Django Models: Building a Blog¶
GOALS:
- Introduce Django Models and Databases
- Add a Blog to our Site
- Use Python to analyze Blog Data
Starting the Blog¶
We will add a blog app to our site in the familiar manner. Be sure that
you start by navigating to your project directory and activate the
existing virtual environment (pipenv shell
). Now, we create the new
application with
python manage.py startapp blog
Next, be sure to add this app to your settings.py
file in the main
project directory.
Django Models¶
As we saw in our earlier applications, we had a default models.py
file. The models
are Django’s place to structure database elements.
We will see how to use the admin console to produce entries to this
database for our blog. For example, suppose we want to be able to parse
Title, Author, Body, Created Date, and Published Date. We will
create fields for these that are then stored as data in a default SQLite
database.
To begin, open the models.py
file. There are a variety of kinds of
fields that we can use, but we will start with some basics. To see more
refer to the Django Field documentation:
https://docs.djangoproject.com/en/2.0/ref/models/fields/#common-model-field-options
from django.db import models
from django.contrib.auth.models import User
from django.utils import timezone
from django.urls import reverse
# Create your models here.
class Post(models.Model):
title = models.CharField(max_length = 200)
author = models.ForeignKey(User,on_delete = models.CASCADE, related_name = 'author')
body = models.TextField()
created_date = models.DateTimeField(blank = True, null = True)
published_date = models.DateTimeField(blank=True, null=True)
This will allow us to login to the website and directly enter new blog
posts with each of these fields. Notice that the title is a
CharField
whose length has been limited. The author
is a
ForeignKey
that maps to user. This is a many to one element, that
allows the user to create multiple posts. The body
is a
TextField
and our created_date
and published_date
are
DateTimeField
types.
These will make more sense once we see the administration side which we will activate now.
Django Administration¶
The admin side of Django allows us to login to the site and work in a friendly browser view. We start with creating a login for the admin in the terminal with:
python manage.py createsuperuser
You will be promted to enter a username, email, and password. Remember
these, as you will be using them in just a minute. Before being able to
login, we register the model class we’ve created in our admin.py
file as follows.
from django.contrib import admin
from .models import Post
admin.site.register(Post)
Now, run our server and head to <IP_ADDRESS>:8000/admin. Hopefully after logging in, you will see the following:
Go ahead and add a few posts with arbitrary information such as:
Accessing our Data: QuerySets¶
Once you have a few data fields entered, you can go access this information in the shell.  Next, start IPython up in the terminal running:
python manage.py shell
Now, we are using python just as we have in a Jupyter notebook. We want to load our model to examine, just as we’ve imported other objects in the past.
from blog.models import Post
Now we have access to all the attributes of the Post. Recall that when
we defined the Post class, we gave it attributes named
title, author,
and body
. We can display these looping through
the Post objects.
for title in Post.objects.all():
print title.title
Blog View¶
Much like we used the TemplateView
for our earlier applications, we
will use two additional view types that Django has for typical viewing
behavior. First, is the ListView
. This will connect with our data
and allow us to list specific pieces of it. Makes sense for a blog
homepage.
Create a new view, import the ListView
, and a blank base.html
and home.html
file.
from django.views.generic import ListView
from . models import Post
class BlogListView(ListView):
model = Post
template_name = 'home.html'
Create the base much as our earlier example, but place the content
inside of a

tag as follows:

{% block content %}
{% endblock content %}

The ListView
contains an object_list
that we can use to access
the elements of the model in a view, similar to how we accessed them in
the shell before. We will do this by looping through the blog entries
and displaying the title and body of the entries.
{% block content %}
{% for post in object_list %}

{{ post.title }}

{{ post.body }}

{% endfor %}
{% endblock content %}
Finally, we create a url to our blog, add this to our navigation, and fire up the server. We should see something that looks like a list of our entries with the title and body of the post.
Adding Individual Blog Pages¶
While our blog pages now have a home, we would like to link to these
pages and see the entire blog entry. To do so, we will create a template
named blog_detail.html
and use a DetailView
to display the
details of the blog content. We need three things here; a view for the
detail pages, a template for them, and a url that maps to these.
The view for the individual blogs should feel familiar. We import the
DetailView
and create a class based view with the template named
blog_detail.html
.
class BlogDetailView(DetailView):
model = Post
template_name = 'blog_detail.html'
Next, we can create our template in the templates folder named
blog_detail.html
. We will ask for the detail object_list
containing the model elements and return the title and body of
the blog.
{% block content %}

{{ post.title }}

{{ post.body }}

{% endblock content %}
Finally, we create the urls. We should recognize that now we are creating a list of urls, unlike our earlier work. We will make use of the fact that Django provides each entry in the database with an index called a primary key. In other words, my first blog post has primary key 1, my second 2, and so on. Thus, we can create urls based on these indicies as follows.
from django.urls import path, include
from . import views
urlpatterns = [
path('blog/', views.BlogListView.as_view(), name = 'blog'),
path('blog/<int:pk>/', views.BlogDetailView.as_view(),
]
In a similar manner, we can head over to our templates and attach href values to these titles based on the primary key as follows:
html Title


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#File IO without block
#f = File.new("testfile", "r")
#f.close
#File IO with block, implicit call to f.close
#File.open("testfile", "r") do |aFile| end
#Hash to array
h = { 1 => 2, "cat" => "tom" }
a = h.to_a
#Array to hash
a = (1..10).to_a
h = Hash[a.map { |i| [i, i * 2] } ]
#Iterate through a hash
h.each { |i| puts "#{i[0]} : #{i[1]}" }
#Use array as stack
a.push 19
a.pop
#Arrays can be used as: stacks, sets, queues, dequeues, and fifos
Print the content of an array of sixteen numbers, four numbers at a time, using just each. Now, do the same with each_slice in Enumerable:
#Using each (interesting fact: there is a closure on a here)
a.each { |i| if i % 4 == 0 then puts "#{a[i-4..i-1]}" end }
#Using each_slice
a.each_slice(4) { |s| puts "#{s}" }
Rewrite the Tree class so it can be initialized with a nested structure with hashes and arrays:
#Initial code from the book
class Tree
attr_accessor :children, :node_name
def initialize(name, children=[])
@children = children
@node_name = name
end
def visit_all(&block)
visit &block
@children.each { |c| c.visit_all &block }
end
def visit(&block)
block.call self
end
end
t = Tree.new("Ruby", [Tree.new("Gem")])
t.visit_all { |t| puts "#{t.node_name}" }
Starting from that, this is what we want to be able to write:
Tree.new({ 'grandpa' => { 'dad' => { 'child 1' => {}, 'child 2' => {} }, 'uncle' => { 'child 3' => {}, 'child 4' => {} } } })
And here is my solution to it:
class Tree
attr_accessor :children, :node_name
def initialize(structure)
structure.each do
|key, value|
@node_name = key
@children = value.to_a.map { |e| Tree.new({ e[0] => e[1] }) }
end
end
def visit_all(&block)
visit &block
@children.each { |c| c.visit_all &block }
end
def visit(&block)
block.call self
end
end
t = Tree.new({ 'grandpa' => { 'dad' => { 'child 1' => {}, 'child 2' => {} }, 'uncle' => { 'child 3' => {}, 'child 4' => {} } } })
t.visit_all { |t| puts "#{t.node_name}" }
Write a simple grep that will print the lines of a file having any occurrences of a phrase anywhere in that line. Use Regular Expressions and include line numbers:
regex = Regexp.new('sit amet')
ln = 0
IO.foreach("TestGrep.txt") do |line|
ln = ln + 1
puts "#{ln}: #{line}" if regex.match(line)
end


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Include the library in the HEAD tag of your page:
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You can found some styles in style.css. It's not required, but usefull in most cases: setup color of sidebar, paddings, animation, some mistakes what strict eye will see.
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Credits
I found and use template from http://startbootstrap.com. All works were perform by them. I only simplified it, and made some cusmomizing for my tasks. Thanks.


