Join OperationWe can combine the columns from two or more tables by using some common column among them by using the join statement. We have only one table in our database, let's create one more table Departments with two columns department_id and department_name. As we have created a new table Departments as shown in the above image. However, we haven't yet inserted any value inside it. Let's insert some Departments ids and departments names so that we can map this to our Employee table. Let's look at the values inserted in each of the tables. Consider the following image. Now, let's create a python script that joins the two tables on the common column, i.e., dept_id. ExampleOutput: ID Name Salary Dept_Id Dept_Name 101 John 25000 201 CS 102 John 25000 201 CS 103 David 25000 202 IT 104 Nick 90000 201 CS 105 Mike 28000 202 IT Right JoinRight join shows all the columns of the right-hand side table as we have two tables in the database PythonDB, i.e., Departments and Employee. We do not have any Employee in the table who is not working for any department (Employee for which department id is null). However, to understand the concept of right join let's create the one. Execute the following query on the MySQL server. This will insert an employee Alex who doesn't work for any department (department id is null). Now, we have an employee in the Employee table whose department id is not present in the Departments table. Let's perform the right join on the two tables now. ExampleOutput: ID Name Salary Dept_Id Dept_Name 101 John 25000.0 201 CS 102 John 25000.0 201 CS 103 David 25000.0 202 IT 104 Nick 90000.0 201 CS 105 Mike 28000.0 202 IT 108 Alex 29900.0 None None Left JoinThe left join covers all the data from the left-hand side table. It has just opposite effect to the right join. Consider the following example. ExampleOutput: ID Name Salary Dept_Id Dept_Name 101 John 25000.0 201 CS 102 John 25000.0 201 CS 103 David 25000.0 202 IT 104 Nick 90000.0 201 CS 105 Mike 28000.0 202 IT
Next TopicPerforming Transactions
|
Join OperationWe can combine the columns from two or more tables by using some common column among them by using the join statement. We have only one table in our database, let's create one more table Departments with two columns department_id and department_name. As we have created a new table Departments as shown in the above image. However, we haven't yet inserted any value inside it. Let's insert some Departments ids and departments names so that we can map this to our Employee table. Let's look at the values inserted in each of the tables. Consider the following image. Now, let's create a python script that joins the two tables on the common column, i.e., dept_id. ExampleOutput: ID Name Salary Dept_Id Dept_Name 101 John 25000 201 CS 102 John 25000 201 CS 103 David 25000 202 IT 104 Nick 90000 201 CS 105 Mike 28000 202 IT Right JoinRight join shows all the columns of the right-hand side table as we have two tables in the database PythonDB, i.e., Departments and Employee. We do not have any Employee in the table who is not working for any department (Employee for which department id is null). However, to understand the concept of right join let's create the one. Execute the following query on the MySQL server. This will insert an employee Alex who doesn't work for any department (department id is null). Now, we have an employee in the Employee table whose department id is not present in the Departments table. Let's perform the right join on the two tables now. ExampleOutput: ID Name Salary Dept_Id Dept_Name 101 John 25000.0 201 CS 102 John 25000.0 201 CS 103 David 25000.0 202 IT 104 Nick 90000.0 201 CS 105 Mike 28000.0 202 IT 108 Alex 29900.0 None None Left JoinThe left join covers all the data from the left-hand side table. It has just opposite effect to the right join. Consider the following example. ExampleOutput: ID Name Salary Dept_Id Dept_Name 101 John 25000.0 201 CS 102 John 25000.0 201 CS 103 David 25000.0 202 IT 104 Nick 90000.0 201 CS 105 Mike 28000.0 202 IT
Next TopicPerforming Transactions
|
Join OperationWe can combine the columns from two or more tables by using some common column among them by using the join statement. We have only one table in our database, let's create one more table Departments with two columns department_id and department_name. As we have created a new table Departments as shown in the above image. However, we haven't yet inserted any value inside it. Let's insert some Departments ids and departments names so that we can map this to our Employee table. Let's look at the values inserted in each of the tables. Consider the following image. Now, let's create a python script that joins the two tables on the common column, i.e., dept_id. ExampleOutput: ID Name Salary Dept_Id Dept_Name 101 John 25000 201 CS 102 John 25000 201 CS 103 David 25000 202 IT 104 Nick 90000 201 CS 105 Mike 28000 202 IT Right JoinRight join shows all the columns of the right-hand side table as we have two tables in the database PythonDB, i.e., Departments and Employee. We do not have any Employee in the table who is not working for any department (Employee for which department id is null). However, to understand the concept of right join let's create the one. Execute the following query on the MySQL server. This will insert an employee Alex who doesn't work for any department (department id is null). Now, we have an employee in the Employee table whose department id is not present in the Departments table. Let's perform the right join on the two tables now. ExampleOutput: ID Name Salary Dept_Id Dept_Name 101 John 25000.0 201 CS 102 John 25000.0 201 CS 103 David 25000.0 202 IT 104 Nick 90000.0 201 CS 105 Mike 28000.0 202 IT 108 Alex 29900.0 None None Left JoinThe left join covers all the data from the left-hand side table. It has just opposite effect to the right join. Consider the following example. ExampleOutput: ID Name Salary Dept_Id Dept_Name 101 John 25000.0 201 CS 102 John 25000.0 201 CS 103 David 25000.0 202 IT 104 Nick 90000.0 201 CS 105 Mike 28000.0 202 IT
Next TopicPerforming Transactions
|
Join OperationWe can combine the columns from two or more tables by using some common column among them by using the join statement. We have only one table in our database, let's create one more table Departments with two columns department_id and department_name. As we have created a new table Departments as shown in the above image. However, we haven't yet inserted any value inside it. Let's insert some Departments ids and departments names so that we can map this to our Employee table. Let's look at the values inserted in each of the tables. Consider the following image. Now, let's create a python script that joins the two tables on the common column, i.e., dept_id. ExampleOutput: ID Name Salary Dept_Id Dept_Name 101 John 25000 201 CS 102 John 25000 201 CS 103 David 25000 202 IT 104 Nick 90000 201 CS 105 Mike 28000 202 IT Right JoinRight join shows all the columns of the right-hand side table as we have two tables in the database PythonDB, i.e., Departments and Employee. We do not have any Employee in the table who is not working for any department (Employee for which department id is null). However, to understand the concept of right join let's create the one. Execute the following query on the MySQL server. This will insert an employee Alex who doesn't work for any department (department id is null). Now, we have an employee in the Employee table whose department id is not present in the Departments table. Let's perform the right join on the two tables now. ExampleOutput: ID Name Salary Dept_Id Dept_Name 101 John 25000.0 201 CS 102 John 25000.0 201 CS 103 David 25000.0 202 IT 104 Nick 90000.0 201 CS 105 Mike 28000.0 202 IT 108 Alex 29900.0 None None Left JoinThe left join covers all the data from the left-hand side table. It has just opposite effect to the right join. Consider the following example. ExampleOutput: ID Name Salary Dept_Id Dept_Name 101 John 25000.0 201 CS 102 John 25000.0 201 CS 103 David 25000.0 202 IT 104 Nick 90000.0 201 CS 105 Mike 28000.0 202 IT
Next TopicPerforming Transactions
|


The debug/line.h
header defines a macro that encodes file-iteration information in #line
directives.
#include <chaos/preprocessor/debug/line.h>
The CHAOS_PP_LINE
macro encodes the current iteration values of all currently active file-iterations.
??=line CHAOS_PP_LINE
(line, file)
The new line number of the trailing line.
The predefined macro __LINE__
is commonly used,
though this offsets the actual line by one.
Typically the name of the current file. However, this argument can be any informative text. This text is internally stringized, so quotation marks are unnecessary.
If a file-iteration is currently in progress, this macro inserts debugging information about the state of the file-iteration. This information includes the current iteration values from the outermost to innermost iterations. If a file-iteration is not in progress, this macro does not insert any extra information.
This information is useful when errors might be spanning multiple iterations of the same source text. Finding any errors is sometimes less than straightforward. Use of this macro can provide the information needed to make this much easier.
// sample.hpp #if !CHAOS_PP_IS_ITERATING
#ifndef SAMPLE_HPP #define SAMPLE_HPP #include<chaos/preprocessor/cat.h>
#include<chaos/preprocessor/debug/line.h>
#include<chaos/preprocessor/iteration/file.h>
#include<chaos/preprocessor/iteration/local.h>
#include<chaos/preprocessor/repetition/enum_params.h>
#if !defined(VECTOR_ARITY) || VECTOR_ARITY < 1 #undef VECTOR_ARITY #define VECTOR_ARITY 15 #endif template<unsigned arity> struct vector; // typedef vector<2>::inner<signed, unsigned> duo; // // duo::subscript<0>::type // signed // duo::subscript<1>::type // unsigned #defineCHAOS_PP_ITERATION_PARAMS
(1)(VECTOR_ARITY)("sample.hpp") ??=includeCHAOS_PP_ITERATE
() #endif // SAMPLE_HPP #else ??=line \CHAOS_PP_LINE
(__LINE__, sample.hpp - iterating type vector) \ /**/ template<> struct vector<CHAOS_PP_ITERATION
()> { template<CHAOS_PP_ENUM_PARAMS
(CHAOS_PP_ITERATION
(), class T)> struct inner { template<unsigned, class = void> struct subscript; #defineCHAOS_PP_LOCAL_LIMITS
\ (0,CHAOS_PP_ITERATION
() - 1) \ /**/ #defineCHAOS_PP_LOCAL_MACRO
(n) \ template<class _> struct subscript<n, _> { \ typedef T ## n type; \ }; \ /**/ ??=includeCHAOS_PP_LOCAL_ITERATE
() }; }; #endif
The CHAOS_PP_LINE_ID
macro indirectly expands to CHAOS_PP_LINE
.
CHAOS_PP_LINE_ID
()
This macro exists only for uniformity with other macros that require indirect invocation.
The CHAOS_PP_LINE_
macro expands to a λ expression representing CHAOS_PP_LINE
.
CHAOS_PP_LINE_
This macro is a shorthand form of the following λ binding:


Thank you for your interest in me! I'm a full-stack Web Developer who loves new challenges, puzzles, and problems.
I began coding in early 2018 and immediately loved it! After teaching high school math for two years (occasionally from a unicycle), I decided that I wanted to be a full-time programmer. I excelled in the Thinkful coding bootcamp en route to becoming a Senior SDET Associate for Infosys, and currently, a Front-End Developer with 3C Institute.
In my free time, I enjoy making side projects and instructing at local tech meetups. Then, to convince myself that I'm not actually just a coding robot, I also find time to run/bike (I did Cross Country/Track in college), read, and rock climb at the local indoor gym.
Projects
Seat Talk
Description:
Built for those at-your-desk conversations that are missing when everyone works from home, Seat Talk is a simple and easy-to-use real-time communication app. Seat Talk is like Zoom, but simpler, free, without CAPTCHA's, unlimited, and requires no setup. Just share the link or custom room code for others to join. Users can share audio, video, and screens with others in the room for those quick spontaneous collaborative conversations.
-
- Next.js
- React
- Real Time Communication API (WebRTC)
- Web Sockets (socket.io)
- PostgreSQL
- Continuous Deployment (Heroku)
Tech-Stack:
Equation Relay
Description:
Practicing math equations can be fun and collaborative, thanks to Equation Relay! In this game, students are divided into teams, and each team member is given a different equation to solve. Team members must add all of their individual answers together in order for the group to submit the correct cumulative answer and earn points. The teams' points are scoreboarded, instilling motivation in the students. When creating games, any questions with an integer answer are acceptable, and the app even double-checks these answers.
-
Front-End:
- React
- Web Sockets (socket.io)
- react-spinkit, react-router-dom, react-sparkles
- CSS Transitions
- Responsive Design
- Continuous Deployment (Netlify)
-
Back-End:
- Node.js/Express
- GraphQL
- Web Sockets (socket.io)
- MongoDB
- Password Encryption (Bcrypt.js)
- JSON Web Tokens
- Axios
- Wolfram Alpha API
Tech-Stack:
YouSnake
Description:
A rendition of the classic game, Snake, with a twist! YouSnake is a mobile app where users can play Snake, earn points, and compare high scores to other users' worldwide. Future versions will include the ability to upload selfies in order to play as yourself!
-
Front-End:
- React Native
- React Native Animations
- react-native-sound
- Android Studio
- XCode
-
Back-End:
- Node.js/Express
- PostgreSQL
- Knex
- Bcrypt.js
- JSON Web Tokens
- Continuous Deployment (Heroku)
Tech-Stack:
Goodtimes
Description:
Goodtimes serves as a social event planner. No more endless group texts! The user selects the location and possible dates/times for their event, and the app generates suggestions for restaurants and activities. Once the user narrows down the options, the app generates a voting form, which the user shares with the attendees of the group via link or automatic email. Guests vote, and the user sees the most popular options on their dashboard!
-
Front-End:
- React/Redux
- Redux-Form
- Moment.js
- Bing Maps API
- Enzyme/Jest
- Responsive Design
- Continuous Integration (Travis)
- Continuous Deployment (Heroku)
-
Back-End:
- Node.js/Express
- MongoDB
- Bcrypt
- JSON Web Tokens
- Axios
- Sendgrid API
- Yelp API
- Bitly API
- Event Bright API
- Mocha/Chai
Tech-Stack:
Word-Search Generator
Description:
This app allows users to generate and play word-searches by inputing a list of words and dimensions. Users can also browse and play pre-existing word-searches, ask for clues when stuck, and check their answers when finished. Because there is no user authentication, all word searches are public.
-
Front-End:
- React/Redux
- React-Spinkit
- Responsive Design
- Continuous Deployment (Netlify)
-
Back-End:
- Python/Django
- SQL relational database
- SQLite
- Continuous Deployment (Heroku)


tmux Cross Platform Config.
Oct 20, 2015If like me you use tmux on both Linux and OS X, then managing your tmux configuration can be a pain. The problem is there is configuration that is specific to either OS, such as copy and paste behavior. This blog post will show you how to manage your tmux configuration across platforms in a better way.
The first thing you want to do is create a dot file for each platform, so for Linux create .tmux-linux.conf and for OS X create .tmux-osx.conf. Create and place these files in the same location as your .tmux.conf file (most likely your home directory).
Now move any OS specific settings out of .tmux.conf into .tmux-osx.conf and .tmux-linux.conf respectively.
In your .tmux.conf file add the line:
if-shell "uname | grep -q Darwin" 'source-file ~/.tmux-osx.conf' \
'source-file ~/.tmux-linux.conf'
Basically, when tmux reads in it’s configuration, if the OS is ‘Darwin’ (OS X) then it will read .tmux-osx.conf else it will read in .tmux-linux.conf.
Note: the above code snippet assumes that the three *.conf files are placed in your home directory, if they are not change the paths.


A primary goal of all the conferences and user groups that refer to this Code of Conduct is to be inclusive to the largest number of contributors, with the most varied and diverse backgrounds possible. As such, we are committed to providing a friendly, safe and welcoming environment for all, regardless of gender, sexual orientation, ability, ethnicity, socioeconomic status and religion (or lack thereof).
This Code of Conduct outlines our expectations for all those who participate in our community, as well as the consequences for unacceptable behaviour.
We invite all those who participate in our events to help us create safe and positive experiences for everyone.
A supplemental goal of this Code of Conduct is to increase open [source/culture/tech] citizenship by encouraging participants to recognise and strengthen the relationships between our actions and their effects on our community.
Communities mirror the societies in which they exist and positive action is essential to counteract the many forms of inequality and abuses of power that exist in society.
If you see someone who is making an extra effort to ensure our community is welcoming, friendly, and encourages all participants to contribute to the fullest extent, we want to know.
Unacceptable behaviours include: intimidating, harassing, abusive, discriminatory, derogatory or demeaning speech or actions by any participant in our community online, at all related events and in one-on-one communications carried out in the context of community business. Community event venues may be shared with members of the public; please be respectful to all patrons of these locations.

Unacceptable behaviour from any community member, including sponsors and those with decision-making authority, will not be tolerated. Anyone asked to stop unacceptable behaviour is expected to comply immediately.
If a community member engages in unacceptable behaviour, the community organisers may take any action they deem appropriate, up to and including a temporary ban or permanent expulsion from the community without warning (and without refund in the case of a paid event).
If you are subject to or witness unacceptable behaviour, or have any other concerns, please notify a community organiser as soon as possible. You can find a list of organisers to contact for each of the supporters of this code of conduct at the bottom of this page. Additionally, community organisers are available to help community members engage with local law enforcement or to otherwise help those experiencing unacceptable behaviour feel safe. In the context of in-person events, organisers will also provide escorts as desired by the person experiencing distress.
If you feel you have been falsely or unfairly accused of violating this Code of Conduct, you should notify one of the event organisers with a concise description of your grievance.
We expect all community participants (contributors, paid or otherwise; sponsors; and other guests) to abide by this Code of Conduct in all community venues—online and in-person—as well as in all one-on-one communications pertaining to community business.
Al Graham<EMAIL_ADDRESS>This Code of Conduct is distributed under a Creative Commons Attribution-ShareAlike license.


