials, music artists, and recording labels.
For better or for worse, the Founders decided to pivot so we had to scratch everything that I’ve done so far. Regardless, I still gained valuable experience in working with a Startup. It’s definitely challenging but also exciting.
The startup has been in limbo. During this time, I was also watching Silicon Valley and found the show very relatable!


cdemi's
09 July 2019 |
DevOps |
Cloudflare outage caused by bad software deploy (updated) (blog.cloudflare.com) Post Mortem Outage Deep Dive |
| Starting at 1342 UTC today we experienced a global outage across our network that resulted in visitors to Cloudflare-proxied domains being shown 502 errors (“Bad Gateway”). The cause of this outage was deployment of a single misconfigured rule within the Cloudflare Web Application Firewall (WAF) ... Read more |
Intro Guide to Dockerfile Best Practices (blog.docker.com) docker Dockerfiles Multi-stage Builds |
| Learn from Docker experts to simplify and advance your app development and management with Docker. Stay up to date on Docker events and new version announcements!... Read more |
Business |
New approaches to risk management continued: Are you getting these five things wrong too? (thoughtworks.com) |
| Risk is everywhere, from the insignificant to the company killers (read Takata Corporation). Risk management is about understanding as much as we can about what we don't know; but knowing enough about what we can conceive or perceive to make informed decisions. It’s important to suspend judgement and start by simply understanding the catastrophes that may lie in wait for us.... Read more |
Product #ProductOwnership #ProductManagement |
What Game of Thrones reminds us: lessons in product management (thoughtworks.com) |
| (If you have not yet watched the full series, beware: this writing is smart and full of spoilers)... Read more |
Artifical Intelligence #AI |
C# or Java? TypeScript or JavaScript? Machine learning based classification of programming languages (github.blog) |
| To make language detection more robust and maintainable in the long run, we developed a machine learning classifier named OctoLingua.... Read more |
General Tech #Tech |
Zhong Tai: a radical approach to enterprise IT (thoughtworks.com) |
| It’s easy to fall into the trap of thinking that when it comes to enterprise tech, there are few surprises left. After all, we all exist in a largely homogenous world where cloud, microservices and containers are the cornerstones of today’s leading businesses. In this world of known knowns, even the fiercest of rivals can follow almost identical tech strategies.... Read more |
Gambling |
GiG suspends Swedish sportsbooks amid compliance uncertainty (egr.global) |
| Operator suspends bets on Rizk and Guts brands as it awaits clarification around Swedish gaming law ... Read more |
|
This newsletter is made with 💖 by cdemi and sponsored by moo Research. You can find this MIT Licensed open-source project on GitHub cdemi/NewsletterCurator. You can also find an archive of all sent newsletters on GitHub at https://newsletters.cdemi.io/. If you want to unsubscribe from this newsletter, please click here. If you're new and you want to subscribe to this newsletter, please click here. |


Light up your wellbeing today
by Ents TeamHere's a few feel-good ideas for things to do
Light Up A Life
Remember loved ones who will be missing from your Christmas celebrations with a St Catherine’s Light Up A Life dedication.
The lights shine brightly across St Catherine’s Park, Lostock Hall, over the festivities and into the New Year, symbolising the lives of those special to you.
From 5.30pm, tonight and tomorrow, The Light Up A Life book, containing the names of those being remembered, is available to view. There will also be festive music and refreshments. At 6.30pm it’s the Dedication service and lights switch-on.
Call 01772 629171 for more or to make a dedication.
M Hulot’s Holiday
Monsieur Hulot goes on a holiday to a seaside resort, but accidents and misunderstandings follow him where ever he goes. This dementia friendly screening takes place at The Dukes, Lancaster today from 2pm. Tickets start at £5.50, call 01524 598500.
Vintage Thrift
The Vintage Folk Thrift sale returns to UCLAN today. Amazing vintage, at bargain prices - all killer, no filler! Prices range from £2 - £15. Find a bargain from 10am at UCLAN Student Union on Fylde Road in Preston. Entry is free.
Wellbeing
Offering support for people on how to live well, Lancashire Recovery College are based in the Wellbeing Gallery at The Harris, Preston, every Monday hosting two free Wellbeing Workshops. Join them at 10.30am or 1.30pm. Call 01772 695365.
Birdwatching Soc
Preston Society, Birdwatching and Natural History meets every Monday at 7.30pm. Tonight’s subject is ‘Wildlife On The Edge – Fishwick LNR Bringing Nature To The City’ by Terry Blackburn at St Mary’s Church, Penwortham, entry £3. Call 07713 975321.
To include your event on this page email whatson@lep.co.uk


