Contribution¶
If you are interested in secondary development of Gerapy or contributing to Gerapy, this document details the environment configuration and development process for Gerapy developers.
Preparation¶
Development Gerapy requires a Python3 environment and a Node.js environment. The recommended versions are Python 3.6 + and Node.js 10.x +. Please install and make sure to use the python3, pip3, node, npm commands.
Cloning project¶
First clone Gerapy locally:
git clone https://github.com/Gerapy/Gerapy.git
Once the clone is complete, a Gerapy folder is generated locally.
Dependencies¶
Go to the Gerapy folder and install the dependencies you need for development:
pip3 install -r requirements.txt
Then install Gerapy locally:
python3 setup.py install
This installs the development version of Gerapy, and if Gerapy was previously installed, this installation will replace the previous version.
The gerapy command can be used after the installation is complete.
Then install the front-end dependencies, the front-end code is in the gerapy/client folder, based on Vue.js development.
Go into the directory and install dependencies.
cd gerapy/client
npm install
This will generate a node_modules folder under gerapy/client.
Run¶
The backend uses the gerapy command to start normally according to Gerapy’s instructions. Note that the runtime needs to be started on port 5000 instead of 8000.
gerapy runserver <IP_ADDRESS>:5000
The front end is in the gerapy/client folder and executes:
npm run serve
It will run on port 8080 and its backend API will be forwarded to port 5000, the Gerapy Server that was just started.
Open http://localhost:8080 to enter Gerapy’s development mode.
Description¶
The backend is based on Django development, and the database used is SQLite, whose main logic is in the gerapy/server folder.
The front end is based on Vue.js development and its main logic is in the gerapy/client folder.
Code Release¶
After the front-end modification is completed, if you want to officially release it, you can directly execute it:
npm run build
The result of the build will go to the backend’s gerapy/server/core/templates folder.
The release of the backend code can be executed directly:
python3 setup.py upload
It will be automatically uploaded to PyPi and tagged on GitHub, provided you have PyPi and GitHub permissions.


timeout
Purpose
Sets the amount of time, in milliseconds, an RPC message will wait before giving up.Examples
rabbitMessagePublisher.send { routingKey = "example.queue" timeout = 20 * 60 * 1000 // 20 seconds body = "message" }
The native RabbitMQ Grails plugin provides easily consumable messaging functionality.
|
(Quick Reference)
timeoutPurposeSets the amount of time, in milliseconds, an RPC message will wait before giving up.ExamplesrabbitMessagePublisher.send { routingKey = "example.queue" timeout = 20 * 60 * 1000 // 20 seconds body = "message" } DescriptionThe timeout is important when sending RPC messages. A server may fail and not reply to the message, and the client must not wait until eternity for the message to come back. The default timeout, if not specified, is 5 seconds. If the client does wish to wait indefinitely, setting this value to 0 will cause the RPC call to wait until a reply is received. |


Two Expert Climbers Killed in a fall from el cap's freeblast
Recap and photo gallery: ifsc hacohoiji world cup 2018-bouldering
2018 climbing gear guide: editor's choice awards
ben hanna: man, myth...or hulk?
Book:climb fitness-the ultimate guide to customizing a powerful workout on the wall
In Depth: The Evolution of the Nose Speed Record
Peter Whittaker's 100,000-foot Promise
The scion of America’s first family of mountaineering flips the apparel industry on its head with the launch of Bight Gear, a line of clothing for mountaineers, by mountaineers.Interview: Adrian Ballinger on His Lightning-Fast Ascents of Cho Oyu and Everest
A traditional Everest trip is 65 days long. Using new technology and techniques, Adrian Ballinger has cut down that number dramatically.Access Fund Executive Director Brady Robinson to Step Down to Pursue Global Conservation
After 11 years leading the Access Fund, Brady Robinson will step down from the climbing advocacy organization.Climb The Hill 2018: Climbers Take Their Message to Washington, D.C.