Part 3: Image Filtering
Whitebox Workflows, and it's sister software WhiteboxTools, offers numerous tools for filtering image data. Most of these filters can be grouped into some of the more common types based on their functionality:
-
Low-pass filters: These filters emphasize low-frequency, longer-range signals in the image and de-emphasize high-frequency, short-scale variations. They work to smooth the image and to reduce apparent noise. Examples of common low-pass filters include mean_filter, gaussian_filter, and median_filter.
-
Edge-preserving low-pass filters: Like other low-pass filters, this class of filters also aims to smooth images by emphasizing longer-range variation in the image. However, these filters also work to preserve the crispness of edges in the original image. Common examples include bilateral_filter, and edge_preserving_mean_filter.
-
High-pass filters: The opposite of a low-pass filter, these filters emphasize short-scale variation and de-emphasize longer-range signals. These tools are typically used to sharpen an image. The unsharp_masking tool is a good example (despite its contrary name).
-
Band-pass filters: These filters are used to isolate the variation in an image that lies between a lower and upper bound of specified ranges. The diff_of_gaussian_filter is a good example of this type of filter.
-
Edge-detection filters: These filters are used to isolate the edge features within an image. Common examples include the sobel_filter and roberts_cross_filter
Readings: Mather and Koch. (2022). Chapter 6 Filtering Techniques.
Image Smoothing and Noise Reduction
You may recall from the previous section that PCA is sometimes used to remove noise from multi-spectral image datasets. Low-pass and edge-preserving low-pass filters similarly are used for reducing the occurrence of noise within images, although, unlike PCA, these operations are carried out on a single band (or the individual RGB components). Many satellite images contains substantial speckle, sometimes called white noise. Speckle refers to a high-frequency, short-spatial scale variation among neighouring pixels. To enhance the image and to improve its information content, it is necessary to remove this speckle. This is sometimes useful prior to image classification and other mapping applications where it can be good to reduce the within-patch variability (e.g., tonal variation, or texture, within agricultural fields) and to maximize the between-patch tonal distinctions (e.g., the differences between adjoining agricultural fields).
Apply a 5 × 5 mean filter to the natural_colour_hsi.tif
image created in Part 1 using the mean_filter tool. To do so, we'll need to split this RGB composite image apart into its individual components, using the split_colour_composite and then add them back together after the filtering operation.
Note that the code in the script below will not work as is. It contains bugs and you'll need to be able to identify them and fix them before you can run it. Debugging code is a major part of learning how to program. It involves interpreting error messages and various other skills (e.g. inserting print statements to help you determine where the program is failing).
mean_filter.py
import os
import whitebox_workflows
wbe = whitebox_workflows.WbEnvironment("floating-license-ID") # Initialize Whitebox
try:
# declare your working directory as a variable
wbe.working_directory = "/path/to/lab/data" # BE SURE TO UPDATE THIS
assert(os.path.isdir(wbe.working_directory))
wbe.verbose = False
image = wbe.read_raster("natural_colour_hsi.tif")
print("Break the image apart into its RGB components...")
red, green, blue = wbe.split_colour_composite(composite_image=image)
print("Filtering the images...)
filter_size = 5 # Dictates the kernel size used in the filtering
# Mean filter
red_filtered = wbe.mean_filter(
raster=red,
filter_size_x=filter_size,
filter_size_y=filter_size
)
green_filtered = wbe.mean_filter(
raster=green,
filter_size_x=filter_sise,
filter_size_y=filter_size
)
blue_filtered = wbe.mean_filter(
raster=blue,
filter_size_x=filter_sise,
filter_size_y=filter_size
)
print("Create a new composite...")
natural_colour_filtered = wbe.create_colour_composite(
reds=red_filtered,
green=green_filtered,
blue=blue_filtered,
enhance=False
)
wbe.write_raster(natural_colour_filtered, "natural_colour_filtered.tif", compress=True)
print("Operation complete!") # Provide some sort of indication that the job is done.
except Exception as e:
print(f"Exception: {e}")
finally:
print(wbe.check_in_license("floating-license-ID")) # Check your license back in.
Once the script has successfully run, open the resulting natural_colour_filtered.tif
image display it using the data visualization software and compare it to the original natural_colour_hsi.tif
image.
3.1 What were the bugs in the script above? Briefly describe the process that you used to identify and rectify them. (2 mark)
3.2. Describe the impact of the mean filter on the image? How does the filter impact the variation of tone (texture) with the larger land-cover patches (e.g. fields)? How does it impact the edges between patches as well as other linear features, such as roads? (5 mark)
One of the key characteristics of all spatial filters used in image processing is the kernel size, i.e. the size of the roving window. Modify the script so that it applies a 7 × 7 mean filter and compare the output to that of the 5 × 5 (be sure to change the output file name when you modify the script or you will overwrite the first filtered image).
3.3. What was the impact of increasing the filter size? Why might you need to increase or decrease the window size of a filter? (3 mark)
Modify the script again, this time change the filter tool to perform a 7 × 7 median_filter being sure to modify the output file name, and a 7 × 7 edge_preserving_mean_filter (use parameters threshold=40
and filter_size=7
).
3.4. How do the median and edge-preserving mean filters compare, with respect to their ability to smooth patches while preserving edges and linear features, to the earlier 7 × 7 mean filter? Which filter does the best job of smoothing the data while preserving the information contained in the edges defining spatial features like roads and field boundaries? (4 marks)
Edge Detection
Spatial convolution filters can be used for many common image processing tasks other than noise reduction. One common task is edge-detection, which is often used during automated mapping operations. Apply a 3 × 3 Sobel edge-detection filter to the natural_colour_hsi.tif
image using the following script:
sobel.py
import os
import whitebox_workflows
wbe = whitebox_workflows.WbEnvironment("floating-license-ID") # Initialize Whitebox
try:
# declare your working directory as a variable
wbe.working_directory = "/path/to/lab/data" # BE SURE TO UPDATE THIS
assert(os.path.isdir(wbe.working_directory))
wbe.verbose = False
image = wbe.read_raster("natural_colour_hsi.tif")
sobel = wbe.sobel_filter(image, variant="3x3", clip_tails=1.0)
wbe.write_raster(sobel, "natural_colour_sobel.tif", compress=True)
sobel_thresholded = sobel > 1.5 # Threshold the image for high values
sobel_thinned = wbe.line_thinning(sobel_thresholded) # Perform line-thinning to make the edges a single-cell wide
wbe.write_raster(sobel_thinned, "sobel_thresholded.tif", compress=True)
print("Operation complete!") # Provide some sort of indication that the job is done.
except Exception as e:
print(f"Exception: {e}")
finally:
print(wbe.check_in_license("floating-license-ID")) # Check your license back in.
Notice, that unlike the previous filters, we don't split the input colour composite image apart before applying the Sobel filter. This tool will work well with the RGB composite input image (in fact, each of the previous filters will also work on colour-composite images as well). When the script has successfully completed, display the resulting image using your data visualization software.
Include a screenshot of the Sobel image (natural_colour_sobel.tif) with your Lab report (1 mark).
3.5. How well does the filter work to highlight edges between adjacent land-use patches and linear features? (2 mark)
Typically, one would threshold a Sobel image (i.e. find all pixels greater than a threshold value) and then apply a line thinning method to further refine the mapped edges, which we do in the script above. Display the high-value thresholded and line-thinned image, sobel_thresholded.tif. You can experiment with increasing or decreasing the threshold value (you should base this on the range of values in the Sobel image itself, natural_colour_sobel.tif) until you are satified with your final single-cell edge feature map.
Include your a screenshot of the final edge map with your report. (1 mark).
3.7. Compare the final Sobel edges map with the original colour-composite image. Describe the kinds of spatial features in the scene that are being mapped as edges by the algorithm. (2 marks)
Modify the script above to run using the edge-preserving mean filter colour composite image created earlier as the input image.
Include your modified script with your Lab report along with a screenshot of the edge-preserving sobel filtered image. (2 mark).
3.6. To what extent does the use of a previously filtered image improve the detection of edge and linear features in the image rather than white-noise? (2 mark)


{% extends "pages/wiki/base.html" %} {% block title -%} Wiki Editor {%- endblock title %} {% block content %} {% from 'macros/render_form.html' import submitcancel_render_form %}
This editor is markdown featured.
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**bold** and *italics*
Create links with [GitHub](https://www.github.com). They turn into GitHub.
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Susan Granger's review of "STEPMOM" (Columbia Pictures)
Bring along lots of handkerchiefs because this adult drama with that terrible title is a real weeper. It's about two women who hate each other, two kids caught in the middle, and one man just trying to survive. Ed Harris's divorced wife, Susan Sarandon, and their kids - who live in suburbia - are anything but happy when his perky photographer girl-friend, Julia Roberts, moves into his Manhattan apartment. Everyone hates her until a life-threatening illness (cancer) forces Sarandon to accept her ex-husband's fiancee. Both women are selfish - in their own way. There's the perfect "soccer mom," who values her children's well-being over everything else, versus the surrogate, unwanted step-parent who never wanted children and is far more interested in her career than raising a family. Grasping her dynamic, gritty part and running with it magnificently, Susan Sarandon's mean, bitchy portrayal could earn her the Best Actress Academy Award this year with fresh, hip Julia Roberts claiming the Best Supporting Actress prize. Their scenes are so true and so vital and cut so deep. The moving script by Gigi Levangie ("I am a stepmom. I wrote this from personal experience.") and Ron Bass ("Rain Man," "My Best Friend's Wedding") is juicy, relevant, and contemporary, and director Chris Columbus ("Home Alone," "Mrs. Doubtfire") expertly adds bite and heart to the rich texture, making it about the humanity of people - with all the laughter and tears of real families. On the Granger Movie Gauge of 1 to 10, "Stepmom" is a spellbinding 10. It's a "must see" to watch two extraordinary actresses ignite the screen with bravura, Oscar-caliber performances in a poignant celebration of family and of life.
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
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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.
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WITNESS LIST
Homeland Security & Public Safety Committee
September 28, 2016 - 10:00 AM
Border Operations, Safety, & Security
On:
Berg, William (Self)
Chavez, Marlene (Self; Colonias Policy Analyst/Educator)
De La Fuente, Joe (Self)
Dodier, Jose (Texas State Soil & Water Conservation Board)
Dominguez, Astrid (ACLU of Texas)
Etheridge, Henry (City of Brownsville Chief of Police, Orlando Rodriguez)
Ezparza, Jaime (Border Prosecution Unit)
Foster, John (Texas State Soil & Water Conservation Board)
Gentsch, Bryan (Texas State Soil & Water Conservation Board)
Gonzalez, Alberto 'Betto' (City of Falfurrias Police Dept.)
Gravell, Bill (Justice of the Peace & Constable's Assc of Texas)
Guerra, Eddie (Hidalgo Co Sheriff)
Hunter, Craig (TX Parks and Wildlife)
Jones, Grahame (Texas Parks and Wildlife Dept)
Krampitz, Tom (Border Prosecution Unit)
Lucio, Omar (Cameron County Sheriff)
Martinez, Benny (Brooke County SO)
Martinez, Joe Frank (Texas Border Sheriff's Coalition/Val Verde Co.)
Martinez, Tony (City of Brownsville, TX)
McCraw, Steven (Dept. of Public Safety)
Nava, Richard (City of San Diego Police Dept)
Nevarez, Frank (City of Falfurrias)
Racelis, Alexis (Self; UT - Rio Grande Valley School for Earth, Environmental & Marine
Science)
Salinas, Eusevio (Texas Border Sheriffs Coalition - Zavala County)
Seifert, Michael (RGV Equal Voice Network)
Spence, Larry (Texas Border Sheriffs Coalition)
Spillers, John (City of Freer Police Department)
Sunday, Patti (Sister Norma Pimentel - Catholic Charities - Respite Sacred Heart)
Weisberg-Stewart, Monica (Texas Border Coalition)
Registering, but not testifying:
On:
Casterline, Leslie (Texas Parks and Wildlife Department)
Davis, Kevin (Texas Parks and Wildlife Department)
Dunks, James (Tx Parks & Wildlife)
Jones, Cody (Texas Parks & Wildlife Department)
Jones, Dexter (Texas Alcoholic Beverage Commission)
Teeler, Gary (Texas Parks & Wildlife)
Thomas, Janet (Texans for Immigration Reduction & Enforcement)
1