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Created for
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by:
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Github
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Github
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Github
Kevin Ma
Github


 PLEASE MODIFY THE ORIGINAL SOURCE IN THE 'https://github.com/istio/api' REPO source_repo: https://github.com/istio/api title: Authorization Policy description: Configuration for access control on workloads. location: https://istio.io/docs/reference/config/security/authorization-policy.html layout: protoc-gen-docs generator: protoc-gen-docs schema: istio.security.v1beta1.AuthorizationPolicy weight: 20 aliases: [/zh/docs/reference/config/authorization/authorization-policy.html] number_of_entries: 7 ---
Istio Authorization Policy enables access control on workloads in the mesh.
For example, the following authorization policy applies to workloads matched with label selector “app: httpbin, version: v1”.
It allows requests from: - service account “cluster.local/ns/default/sa/sleep” or - namespace “test” to access the workload with: - “GET” method at paths of prefix “/info” or, - “POST” method at path “/data”. when the request has a valid JWT token issued by “https://accounts.google.com”.
Any other requests will be rejected.
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
name: httpbin
namespace: foo
spec:
selector:
matchLabels:
app: httpbin
version: v1
rules:
- from:
- source:
principals: ["cluster.local/ns/default/sa/sleep"]
- source:
namespaces: ["test"]
to:
- operation:
methods: ["GET"]
paths: ["/info*"]
- operation:
methods: ["POST"]
paths: ["/data"]
when:
- key: request.auth.claims[iss]
values: ["https://accounts.google.com"]
Access control is enabled on a workload if there is any authorization policies selecting the workload. When access control is enabled, the default behavior is deny (deny-by-default) which means requests to the workload will be rejected if the request is not allowed by any of the authorization policies selecting the workload.
Currently AuthorizationPolicy only supports “ALLOW” action. This means that if multiple authorization policies apply to the same workload, the effect is additive.
Authorization Policy scope (target) is determined by “metadata/namespace” and an optional “selector”. - “metadata/namespace” tells which namespace the policy applies. If set to root namespace, the policy applies to all namespaces in a mesh. - workload “selector” can be used to further restrict where a policy applies.
For example,
The following authorization policy applies to workloads containing label “app: httpbin” in namespace bar.
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
name: policy
namespace: bar
spec:
selector:
matchLabels:
app: httpbin
The following authorization policy applies to all workloads in namespace foo.
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
name: policy
namespace: foo
spec:
The following authorization policy applies to workloads containing label “version: v1” in all namespaces in the mesh. (Assuming the root namespace is configured to “istio-config”).
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
name: policy
namespace: istio-config
spec:
selector:
matchLabels:
version: v1
AuthorizationPolicy enables access control on workloads.
For example, the following authorization policy denies all requests to workloads in namespace foo.
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
name: deny-all
namespace: foo
spec:
The following authorization policy allows all requests to workloads in namespace foo.
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
name: allow-all
namespace: foo
spec:
rules:
- {}
Condition specifies additional required attributes.
Operation specifies the operations of a request.
Rule allows access from a list of sources to perform a list of operations when the condition is matched.
Any string field in the rule supports Exact, Prefix, Suffix and Presence match: - Exact match: “abc” will match on value “abc”. - Prefix match: “abc” will match on value “abc” and “abcd”. - Suffix match: “abc” will match on value “abc” and “xabc”. - Presence match: “*” will match when value is not empty.
From includes a list or sources.
To includes a list or operations.
Source specifies the source identities of a request.


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Information
This form can be used to remove domains from the HSTS preload list.
Removal Requirements
If a preloaded site sends a valid HSTS header without the preload
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Statistics from calls to run_solution().
More...
#include <yk_solution_api.hpp>
Statistics from calls to run_solution().
A throughput rate may be calculated by multiplying an amount-of-work-per-step quantity by the number of steps done and dividing by the number of seconds elapsed.
◆ get_num_elements()
| virtual idx_t yask::yk_stats::get_num_elements |
( |
| ) |
|
|
pure virtual |
Get the number of elements in the overall domain.
- Returns
- Product across all domain dimensions of the domain sizes across all ranks. Multiply this value by get_num_steps_done() to determine the number of points processed. Then, divide by get_elapsed_run_secs() to determine the throughput.
◆ get_num_steps_done()
| virtual idx_t yask::yk_stats::get_num_steps_done |
( |
| ) |
|
|
pure virtual |
Get the number of steps executed via run_solution().
- Returns
- A positive number, regardless of whether run_solution() steps were executed forward or backward.
◆ get_num_writes_done()
| virtual idx_t yask::yk_stats::get_num_writes_done |
( |
| ) |
|
|
pure virtual |
Get the number of elements written across all steps.
- Returns
- Number of elements written, summed over all output vars, steps executed, and ranks.
◆ get_est_fp_ops_done()
| virtual idx_t yask::yk_stats::get_est_fp_ops_done |
( |
| ) |
|
|
pure virtual |
Get the estimated number of floating-point operations executed across all steps.
- Returns
- Number of FP ops created by the stencil compiler, summed over all stencils, steps executed, and ranks. It may be slightly more or less than the actual number of FP ops executed by the CPU due to C++ compiler transformations, redundant calculations for temporal tiling, etc.
◆ get_elapsed_secs()
| virtual double yask::yk_stats::get_elapsed_secs |
( |
| ) |
|
|
pure virtual |
Get the number of seconds elapsed during calls to run_solution().
- Returns
- Only the time spent in run_solution(), not in any other code in your application between calls.
The documentation for this class was generated from the following file:


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{% extends "gui/base.html" %} {% block js_head %} {% endblock %} {% block content %}
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This map allows users to explore indicators of child opportunity across the United States, with different norming levels for national, state, and metro areas. Features include:
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Check it outAnother project undertaken for the talented folks at Hyperobjekt, this custom React.js component allows users to compare their student loan debt to that of various US demographics. It also allows users to explore how loan refinancing would affect their payoff timeline and overall payment on a loan.
Skills: React.js, HUGO, Golang, Bootstrap, Netlify
Check it outTeachingLab wanted to display recent tweets on their site. I wrote JavaScript and a nodejs Netlify Function to fetch the tweets through Twitter's oAuth API, render the tweets, and animate them.
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Check it outThis corporate client needed SCORM online learning content that would be responsive, WCAG A compliant, and easily translated into several langauges. They selected a subway map theme for content organization, and the content pages reflect this theme by portraying color-coded subway "paths" and subway stop "nodes". I developed several custom Adapt plugins in order to give the client the highly customized format they preferred. These Adapt plugin customizations include:
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This was my first project with the talented folks at Hyperobjekt. This site uses Bootstrap 4 for navigation and layout responsiveness. Content pages loop through custom data files stored outside of the HUGO content directory. Many content fields are editable using Netlify CMS.
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Check it outUser1st wanted to use a static site generator to create a documentation reference for their automated remediation tool and developer training programs. This site uses a modified version of the DocDock theme. I created a custom template for the rule documentation pages, and wrote a PHP script to convert CSVs of rule documentation into individual markdown files.
In subsequent updates to this site, I have added a Netlify CMS schema so that a11y criteria are editable via Netlify CMS. I have also added JSON custom content types to output all a11y standards, standards sorted by WCAG guideline, and standards sorted by tag. I have also retooled the navigation menu to sort all items by WCAG Guideline.
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Check it outLaurel needed a robust online promotion, scheduling, and marketplace solution. The theme Laurel had selected required a custom child theme for additional styling and course enrollment functionality. We did development in stages, using separate production and test environments to handle code pulls and site upgrades. Laurel now earns a significant passive income selling video courses with the WordPress CMS, combined with WooCommerce and LearnDash plugins.
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Check it outUser1st wanted an online learning environment for the delivery of accessible SCORM training modules. The content we produced needed to meet the exacting accessibility standards advised in the training they contained. We chose the Adapt framework, and when it came time to test the SCORM content for accessibility, I was able to use CSS and JavaScript to alter the Adapt theme and plugins in order to improve screen reader accessibility.
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Check it outMorel needed a simple web site to advertise her wellness service offerings and in-person traiings.
Skills: Squarespace, CSS, JavaScript
Check it outAmy needed a simple web site to advertise her consulting and analytics offerings. Amy came to me with a very particular aesthetic and image set in mind, and this site required extensive image editing, as well as some font set embedding, to make the site look just right despite the constraints of the Squarespace platform.
Skills: Squarespace, CSS, JavaScript
Check it outSumLogix came to me with a legacy Moodle site and several existing Moodle courses. Their existing WordPress/Moodle integration was no longer functioning, and their Moodle site was long outdated. I manually upgraded the Moodle database through several major versions, updated the WordPress plugins and theme, added a child theme for UX updates, and tested and configured PayPal and Stripe purchase workflows. This site accepts transactions in multiple currencies, using the WordPress Currency Switcher plugin and geolocation to provide the customer with the appropriate currency.
Skills: Moodle, WordPress, WooCommerce, Edwiser, PHP, CSS, JavaScript
Check it outWallaroo Labs needed updates to an existing blog using the Hugo static site generator. I updated the display of individual posts and post indexes. I also added a slideout panel for additional links.
Skills: Hugo, golang, CSS, JavaScript
Check it outI have made 13 contributions to Moodle core. MDL-57785 reduces the server load resulting from SCORM content access by eliminating a navigation menu refresh when the navigation menu is not shown in the display. MDL-60478 improves performance of the network connectivity check performed during SCORM sessions, increasing the interval at which checks were performed, increasing the request timeout value to prevent false positives, and reducing the default number of alerts shown to 1.
Skills: PHP, YUI, JavaScript, Grunt, git, Travis, SCORM
Check it out