Dozens of climbers convened on Capitol Hill to lobby members of Congress on public lands issues for the annual Climb the Hill event.The Hidden Environmental Cost of Climbing Chalk
The biggest problem with [magnesite) mines is the dust, and that dust has a huge impact on the environment and local people.Madaleine Sorkin and the AAC Launch the Climbing Grief Fund
After a slew of climbing tragedies last fall, big wall climber Madaleine Sorkin partners with the American Alpine Club to provide resources for climbers affected by death.Climbing Magazine Print Preview: July 2018
Read Matt Samet's Editor's Note and see what's inside the July 2018 issue of Climbing Magazine.Interview: Alex Megos on Sending Chris Sharma's Perfecto Mundo (5.15c) Project
After more than three weeks of work, 24-year-old Alex Megos from Frankenjura, Germany, made the FA of Perfecto Mundo at Finestra in Margalef, Spain, ticking his first 5.15c.Beaks for Days: New El Cap Route Ephemeron (VI 5.10 A4) Parallels the Nose
The new El Cap line took Brandon Adams and Kristoffer Wickstrom 10 days to climb and required 40 beaks for the thin seams.Recap and Photo Gallery: IFSC Tai’an World Cup 2018—Bouldering and Speed
Check the results, read about the most exciting moments, and see photos from the bouldering and speed climbing World Cup in Tai'an, China.Love to climb? So do we.
Since 1970, Climbing Magazine has been the go-to source for information about sport climbing, trad climbing, bouldering, and alpine climbing. Check out our gear reviews of climbing shoes, harnesses, ropes, and other climbing gear, learn essential climbing skills, find out where to take your next rock climbing trip, or just check out the latest news from El Capitan in Yosemite National Park.
Interview: Adrian Ballinger on His Lightning-Fast Ascents of Cho Oyu and Everest
Classic Routes: The Phoenix
Photo Gallery: Slovenia—Climbing in Europe's Limestone Capital
The History of Hard Sport Climbing in Boulder's Flatirons: Personal Essay—Bob Horan
The History of Hard Sport Climbing in Boulder's Flatirons: Interview—Colin Lantz
The History of Hard Sport Climbing in Boulder's Flatirons: Personal Essay—Paul Glover
The History of Hard Sport Climbing in Boulder's Flatirons: Interview—Dan Michael
Trying for Invisible: The Impact of Climbing on Peru's Cordillera Blanca
The Indo Project: Can Climbing Help Save an Island?
more climbing


 (Your goal, obviously, is to end up with the car).
| Hypothesis | Prior |
|---|---|
| door 1 | 33.3% |
| door 2 | 33.3% |
| door 3 | 33.3% |
You pick a door, say No. 1, and the host, who knows what's behind the doors, opens another door, say No. 3, which has a goat. He then says to you, "Do you want to pick door No. 2?" Is it to your advantage to switch your choice?
If the car were behind door 1, then the host would randomly pick between doors 2 and 3 to reveal. If the car were behind door 2, the host would have to show you door 3. If the car were behind door 3, then the host couldn't show us that door.
Evidence: being shown door 3| Hypothesis | Prior | Likelihood of being shown door 3 | Posterior |
|---|---|---|---|
| door 1 | 33.3% | 33.3% | 33.3% |
| door 2 | 33.3% | 66.7% | 66.7% |
| door 3 | 33.3% | 0.0% | 0.0% |
So we should switch!


Ranveer Singh or Rani Mukerji: Who wore this Sabyasachi outfit better?
Both Rani Mukerji and Ranveer Singh were spotted wearing a similar Sabyasachi ensemble. Who do you think looked better?
by Lifestyle DeskRani Mukerji, who is busy with promotions of her latest film, Mardaani 2, was recently spotted in a Sabyasachi ensemble. The actor was seen in a floral printed kurta which was teamed with a matching churidar. This was paired with a sheer dupatta and the look was rounded out with dark kohl eyes and hair tied.