|
Packages |
| com.sun.jini.admin |
Interfaces that a service might choose to use
for some common administrative tasks. |
| com.sun.jini.config |
Defines convenience classes for writing configuration files and accessing Configuration entries. |
| com.sun.jini.discovery |
Provides a set of constraints, low-level utility classes, and provider
interfaces for participating in versions 1 and 2 of the multicast request,
multicast announcement, and unicast discovery protocols.
|
| com.sun.jini.discovery.kerberos |
Provides an implementation of the net.jini.discovery.kerberos
discovery format, specified in the Jini(TM) Discovery and Join
Specification. |
| com.sun.jini.discovery.plaintext |
Provides an implementation of the net.jini.discovery.plaintext
discovery format, specified in the Jini(TM) Discovery and Join
Specification. |
| com.sun.jini.discovery.ssl |
Provides an implementation of the net.jini.discovery.ssl discovery
format, specified in the Jini(TM) Discovery and Join Specification. |
| com.sun.jini.discovery.x500.sha1withdsa |
Provides an implementation of the
net.jini.discovery.x500.SHA1withDSA discovery format, specified in
the Jini(TM) Discovery and Join Specification. |
| com.sun.jini.discovery.x500.sha1withrsa |
Provides an implementation of the
net.jini.discovery.x500.SHA1withRSA discovery format, specified in
the Jini(TM) Discovery and Join Specification. |
| com.sun.jini.example.browser |
A visualization tool for exploring Jini(TM) Network Technology
communities (djinns). |
| com.sun.jini.fiddler |
Provides the server side of an implementation of the lookup discovery service
(see LookupDiscoveryService ).
|
| com.sun.jini.landlord |
This is a utility for services implementing leases. |
| com.sun.jini.lease |
Some basic utility classes for helping with
client-side lease renewal operations. |
| com.sun.jini.logging |
Defines convenience classes for use with the java.util.logging
package. |
| com.sun.jini.lookup.entry |
Helper utility classes for managing entries used as lookup service attributes. |
| com.sun.jini.mahalo |
Provides implementations of the
TransactionManager service.
|
| com.sun.jini.mercury |
Provides implementations of the
EventMailbox service.
|
| com.sun.jini.norm |
Provides implementations of LeaseRenewalService .
|
| com.sun.jini.outrigger |
This is an implementation of a JavaSpaces(TM) technology-enabled service.
|
| com.sun.jini.outrigger.logstore |
|
| com.sun.jini.outrigger.snaplogstore |
|
| com.sun.jini.phoenix |
A configurable Java(TM) Remote Method Invocation (Java RMI) activation
system daemon implementation. |
| com.sun.jini.proxy |
|
| com.sun.jini.reggie |
Provides implementations of ServiceRegistrar .
|
| com.sun.jini.resource |
Utility classes for manipulating resources. |
| com.sun.jini.start |
Provides the utilities and APIs used to launch the contributed services
provided in the Jini(TM) Technology Starter Kit (starter kit).
|
| com.sun.jini.thread |
These are utility classes and interfaces for helping with tasks done in multiple threads.
|
| com.sun.jini.tool |
Tools for: checking configuration files; checking for missing
serialVersionUID fields; computing class dependencies;
generating permission grants to debug security policy setup; providing
HTTP service; generating message digests; generating HTTPMD URLs;
generating wrapper JAR files; and generating preferred lists. |
| com.sun.jini.tool.envcheck |
Tool for examining the run-time environment of a Jini component. |
| net.jini.activation |
Extensions to the Java(TM) Remote Method Invocation (Java RMI) activation
framework to support activatable objects that are exported using an
Exporter to go inactive, to provide invocation
handlers for exporters that want to use dynamic proxies for
activatable remote objects, and to support trust verification of
secure activatable dynamic proxies and secure activation identifiers.
|
| net.jini.admin |
These interfaces provide common ways to export
particular administrative functionality. |
| net.jini.config |
Provides a Configuration interface for obtaining
objects needed to configure applications, such as Exporter or ProxyPreparer
instances, or other application-specific objects, from configuration
files, databases, or other sources. |
| net.jini.constraint |
Provides a basic implementation of
MethodConstraints and a
TrustVerifier for common constraints.
|
| net.jini.core.constraint |
Defines constraints and collections of constraints that can be used to control
method invocation, and an interface that proxies implement to allow clients
to specify constraints for remote method calls. |
| net.jini.core.discovery |
A standard utility class for finding particular lookup services. |
| net.jini.core.entry |
The Entry interface and its associated
UnusableEntryException are used by the lookup service
to represent service-specific attributes and by the JavaSpace
interface to mark entries. |
| net.jini.core.event |
The RemoteEventListener interface and related standard classes. |
| net.jini.core.lease |
These are distributed leasing interfaces and classes. |
| net.jini.core.lookup |
These are the lookup service interfaces and classes. |
| net.jini.core.transaction |
These are the transaction abstraction's interfaces and classes. |
| net.jini.core.transaction.server |
These are the default transaction semantics for participant/manager interaction.
|
| net.jini.discovery |
These are utility classes and interfaces that conform to the discovery and join
protocol defined in the Jini(TM) Discovery and Join Specification. |
| net.jini.entry |
Provides classes that are useful when handling or implementing
entries. |
| net.jini.event |
|
| net.jini.export |
Provides generic abstractions for exporting remote objects (Exporter ), obtaining a proxy from an exported remote
object (ProxyAccessor ), obtaining the
server-side context information for an executing remote call (ServerContext ), and defining export permissions
(ExportPermission ). |
| net.jini.id |
Provides classes and interfaces for using universally unique
identifiers.
|
| net.jini.iiop |
Provides an Exporter implementation,
IiopExporter , that can be used to export
and unexport
RMI-IIOP remote
objects.
|
| net.jini.io |
Provides I/O interfaces and utility classes.
|
| net.jini.io.context |
Provides type definitions for elements commonly found in the context
collections available from
ServerContext and
ObjectStreamContext . |
| net.jini.jeri |
Provides the fundamental abstractions and standard implementation
classes for Jini(TM) extensible remote invocation (Jini ERI).
|
| net.jini.jeri.connection |
Provides interfaces and classes for implementing connection-based
Jini(TM) extensible remote invocation (Jini ERI) transport layer
providers.
|
| net.jini.jeri.http |
Provides implementations of the Endpoint and
ServerEndpoint abstractions that use HTTP
messages sent over TCP sockets as the underlying communication
mechanism. |
| net.jini.jeri.kerberos |
Provides implementations of Endpoint and ServerEndpoint that use Kerberos as the underlying
network security protocol to support security related invocation
constraints for remote requests. |
| net.jini.jeri.ssl |
Provides implementations of Endpoint and ServerEndpoint that use TLS/SSL and HTTPS (HTTP over
TLS/SSL) to support invocation constraints. |
| net.jini.jeri.tcp |
Provides implementations of the Endpoint and
ServerEndpoint abstractions that use TCP sockets
as the underlying communication mechanism.
|
| net.jini.jrmp |
Provides an Exporter implementation,
JrmpExporter , that can be used to export
and unexport activatable and non-activatable
JRMP remote objects.
|
| net.jini.lease |
Standard service and utility classes for managing leases. |
| net.jini.loader |
Provides interfaces and utility classes related to dynamic class
loading with RMIClassLoader . |
| net.jini.loader.pref |
Provides class loader and RMIClassLoader
provider implementations that support preferred classes.
|
| net.jini.lookup |
Standard utility classes for managing the join state of a service
and the service discovery duties of a client or service. |
| net.jini.lookup.entry |
These are common entry classes for use as attributes in lookup services and
their associated JavaBeans(TM) component wrapping classes. |
| net.jini.security |
Provides mechanisms and abstractions for managing security, especially in the
presence of dynamically downloaded code. |
| net.jini.security.policy |
Provides an interface for security policy providers capable of dynamic
permission grants, an interface for security manager or policy providers
that use custom security context state, and a security policy provider
supporting dynamic permission grants.
|
| net.jini.security.proxytrust |
Defines a trust verifier to support verification of proxies that use
dynamically downloaded code, implementation mechanisms to support the
verification of such proxies, and an exporter for remote objects that have
such proxies. |
| net.jini.space |
JavaSpaces(TM) servers provide a place on the network, a space,
for clients to store and exchange objects. |
| net.jini.url.file |
Provides support for FILE URLs.
|
| net.jini.url.httpmd |
Provides support for the HTTPMD URL protocol. |
| net.jini.url.https |
Provides support for HTTPS URLs.
|


| File | Statements | Branches | Functions | Lines | |||||
|---|---|---|---|---|---|---|---|---|---|
| dist | 94.44% | 17/18 | 100% | 4/4 | 50% | 1/2 | 94.44% | 17/18 | |
| dist/Helper | 42.86% | 3/7 | 100% | 0/0 | 0% | 0/2 | 42.86% | 3/7 | |
| dist/controllers | 43.75% | 49/112 | 27.45% | 14/51 | 21.43% | 9/42 | 43.75% | 49/112 | |
| dist/models | 91.67% | 77/84 | 58.54% | 24/41 | 87.5% | 21/24 | 91.67% | 77/84 | |
| dist/routes | 79.31% | 23/29 | 72.73% | 8/11 | 60% | 3/5 | 79.31% | 23/29 | |
| dist/test | 86.6% | 84/97 | 100% | 4/4 | 84.62% | 33/39 | 86.6% | 84/97 |