THE WITCHES OF EASTWICK (Spoilers) A film review by Martin Maenza Copyright 1987 Martin Maenza
I saw THE WITCHES OF EASTWICK on its opening weekend, and I found it to be a highly interesting movie. I would recommend it to moviegoers--especially those who like their drama with a slight bit of comedy. I would not in the least place this film in a genre of horror films since it is not horror as in FRIDAY THE 13TH (you chose a part) and its like.
 Also starring in the film as the witches, if you will, are Cher, Michelle Pfeiffer (of LADYHAWKE and GREASE II fame), and Susan Sarandon. There acting is all quite good though I would not place it into Academy Award categories (although I would love to be proven wrong). The performance by another actor and actress--the owners of the town paper--are also quite good.
Nicholson, of course, seems almost natural in this role. He has that somewhat demonic quality about him (as shown in THE SHINING) as well as a sense of appeal. He seems so natural spouting his sexual intents to Cher and Sarandon. If I were to chose any actor to be the devil, I might very well have chosen him. Like Cher says in one scene, "I don't find you the least bit attractive, and you smell," right to Nicholson. I think it serves better that the Devil isn't a Bruce Willis, Don Johnson or Tom Selleck type. The Devil's charm should come from his deception and his silver tongue, not from a great body and a huge sex organ.
As a side note on sex, I notice they did not compromise any of the actresses by placing them in any nude scenes. I think this was highly tasteful as well as adding to the overall mystery of what sex with the Devil would actually turn into.  This is a movie for adults to enjoy as a movie without having pre-pubescent children being in the theatre spoiling it.
Eastwick is your basic New England village, a small community where church and school seem to be the center point. Its newspaper is still publishing only local news and minor gossip. It's quite a picturesque place. Yet during a speech (sermon) by the school's sometimes lecherous principal, a massive storm approaches and rains out the event. Later, it is suggested by the three divorced/widowed women (Cher & company) that they have caused the storm by thoughts of their own. Subconsciously, the women begin to talk of an ideal man, which prompts the arrival of Darrel, a mysterious out-of-towner who buys the old castle.
Soon each of the women have their own encounter with this devil, who manages to seduce all three. Further, they begin to carry on activities which the town folk highly frown upon. I particularly loved the effects done during the tennis game--simple yet highly effective for the scene.
Of course, once the women realize who they are dealing with and how much power he has, they decide to beat him at his own game. These scenes, as do some others, tend to be quite comic indeed. Yet I could also sense some form of gothic horror in the final confrontation scenes. I was surely glued to my seat.
I have not read the story by John Updike upon which the film was based, but I would like to. I found the story quite appealing and entertaining. Unlike some movies I have seen, this one was well worth seeing.
One final note: wasn't the stunt with the cherries both sickening and humorous at the same time? People at the showing I went to were both grossed out and laughing almost simultaneously.
Martin Maenza
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


For example, create a folder called SpryAssets in the root folder of your web site, and move the SprySlidingPanels.js file to it. The SprySlidingPanels.js file contains all of the information necessary for making the Sliding Panels widget interactive.

Make sure that the file path to the SprySlidingPanels.js file is correct. This path varies depending on where you’ve placed the file in your web site.
<link href="SpryAssets/SprySlidingPanels.css" rel="stylesheet" type="text/css" />
Make sure that the file path to the SprySlidingPanels.css file is correct. This path varies depending on where you’ve placed the file in your web site.

The preceding code adds four content panels to the widget. You can add unlimited panels.
The unique ID for each content panel is important because later you’ll use the IDs to create navigation for the widget.

 . . .

The new JavaScript operator initializes the SlidingPanels widget object, and transforms the div content with the ID of SlidingPanels1 from static HTML code into an interactive sliding panels object. The Spry.Widget.SlidingPanels method is a constructor in the Spry framework that creates accordion objects. The information necessary to initialize the object is contained in the SprySlidingPanels.js JavaScript library that you linked to at the beginning of this procedure.
Make sure that the ID of the widgets’s container div tag matches the ID parameter you specified in the Spry.Widgets.SlidingPanels method. Make sure that the -JavaScript call comes after the HTML code for the widget.
First | Previous | Next | Last
 . . .

In the preceding example, the onclick behaviors are behaviors that are built into the Sliding Panels widget. For example, when you assign the showNextPanel behavior to a link, that link always takes you to the next panel in your group of content panels. The syntax of the behavior is variableID.behavior. You created the variable ID in the constructor script tag that follows the HTML code for the widget. In the example, the variable is sp1, but it can be anything.
After you add some content to the content panels, the complete code might looks as follows:
 . . .  <link href="SprySlidingPanels.css" rel="stylesheet" type="text/css" />   . . . First | Previous | Next | Last

Panel 1

Lorem ipsum dolor sit amet, consectetur adipisicing elit.

Panel 2

Panel 2

Panel 3

Lorem ipsum dolor sit amet, consectetur adipisicing elit.

Panel 4

Panel 4


Samsung quickly releases an improved Galaxy Fold for China
by Jared PetersMeet the Samsung W20 5G, an incrementally improved Galaxy Fold set to release in China. It’s pretty strange for Samsung to launch a better model of their daring folding phone so soon, but it’s not quite the Galaxy Fold 2 that you might be expecting.
Small changes, better 5G
The W20 5G isn’t a fully new device, and it’s pretty much keeping the same design as the Galaxy Fold. It does, however, have a stronger, more reinforced frame, which should alleviate some of the things that caused the Galaxy Fold to be recalled in the first place.
It’s also a 5G phone that’s capable of utilizing China’s non-standard 5G networks, which keeps Samsung in a competitive position with Huawei going forward.
There are some internal bumps, too, but nothing major. The phone sports a Snapdragon 855+ CPU, plus 12GB of RAM and 512GB of internal storage. The battery is actually barely smaller than in the regular Galaxy Fold, but ideally the better CPU should offset that.
source: TechRadar


1Modules
Reusable elements that can be used across the site. So far this just includes buttons.
1.1Buttons
A majority of buttons in the site are built from the same base class.
Default styling
.primary
Indicate that the button is the primary feature of this form.
.remove
Indicate that the button will remove a feature, or other negative connotations.
:hover
Highlight the button when hovered.
:disabled
Make the button change appearance to reflect it being disabled.
:active
"Press" the button down when clicked.
Link Button <button class="button ">Button Element</button> <input type="button" class="button " value="input[type='button']"/>


Tentang Kami
Cemilan Wara-Wiri adalah sebuah startup yang berdiri pada tahun 2010 sampai dengan saat ini. startup kami bergerak dibidang penjualan makanan, dimana kepuasan konsumen adalah tujuan utama kami.
- #BisnisnyaAnakMuda
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HeyU - App Landing Page
HeyU - Single Page App Landing Page
HeyU is a single page App Landing website made with HTML, CSS, JavaScript and Bootstrap4. It was fun building the landing page.
Live Preview View on BehanceCUDA - Portfolio Website
CUDA - Single Page Portfolio Website
CUDA is a single page portfolio website with stunning sections, images and contents. This was my very first PSD To HTML Conversion.
Live Preview View on BehanceFitApp - App Landing Page Website
FitApp - App Landing Page Website
FitApp is a responsive single page fitness app landing page PSD template.
Live Preview View on BehanceCorona Kotha - COVID 19 Tracker
Corona Kotha - Track COVID-19 Over The World
Corona Kotha is a simple, smart, amazing COVID-19 Tracker dashboard type web application to track the realtime data of Coronavirus cases.
Corona Kotha v1.5.2 is the new version with amazing features and real-life updated data of over 195 countries.
Live Preview View on BehanceCopyCol - Copy The Color Code
CopyCol - Copy The Power of Colors & Gradients
CopyCol. or "Copy the Color" is built to simplify the web designer's works for building creative & eye-catching UI designs using amazing colors and gradients
Live Preview View on BehanceKORBO - To Do List Web App
KORBO - To Do List Web Application
KORBO is a very simple To-Do List web app built using Pure JavaScript. KORBO is built to list your works easily, which you need to be done. It will make your life super easy!
Live Preview View on BehanceTestimoni Konsumen
Mahamud Hasan
Founder & CEO of ZovoTeam Ltd.If Anyone ask me "who is Al Nahian?", I would never only tell him that, Al Nahian is a web developer. Because, as an entrepreneur, I need proper support, plans, rules & regulations for building my startup. Al Nahian is a person who never worked with us as a developer but he worked like a good adviser, solution maker, best supporter and good companion as well.
James Ross
Executive Director of Kirzo Ltd.No doubt that Al Nahian is extra-ordinary and multi-talented guy with vast knowledge and skills! I'm really happy and totally satisfied with his work. He has a good communication skill as well. Highly Recommended!
Charles D'costa
Lead Instructor of Norman InstituteThis was my very first experience with working someone from an Asian country Bangladesh He actually knows very well what to do and how to get satisfaction from the client.
Webbin Mabuse
CEO of Beijing Startups Inc.While looking for a simple web designer on google, I randomly clicked on Abdullah Al Nahian's portolio. I was literally impressed after visiting his portfolio and a few of his recent work. So I hired him to build my own agency website, and I'm really happy with the final result.
Billy Simon
Co-Founder of Simon Brothers Ltd.I never thought Al Nahian would be able to build an amazing website for my business like this. Nowadays, to run a digital business, you must need a super-fast, modern, interactive and responsive website. Al Nahian did this job for me to grow my business. Thank You!
Jeremey Arthur
CEO of Jeremy IT & BusinessSo, I came to know about Abdullah Al Nahian from his Behance profile. I was really impressed seeing his works that he have showcased on his portfolio. In the mean time, I was planning to start my new business, so I needed a good website. I hired him without any confusion and he made it! Gonna work with him again.
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Video: Luis Suarez scores brilliant free-kick in Uruguay clash with Argentina
by Ron CarneThe stars were out for Argentina’s friendly with Uruguay on Monday but Luis Suarez produced a moment of magic to steal the limelight.
Edinson Cavani had given his side the lead after 34 minutes, only to see Sergio Aguero level things up just after the hour mark.
SEE MORE: Video: Lionel Messi’s free-kick assists Sergio Aguero for Argentina vs Uruguay
However, it didn’t take long for Uruguay to regain the lead as just six minutes later, Suarez stepped up and produced a superb free-kick to put them 2-1 up, as seen in the video below.
The Barcelona forward got just the right pace and dip on it to give Argentina goalkeeper Esteban Andrada all sorts of problems between the posts, and he simply couldn’t keep it out.
With club teammate Lionel Messi so often taking set-pieces and delivering pretty regularly for the Catalan giants, it appears as though he could have some competition when they line up next time as Suarez will be itching to produce another beauty like this one…