In case you think you have seen this outfit somewhere, well you are not wrong. Recently Ranveer Singh had stepped out wearing a very similar ensemble from the same designer while visiting the Golden Temple. He was with Deepika Padukone celebrating their first wedding anniversary. The Gully Boy actor was spotted in a floral printed kurta and churidar which he paired with a waistcoat. Singh is known for his flamboyant fashion choices and mostly for blurring the line between what women wear and what men do. And it was no different this time.
While it is refreshing to note that outfits are no longer considered to be gender-specific, if there was a comparison between both the actor, we guess it is Singh who wins this round.
Who do you think looked better?


Teams and Jira integration
If you are on the lookout for accessing Jira issues in Teams without asking the Jira administrator to install additional apps, Jira Server for Teams can be an option. The Jira Server connector uses built-in Webhooks functionality of Jira Server that doesn’t require third party Jira app installation. You still require the administrator for Webhook installation and also configure firewall to allow outgoing traffic from Jira Server instance to Teams Connector app i.e. specifically need to add the address record of ‘connectors.msteams-atlassian.com’ to any sort of whitelist that controls network egress traffic..
Microsft Teams Jira Server Connector
Setup
https://www.msteams-atlassian.com/JiraServer/#authorization
- Add Jira Server App by clicking the ellipsis in the left bar.
- Open the Jira App in same or new tab.
- Type connect jira.company.com in the chat.
- Click on Sign-in and sign with your Company Microsoft account
- Get and enter d1-----0-e--c-4--1-8--0-c1--------ad as Jira connector id.
- Click on Authorize, authorize it on the opened web page and enter authorization token to complete the integration.
- Type help to explore.
Usage
help shows the following. Use these commands to work with individual Jira issues.
connect *Jira ID* - connect a Jira Server instance to your Microsoft Teams account
create - create a new issue
find - provide a summary keyword (e.g. find "as a user I want") to find the issue
assign - assign the issue to yourself (e.g. assign MP-47)
edit - open the issue card to change priority, summary, and description of the issue
log - log time spent on the issue
watch - start watching the issue (e.g. watch MP-47)
unwatch - stop watching the issue (e.g. unwatch MP-47)
vote - vote on the issue
unvote - unvote on the issue
comment - comment the issue
disconnect - disconnect Jira Server instance you've connected from Microsoft Teams
cancel - cancel current dialog
log <jira-id> may be the most useful command since you may do it on a daily basis.
The horizontal bar shows other options like "Assigned to me", "Watched by me" etc.. A good idea is to create a custom Jira filter and view it in the "My filters" section. Select this filter every time you visit this section, hopefully Atlassian fixes this soon.
Tags: productivity, jira, teams


GBP/USD: attention now shifted to the 1.2770 region – Commerzbank
by Pablo PiovanoIn opinion of Axel Rudolph, Senior FICC Technical Analyst at Commerzbank, Cable has now shifted its focus to a potential move to the 1.2770 region.
Key Quotes
“GBP/USD is showing signs of failure at the psychological resistance at 1.3000 and the recent high at 1.3013. Directly above here we have the 200 week ma at 1.3109, the 50% retracement of the move down from 2018 at 1.3167, the 5 year downtrend at 1.3170 and the 1.3187 May high and this is tough resistance and we look for the market to fail here”.
“Near term risk is shifting to the downside and attention is on the 1.2768 current November low. Failure at 1.2768 would probably see a slide to the 200 day ma at 1.2703. This guards the 1.2582 September high. Below 1.2582 lies the 1.2493 uptrend line. It guards 1.2196/94”.


CD M Santiago built the Helium app as a Free app. This SERVICE is provided by CD M Santiago at no cost and is intended for use as is.
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The terms used in this Privacy Policy have the same meanings as in our Terms and Conditions, which is accessible at Helium unless otherwise defined in this Privacy Policy.
I do not require, or collect, any personally identifiable information for use of my Service, so none is shared. Any information collected is retained on your device and is not collected by me in any way.
The app might use third party services that may collect information used to identify you, typically in browsing web sites.
There are no third party service providers used in the making of the app.