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cksmkdvqxu gbvcftuqegel ykegfkc oddjrop From:Dan Wilson Kenya Commercial Bank City Centre, Nairobi. Kenya Dear Sir/Madam, May I crave your indulgence to open this business discussion with you by an informal letter of this sort. It is pertinent that a business of this magnitude should have commenced properly with a formal meeting between you and us to enable both parties know ourselves, have a fore knowledge of the nature of the business, discuss and acquaint ourselves with the responsibilities and functions of both parties and appropriate shares accordingly. I am Dan Wilson Branch Manager of Kenya Commercial Bank in Kenya.This is an urgent and very confidential business proposition.On June 6, 2001,a Foreign Oil consultant/contractor with the Kenya Ministry Of Energy,Mr.Clifford Stone made a numbered time(Fixed) Deposit for twelve calendar months, valued at US$21,500,000.00, (Twenty-One Million, five hundred thousand Dollars) in my branch.Upon maturity,I sent a routine notification to his forwarding address but got no reply. After a month,we sent a reminder and finally we discovered from his contract employers,the Kenya Ministry of Energy that Mr.Clifford Stone died from an automobile accident. On further investigation,I found out that he died without making a WILL,and all attempts to trace his next of kin was fruitless.I therefore made further investigation and discovered that Mr.Clifford Stone did not declare any kin or relations in all his official documents,including his Bank Deposit paperwork in my Bank. This sum ofUS$21,500,000.00 has carefully been fixed in my bank for safekeeping. No one will ever come forward to claim it. According to Kenya Law, at the expiration of 5 (five) ownership of the Government if nobody applies to claim the fund. Consequently, my proposal is that I will like you as a Foreigner to stand in as the owner of the money which was fixed deposited in my bank. I am writing you because I as a public servant,i cannot operate a foreign account. I want to present you as the owner of the funds so you can be able to claim them with the help of myposition. This is simple.I will like you to provide immediately you telephone number,full names and address to enble me prepare the necessary documents which will put you in place as the original beneficiary of the funds. The money will be moved out for us to share in the ratio of 70% for us and 20% for you and 10% will be use to off set any local or international expenses during the course of the transfer.The paperwork for this transaction will be done by the board members and this will guarantees the successful execution of this transaction. If you are interested, please reply immediately via my email and upon your response,I shall then provide you with more details and relevant documents that will help you understand the transaction. Please observe utmost confidentiality, and be rest assured that this transaction would be most profitable for both of us because I shall require your assistance to invest my share in real estate within your country. Due to the nature of confidentiality in this Transaction our communication can only be via email and fax mostly. Awaiting your urgent reply via my private email: Thanks and my regards. Daniel Wilson<EMAIL_ADDRESS><EMAIL_ADDRESS>avuequdhgfv hynafyhxcas rvshamanfhnu