public class Model
extends java.lang.Object
Also this package is wrong, we need min. 4 files: 1 Paths.java (just getters and setters), 2 ProcessBats.java, 3 WriteBats.java and Model.java
For scaling up performance..
| Constructor and Description |
|---|
Model()
Constructor from user input, instantiates
Paths class. |
| Modifier and Type | Method and Description |
|---|---|
void |
createCondaEnvironment()
This method runs create.bat
which create a conda environment from ..
|
void |
delTempFiles()
Delete .json and .bat temp files, and also put a new copy on /Bats, should rewrite it in just one for(int i=0;..
|
void |
flatPlot(java.lang.String[][] parameters) |
private java.lang.String |
isBaseEnvironment(java.lang.String name)
This method should be a lambda inside
writeConda() . its return the name of the conda environment to activate |
void |
prepareBats(java.lang.String pathPath)
This method writes custom lines on bats files by calling
writePyPath() and
writeConda() methods
from user input |
void |
read(java.lang.String[][] parameters)
This (and below) method should be place in a separate file, in a way that allow work on multithreading thing
|
void |
threedPlot(java.lang.String[][] parameters) |
void |
writeConda()
Deprecated.
There is no more need to add conda to the PATH
|
private void |
writePyPath()
This method writes "call python" lines on .bats, this method should
be "chopped", there are a lot of repetitive code in there
|
void |
writeVideo(java.lang.String[][] parameters) |
public Paths paths
public Model()
Paths
class.public void prepareBats(java.lang.String pathPath)
writePyPath()
and
writeConda()
methods
from user inputpathPath
- Represents anaconda installation pathprivate void writePyPath()
public void writeConda()
private java.lang.String isBaseEnvironment(java.lang.String name)
writeConda()
. its return the name of the conda environment to activatename
- File's name, we just need (base) environment in create.batpublic void createCondaEnvironment()
which create a conda environment from ..\resources\condaEnv\conda-env.txt A better way to implement this code could be calling the comun processBuilder(this.resourcesPath, "create.bat" + params) method
public void read(java.lang.String[][] parameters)
A better way to implement this code could be make multiples methods for params-logic and then all of them calling a single processBuilder(String params, String nameFile), yep
public void flatPlot(java.lang.String[][] parameters)
parameter
- json nameread(String[][])
public void threedPlot(java.lang.String[][] parameters)
parameters
- json nameread(String[][])
public void writeVideo(java.lang.String[][] parameters)
parameters
- Video path and json nameread(String[][])
public void delTempFiles()


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ELIZABETH TAYLOR
Web Developer - Graphic Artist - User Experience DesignerMy name is Elizabeth Taylor, and i'm a freshman studying Software Engeneering in Software University in beautiful Sofia, Bulgaria. I love to solve problems.Wether is finding the most elegant way to write a line of code, or figuring out which chord fits best into a progression, i love a challenge of finding a way and discovering solutions. Maybe that's love i love writing and the satisfaction that comes from finding just the right word; or why i study phsycology and rationallity in my spare time to figure out how people think.As long as there's a problem to solve or a challenge to puzzle over, it's bound to be something i love.
--> Wondering if i might be a good fit to your company? Check out my resume and my LinkedIn profile!


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All the code snippets on this page are live and interactive powered by the klipse plugin.
Zippers are a powerful abstraction for implementing arbitrary queries and transforms on immutable data structures and for step-by-step navigation and modification of data structures. This library implements a simple zipper designed for manipulating JSON data.
Playing with zippers in a REPL can be very instructive. First we require the libraries
import * as F from "fastener"
import * as R from "ramda"
and define a little helper using
reduce
to perform a sequence of
operations on a value:
var seq = (x, ...fs) => R.reduce((x, f) => f(x), x, fs)
Let's work with the following simple JSON object:
var data = {contents: [{language: "en", text: "Title"},
{language: "sv", text: "Rubrik"}]}
First we just create a zipper using F.toZipper
:
seq(F.toZipper(data))
As can be seen, the zipper is just a simple JSON object and the focus
is
the data
object that we gave to F.toZipper
. As long the data
structure being manipulated is JSON, you can serialize and deserialize zippers
as JSON. However, it is recommended that you use the zipper combinators to
operate on zippers rather than rely on their exact format.
Let's then move into the contents
property of the object using
F.downTo
:
seq(F.toZipper(data),
F.downTo('contents'))
As seen above, the focus
now has the contents
array. We can use
F.get
to extract the value under focus:
seq(F.toZipper(data),
F.downTo('contents'),
F.get)
Then we move into the first element of contents
using
F.downHead
:
seq(F.toZipper(data),
F.downTo('contents'),
F.downHead)
And continue into the first property of that which happens to be the language
:
seq(F.toZipper(data),
F.downTo('contents'),
F.downHead,
F.downHead)
And to the next property, title
, using F.right
:
seq(F.toZipper(data),
F.downTo('contents'),
F.downHead,
F.downHead,
F.right)
Let's then use F.modify
to modify the title
:
seq(F.toZipper(data),
F.downTo('contents'),
F.downHead,
F.downHead,
F.right,
F.modify(t => "The " + t))
When we now move outwards using F.up
we can see the changed title
become part of the data:
seq(F.toZipper(data),
F.downTo('contents'),
F.downHead,
F.downHead,
F.right,
F.modify(t => "The " + t),
F.up)
We can also just move back to the root and get the updated data structure using
F.fromZipper
:
seq(F.toZipper(data),
F.downTo('contents'),
F.downHead,
F.downHead,
F.right,
F.modify(t => "The " + t),
F.fromZipper)
The above hopefully helped to understand how zippers work. However, it is important to realize that one typically does not use zipper combinators to create such a specific sequence of operations. One rather uses the zipper combinators to create new combinators that perform more complex operations directly.
Let's first define a zipper combinator that, given a zipper focused on an array, tries to focus on an element inside the array that satisfies a given predicate:
var find = R.curry((p, z) => F.downTo(R.findIndex(p, F.get(z)), z))
Like all the basic zipper movement combinators, F.downTo
is a
partial function that returns undefined
in case the index is out of bounds.
Let's define a simple function to compose partial functions:
var pipePartial = (...fs) => z => {
for (let i=0; z !== undefined && i<fs.length; ++i)
z = fs[i](z)
return z
}
We can now compose a zipper combinator that, given a zipper focused on an object
like data
, tries to focus on the text
element of an object with the given
language
inside the contents
:
var textIn = language => pipePartial(
F.downTo('contents'),
find(R.whereEq({language})),
F.downTo('text'))
Now we can say:
seq(data,
F.toZipper,
textIn("en"),
F.modify(x => 'The ' + x),
F.fromZipper)
Of course, this just scratches the surface. Zippers are powerful enough to implement arbitrary transforms on data structures. This can also make them more difficult to compose and reason about than more limited approaches such as lenses.
The zipper combinators are available as named exports. Typically one just imports the library as:
import * as F from "fastener"
In the following examples we will make use of the function
var seq = (x, ...fs) => R.reduce((x, f) => f(x), x, fs)
written using reduce
that allows one
to express a sequence of operations to perform starting from a given value.
F.toZipper(json) ~> zipper
F.toZipper(json)
creates a new zipper that is focused on the root of the given
JSON object.
For example:
seq(F.toZipper([1,2,3]),
F.downHead,
F.modify(x => x + 1),
F.fromZipper)
F.fromZipper(zipper) ~> json
F.fromZipper(zipper)
extracts the modified JSON object from the given zipper.
For example:
seq(F.toZipper([1,2,3]),
F.downHead,
F.modify(x => x + 1),
F.fromZipper)
Focus combinators allow one to inspect and modify the element that a zipper is focused on.
F.get(zipper) ~> json
F.get(zipper)
returns the element that the zipper is focused on.
For example:
seq(F.toZipper(1), F.get)
seq(F.toZipper(["a","b","c"]),
F.downTo(2),
F.get)
F.modify(json => json, zipper) ~> zipper
F.modify(fn, zipper)
is equivalent to F.set(fn(F.get(zipper)), zipper)
and
replaces the element that the zipper is focused on with the value returned by
the given function for the element.
For example:
seq(F.toZipper(["a","b","c"]),
F.downTo(2),
F.modify(x => x + x),
F.fromZipper)
F.set(json, zipper) ~> zipper
F.set(json, zipper)
replaces the element that the zipper is focused on with
the given value.
For example:
seq(F.toZipper(["a","b","c"]),
F.downTo(1),
F.set('lol'),
F.fromZipper)
Movement combinators can be applied to any zipper, but they return undefined
in case of illegal moves.
Parent-Child movement is moving the focus between a parent object or array and a child element of said parent.
F.downHead(zipper) ~> maybeZipper
F.downHead(zipper)
moves the focus to the leftmost element of the object or
array that the zipper is focused on.
F.downLast(zipper) ~> maybeZipper
F.downLast(zipper)
moves the focus to the rightmost element of the object or
array that the zipper is focused on.
F.downTo(key, zipper) ~> maybeZipper
F.downTo(key, zipper)
moves the focus to the specified object property or
array index of the object or array that the zipper is focused on.
F.keyOf(zipper) ~> maybeKey
F.keyOf(zipper)
returns the object property name or the array index that the
zipper is currently focused on.
F.up(zipper) ~> maybeZipper
F.up(zipper)
moves the focus from an array element or object property to the
containing array or object.
Path movement is moving the focus along a path from a parent object or array to a nested child element.
F.downPath([...keys], zipper) ~> maybeZipper
F.downPath(path, zipper)
moves the focus along the specified path of keys.
F.pathOf(zipper) ~> [...keys]
F.pathOf(zipper)
returns the path from the root to the current element focused
on by the zipper.
Sibling movement is moving the focus between the elements of an array or an object.
F.head(zipper) ~> maybeZipper
F.head(zipper)
moves the focus to the leftmost sibling of the current focus.
F.last(zipper) ~> maybeZipper
F.last(zipper)
moves the focus to the rightmost sibling of the current focus.
F.left(zipper) ~> maybeZipper
F.left(zipper)
moves the focus to the element on the left of the current focus.
F.right(zipper) ~> maybeZipper
F.right(zipper)
moves the focus to the element on the right of the current focus.
F.queryMove(zipper => maybeZipper, value, zipper => value, zipper) ~> value
F.queryMove(move, default, fn, zipper)
applies the given function fn
to the
zipper focused on after the given movement and returns the result unless the
move was illegal in which case the given default value is returned instead.
For example:
seq(F.toZipper({x: 1}),
F.queryMove(F.downTo('y'), false, () => true))
seq(F.toZipper({y: 1}),
F.queryMove(F.downTo('y'), false, () => true))
F.transformMove(move, zipper => zipper, zipper) ~> zipper
F.transformMove(move, fn, zipper)
applies the given function to the zipper
focused on after the given movement. The movement move
must be one of
F.downHead
, F.downLast
,
F.downTo(key)
, F.left
, F.right
, or
F.up
. The function fn
must the return a zipper focused on the same
element that it was given. Then the focus is moved back to the element that the
zipper was originally focused on. Nothing is done in case of an illegal move.
For example:
seq(F.toZipper({y: 1}),
F.transformMove(F.downTo('y'), F.modify(x => x + 1)),
F.fromZipper)
seq(F.toZipper({x: 1}),
F.transformMove(F.downTo('y'), F.modify(x => x + 1)),
F.fromZipper)
F.everywhere(json => json, zipper) ~> zipper
F.everywhere(fn, zipper)
performs a transform of the focused element by
modifying each possible focus of the element with a bottom-up traversal.
For example:
seq(F.toZipper({foo: 1,
bar: [{lol: "bal", example: 2}]}),
F.everywhere(x => typeof x === "number" ? x + 1 : x),
F.fromZipper)
While the implementation is very different, the choice of combinators is based on Michael D. Adams' paper Scrap Your Zippers.
document.querySelector('.loading-message').className = "loading-hidden";
accelerate_klipse();