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These Services do not address anyone under the age of 17. I do not knowingly collect personally identifiable information from anyone. In the case I discover personal information, I immediately delete this from our servers.
I may update our Privacy Policy from time to time. Thus, you are advised to review this page periodically for any changes. I will notify you of any changes by posting the new Privacy Policy on this page. These changes are effective immediately after they are posted on this page.
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Welcome!
This is Ruby4Kids
Start your command line.
Make a directory, let's call it my_game
.
Then go that directory by typing cd my_game
now we open that directory with our text editor by typing mate my_game
Once in this view we will create our first file by right clicking on the folder and asking for a new file.
We will call the file my_game.rb
.
This is the file that will contain our first program.
We will use the gosu library.
We will do this by typing:
require 'gosu'
We will then start our game by inheriting from the Gosu
class
We will call our game
class MyGame < Gosu::Window
end
Now inside of this class, Gosu
needs us to define three methods:
We do this like this:
class MyGame < Gosu::Window
def initialize
end
def update
end
def draw
end
end
What happens here is that when the game starts, the initialize
method is called.
Then the game stays running and it goes in a loop calling the methods: update
and draw
Update, then draw, update then draw, update then draw. Like this several times a second.
OK so we are almost ready to run this code. The next step that we need to do now is tell Gosu
how big a window we want for the game.
We do this in the initialize
method, by passing it three parameters like this
def initialize(300, 300, false)
end
what this does is make the window 300 pixels wide by 300 pixels high. A pixel is a single dot in your screen. If you put your face right next to the display you can almost see the dots those are called pixels.
The third parameter you pass to the initialize method is false. This tells gosu not to take over the whole sreen. I hate when games just take over your whole screen. So we will say false for this.
OK, let's see if this works. Let's run this.
To run what we have so far, we have to use the class we just defined in our program.
We do this by adding the following after the class definition.
window = MyGame.new
window.show
The first line creates an instance of the new game, and the show method tells the game to show the game window.
We are ready to run the program now.
We save what we have so far, then we go to the command line and tell the program to run like this:
> ruby my_game.rb
If everything worked correctly, you will have seen your screen show up. You have written your first program!
Granted this does not do anything exciting, but at least you now know how to open a window in a computer game.
The next step will be to add objects to the game.
PLAYER
It will be good to have a player in the game. So let's create one.
We do this by adding a new file. I will call it player.rb
, so I right click on the folder and type player.rb
Now we will define what our player will do.
Do this by typing
class Player
def initialize(game_window)
@game_window = game_window
end
end
Next, we will add an icon to this player so that we can see it on the screen
We do this by finding a .png picture, I happen to have a picture of an icon and I will place it on
an images folder in my game folder. I do this by right clicking on the game folder icon and
selecting new folder.
Then I call it images.
Then I drag my image to the screen.
next I go to my player class and I add this icon to it. I do this by typing the following
def initialize(game_window)
@game_window = game_window
@icon = Gosu::Image.new(@game_window, "images/player1.png", true)
end
Then we add a draw method to the player, we do this by typing
def draw
@icon.draw(50,50,1)
end
now almost ready to try this again. I need to go to my first file first and I need to instantiate this player.
I do this by typing in the initialize method:
@player1 = Player.new(game_window)
This tells the player which window to draw itself on.
Then we add:
@player1.draw
in the draw method of the game window.
This will draw the player when the game is running.
Let's try it!


Exposing C++ in Python¶
Modules¶
core¶
#include <pybind11/pybind11.h>
int add(int i, int j) {
return i + j;
}
PYBIND11_MODULE(core, m) {
m.doc() = "Core exposed module from Tudat C++ libraries"; // optional module docstring
m.def("add", &add, "A function which adds two numbers");
}
Submodules¶
Functions¶
General Functions¶
Let’s say we want to expose :simulation_setup::setGlobalFrameBodyEphemerides
in the Python
environment. Since we wish our namespaces to be modules in Python, we would go to expose_simulation_setup.cpp
under
the source tudatpy/tudatpy/
.
template< typename StateScalarType = double, typename TimeType = double >
void setGlobalFrameBodyEphemerides( const NamedBodyMap& bodyMap,
const std::string& globalFrameOrigin,
const std::string& globalFrameOrientation )
Overloaded Functions¶
Documented Errors¶
TypeError: __init__()¶
Not so evident case¶
Attempting to instantiate an exposed object in Python:
instantiation = tudatpy.object_X(object_Y, 25.0E3, True, False, None)
Raises a TypeError:
Traceback (most recent call last):
...