CLISP(1) Platform: i686-pc-linux-gnu CLISP(1) NAME clisp - ANSI[38] Common Lisp[1] compiler, interpreter and debugger. SYNOPSIS clisp [[-h] | [--help]] [--version] [--license] [-help-image] [-B lisp-lib-dir] [-b] [-K linking-set] [-M mem-file] [-m memory-size] [-L language] [-N locale-dir] [-Edomain encoding] [[-q] | [--quiet] | [--silent] | [-v] | [--verbose]] [-on-error action] [-repl] [-w] [-I] [-disable-readline] [[-ansi] | [-traditional]] [-modern] [-p package] [-C] [-norc] [-lp directory...] [-i init-file...] [-c [-l] lisp-file [-o output-file]...] [-x expressions...] [lisp-file [argument...]] DESCRIPTION Invokes the Common Lisp[1] interpreter and compiler. Interactive Mode When called without arguments, executes the read-eval-print loop[2], in which expressions are in turn · READ[3] from the standard input, · EVAL[4]uated by the lisp interpreter, · and their results are PRINT[5]ed to the standard output. Non-Interactive (Batch) Mode Invoked with -c, compiles the specified lisp files to a platform-independent bytecode which can be executed more efficiently. Invoked with -x, executes the specified lisp expressions. Invoked with lisp-file, runs the specified lisp file. OPTIONS -h --help Displays a help message on how to invoke CLISP[6]. --version Displays the CLISP[6] version number, as given by the function LISP-IMPLEMENTATION-VERSION[7], the value of the variable *FEATURES*, as well some other information. --license Displays a summary of the licensing information, the GNU[8] GPL[9]. -help-image Displays information about the memory image being invoked: whether is it suitable for scripting as well as the :DOCUMENTATION supplied to EXT:SAVEINITMEM. -B lisp-lib-dir Specifies the installation directory. This is the directory containing the linking sets and other data files. This option is normally not necessary, because the installation directory is already built-in into the clisp executable. Directory lisp-lib-dir can be changed dynamically using the SYMBOL-MACRO[10] CUSTOM:*LIB-DIRECTORY*. -b Print the installation directory and exit immediately. The namestring of CUSTOM:*LIB-DIRECTORY* is printed without any quotes. This is mostly useful in module Makefiles, see, e.g., modules/syscalls/Makefile.in (file in the CLISP sources). -K linking-set Specifies the linking set to be run. This is a directory (relative to the lisp-lib-dir) containing at least a main executable (runtime) and an initial memory image. Possible values are base the core CLISP[6] full core plus all the modules with which this installation was built, see Section 32.2, “External Modules”. The default is base. -M mem-file Specifies the initial memory image. This must be a memory dump produced by the EXT:SAVEINITMEM function by this clisp runtime. It may have been compressed using GNU[8] gzip[11]. -m memory-size Sets the amount of memory CLISP[6] tries to grab on startup. The amount may be given as n nB measured in bytes n nW measured in machine words (4×n on 32-bit platforms, 8×n on 64-bit platforms) nK nKB measured in kilobytes nKW measured in kilowords nM nMB measured in megabytes nMW measured in megawords The default is 3 megabytes. The argument is constrained above 100 KB. This version of CLISP[6] is not likely to actually use the entire memory-size since garbage-collection will periodically reduce the amount of used memory. It is therefore common to specify 10 MB even if only 2 MB are going to be used. -L language Specifies the language CLISP[6] uses to communicate with the user. This may be one of english, german, french, spanish, dutch, russian, danish. Other languages may be specified through the environment variable[12] LANG, provided the corresponding message catalog is installed. The language may be changed dynamically using the SYMBOL-MACRO[10] CUSTOM:*CURRENT-LANGUAGE*. -N locale-dir Specifies the base directory of locale files. CLISP[6] will search its message catalogs in locale-dir/language/LC_MESSAGES/clisp.mo. This directory may be changed dynamically using the SYMBOL-MACRO[10] CUSTOM:*CURRENT-LANGUAGE*. -Edomain encoding Specifies the encoding used for the given domain, overriding the default which depends on the environment variable[12]s LC_ALL, LC_CTYPE, LANG. domain can be file affecting CUSTOM:*DEFAULT-FILE-ENCODING* pathname affecting CUSTOM:*PATHNAME-ENCODING* terminal affecting CUSTOM:*TERMINAL-ENCODING* foreign affecting CUSTOM:*FOREIGN-ENCODING* misc affecting CUSTOM:*MISC-ENCODING* blank affecting all of the above. Warning Note that the values of these SYMBOL-MACRO[10]s that have been saved in a memory image are ignored: these SYMBOL-MACRO[10]s are reset based on the OS environment after the memory image is loaded. You have to use the RC file, CUSTOM:*INIT-HOOKS* or init function to set them on startup, but it is best to set the aforementioned environment variable[12]s appropriately for consistency with other programs. See Section 31.1, “Customizing CLISP Process Initialization and Termination”. -q --quiet --silent -v --verbose Change verbosity level: by default, CLISP[6] displays a banner at startup and a good-bye message when quitting, and initializes *LOAD-VERBOSE*[13] and *COMPILE-VERBOSE*[14] to T[15], and *LOAD-PRINT*[13] and *COMPILE-PRINT*[14] to NIL[16], as per [ANSI CL standard]. The first -q removes the banner and the good-bye message, the second sets variables *LOAD-VERBOSE*[13], *COMPILE-VERBOSE*[14] and CUSTOM:*SAVEINITMEM-VERBOSE* to NIL[16]. The first -v sets variables CUSTOM:*REPORT-ERROR-PRINT-BACKTRACE*, *LOAD-PRINT*[13] and *COMPILE-PRINT*[14] to T[15], the second sets CUSTOM:*LOAD-ECHO* to T[15]. These settings affect the output produced by -i and -c options. Note that these settings persist into the read-eval-print loop[2]. Repeated -q and -v cancel each other, e.g., -q -q -v -v -v is equivalent to -v. -on-error action Establish global error handlers, depending on action:.PP appease continuable[17] ERROR[18]s are turned into WARNING[19]s (with EXT:APPEASE-CERRORS) other ERROR[18]s are handled in the default way debug ERROR[18]s INVOKE-DEBUGGER[20] (the normal read-eval-print loop[2] behavior), disables batch mode imposed by -c, -x, and lisp-file, abort continuable[17] ERROR[18]s are appeased, other ERROR[18]s are ABORT[21]ed with EXT:ABORT-ON-ERROR exit continuable[17] ERROR[18]s are appeased, other ERROR[18]s terminate CLISP[6] with EXT:EXIT-ON-ERROR (the normal batch mode behavior). See also EXT:SET-GLOBAL-HANDLER. -repl Start an interactive read-eval-print loop[2] after processing the -c, -x, and lisp-file options and on any ERROR[18] SIGNAL[22]ed during that processing. Disables batch mode. -w Wait for a keypress after program termination. -I Interact better with Emacs[23] (useful when running CLISP[6] under Emacs[23] using SLIME[24], ILISP[25] et al). With this option, CLISP[6] interacts in a way that Emacs[23] can deal with: · unnecessary prompts are not suppressed. · The GNU[8] readline[26] library treats TAB (see TAB key) as a normal self-inserting character (see Q: A.4.6). -disable-readline Do not use GNU[8] readline[26] even when it has been linked against. This can be used if one wants to paste non-ASCII[27] characters, or when GNU[8] readline[26] misbehaves due to installation (different versions on the build and install machines) or setup (bad TERM environment variable[12] value) issues. -ansi Comply with the [ANSI CL standard] specification even where CLISP[6] has been traditionally different by setting the SYMBOL-MACRO[10] CUSTOM:*ANSI* to T[15]. -traditional Traditional: reverses the residual effects of -ansi in the saved memory image. -modern Provides a modern view of symbols: at startup the *PACKAGE*[28] variable will be set to the “CS-COMMON-LISP-USER” package, and the *PRINT-CASE*[29] will be set to :DOWNCASE. This has the effect that symbol lookup is case-sensitive (except for keywords and old-style packages) and that keywords and uninterned symbols are printed with lower-case preferrence. See Section 11.5, “Package Case-Sensitivity”. -p package At startup the value of the variable *PACKAGE*[28] will be set to the package named package. The default is the value of *PACKAGE*[28] when the image was saved, normally “COMMON-LISP-USER”[30]. -C Compile when loading: at startup the value of the variable CUSTOM:*LOAD-COMPILING* will be set to T[15]. Code being LOAD[31]ed will then be COMPILE[32]d on the fly. This results in slower loading, but faster execution. -norc Normally CLISP[6] loads the user “run control” (RC)[33] file on startup (this happens after the -C option is processed). The file loaded is .clisprc.lisp or .clisprc.fas in the home directory USER-HOMEDIR-PATHNAME[34], whichever is newer. This option, -norc, prevents loading of the RC file. -lp directory Specifies directories to be added to CUSTOM:*LOAD-PATHS* at startup. This is done after loading the RC file (so that it does not override the command-line option) but before loading the init-files specified by the -i options (so that the init-files will be searched for in the specified directories). Several -lp options can be given; all the specified directories will be added. -i init-file Specifies initialization files to be LOAD[31]ed at startup. These should be lisp files (source or compiled). Several -i options can be given; all the specified files will be loaded in order. -c lisp-file Compiles the specified lisp-files to bytecode (*.fas). The compiled files can then be LOAD[31]ed instead of the sources to gain efficiency. Imposes batch mode. -o outputfile Specifies the output file or directory for the compilation of the last specified lisp-file. -l Produce a bytecode DISASSEMBLE[35] listing (*.lis) of the files being compiled. Useful only for debugging. See Section 24.1, “Function COMPILE-FILE” for details. -x expressions Executes a series of arbitrary expressions instead of a read-eval-print loop[2]. The values of the expressions will be output to *STANDARD-OUTPUT*[36]. Due to the argument processing done by the shell, the expressions must be enclosed in double quotes, and double quotes and backslashes must be escaped with backslashes. Imposes batch mode. lisp-file [ argument ... ] Loads and executes a lisp-file, as described in Section 32.6.2, “Scripting with CLISP”. There will be no read-eval-print loop[2]. Before lisp-file is loaded, the variable EXT:*ARGS* will be bound to a list of strings, representing the arguments. The first line of lisp-file may start with #!, thus permitting CLISP[6] to be used as a script interpreter. If lisp-file is -, the *STANDARD-INPUT*[36] is used instead of a file. This option is disabled if the memory image was created by EXT:SAVEINITMEM with NIL[16] :SCRIPT argument. In that case the LIST[37] EXT:*ARGS* starts with lisp-file. This option must be the last one. No RC file will be executed. Imposes batch mode. As usual, -- stops option processing and places all remaining command line arguments into EXT:*ARGS*. LANGUAGE REFERENCE The language implemented is ANSI[39][38] Common Lisp[1]. The implementation mostly conforms to the ANSI Common Lisp standard, see Section 31.10, “Maximum ANSI CL compliance”. [ANSI CL] ANSI CL standard1994. ANSI INCITS 226-1994 (R1999) Information Technology - Programming Language - Common Lisp[40] [formerly ANSI X3.226-1994 (R1999)]. COMMAND LINE USER ENVIRONMENT help get context-sensitive on-line help, see Chapter 25, Environment. (APROPOS name) list the SYMBOL[41]s matching name. (DESCRIBE symbol) describe the symbol. (exit) (quit) (bye) quit CLISP[6]. EOF (Control+D on UNIX[42]) leave the current level of the read-eval-print loop[2] (see also Section 1.1, “Special Symbols ”). arrow keys for editing and viewing the input history, using the GNU[8] readline[26] library. TAB key Context sensitive: · If you are in the “function position” (in the first symbol after an opening paren or in the first symbol after a #´[44]), the completion is limited to the symbols that name functions. · If you are in the "filename position" (inside a string after #P[45]), the completion is done across file names, GNU[8] bash[46]-style. · If you have not typed anything yet, you will get a help message, as if by the help command. · If you have not started typing the next symbol (i.e., you are at a whitespace), the current function or macro is DESCRIBEd. · Otherwise, the symbol you are currently typing is completed. USING AND EXTENDING CLISP Common Lisp[1] is a programmable programming language. —John Foderaro[47].PP When CLISP[6] is invoked, the runtime loads the initial memory image and outputs the prompt; at which one can start typing DEFVAR[48]s, DEFUN[49]s and DEFMACRO[50]s. To avoid having to re-enter the same definitions by hand in every session, one can create a lisp file with all the variables, functions, macros, etc.; (optionally) compile it with COMPILE-FILE[51]; and LOAD[31] it either by hand or from the RC file; or save a memory image to avoid the LOAD[31] overhead. However, sometimes one needs to use some functionality implemented in another language, e.g., call a C[52] library function. For that one uses the Foreign Function Interface and/or the External Modules facility. Finally, the truly adventurous ones might delve into Extending the Core. FILES clisp clisp.exe startup driver (an executable or, rarely, a shell script) which remembers the location of the runtime and starts it with the appropriate arguments lisp.run lisp.exe main executable (runtime) - the part of CLISP[6] implemented in C[52]. lispinit.mem initial memory image (the part of CLISP[6] implemented in lisp) config.lisp site-dependent configuration (should have been customized before CLISP[6] was built); see Section 31.12, “Customizing CLISP behavior” *.lisp lisp source *.fas lisp code, compiled by CLISP[6] *.lib lisp source library information, generated by COMPILE-FILE, see Section 24.3, “Function REQUIRE”. *.c C code, compiled from lisp source by CLISP[6] (see Section 32.3, “The Foreign Function Call Facility”) For the CLISP[6] source files, see Chapter 34, The source files of CLISP. ENVIRONMENT All environment variable[12]s that CLISP[6] uses are read at most once. CLISP_LANGUAGE specifies the language CLISP[6] uses to communicate with the user. The legal values are identical to those of the -L option which can be used to override this environment variable[12]. LC_CTYPE specifies the locale which determines the character set in use. The value can be of the form language or language_country or language_country.charset, where language is a two-letter ISO 639 language code (lower case), country is a two-letter ISO 3166 country code (upper case). charset is an optional character set specification, and needs normally not be given because the character set can be inferred from the language and country. This environment variable[12] can be overridden with the -Edomain encoding option. LANG specifies the language CLISP[6] uses to communicate with the user, unless it is already specified through the environment variable[12] CLISP_LANGUAGE or the -L option. It also specifies the locale determining the character set in use, unless already specified through the environment variable[12] LC_CTYPE. The value may begin with a two-letter ISO 639 language code, for example en, de, fr. HOME USER used for determining the value of the function USER-HOMEDIR-PATHNAME[34]. SHELL COMSPEC is used to find the interactive command interpreter called by EXT:SHELL. TERM determines the screen size recognized by the pretty printer. ORGANIZATION for SHORT-SITE-NAME[53] and LONG-SITE-NAME[53] in config.lisp. CLHSROOT for CUSTOM:CLHS-ROOT in config.lisp. IMPNOTES for CUSTOM:IMPNOTES-ROOT in config.lisp. EDITOR for editor-name in config.lisp. LOGICAL_HOST_host_FROM LOGICAL_HOST_host_TO LOGICAL_HOST_host for CUSTOM:*LOAD-LOGICAL-PATHNAME-TRANSLATIONS-DATABASE* INPUT AND OUTUT See Section 21.1.1, “Initialization of Standard Streams”. SEE ALSO CLISP impnotes clisp-link(1) CMU CL[54] - cmucl(1) Emacs[23] - emacs(1) XEmacs[55] - xemacs(1) BUGS When you encounter a bug in CLISP[6] or in its documentation (this manual page or CLISP impnotes), please report it to the CLISP[6] SourceForge bug tracker[56]. Before submitting a bug report, please take the following basic steps to make the report more useful: 1. Please do a clean build (remove your build directory and build CLISP[6] with ./configure --cbc build or at least do a make distclean before make). 2. If you are reporting a “hard crash” (segmentation fault, bus error, core dump etc), please do ./configure --with-debug --cbc build-g ; cd build-g; gdb lisp.run, then load the appropriate linking set by either base or full gdb[57] command, and report the backtrace (see also Q: A.1.1.10). 3. If you are using pre-built binaries and experience a hard crash, the problem is likely to be in the incompatibilities between the platform on which the binary was built and yours; please try compiling the sources and report the problem if it persists. When submitting a bug report, please specify the following information: 1. What is your platform (uname -a on a UNIX[42] system)? Compiler version? GNU[8] libc[58] version (on GNU[8]/Linux[59])? 2. Where did you get the sources or binaries? When? (Absolute dates, e.g., “2006-01-17”, are preferred over the relative ones, e.g., “2 days ago”). 3. How did you build CLISP[6]? (What command, options &c.) 4. What is the output of clisp --version? 5. Please supply the full output (copy and paste) of all the error messages, as well as detailed instructions on how to reproduce them. PROJECTS · Enhance the compiler so that it can inline local functions. · Embed CLISP[6] in VIM[60]. AUTHORS Bruno Haible <http://www.haible.de/bruno/> The original author and long-time maintainer. Michael Stoll <http://www.faculty.iu-bremen.de/mstoll/> The original author. Sam Steingold <http://sds.podval.org/> Co-maintainer since 1998. Others See COPYRIGHT (file in the CLISP sources) for the list of other contributors and the license. COPYRIGHT Copyright © 1992-2010 Bruno Haible Copyright © 1998-2010 Sam Steingold NOTES 1. Common Lisp http://www.lisp.org 2. read-eval-print loop [set $man.base.url.for.relative.links]/sec_25-1-1 3. READ http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_readcm_re_g-whitespace.html 4. EVAL http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_eval.html 5. PRINT http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_writecm_p_rintcm_princ.html 6. CLISP http://clisp.cons.org 7. LISP-IMPLEMENTATION-VERSION http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_lisp-impl_tion-version.html 8. GNU http://www.gnu.org 9. GPL http://www.gnu.org/copyleft/gpl.html 10. SYMBOL-MACRO [set $man.base.url.for.relative.links]/mac_define-symbol-macro 11. gzip http://www.gzip.org/ 12. environment variable [set $man.base.url.for.relative.links]/basedefs/xbd_chap08.html 13. *LOAD-VERBOSE* http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/var_stload-pr_ad-verbosest.html 14. *COMPILE-VERBOSE* http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/var_stcompile_le-verbosest.html 15. T http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/convar_t.html 16. NIL http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/convar_nil.html 17. continuable [set $man.base.url.for.relative.links]/clhs/glo 18. ERROR http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/contyp_error.html 19. WARNING http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/contyp_warning.html 20. INVOKE-DEBUGGER http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_invoke-debugger.html 21. ABORT http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_abortcm_c_cm_use-value.html 22. SIGNAL http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_signal.html 23. Emacs http://www.gnu.org/software/emacs/ 24. SLIME http://common-lisp.net/project/slime/ 25. ILISP http://sourceforge.net/projects/ilisp/ 26. readline http://tiswww.case.edu/php/chet/readline/readline.html 27. ASCII http://en.wikipedia.org/wiki/ASCII 28. *PACKAGE* http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/var_stpackagest.html 29. *PRINT-CASE* http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/var_stprint-casest.html 30. “COMMON-LISP-USER” [set $man.base.url.for.relative.links]/sec_11-1-2-2 31. LOAD http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_load.html 32. COMPILE http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_compile.html 33. “run control” (RC) http://www.faqs.org/docs/artu/ch10s03.html 34. USER-HOMEDIR-PATHNAME http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_user-homedir-pathname.html 35. DISASSEMBLE http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_disassemble.html 36. *STANDARD-OUTPUT* http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/var_stdebug-i_ace-outputst.html 37. LIST http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/syscla_list.html 38. ANSI http://www.ansi.org/ 39. The American National Standards Institute 40. Information Technology - Programming Language - Common Lisp http://webstore.ansi.org/RecordDetail.aspx?sku=ANSI+INCITS+226-1994+(R1999) 41. SYMBOL http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/syscla_symbol.html 42. UNIX http://www.unix.org/online.html 43. Win32 http://winehq.org/ 44. #' [set $man.base.url.for.relative.links]/sec_2-4-8-2 45. #P [set $man.base.url.for.relative.links]/sec_2-4-8-14 46. bash http://www.gnu.org/software/bash/ 47. John Foderaro http://www.franz.com/~jkf/ 48. DEFVAR http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/mac_defparametercm_defvar.html 49. DEFUN http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/mac_defun.html 50. DEFMACRO http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/mac_defmacro.html 51. COMPILE-FILE http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_compile-file.html 52. C http://c-faq.com/ 53. SHORT-SITE-NAME http://www.ai.mit.edu/projects/iiip/doc/CommonLISP/HyperSpec/Body/fun_short-sit_ng-site-name.html 54. CMU CL http://www.cons.org/cmucl/ 55. XEmacs http://www.xemacs.org 56. SourceForge bug tracker http://sourceforge.net/tracker/?func=add&group_id=1355&atid=101355 57. gdb http://sources.redhat.com/gdb/ 58. libc http://www.gnu.org/software/libc/ 59. Linux http://www.linux.org/ 60. VIM http://www.vim.org CLISP 2.49 Last modified: 2010-07-07 CLISP(1)