Kollam is where the world famous network of waterways begins. It is from here that a 130 km long chain of interlinked canals and lakes wind along Kerala. Lauded by Marco Polo and Ibn Batuta as the trade capital of the old world, Kollam is home to flourishing cashew processing and fisheries industries. The district, one of the most industrialized of the state, produces and processes products as diverse as coir, chemicals, ceramics, minerals and sea food.
Kollam or Quilon, an old sea port town on the Arabian coast, stands on the Ashtamudi lake. The district of Kollam is a veritable Kerala in miniature, gifted with unique features such as sea, lakes, plains, mountains, rivers, streams, backwaters, forests, and vast green fields.
Thirty percent of this district is covered by the renowned Asthamudi Lake. The eight hour boat trip between Kollam and Allappuzha is the best way to explore the backwaters. The district also has some interesting historic remnants and a number of temples built in the traditional ornate architectural style.
As its name suggests, the Ashtamudi Lake is the congregation of eight backwaters (Ashta= Eight, Mudi= Branch). It is known as the gateway to the well known Kerala Backwaters. It is also a popular destination for houseboat cruises. The peaceful environment coupled with the striking beauty of the place is sure to take any one’s breath away.
Situated on the northern backwaters of Kollam, Karunagappally is the place where the ‘kettuvalloms’ better known as the houseboats, are made. A boat building and repairing centre, it is also the best place to see coir being made.
Amritapuri, earlier known as Vallikavu, is the birth place of the eminent spiritual guru, Matha Amritanandamayi. The ashram built in a five acre plot holds a township that includes a post office, bank and library.
This temple is one of its kinds because it neither has a main shrine nor an idol to be worshipped. This temple is dedicated to the ‘Para Brahma’, the supreme principle. Ochirakali, is the temple’s annual festival that honors the big battle between the Kayamkulam and Chempakasseri Kings.
This is a temple dedicated to lord Ayyappa. The monkeys in the surrounding woods are respected by the devotees as they were once believed to be the loyal followers of Dharmasastha, the ruling deity. The ten day annual festival celebrated by the temple includes the colourful Kettukazhcha parade and an elephant procession.
Named after the British Resident, Colonel Munroe, of erstwhile Travancore, the Munroe Island is a palm covered isle on the backwaters of Kollam. Several tools of the Stone Age and megaliths discovered here, speak volumes about the antiquity of this island.
Thangasseri was once a trading hub that used gold as currency. This beautiful settlement has a history dating back to the 14th century. A 144 feet lighthouse, built in 1519 is a monument worth seeing. The village celebrated its 500th anniversary in 1999.
Built between 1811 and 1819, during the reign of Gauri Parvathi Bai, this palace was the residence of the erstwhile Maharaja during his visits to Kollam. The palace overlooks the Ashtamudi Lake and is best viewed from the lake itself.
Jetayu Para, a huge rock, is another attraction in Kollam district. The name comes from the epic Ramayana. It is believed that Jatayu, the giant bird in the epic, fell after failing in its attempt to spot Ravana from taking Sita away. It's an ideal destination for rock climbing for those who love adventure.