TypeError: __init__(): incompatible constructor arguments. The following argument types are supported:
1. tudatpy.object_X(arg1: tudatpy.object_Y, arg2: float, arg3: bool, arg4: bool = False, arg5: tudat::object_Z = None)
Invoked with: kwargs: arg1=<tudatpy.object_Y object at 0x7f27040042f0>, arg2=25000.0, arg3=True, arg4=False, arg5=None
Process finished with exit code 1
It may not be evident at first, but when going into the source code of the exposed class, something may look amiss:
py::class_<
tudat::object_X,
std::shared_ptr<tudat::object_X>,
tudat::parent_of_object_X
>(m, "object_X")
.def(py::init<
const std::shared_ptr<tudat::object_Y>,
const double,
const bool,
const bool,
const std::shared_ptr<tudat::object_Z>
>(),
py::arg("arg1"),
py::arg("arg2"),
py::arg("arg3"),
py::arg("arg4") = false,
py::arg("arg5") = nullptr
);
We can notice that the supported signature has an unexposed tudat object: arg5
. It’s evident that it’s unexposed, as
arg1
shows clearly that a tudatpy
object is an accepted input. It’s not expected that an error should be raised
as the default argument is set as a nullptr
in the C++ module definition, which is itself a supported type conversion
in Pybind11. If an argument has a default associated to it, the type must be defined somewhere in the Pybind11 module,
prior to the definition of the relevant constructor.


The Eemian (also Last Interglacial, Marine Isotope Stage (MIS) 5e; ca. 129–116 thousand years (ka) ago) is of special interest as the most recent case of widespread climatic warming in the geological record. Marine sediment records suggest that the Eemian was characterised by an average global annual sea surface temperature of +0.5 ± 0.3 °C above preindustrial levels 1 and by summer surface warming of up to 4–5 °C above Arctic lands 2. Also, the Eemian global sea level was an estimated 6–9 m above present, associated with reduced ice sheets in Greenland and possibly in western Antarctica 3. The Eemian is an imperfect analogue for anthropogenic global warming as the climate forcing was different, with only minor changes in total greenhouse-gas forcing compared to preindustrial 4 but some of the strongest anomalies in orbital forcing in the past 1 million years 5. However, despite the different forcing, the resultant latitudinal temperature distribution of the Eemian appears to have been similar to projected warming under an optimistic scenario for greenhouse gas emissions 6. The Eemian thus provides a valuable opportunity to explore the response of the global environment (e.g., biosphere, cryosphere, sea level) to climate warming relative to preindustrial 3, 7 and to constrain the role of individual feedbacks 4, 8.
Despite decades of work on the Eemian, existing climate syntheses continue to be hampered by fragmented data. This is especially true for land areas where the available temperature proxy data are strongly concentrated in the Northern Hemisphere mid-latitudes (ca. 30–60 °N) 9– 12. In the Northern Hemisphere high latitudes (60–90 °N), the lack of data is due to widespread glacial erosion during the last Ice Age, compounded by poor dating control on the highly fragmented sedimentary record 2, 11, 13. Data from the northern high latitudes are especially important, as observations and modelling of modern climate change, as well as data on past warm climate stages, suggest that the Arctic can take a highly distinct trajectory during climatic warming. Typically, the modelled and observed Arctic warming is strongly amplified compared to the Northern Hemisphere average, due to a suite of high-latitude feedbacks involving the cryosphere, vegetation, surface hydrology, and oceanic circulation 2, 14. Moreover, recent studies on proxy datasets from the North Atlantic Ocean and the North-European continent have revealed surprising complexities in the evolution of Eemian climate and environment. These new findings include abrupt shifts in climate and oceanic circulation 7, 15– 20 and asynchronous hemispheric surface temperature changes 7, 8. However, due to paucity of high-resolution datasets, the geographic expression and causes of these events remain elusive 15, 16.