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BY EDWIN JAHIEL
SIMON BIRCH ** 1/2 Directed and written by Mark Steven Johnson, suggested by the novel łA Prayer for Owen Meany˛ by John Irving.Photography, Aaron E. Schneider. Editing, Betsy Heimann. Production design, David Chapman. Music, Marc Shaiman. Cast: Ian Michael Smith (Simon Birch), Joseph Mazzello (Joe Wenteworth), Ashley Judd ( Rebecca Wenteworth), Oliver Platt (Ben Goodrich), David Strathairn ( Rev. Russell), Dana Ivey ( Grandmother Wenteworth), Beatrice Winde (Hilde Grove), Jan Hooks ( Miss Leavey ), et al. A Hollywood Pictures release. 113 minutes. Rated PG.
In older days, when handkerchiefs (small squares of cloth) were in common use, many films where sentiment predominated were called "a two-hankie," "a three-hankie" movie, etc. Today, how many paper tissues will absorb the lacrymosity of "Simon Birch"'s audience is debatable, but use of Kleenex (a registered trademark) will and does occur among several viewers, as does a hush during certain sections of the film.
This isn't all bad. Any picture that touches hearts, even those of salesgirls (a sexist expression from older eras), can nowadays come as a relief from screen brutality, gratuitous action, catastrophes, spectacular special effects and the like, all at the expense of rational thought or natural feelings.
That's the bottom line for "Simon Birch," which comes from a book by John Irving -- said to be his most popular in the U.K.--but do notice the credits above. They state "suggested by the novel," which distances the movie from the printed work far more than " from the novel." Irving himself apparently demanded this, as well as the change in the title.
This is the first film directed by Mark Steven Johnson, a Minnesotan in his early thirties who scripted Grumpy Old Men , Grumpier Old Men, Big Bully, and the yet unreleased Frost (or Jack Frost). The task of writing a scenario from any John Irving book is daunting; translating Irving's mix of fantasy, realism, humor and seriousness, points of view and strategies into a motion picture is no piece of cake. (Two Irving novels have already been made into films, The World According to Garp, and The Hotel New Hampshire. A third, The Cider House Rules, is in pre-production).
Mr. Johnson opted for simplification, modification and selectivity --for example he cut out the original's sections about VietNam. The story that's left is about Simon, who, we learn right from the start, lived from 1952 to 1964 in a small New England town. The son of hardy stock (symbolically, his father is in the granite business), he was the tiniest child ever born in the local hospital. He suffered from a genetic flaw called Morquio's Syndrome which results in dwarfism.
We meet Simon when he is about 12, fully grown at three feet and one inch. He is played by 11-year old sixth-grader Ian Michael Smith (b. Chicago, in May 1987), in his film debut. It is worth quoting the press information which, as a rule, hypes things up, but here is really fascinating. "Ian lives near Chicago with younger brother Brian, his mother , who has an MA in music education and has been a high school band and orchestra director, and his father, a management consultant and former stage actor with a BA in political science and a Master's in foreign language teaching." Ian Smith, a top student who reads a great deal, has many interests, is learning piano and trumpet, etc. etc.
In the film, Simon's diminutive size finds its other extreme in an amazingly precocious, intelligent brain and, to use a much-abused epithet, a truly unique disposition. The boy, fully aware of how he is seen by others, as a freak or a toy, a pet, the object of games at his expense (though not really cruel ones), takes it all in with equanimity, tolerance, humor, even self-mockery. He appears to be philosophical about his unusual physique and, indeed, something of a mystic who believes that God created him for some mysterious special purpose and that He plans for Simon to become a hero some day.
Simon closest friend is a boy his age, his constant companion Joe Wenteworth who towers over him. Joe too is different from the other townspeople. He was born out of wedlock to the beautiful Rebecca, after she had a brief encounter with a stranger. Rebecca, ever charming, poised and good-humored, has never revealed the identity of Joe's father, not even to her mother ( Grandmother Wenteworth), a local and rather patrician widow who allies a mock-serious mien with genuine kindness. When, years ago, Grandma's black maid Hildie lost a leg, the senior Mrs. Wenteworth, having hired a replacement maid, also engaged a second one, to take care of Hildie, who became her friend and companion to both ladies' dying days.
Simon's parents are left unexplored in the movie though it is obvious that they consider the boy as an unwelcome presence. Not much is said about the Wenteworth group, yet is abundantly clear that, with Simon in tow, they constitute a lovable circle for us and a circle of eccentrics by local standards.
I speculate that the change of name from the novel's Owen Meany to Simon Birch is no choice out of a hat. Most probably "Simon" is an ironic joke about "Simple Simon," since this Simon is anything but simple. "Birch" may have to do with the resilience and the bending of the tree. Whatever the symbolism, Simon is a complex creature whose rich language and reactions keep astounding us. His comments and repartee are way beyond his age. For example, he wonders why Rebecca does not reveal to Joe his father's identity: "You're already a bastard. You might as well be an enlightened one."
Simon occasionally may sound like a child, but more often like an adult, whom some might call smart-alecky. In Sunday school class and at church services he is a thorn in the Reverend Russell's flesh as he argues, reasons, contradicts with impeccable logic and a vast knowledge of the Bible. At some point there is even a duel of Biblical quotes between the child and the preacher.
There is also, in the boy, a layer of sexuality that comes out in speech a la John Irving. And, if I remember correctly, at one point Simon mentions to Joe his physical attraction to Rebecca, over and above his love for the young woman whose affection, kindness and understanding of Simon make her his surrogate and (in today's sense) virtual mother.
The story is framed by a serious Jim Carrey, as the now adult Joe, who, without projecting his teeth, narrates the start and the end of the tale -- a tale that I shall not even hint at except to say that Simon's search for his purpose on this earth and Joe's search for his father come to fruition. It's a colorful, original story but it also moves too slowly, even gets sluggish and heavy-handed at times, has unclear elements, lays it on thick --"it" being characterizations, events, a saccharine and/or inappropriate music score, excessive colorfulness, predictable bits, etc. Above all one is being constantly manipulated at the level of emotions. The movie, which is too long, too often pushes pathos into bathos.
Yet, each time I began to twitch and get bored, I reminded myself that, after all, this picture does go against the grain of the no-think cinematic excesses that engulf us and that this is something to be thankful for; and that Ian Michael Smith's extraordinary performance makes up for filmic weaknesses.
" Le mauvais gout mene au crime" (Stendhal)
Edwin Jahiel's movie reviews are at http://www.prairienet.org/ejahiel
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Code of Conduct
Please note that this project and discussion forum is governed by the Citizen Code of Conduct
1. Purpose
A primary goal of the Python Community for Healthcare is to be inclusive to the largest number of contributors, with the most varied and diverse backgrounds possible. As such, we are committed to providing a friendly, safe and welcoming environment for all, regardless of gender, sexual orientation, ability, ethnicity, socioeconomic status, and religion (or lack thereof).
This code of conduct outlines our expectations for all those who participate in our community, as well as the consequences for unacceptable behavior.
We invite all those who participate in the Python Community for Healthcare to help us create safe and positive experiences for everyone.
2. Open [Source/Culture/Tech] Citizenship
A supplemental goal of this Code of Conduct is to increase open [source/culture/tech] citizenship by encouraging participants to recognize and strengthen the relationships between our actions and their effects on our community.
Communities mirror the societies in which they exist and positive action is essential to counteract the many forms of inequality and abuses of power that exist in society.
If you see someone who is making an extra effort to ensure our community is welcoming, friendly, and encourages all participants to contribute to the fullest extent, we want to know.
3. Expected Behaviour
The following behaviors are expected and requested of all community members:
- Participate in an authentic and active way. In doing so, you contribute to the health and longevity of this community.
- Exercise consideration and respect in your speech and actions.
- Attempt collaboration before conflict.
- Refrain from demeaning, discriminatory, or harassing behavior and speech.
- Be mindful of your surroundings and of your fellow participants. Alert community leaders if you notice a dangerous situation, someone in distress, or violations of this Code of Conduct, even if they seem inconsequential.
- Remember that community event venues may be shared with members of the public; please be respectful to all patrons of these locations.
4. Unacceptable Behavior
The following behaviors are considered harassment and are unacceptable within our community:
- Violence, threats of violence or violent language directed against another person.
- Sexist, racist, homophobic, transphobic, ableist or otherwise discriminatory jokes and language.
- Posting or displaying sexually explicit or violent material.
- Posting or threatening to post other people's personally identifying information ("doxing").
- Personal insults, particularly those related to gender, sexual orientation, race, religion, or disability.
- Inappropriate photography or recording.
- Inappropriate physical contact. You should have someone's consent before touching them.
- Unwelcome sexual attention. This includes, sexualized comments or jokes; inappropriate touching, groping, and unwelcomed sexual advances.
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- Advocating for, or encouraging, any of the above behavior.
- Sustained disruption of community events, including talks and presentations.
5. Weapons Policy
No weapons will be allowed at nhs.pycom events, community spaces, or in other spaces covered by the scope of this Code of Conduct. Weapons include but are not limited to guns, explosives (including fireworks), and large knives such as those used for hunting or display, as well as any other item used for the purpose of causing injury or harm to others. Anyone seen in possession of one of these items will be asked to leave immediately, and will only be allowed to return without the weapon. Community members are further expected to comply with all state and local laws on this matter.
6. Consequences of Unacceptable Behavior
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Anyone asked to stop unacceptable behavior is expected to comply immediately.
If a community member engages in unacceptable behavior, the community organizers may take any action they deem appropriate, up to and including a temporary ban or permanent expulsion from the community without warning (and without refund in the case of a paid event).
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If you are subject to or witness unacceptable behavior, or have any other concerns, please notify a community organizer as soon as possible<EMAIL_ADDRESS>Additionally, community organizers are available to help community members engage with local law enforcement or to otherwise help those experiencing unacceptable behavior feel safe. In the context of in-person events, organizers will also provide escorts as desired by the person experiencing distress.
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If you feel you have been falsely or unfairly accused of violating this Code of Conduct, you should notify the Python Community for Healthcare with a concise description of your grievance. Your grievance will be handled in accordance with our existing governing policies.
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This code of conduct and its related procedures also applies to unacceptable behavior occurring outside the scope of community activities when such behavior has the potential to adversely affect the safety and well-being of community members.
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11. License and attribution
The Citizen Code of Conduct is distributed by Stumptown Syndicate under a Creative Commons Attribution-ShareAlike license.
Portions of text derived from the Django Code of Conduct and the Geek Feminism Anti-Harassment Policy.
Revision 2.3. Posted 6 March 2017.
Revision 2.2. Posted 4 February 2016.
Revision 2.1. Posted 23 June 2014.
Revision 2.0, adopted by the Stumptown Syndicate board on 10 January 2013. Posted 17 March 2013.