Menu
Appetizers |
|
|---|---|
| Chicken Egg Rolls (1) | $0.99 |
| Vegetable Egg Rolls (1) | $0.89 |
| Crab Rangoon (8) | $2.95 |
| Chicken Wings (6) | $3.95 |
| Gyoza (Vegetable) (8) | $2.95 |
| Thai Chicken Skewers (4) | $4.95 |
| Asian BBQ Spareribs (4) | $4.95 |
| Fried / Steamed Pork Dumplings (6) | $4.95 |
| Siu Mai (6) | $3.95 |
| Vietnamese Summer Rolls (4) | $3.95 - $5.95 |
Soups |
Small/Large |
| Wonton | $1.95 / $3.95 |
| Egg Drop | $1.95 / $3.95 |
| Hot and Sour | $1.95 / $3.95 |
| Seafood Tofu | $2.95 / $5.95 |
| Tom Yum | $2.95 / $5.95 |
| Miso | $2.95 / $5.95 |
Salads |
Small/Large |
| Seaweed Salad | $4.95 / $8.95 |
| Chicken Salad | $3.95 / $6.95 |
| Seafood Salad | $4.95 / $8.95 |
Rice/Noodles |
|
| Fried Rice
Stir fried with eggs, carrots, peas, and scallion.
|
$6.95 - $8.95 |
| Thai Pineapple Fried Rice
Stir fried with pineapple, raisins, onion and tomatoes.
|
$6.95 - $8.95 |
| Mei Fun
Thin rice noodles stir fried with eggs, scallion, cabbage, carrots, and bean sprouts.
|
$6.95 - $8.95 |
| Lo Mein
Soft egg noodles stir fried with onions, carrots, napa cabbage, scallions and bean sprouts.
|
$6.95 - $8.95 |
| Chow Mein
Pan fried crispy egg noodles served with mixed vegetables in a brown sauce.
|
$6.95 - $8.95 |
| Pad Thai
Traditional Thai rice noodles stir fried with bean sprouts, ground peanuts and dried tofu.
|
$6.95 - $8.95 |
Vegetarian |
|
| Sauteed String Beans | $6.95 |
| Steam Vegetable Medley | $6.95 |
| Braised Bean Curd | $6.95 |
| Shanghai Bok Choy | $6.95 |
| Gourmet Vegetable | $6.95 |
| Sautéed Broccoli | $6.95 |
| Sichuan Tofu | $6.95 |
Chef Specialties |
|
| Happy Family
Shrimp, crabmeat, roast pork, chicken, and beef blended with a selection of vegetables in a brown sauce.
|
$8.95 |
| Coral Shrimp
Lightly battered jumbo shrimp stir-fried in our chef special sweet and spicy sauce.
|
$10.95 |
| General Tso's Chicken
Deep fried to crispy, then sautéed with slightly sweet and tangy spicy sauce.
|
$8.95 |
| Honey Walnut Shrimp
Lightly breaded shrimp stir fried in a sweet mayo home-style sauce.
|
$9.95 |
| Salt and Pepper Prawns
Crispy whole prawns tossed in Asian style salt and pepper seasoning.
|
$9.95 |
| Sesame Seed Chicken
Lightly battered sliced chicken breast coated with a honey flavored sesame sauce.
|
$8.95 |
| Mussels in Black Bean Sauce
New Zealand half shell mussels coated with our chef special black bean sauce.
|
$9.95 |
| Salt and Pepper Calamari
Lightly battered calamari tossed in Asian style salt and pepper seasoning.
|
$8.95 |
| Mongolian Beef
Stir fried sliced beef with onions, scallion and bamboo shoots in a spicy soy flavor.
|
$7.95 |
| Shrimp with Lobster Sasuce
Jumbo shrimp stir-fried with slices of water chestnut, peas and carrots in a white egg sauce.
|
$9.95 |
| Dragon and Phoenix
Two dishes in one. Half General Tso’s chicken, the other half Hunan shrimp.
|
$10.95 |
| Moo Goo Gai Pan
Sliced chicken breast stir fried with snow peas, carrots, mushrooms, and water chestnuts in a white sauce.
|
$7.95 |
| Sizzling Seafood Deluxe
A seafood combination of shrimp, scallop, crabmeat, and vegetables served over crispy rice on a hot plate.
|
$9.95 |
| Orange Chicken
Golden battered chicken deep fried and coated with our sweet and tangy orange flavored sauce.
|
$8.95 |
| Sweet and Sour
Choice of deep fried chicken, pork, or shrimp garnished with chunks of pineapple, bell pepper, carrots, and cherries. Served with sweet and sour sauce on the side.
|
$6.95 - $8.95 |
Classic Stir Fry |
|
| Kung Pao
Diced mix vegetables in a sweet spicy sauce topped with peanuts.
|
$6.95 - $8.95 |
| Black Bean Sauce
Onions, bell peppers, carrots, and zucchini in a savory black bean sauce.
|
$6.95 - $8.95 |
| Garlic Sauce
Onions, carrots, bamboo shoots, water chestnuts and scallion in our spicy garlic sauce.
|
$6.95 - $8.95 |
| Mix Vegetables
Cabbage, broccoli, carrots, snow peas, water chestnuts, bamboo shoots, baby corn, zucchini, and mushrooms, in our classic brown sauce.
|
$6.95 - $8.95 |
| Sichuan
Shredded celery, carrots and spring onions in a spicy brown sauce.
|
$6.95 - $8.95 |
| Hunan
Broccoli, snow peas, mushrooms, bell peppers, and baby corn in a spicy white sauce.
|
$6.95 - $8.95 |
| Snow Peas
Sauteed with snow peas and water chestnuts in a light white sauce.
|
$6.95 - $8.95 |
| Broccoli
Traditional stir fry with broccoli, carrots and bamboo shoots in our classic brown sauce.
|
$6.95 - $8.95 |
Nigiri |
|
| Maguro Nigiri
Tuna (3 pieces)
|
$3.95 |
| Sake Nigiri
Salmon (3 pieces)
|
$3.95 |
| Tako Nigiri
Octopus (3 pieces)
|
$3.95 |
| Tamago Nigiri
Egg (3 pieces)
|
$3.95 |
| Inari Nigiri
Tofu (3 pieces)
|
$2.95 |
| Kani Nigiri
Crabstick (3 pieces)
|
$2.95 |
| Unagi Nigiri
Eel (3 pieces)
|
$3.95 |
| Saba Nigiri
Mackerel (3 pieces)
|
$3.95 |
| Ebi Nigiri
Shrimp (3 pieces)
|
$3.95 |
| Izumi Dai Nigiri
Tilapia (3 pieces)
|
$3.95 |
| Yellowtail Nigiri
Hamachi (3 pieces)
|
$3.95 |
Sushi |
|
| California Roll | $3.95 |
| Philadelphia Roll | $3.95 |
| Boston Roll | $4.95 |
| Shrimp Tempura Roll | $4.95 |
| Crabmeat Cream Cheese Roll | $3.95 |
| Spicy Salmon Roll | $4.95 |
| Spicy Tuna Roll | $4.95 |
| Tuna Roll | $4.95 |
| Salmon Roll | $4.95 |
| Alaska Roll | $3.95 |
| Eel Avocado Roll | $4.95 |
| Cucumber Roll | $3.95 |
| Vegetable Roll | $3.95 |
Chef Specialty Rolls |
|
| Spider Roll
Tempura soft-shelled crab, avocado and cucumber.
|
$8.95 |
| Dragon Roll
California roll inside, avocado, eel and fish roe on top.
|
$8.95 |
| Rainbow Roll
California roll inside, assorted raw fish on top.
|
$9.95 |
| Dynamite Roll
Spicy salmon, avocado inside, spicy tuna seaweed salad outside.
|
$8.95 |
| Godzilla Roll
Deep fried spicy tuna, avocado with scallion, tobiko and spicy sauce.
|
$9.95 |
| Redwood Roll
Shrimp tempura with spicy tuna on top.
|
$8.95 |
| Mega Three Roll
Salmon, tuna, yellow tail cucumber inside smelt eggs on top.
|
$8.95 |
| California Deluxe Roll
California roll with grilled water eel on top.
|
$7.95 |
| Caterpillar Roll
Grilled freshwater eel and cucumber slices with an outer layer of avocado.
|
$7.95 |
| Rock N' Roll
Tuna, salmon, and cucumber topped with avocado.
|
$7.95 |
| Fire Dragon Roll
California roll topped with spicy tuna.
|
$7.95 |
| Tuna Supreme Roll
Spicy tuna topped with avocado.
|
$7.95 |
| Salmon Supreme Roll
Spicy salmon topped with avocado.
|
$7.95 |
Dessert |
|
| Sesame Balls (10 Pieces) | $3.95 |
| Butterfly Candy (10 Pieces) | $3.95 |
| Donuts (6 Pieces) | $3.95 |
| Peach Bun (6 Pieces) | $3.95 |
Beverages |
|
| Coffee | $1.95 |
| Sweet / Unsweetened Iced Tea | $1.95 |
| Soft Drinks | $1.95 |
| Hot Jasmine Tea | $1.95 |
| Green Tea | $1.95 |


Upgrading to a new version of the TDS can be a daunting task, especially when trying to figure out if your data collections are still accessible as your users expect. Perhaps one of the best "tests" a TDS administrator can do, although certainly not 100% complete, is to replay old user requests against a new, parallel test server to assess any issues. Note that the overhead of running a parallel test instance of Tomcat should be quite small, especially if the server is restricted to internal users only.
Replaying Requests
ToolsUI.jar contains a tool that can be used from the command line to replay user requests from one server against another server. In order to use this tool, you or your sever admin must configure Tomcat access logs to use the "combined plus response time" format (see here for more informaion).
Obtain a sample of user requests
The first step in replaying user requests against a test server is to obtain a sample of the user request logs. The access logs are contained in the ${TOMCAT_HOME}/logs
directory and have the output format of
<IP_ADDRESS> - - [09/Feb/2016:14:55:34 -0700] "GET /thredds/catalog.html HTTP/1.1" 200 3346 "-" "Brave/0.7.12" 1
There are a number of ways one can obtain these files:
-
scp the files directly from the web server
-
Download the files via the admin/debug page of the TDS using your web browser (requires that remote management is enabled)
-
Use the TdsMonitor tool (again, requires that remote management is enabled)
Once the Tomcat access logs you wish to replay have been downloaded, place them in a flat directory (no subdirectories).
Prepare the test server
To prepare the test server, make sure all access logs have been removed prior to replaying any logs.
Run the ReplayTdsLogs tool
Make sure that you know the path to ToolsUI.jar and execute the following command to replay the subset of Tomcat access logs against an upgraded server:
java -classpath <path to toolsUI.jar> thredds.logs.ReplayTdsLogs <new server address> <path to Tomcat access logs to use>
For example, to test a new server (say, http://testmytds.me.org) using logs that live in a directory called "old_logs", where directory structure looks like the following:
<current directory>
ToolsUI.jar
old_logs/
access.2016-02-05.log
access.2016-02-06.log
access.2016-02-07.log
the following could be used, as executed from <current directory>:
java -classpath toolsUI.jar thredds.logs.ReplayTdsLogs http://testmytds.me.org old_logs/
Follow the progress and allow the tool to complete.
Examine the logs on the test server
The final step is to examine the logs on the test server. This includes examining the newly created access logs for any issues (i.e. response codes of 404s, 500s, etc. that were not in the initial access logs used for testing), as well as looking for issues within the TDS logs. For more information on the various Tomcat and TDS logs, please see our logging tutorial page.
If you encounter errors with an http status code of 500 that you believe are valid requests, please submit a bug report on our github issue tracker.