Here we present a high-resolution (sub-centennial) palaeoclimate reconstruction for the Eemian from northern Finland utilising a pollen and plant macrofossil record. At the Sokli site, a local bedrock anomaly has allowed the preservation of a long and continuous sedimentary sequence spanning the last glacial cycle 11, 21, 22 and the entire Eemian 16, despite the location in the central part of northern European continental glaciations (Fig. 1), providing a benchmark record of Eemian climatic evolution in the high-latitude land areas. The Eemian sequence at Sokli has earlier been the focus of multi-proxy studies (including pollen, diatoms, and chironomids) on a Mid-Eemian cooling event 16, as well as limnology and geochemistry 23, 24. Here we present quantitative reconstructions of July, as well as January mean air temperature ( Tjul, Tjan) in the Eemian, using an ensemble of pollen–climate calibration models including classical and machine-learning approaches. The chronological constraints are improved by new northern European speleothem datings. Our aim is to resolve the long-term seasonal evolution, as well as possible abrupt changes of Eemian climate in the European high latitudes. Our climate reconstructions provide a robust record of repeated Eemian abrupt events, and reveal a complex interplay of insolation and marine forcings and ice-sheet dynamics.
Location of Sokli and key sites referenced in the study. Maximum extent of glaciation during the Saalian ice age (Marine Isotope Stage 6) 13 is shown


Schoonover green roof to provide educational opportunities, sustainability
Freaks and Geeks: A solution to global warming
Athens solar energy investment continues to shine
Words I Might Have Ate: The environmental cost of the vinyl revival
EcoReps organization gets a makeover with new leadership, goals
Helping the environment through healthy meat consumption
Clothing exchanges promote sustainability in affordable way
Student group spreads environmental awareness
5 easy and efficient ways to be eco-friendly
4 sustainable fashion brands to be environmentally stylish
Sustainability Hubs challenges students to think green, make a difference
Local farmers face effects of climate change in the region
So Listen: Why the world isn’t reacting to climate change like it reacted to the ozone hole
How the 1969 re-routing of the Hocking River hurt its ecosystems
Acid mine drainage pollutes local tributaries of the hocking river
Sustainable lifestyle tricky to achieve, some say
5 books to freshen up your knowledge of climate change and environmental issues
Existential Binge-Watching: Science fiction is vital for conversations about climate change
On the Ball: The pitfalls of the fast fashion industry
5 books to freshen up your knowledge of climate change and environmental issues
Local restaurants and shops are fighting against plastic
On the Ball: The pitfalls of the fast fashion industry


prtRvMultinomial Multinomial random variable
RV = prtRvMultinomial creates a prtRvMultinomial object
with an unknown number of categories with unspecified probabilities
These properties can be set manually or by using the MLE method.
prtRvMultinomial operates on count matrices. Therfore, the DRAW()
method outputs a matrix that is N x nCategories and has a single 1
in each row. To draw integer categories you can use the
DRAWINTEGER() method. Similarly, the MLE function takes a count
matrix as an input. Type help prtRvMultinomial.mle for more
information.
RV = prtRvMultinomial(PROPERTY1, VALUE1,...) creates a
prtRvMultinomial object RV with properties as specified by
PROPERTY/VALUE pairs.
A prtRvMultinomial object inherits all properties from the
prtRv class. In addition, it has the following properties:
nCategories - number of integers modeled by the RV
probabilities - A 1 x nCategories vector of doubles less than 1
that sum to 1, representing the probability of
each of the integers
A prtRvMultinomial object inherits all methods from the prtRv
class. The MLE method can be used to set the parameters from data.