|
SuanShu, a Java numerical and statistical library | |||||||
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java.lang.Object com.numericalmethod.suanshu.matrix.doubles.factorization.triangle.Doolittle
public class Doolittle
This class implements the Doolittle algorithm with column/partial pivoting for the LU decomposition of a square matrix. It iteratively fills the first row, then first column, then second row, second column, etc. Before each iteration, it swaps the rows so that the biggest entry in the column is on the main diagonal. If this biggest entry is 0, the Doolittle construction fails and throws a runtime exception.
On success, we have
P %*% A == L %*% U
where
A
is an n x n
matrix, P
is an n x n
pivoting matrix,
L
is an n x n
lower triangular matrix, U
is an n x n
upper triangular matrix.
That is,
P.multiply(A) == L.multiply(U)
Singular matrix can have valid LU decomposition.
Note that not every non-singular matrix can be factored as A = L %*% U. E.g., |1, 0, 0| |0, 0, 2| |0, 1, -1|
On the other hand, the LU decomposition with pivoting always exists, even if the matrix is singular.
| Field Summary | |
|---|---|
int |
dim
the dimension of the square matrix A |
double |
epsilon
a precision parameter: when a number |x| ≤ ε, it is considered 0 |
boolean |
usePivoting
true if partial pivoting is wanted, e.g., for numerical stability |
| Constructor Summary | |
|---|---|
Doolittle(Matrix A)
Construct an LU decomposition using the Doolittle algorithm. |
|
Doolittle(Matrix A,
boolean usePivoting,
double epsilon)
Construct an LU decomposition using the Doolittle algorithm. |
| Method Summary | |
|---|---|
LowerTriangularMatrix |
L()
Get a copy of the lower triangular matrix L as in
P %*% A == L %*% U |
PermutationMatrix |
P()
Get a copy of the permutation matrix P as in
P %*% A == L %*% U |
UpperTriangularMatrix |
U()
Get a copy of the upper triangular matrix U as in
P %*% A == L %*% U |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public final int dim
A
public final boolean usePivoting
true
if partial pivoting is wanted, e.g., for numerical stability
public final double epsilon
| Constructor Detail |
|---|
public Doolittle(Matrix A, boolean usePivoting, double epsilon)
A
- a square matrixusePivoting
- true
if partial pivoting is wanted, e.g., for numerical stabilityepsilon
- a precision parameter: when a number |x| ≤ ε, it is considered 0
java.lang.IllegalArgumentException
- if A
is not squarepublic Doolittle(Matrix A)
A
- a square matrix to which Doolittle is applied
java.lang.IllegalArgumentException
- if A
is not square| Method Detail |
|---|
public LowerTriangularMatrix L()
LUDecomposition
L
as in
P %*% A == L %*% U
L
in interface LUDecomposition
L
public UpperTriangularMatrix U()
LUDecomposition
U
as in
P %*% A == L %*% U
U
in interface LUDecomposition
U
public PermutationMatrix P()
LUDecomposition
P
as in
P %*% A == L %*% U
P
in interface LUDecomposition
P
|
SuanShu, a Java numerical and statistical library | |||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |


| Name | Emp Id | Designation | Department | Gender | Type | Subjects | status | |
|---|---|---|---|---|---|---|---|---|
| {{ teacher.teacherName + ' ' + teacher.teacherLastName }} | {{ teacher.employeeId }} | {{ teacher.designation }} | {{ teacher.department.name }} | {{ teacher.sex }} | {{ teacher.staffType }} | {{ teacher.contactNo }} | {{ teacher.status }} |


The keyCode values of keydown and keyup for international keys differ between browsers. Since it is not possible
to retrieve the current keyboard layout using JavaScript, $.event.key needs to be provided with custom key mappings
for keyboard layouts you want to support.
The following tool generates a $.event.key mapping from your current keyboard layout and Browser.
Just press the keys that don't get recognized properly and they will be added to the code block
which you can copy and provide in your application:
Generally it is recommended to use keypress to retrieve the actual character being pressed.
Note: In Mac OS Firefox won't return any values at all for international
characters on keydown and keyup.
jQuery.event.key
adds a keyName() method to the jQuery event object that returns a string representation of the current key:The following keynames are mapped by default:
\b
- backspace\t
- tab\r
- enter keyshift
,ctrl
,alt
pause-break
,caps
,escape
,num-lock
,scroll-loc
,print
page-up
,page-down
,end
,home
,left
,up
,right
,down
,insert
,delete
' '
- space0-9
- number key presseda-z
- alpha key pressednum0-9
- number pad key pressedf1-12
- function keys pressed/
,;
,:
,=
,,
,-
,.
,/
,[
,\
,]
,'
,"
Supporting international keyboards
The keyCode values of
keydown
andkeyup
for international keys differ between browsers. Since it is not possible to retrieve the current keyboard layout using JavaScript,$.event.key
needs to be provided with custom key mappings for keyboard layouts you want to support.The following tool generates a
$.event.key
mapping from your current keyboard layout and Browser. Just press the keys that don't get recognized properly and they will be added to the code block which you can copy and provide in your application:Generally it is recommended to use
keypress
to retrieve the actual character being pressed.Demo


Paragraph with important text
Paragraph with link to seznam.cz
Paragraph with special characters: 5>2


GLSL and Instances
Color and Scale from Texture
Similar to the techniques used in our previous examples, we can also use textures to manipulate our instances in terms of both color and size. This allows us to quickly map images onto our instances. In this example, the scale of our instance is determined by the sampled pixel’s alpha, and the color of the instance is derived by the color of the pixel.
Here we again use our helper fucntion CoordsFromTex()
. This function will return an ivec2 with a set of x and y coordinates that we’ll use to sample the texture. Here’s our helper function:
ivec2 CoordsFromTex(vec2 size, int id){
float xCoord = mod(float(id), size.x);
float yCoord = fract( (float(id) / (size.x * size.y)) ) * size.y;
return ivec2(int(xCoord), int(yCoord));
}
This function takes a vec2 that describes the dimensions of our texture (the number of pixels in x and y), and the instance ID. From those two values we can derive the pixel coordinate where we want to sample. These values will be used with texelFetch()
— a function that provides pixel accurate results, prefered over the alternative texture()
function which uses noramlized coordinates. In the following four lines we’ll use this function to look up our texel, retrieve the value from the alpha channel, scale this by a uniform u_disp
, and finally scale our entire instance by the result:
ivec2 xyLookup = CoordsFromTex(u_texture_size, TDInstanceID());
vec4 fragColor = texelFetch(s_disp, xyLookup, 0);
float scale = fragColor.a * u_disp_scale;
vec3 new_p = P * scale;
On line 48 we use the rgb values of our pixel as the color for the instance:
oVert.color = vec4(fragColor.rgb, 1.0);
There are a few other pieces at play in this example, so it’s worth taking some time to look through the network to see how all of this works.
Tested in TouchDesigner099 2020.23680
Updated 06.03.20
Matthew Ragan
Zoe Sandoval