infocmp - compare or print out terminfo descriptions
infocmp [-1CDEFGIKLTUVWcdegilnpqrtux]
[-v n] [-s d| i| l| c] [-Q
n] [-R subset]
[-w width] [-A directory]
[-B directory]
[termname...]
infocmp can be used to compare a binary terminfo entry with other
terminfo entries, rewrite a terminfo description to take advantage of
the use= terminfo field, or print out a terminfo description
from the binary file (term) in a variety of formats. In all cases, the
boolean fields will be printed first, followed by the numeric fields, followed
by the string fields.
If no options are specified and zero or one termnames are specified, the
-I option will be assumed. If more than one termname is
specified, the -d option will be assumed.
infocmp compares the terminfo description of the first terminal
termname with each of the descriptions given by the entries for the
other terminal's termnames. If a capability is defined for only one of
the terminals, the value returned depends on the type of the capability:
- F for missing boolean variables
- NULL for missing integer or string variables
Use the -q option to show the distinction between
absent and cancelled capabilities.
These options produce a list which you can use to compare two or
more terminal descriptions:
- -d
- produces a list of each capability that is different between two
entries. Each item in the list shows “:” after the
capability name, followed by the capability values, separated by a
comma.
- -c
- produces a list of each capability that is common between two or
more entries. Missing capabilities are ignored. Each item in the list
shows “=” after the capability name, followed by the
capability value.
- The -u option provides a related output, showing the first terminal
description rewritten to use the second as a building block via the
“use=” clause.
- -n
- produces a list of each capability that is in none of the given
entries. Each item in the list shows “!” before the
capability name.
- Normally only the conventional capabilities are shown. Use the -x
option to add the BSD-compatibility capabilities (names prefixed with
“OT”).
- If no termnames are given, infocmp uses the environment
variable TERM for each of the termnames.
The -I, -L, and -C options will produce a source listing
for each terminal named.
| -I |
use the terminfo names |
| -L |
use the long C variable name listed in <term.h> |
| -C |
use the termcap names |
| -r |
when using -C, put out all capabilities in termcap
form |
| -K |
modifies the -C option, improving BSD-compatibility. |
If no termnames are given, the environment variable
TERM will be used for the terminal name.
The source produced by the -C option may be used directly
as a termcap entry, but not all parameterized strings can be changed
to the termcap format. infocmp will attempt to convert most of
the parameterized information, and anything not converted will be plainly
marked in the output and commented out. These should be edited by hand.
For best results when converting to termcap format, you
should use both -C and -r. Normally a termcap description is
limited to 1023 bytes. infocmp trims away less essential parts to
make it fit. If you are converting to one of the (rare) termcap
implementations which accept an unlimited size of termcap, you may want to
add the -T option. More often however, you must help the termcap
implementation, and trim excess whitespace (use the -0 option for
that).
All padding information for strings will be collected together and
placed at the beginning of the string where termcap expects it.
Mandatory padding (padding information with a trailing “/”)
will become optional.
All termcap variables no longer supported by
terminfo, but which are derivable from other terminfo
variables, will be output. Not all terminfo capabilities will be
translated; only those variables which were part of termcap will
normally be output. Specifying the -r option will take off this
restriction, allowing all capabilities to be output in termcap form.
Normally you would use both the -C and -r options. The actual
format used incorporates some improvements for escaped characters from
terminfo format. For a stricter BSD-compatible translation, use the
-K option rather than -C.
Note that because padding is collected to the beginning of the
capability, not all capabilities are output. Mandatory padding is not
supported. Because termcap strings are not as flexible, it is not
always possible to convert a terminfo string capability into an
equivalent termcap format. A subsequent conversion of the
termcap file back into terminfo format will not necessarily
reproduce the original terminfo source.
Some common terminfo parameter sequences, their
termcap equivalents, and some terminal types which commonly have such
sequences, are:
| terminfo |
termcap |
Representative Terminals |
| %p1%c |
%. |
adm |
| %p1%d |
%d |
hp, ANSI standard, vt100 |
| %p1%'x'%+%c |
%+x |
concept |
| %i |
%iq |
ANSI standard, vt100 |
| %p1%?%'x'%>%t%p1%'y'%+%; |
%>xy |
concept |
| %p2 is printed before %p1 |
%r |
hp |
The -u option produces a terminfo source description of the first
terminal termname which is relative to the sum of the descriptions
given by the entries for the other terminals termnames. It does this by
analyzing the differences between the first termname and the other
termnames and producing a description with use= fields for the
other terminals. In this manner, it is possible to retrofit generic terminfo
entries into a terminal's description. Or, if two similar terminals exist, but
were coded at different times or by different people so that each description
is a full description, using infocmp will show what can be done to
change one description to be relative to the other.
A capability will get printed with an at-sign (@) if it no longer
exists in the first termname, but one of the other termname
entries contains a value for it. A capability's value gets printed if the
value in the first termname is not found in any of the other
termname entries, or if the first of the other termname
entries that has this capability gives a different value for the capability
than that in the first termname.
The order of the other termname entries is significant.
Since the terminfo compiler tic does a left-to-right scan of the
capabilities, specifying two use= entries that contain differing
entries for the same capabilities will produce different results depending
on the order that the entries are given in. infocmp will flag any
such inconsistencies between the other termname entries as they are
found.
Alternatively, specifying a capability after a use=
entry that contains that capability will cause the second specification to
be ignored. Using infocmp to recreate a description can be a useful
check to make sure that everything was specified correctly in the original
source description.
Another error that does not cause incorrect compiled files, but
will slow down the compilation time, is specifying extra use= fields
that are superfluous. infocmp will flag any other termname
use= fields that were not needed.
Like other ncurses utilities, infocmp looks for the terminal
descriptions in several places. You can use the TERMINFO and
TERMINFO_DIRS environment variables to override the compiled-in default
list of places to search (see curses(3X) for details).
You can also use the options -A and -B to override
the list of places to search when comparing terminal descriptions:
- The -A option sets the location for the first termname
- The -B option sets the location for the other
termnames.
Using these options, it is possible to compare descriptions for a
terminal with the same name located in two different databases. For
instance, you can use this feature for comparing descriptions for the same
terminal created by different people.
- -0
- causes the fields to be printed on one line, without wrapping.
- -1
- causes the fields to be printed out one to a line. Otherwise, the fields
will be printed several to a line to a maximum width of 60
characters.
- -a
- tells infocmp to retain commented-out capabilities rather than
discarding them. Capabilities are commented by prefixing them with a
period.
- -D
- tells infocmp to print the database locations that it knows about,
and exit.
- -E
- Dump the capabilities of the given terminal as tables, needed in the C
initializer for a TERMTYPE structure (the terminal capability structure in
the <term.h>). This option is useful for preparing versions
of the curses library hardwired for a given terminal type. The tables are
all declared static, and are named according to the type and the name of
the corresponding terminal entry.
Before ncurses 5.0, the split between the -e and
-E options was not needed; but support for extended names
required making the arrays of terminal capabilities separate from the
TERMTYPE structure.
- -e
- Dump the capabilities of the given terminal as a C initializer for a
TERMTYPE structure (the terminal capability structure in the
<term.h>). This option is useful for preparing versions of
the curses library hardwired for a given terminal type.
- -F
- compare terminfo files. This assumes that two following arguments are
filenames. The files are searched for pairwise matches between entries,
with two entries considered to match if any of their names do. The report
printed to standard output lists entries with no matches in the other
file, and entries with more than one match. For entries with exactly one
match it includes a difference report. Normally, to reduce the volume of
the report, use references are not resolved before looking for
differences, but resolution can be forced by also specifying
-r.
- -f
- Display complex terminfo strings which contain if/then/else/endif
expressions indented for readability.
- -G
- Display constant literals in decimal form rather than their character
equivalents.
- -g
- Display constant character literals in quoted form rather than their
decimal equivalents.
- -i
- Analyze the initialization (is1, is2, is3), and reset
(rs1, rs2, rs3), strings in the entry, as well as
those used for starting/stopping cursor-positioning mode (smcup,
rmcup) as well as starting/stopping keymap mode (smkx,
rmkx).
- For each string, the code tries to analyze it into actions in terms of the
other capabilities in the entry, certain X3.64/ISO 6429/ECMA-48
capabilities, and certain DEC VT-series private modes (the set of
recognized special sequences has been selected for completeness over the
existing terminfo database). Each report line consists of the capability
name, followed by a colon and space, followed by a printable expansion of
the capability string with sections matching recognized actions translated
into {}-bracketed descriptions.
- Here is a list of the DEC/ANSI special sequences recognized:
| Action |
Meaning |
| RIS |
full reset |
| SC |
save cursor |
| RC |
restore cursor |
| LL |
home-down |
| RSR |
reset scroll region |
| DECSTR |
soft reset (VT320) |
| S7C1T |
7-bit controls (VT220) |
| ISO DEC G0 |
enable DEC graphics for G0 |
| ISO UK G0 |
enable UK chars for G0 |
| ISO US G0 |
enable US chars for G0 |
| ISO DEC G1 |
enable DEC graphics for G1 |
| ISO UK G1 |
enable UK chars for G1 |
| ISO US G1 |
enable US chars for G1 |
| DECPAM |
application keypad mode |
| DECPNM |
normal keypad mode |
| DECANSI |
enter ANSI mode |
| ECMA[+-]AM |
keyboard action mode |
| ECMA[+-]IRM |
insert replace mode |
| ECMA[+-]SRM |
send receive mode |
| ECMA[+-]LNM |
linefeed mode |
| DEC[+-]CKM |
application cursor keys |
| DEC[+-]ANM |
set VT52 mode |
| DEC[+-]COLM |
132-column mode |
| DEC[+-]SCLM |
smooth scroll |
| DEC[+-]SCNM |
reverse video mode |
| DEC[+-]OM |
origin mode |
| DEC[+-]AWM |
wraparound mode |
| DEC[+-]ARM |
auto-repeat mode |
It also recognizes a SGR action corresponding to ANSI/ISO
6429/ECMA Set Graphics Rendition, with the values NORMAL, BOLD,
UNDERLINE, BLINK, and REVERSE. All but NORMAL may be prefixed with
- “+” (turn on) or
- “-” (turn off).
- An SGR0 designates an empty highlight sequence (equivalent to
{SGR:NORMAL}).
- -l
- Set output format to terminfo.
- -p
- Ignore padding specifications when comparing strings.
- -Q n
- Rather than show source in terminfo (text) format, print the compiled
(binary) format in hexadecimal or base64 form, depending on the option's
value:
- 1
- hexadecimal
- 2
- base64
- 3
- hexadecimal and base64
- For example, this prints the compiled terminfo value as a string which
could be assigned to the TERMINFO environment variable:
infocmp -0 -q -Q2
- -q
- This makes the output a little shorter:
- Make the comparison listing shorter by omitting subheadings, and using
“-” for absent capabilities, “@” for canceled
rather than “NULL”.
- However, show differences between absent and cancelled capabilities.
- Omit the “Reconstructed from” comment for source
listings.
- -Rsubset
- Restrict output to a given subset. This option is for use with archaic
versions of terminfo like those on SVr1, Ultrix, or HP/UX that do not
support the full set of SVR4/XSI Curses terminfo; and variants such as AIX
that have their own extensions incompatible with SVr4/XSI.
- Available terminfo subsets are “SVr1”,
“Ultrix”, “HP”, and “AIX”; see
terminfo(5) for details.
- You can also choose the subset “BSD” which selects only
capabilities with termcap equivalents recognized by 4.4BSD. The -C
option sets the “BSD” subset as a side-effect.
- If you select any other value for -R, it is the same as no subset,
i.e., all capabilities are used. The -I option likewise selects no
subset as a side-effect.
- -s [d|i|l|c]
- The -s option sorts the fields within each type according to the
argument below:
- d
- leave fields in the order that they are stored in the terminfo
database.
- i
- sort by terminfo name.
- l
- sort by the long C variable name.
- c
- sort by the termcap name.
- If the -s option is not given, the fields printed out will be
sorted alphabetically by the terminfo name within each type, except
in the case of the -C or the -L options, which cause the
sorting to be done by the termcap name or the long C variable name,
respectively.
- -T
- eliminates size-restrictions on the generated text. This is mainly useful
for testing and analysis, since the compiled descriptions are limited
(e.g., 1023 for termcap, 4096 for terminfo).
- -t
- tells tic to discard commented-out capabilities. Normally when
translating from terminfo to termcap, untranslatable capabilities are
commented-out.
- -U
- tells infocmp to not post-process the data after parsing the source
file. This feature helps when comparing the actual contents of two source
files, since it excludes the inferences that infocmp makes to fill
in missing data.
- -V
- reports the version of ncurses which was used in this program, and
exits.
- -v n
- prints out tracing information on standard error as the program runs.
- The optional parameter n is a number from 1 to 10, inclusive,
indicating the desired level of detail of information. If ncurses is built
without tracing support, the optional parameter is ignored.
- -W
- By itself, the -w option will not force long strings to be wrapped.
Use the -W option to do this.
- -w width
- changes the output to width characters.
- -x
- print information for user-defined capabilities (see user_caps(5).
These are extensions to the terminfo repertoire which can be loaded using
the -x option of tic.
- /usr/share/terminfo
- Compiled terminal description database.
Although System V Release 2 provided a terminfo library, it had no documented
tool for decompiling the terminal descriptions. Tony Hansen (AT&T) wrote
the first infocmp in early 1984, for System V Release 3.
Eric Raymond used the AT&T documentation in 1995 to provide an
equivalent infocmp for ncurses. In addition, he added a few new
features such as:
- the -e option, to support fallback (compiled-in) terminal
descriptions
- the -i option, to help with analysis
Later, Thomas Dickey added the -x (user-defined
capabilities) option, and the -E option to support fallback entries
with user-defined capabilities.
For a complete list, see the EXTENSIONS section.
In 2010, Roy Marples provided an infocmp program for
NetBSD. It is less capable than the SVr4 or ncurses versions (e.g., it lacks
the sorting options documented in X/Open), but does include the -x
option adapted from ncurses.
X/Open Curses, Issue 7 (2009) provides a description of infocmp. It does
not mention the options used for converting to termcap format.
The -0, -1, -E, -F, -G, -Q, -R,
-T, -V, -a, -e, -f, -g, -i,
-l, -p, -q and -t options are not supported in
SVr4 curses.
SVr4 infocmp does not distinguish between absent and cancelled
capabilities. Also, it shows missing integer capabilities as -1 (the
internal value used to represent missing integers). This implementation
shows those as “NULL”, for consistency with missing
strings.
The -r option's notion of “termcap”
capabilities is System V Release 4's. Actual BSD curses versions will have a
more restricted set. To see only the 4.4BSD set, use -r
-RBSD.
The -F option of infocmp(1M) should be a toe(1M) mode.
captoinfo(1M), infotocap(1M), tic(1M), toe(1M),
curses(3X), terminfo(5). user_caps(5).
https://invisible-island.net/ncurses/tctest.html
This describes ncurses version 6.2 (patch 20200212).
Eric S. Raymond<EMAIL_ADDRESS>and
Thomas E. Dickey <dickey@invisible-island.net>