In addition, it has the the following methods:
x = R.drawIntegers(N) - Draws N integers with the corresponding
probabilities
Example:
data = rand(100,5); % Uniformly random data
X = bsxfun(@eq,data,max(data,[],2)); % Generate data that has a
% single 1 in each row
RV = prtRvMultinomial; % Generate a prtRvMultinomial
RV = mle(RV,X); % Estimate the parameters
RV.plotPdf() % Plot the pdf (pmf)
|
|
cdf |
Output the cdf of the random variable evaluated at the points specified |
|
|
crossValidate |
Cross validate prtAction using prtDataSet and cross validation keys. |
|
|
draw |
Draw random samples from the distribution described by the prtRv object |
|
|
drawIntegers |
DRAW Draw random integer samples from the distribution described by the prtRv object |
|
|
get |
get the object properties |
|
|
kfolds |
Perform K-folds cross validation of prtAction |
|
|
logPdf |
Output the log pdf of the random variable evaluated at the points specified |
|
|
mle |
RV = RV.mle(X) computes the maximum likelihood estimate based |
|
|
optimize |
Optimize action parameter by exhaustive function maximization. |
|
|
pdf |
Output the pdf of the random variable evaluated at the points specified |
|
|
plotCdf |
Not implemented for this prtRv |
|
|
plotPdf |
Plot the pdf of the RV |
|
|
run |
Run a prtAction object on a prtDataSet object. |
|
|
set |
set the object properties |
|
|
train |
Train a prtAction object using training a prtDataSet object. |


| Module Name | libsysrepo.so |
|---|---|
| Version #1 | 6.0.0 |
| Version #2 | 7.0.0 |
| Arch | x86_64 |
| GCC Version | 11.2.1 |
| Subject | Binary Compatibility |
| Total Header Files | 3 |
|---|---|
| Total Objects | 1 |
| Total Symbols / Types | 128 / 28 |
| Compatibility | 84% |
| Severity | Count | |
|---|---|---|
| Added Symbols | - | 26 |
| Removed Symbols | High | 17 |
| Problems with Data Types | High | 0 |
| Medium | 0 | |
| Low | 1 | |
| Problems with Symbols | High | 0 |
| Medium | 7 | |
| Low | 1 | |
| Problems with Constants | Low | 0 |
| Module Name | libsysrepo.so |
|---|---|
| Version #1 | 6.0.0 |
| Version #2 | 7.0.0 |
| Arch | x86_64 |
| Subject | Source Compatibility |
| Total Header Files | 3 |
|---|---|
| Total Objects | 1 |
| Total Symbols / Types | 128 / 28 |
| Compatibility | 84% |
| Severity | Count | |
|---|---|---|
| Added Symbols | - | 26 |
| Removed Symbols | High | 17 |
| Problems with Data Types | High | 0 |
| Medium | 0 | |
| Low | 1 | |
| Problems with Symbols | High | 0 |
| Medium | 7 | |
| Low | 0 | |
| Problems with Constants | Low | 0 |
| Other Changes in Symbols | - | 1 |


I was a finalist and competed in the 2018 Intel ISEF in Pittsburgh in the Materials Science category.
The Intel International Science and Engineering Fair (Intel ISEF), a program of Society for Science & the Public (the Society), is the world’s largest international pre-college science competition. Each year, approximately 1,800 high school students from more 80 countries, regions, and territories are awarded the opportunity to showcase their independent research and compete for more than $5 million in prizes. Today, millions of students worldwide compete each year in local and school-sponsored science fairs; the winners of these events go on to participate in Society-affiliated regional and state fairs from which the best win the opportunity to attend Intel ISEF. Intel ISEF unites these top young scientific minds, showcasing their talents on an international stage, where doctoral level scientists review and judge their work.