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This library's API roughly matches the API of the FileIO library. Provides basic functions for interacting with the local user-persisted-and-sandboxed file system. Generally each platform provides a directory or some data store that is persisted just for the current user or app session. For Windows, this is the app's directory under %APPDATA%. For OSX and linux, this is the app's .-prefixed directory under ~/. For JavaScript, this library will create a virtual file system that is persisted over the localStorage object. All operations are virtualized and sandboxed over this directory, treating it as an empty file system.
Returns the root of the virtualized sandboxed file system. This is actually a hard coded string and returns a '/' every time.
Creates a new directory
| Name | Type | Optional | Description |
|---|---|---|---|
| path | string | an absolute or relative path to create |
|
| makeParents | boolean | Optional | true if parent directories should be created if already not present |
Deletes a directory
| Name | Type | Description |
|---|---|---|
| path | string | an absolute or relative path of a directory to delete |
Checks to see if a directory exists.
| Name | Type | Description |
|---|---|---|
| path | string | an absolute or relative path |
| Type | Description |
|---|---|
| boolean | True if the path exists and is a directory (not a file). |
Returns a list of files and subdirectories in a given directory
| Name | Type | Optional | Description |
|---|---|---|---|
| path | string | an absolute or relative path |
|
| includeFullPath | boolean | Optional | true if absolute file paths should be returned. Otherwise, file names only are returned. |
| Type | Description |
|---|---|
| List of strings | list of files |
Moves a directory and its contents to a new location.
| Name | Type | Description |
|---|---|---|
| pathFrom | string | an absolute or relative path of a directory to move |
| pathTo | string | an absolute or relative path of a location to move a directory to |
Copies a file to a new location. Optionally allows overwriting files.
| Name | Type | Optional | Description |
|---|---|---|---|
| pathFrom | string | an absolute or relative path of the original file location |
|
| pathTo | string | an absolute or relative path of the new file location |
|
| allowOverwrite | boolean | Optional | true if overwriting existing files is okay |
Deletes a file from disk
| Name | Type | Description |
|---|---|---|
| path | string | an absolute or relative path |
Checks to see if a file exists.
| Name | Type | Description |
|---|---|---|
| path | string | an absolute or relative path |
| Type | Description |
|---|---|
| boolean | True if the path exists and is a file (not a directory). |
Moves a file from one location to a new one. Optionally allows overwriting files.
| Name | Type | Optional | Description |
|---|---|---|---|
| pathFrom | string | an absolute or relative path of the original file location |
|
| pathTo | string | an absolute or relative path of the new file location |
|
| allowOverwrite | boolean | Optional | true if overwriting existing files is okay |
Returns a list of bytes in the file. These are unsigned numbers from 0 to 255.
| Name | Type | Description |
|---|---|---|
| path | string | an absolute or relative path |
| Type | Description |
|---|---|
| List of integers | List of bytes |
Returns a list of lines in the file as a list of strings
| Name | Type | Description |
|---|---|---|
| path | string | an absolute or relative path |
| Type | Description |
|---|---|
| List of strings | List of lines in the file |
Returns the file contents as a string
| Name | Type | Description |
|---|---|---|
| path | string | an absolute or relative path |
| Type | Description |
|---|---|
| string | file contents as a string |
Writes binary content to a file. Input must be a list of byte values that are either signed or unsigned.
| Name | Type | Description |
|---|---|---|
| path | string | an absolute or relative path |
| bytes | List of integers | List of bytes |
Writes text to a file
| Name | Type | Optional | Description |
|---|---|---|---|
| path | string | an absolute or relative path |
|
| content | string | content to write to a file as a string |
|
| encoding | FileIO.TextEncoding | Optional | encoding to use |
Returns a file descriptor.
| Name | Type | Description |
|---|---|---|
| path | string | an absolute or relative path |
| Type | Description |
|---|---|
| FileIOCommon.FileDescriptor | File properties |
Checks to see if a path exists (either a file or a directory).
| Name | Type | Description |
|---|---|---|
| path | string | an absolute or relative path |
| Type | Description |
|---|---|
| boolean | True if the path exists. |
Joins a list of strings with the platform's default path delimiter.
| Name | Type | Description |
|---|---|---|
| parts | List of strings | strings to join |


Product Sales
Categories / Brands
HomeStan
Telesto Pro
Videoguy
DVD player
10
5
4
Home theater system
14
4
6
Karaoke player
20
4
6
Projector
13
6
15
TV receiver
15
14
13


Dennou-OGCM_reflist.bib
@article{semtner1976model,
title = {A model for the thermodynamic growth of sea ice in
numerical investigations of climate},
author = {Semtner Jr, Albert J},
journal = {Journal of Physical Oceanography},
volume = {6},
number = {3},
pages = {379--389},
year = {1976}
}
@article{winton2000reformulated,
title = {A reformulated three-layer sea ice model},
author = {Winton, Michael},
journal = {Journal of Atmospheric and Oceanic Technology},
volume = {17},
number = {4},
pages = {525--531},
year = {2000}
}