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Configuring Cassandra
The Cassandra configuration files location varies, depending on the type of installation:
- tarball:
conf
directory within the tarball install location
- package:
/etc/cassandra
directory
Cassandra’s default configuration file, cassandra.yaml
, is sufficient to explore a simple single-node cluster.
However, anything beyond running a single-node cluster locally requires additional configuration to various Cassandra configuration files.
Some examples that require non-default configuration are deploying a multi-node cluster or using clients that are not running on a cluster node.
cassandra.yaml
: the main configuration file for Cassandra
cassandra-env.sh
: environment variables can be set
cassandra-rackdc.properties
OR cassandra-topology.properties
: set rack and datacenter information for a cluster
logback.xml
: logging configuration including logging levels
jvm-*
: a number of JVM configuration files for both the server and clients
commitlog_archiving.properties
: set archiving parameters for the commitlog
Two sample configuration files can also be found in ./conf
:
metrics-reporter-config-sample.yaml
: configuring what the metrics-report will collect
cqlshrc.sample
: how the CQL shell, cqlsh, can be configured
Main runtime properties
Configuring Cassandra is done by setting yaml properties in the cassandra.yaml
file. At a minimum you
should consider setting the following properties:
cluster_name
: Set the name of your cluster.
seeds
: A comma separated list of the IP addresses of your cluster seed nodes.
storage_port
: Check that you don’t have the default port of 7000 blocked by a firewall.
listen_address
: The listen address is the IP address of a node that allows it to communicate with other nodes in the cluster. Set to localhost by default. Alternatively, you can set listen_interface
to tell Cassandra which interface to use, and consecutively which address to use. Set one property, not both.
native_transport_port
: Check that you don’t have the default port of 9042 blocked by a firewall, so that clients like cqlsh can communicate with Cassandra on this port.
Changing the location of directories
The following yaml properties control the location of directories:
data_file_directories
: One or more directories where data files, like SSTables are located.
commitlog_directory
: The directory where commitlog files are located.
saved_caches_directory
: The directory where saved caches are located.
hints_directory
: The directory where hints are located.
For performance reasons, if you have multiple disks, consider putting commitlog and data files on different disks.
Environment variables
JVM-level settings such as heap size can be set in cassandra-env.sh
. You can add any additional JVM command line
argument to the JVM_OPTS
environment variable; when Cassandra starts, these arguments will be passed to the JVM.
Logging
The default logger is logback. By default it will log:
- INFO level in
system.log
- DEBUG level in
debug.log
When running in the foreground, it will also log at INFO level to the console. You can change logging properties by editing logback.xml
or by running the nodetool setlogginglevel command.


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The print command (p) causes the contents of the pattern space to be output. It does not clear the pattern space nor does it change the flow of control in the script. However, it is frequently used before commands (d, N, b) that do change flow control. Unless the default output is suppressed (-n), the print command will cause duplicate copies of a line to be output. It can be used when default output is suppressed or when the flow control through the program avoids reaching the bottom of the script.
Let's look at a script that shows how the print command might be used for debugging purposes. It is used to show what the line looked like before you made any changes.
#n Print line before and after changes. /^\.Ah/{ p s/"//g s/^\.Ah //p }
Note that the print flag is supplied to the substitute command. The substitute command's print flag differs from the print command in that it is conditional upon a successful substitution.
Here's a sample run of the above script:
$sed -f sed.debug ch05
.Ah "Comment" Comment .Ah "Substitution" Substitution .Ah "Delete" Delete .Ah "Append, Insert and Change" Append, Insert and Change .Ah "List" List
Each affected line is printed twice.
We'll see additional examples of the print command in the next chapter. See also the multiline print command (P) in the next chapter.