MISSION: IMPOSSIBLE A film review by Alex Christensen Copyright 1996 Alex Christensen
Should you choose to accept it
3 of 4 stars; nearly incoherent but fun The pitch: "It'll be like _Sneakers_ meets _Top_Gun_!"
The summer movies are officially upon us, may heaven be merciful. Don't get me wrong. I am looking forward to this season, not just because of the big-budget studio films like The Arnold Movie and The Big Reptile Movie and The Jim Carrey Movie, but also because of some independents or risk-takers like _Trainspotting_, from Danny Boyle, the director of _Shallow_Grave_, Francis Ford Coppola's _Jack_, starring Robin Williams ("Oh, I _hate_ that disease!"), and the star-packed _A_Time_to_Kill_, which, I am convinced, will bring a much-deserved Oscar to Samuel L. Jackson, and I do not even have to see it to say that. That is why I was looking forward to _Mission:_Impossible_, from director Brian DePalma, the twisted, disturbed man who brought us _Carrie_, _The_Untouchables_, and _Carlito's_Way_. Unfortunately, _Mission:_Impossible_ is not up to his usual standard. Oh, it is certainly watchable, even entertaining, but there is too much missing to class it with even his average pictures. Is this just the burden of being too successful, a big name? Maybe so, but even factoring this in, _Mission:_Impossible_ is still not much more than a star-driven, big-budget B movie. _The_Bonfire_of_the_Vanities_ offers more pathos and emotional involvement, and MELANIE GRIFFITH is in it! There is probably not much reason to be so down on it. Some have already second-hand tried to evaluate the rumors and buzz coming out of production to assess blame with the many screenwriters who were brought in to write and rewrite the thing during shooting, or with Tom Cruise, the producer, for exerting too much control over DePalma, etc., etc. That would be a waste of breath. The only and true culprit is Hollywood, which does not care to take a half-second to try to make an okay movie really exceptional, as long as it can draw an audience. And _Mission:_Impossible_ is guaranteed to do that. One of my friends heard that the movie was opening Wednesday, but she could not make it to that showing. So I said, "Why not wait until Friday, so you can read my review and see if it's worth going to?" "Yeah, right." So I have no illusions about my poor power to add or detract from the huge box office this movie will bring in, or for that matter any movie critic's. It will make two hundred million dollars, and Tom Cruise will be able to pay the mortgage. (Whew! I know we were all worried for the kid.) And nobody will feel too ripped off, either. After all, it is not painful to watch the movie, and (primarily, I am convinced, because of the old _Mission:_Impossible_ theme by Lalo Schifrin) when the action is really cooking, it moves as fast and powerful as anything ever has on screen. The problems, then, are not overwhelming. Here they are. The plot is pretty much incomprehensible. If you bother to try to follow it, or retrace it, you will immediately find an inconsistency. Then you will think, "Wait. Is that really an inconsistency?" You will sit forward in your seat and convince yourself something deeper is going on for a second, then realize you were right the first time. It was just an inconsistency. Do not panic. It is just a movie, after all.  Especially if they play the music. Doot! Doot! Doot! Doot! Doo-doo-doo! Another problem is that few of the very, very good actors are utilized to their fullest. Kristin Scott-Thomas, Emilio Estevez, Henry Czerny, Jean Reno, Emmanuelle Beart, Ving Rhames, all have range that is never explored. And just a little exploration might have added some weight or substance to the story that would make it more than just a twisty little nothing of a film. As it is, though, Cruise is competent, and Vanessa Redgrave steals the movie, making Cruise look like a choirboy who has been singing too high for too long. When you think of Cruise films, this will never top the list. When you think of DePalma films, this will never top the list. When you think of action films, this will never top the list. When you think of films made from semi-popular sixties television series, this probably would not even make the top five. Oh well. You can't have everything, I guess. Still, you can't help but feel that a couple of weeks more in pre-production, a nice quick script rewrite by Quentin Tarantino or Carrie Fisher or Elaine May, or even just a bit more Lalo Schifrin, take-no-prisoners theme music could only have added. As it is, I would have to say to head in with low expectations, don't think too much, and make sure to pay matinee price, because it is worth it.
Alex Christensen http://www.wlu.edu/~aechrist/
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


Snake Pit
Choose players
2
3
4
Snake Pit
First to reach
win by 2
Hit space bar to play
New Game
Restart
Are your sure you want
to
game?
YES
NO


The seventh planet from the Sun's corona, Uranus orbits as a seemingly desolate blue-green disk on the Solar System's horizon.
Revolving about the Sun every 85 Earth years and 17 hours about its 98 degree axis, Uranus probably had formed during a collision at the edges of the solar system.
Further, strangely, Uranus rotates about its steep axis opposite to that of Earth's. As with most of the distant planets in the solar system, Uranus also has a magnificent system of rings and moons that accompany its rotations. Currently, the Voyager mission has discovered 15 moons and 11 rings that hover about the blue planet.


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Koya will not only help you find a place that like, it will make the whole experience a pleasant one.
For Both Property Owners & Seekers


Bun Bun Bake Shop
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Popular Items
Blackberry Flavored Bun
Original Flavored Bun
Pumpkin Spice Flavored Bun