Improvements in energy storage devices can help facilitate the implementation of renewable energy resources in collecting energy, energy storage, and using the energy efficiently. Most energy storage devices today face similar problems: slow charging time, low power and energy density, safety, and cost. The goal of this research was to address these issues with graphene supercapacitors. Graphene supercapacitors have fast charging and discharging rates, which not only reduce charging time but also enable better performance. The improvements in the electrolytes and the pattern design can further increase graphene supercapacitors’ power and energy density. Inexpensive graphene supercapacitors can lower the cost of energy storage in solar and wind farms. They also have many more applications on a smaller scale. Graphene’s flexibility and transparency give graphene supercapacitors many potential applications in electronic devices like phones and wearables. Driving down the cost of LSG (laser scribed graphene) and scaling up the production will help make graphene supercapacitors commercially available. Although some lithium-ion batteries can achieve fast charging rates, graphene supercapacitors have many more benefits thanks to graphene’s physical properties. A gelled electrolyte allows more flexibility and does not have the safety hazard of leakage while a reliable solid electrolyte in batteries is yet to be invented. Despite the low-cost associated with sodium-based batteries, the comparative performance of graphene supercapacitors may still be superior.
This research focused on scalable inexpensive graphene supercapacitors from graphite oxide exfoliated with LightScribe DVD burners. This research demonstrated the feasibility of an inexpensive scalable high energy density graphene supercapacitor. The graphene capacitor made with the LightScribe method has a capacitance of about 200 . It would take approximately four kilograms of those capacitors in parallel to have one Farad of capacitance. Although my graphene supercapacitors did not achieve high energy density, they have the potential to with further improvements. The inexpensive and scalable method could be helpful for manufacturers as well.
Keywords: energy storage, graphene, capacitor, LightScribe
Read my Paper See my PosterHere are the awards that I won with this project at the local and state level:
*The Weizmann Award was a scholarship to conduct research at Weizmann Institute of Science in Israel through the International Summer Science Institute (ISSI).
This project was conducted at my high school as a part of the Academic Research Program. Here are some details from the school website.
Read about ISSI Close Tab


I believe in time-based releases. I believe in frequent releases. I believe in a trunk branch that is always ready to be a release candidate. Many Free Software developers share my beliefs. For a long time I haven’t questioned it. It’s obviously good to release regularly and often.
Is it possible that time-based releases actually create negative impressions of software?  How should compatibility watersheds (format, API, whatever) affect a release cycle? What would Bazaar’s format reputation be like if they released every six months instead of every month?
“It is hard to argue that bzr isn’t in a state of flux when a new stable version is available once a month.” - Jason Earl, Bazaar mailing list.Now I think I have to begin asking questions.
Is it possible that time-based releases actually create negative impressions of software?  How should compatibility watersheds (format, API, whatever) affect a release cycle? What would Bazaar’s format reputation be like if they released every six months instead of every month?
If bzr is to move to a longer release cycle (3 months, say), it can still do montly alpha/beta releases: an alpha on the end of the first month, a beta on the end of the second one (if no release critical bug id found, them is could slip some days), and a rc or two on the week before the final release.
While Ubuntu also uses a similar strategy, most Free Software people really are accustomed to X.Y where a change in X means big changes including likely major fixes and improvements but also to beware of breakage, and a change in Y means tweaks to what you know, breakage unlikely. (For projects with dependant projects, X.Y.Z is better where a change in Z means no ABI/API break from the previous release, as required.)
Of course, one can get this from the release notes, but one doesn’t read them…
May be only point releases, e.g. 1.13.X should be released once at month.
E.g. for version X.Y.Z
Z = every month (only bugfixes)
Y = every 3 months (improvements)
X = every 9-12 months (big improvements, new formats)
I think that has way more of an impact on the impression of stability than does the frequency of releases; people just want to know it will always work wherever they happen to need some code, regardless of what version is installed there.
I don’t see any reason to question the basic concept of always being ready to release, but that’s not the same as releasing all the time. :-) Every month is good for a pre-1.0, after that, 3 or 6 months is a better pace to set. Being ready gives you the ability to do a critical bugfix release at the drop of a hat.
But I’d ask, *please*, don’t add new default repository formats so often.
My proposal: do time-based *major* (2.0, 3.0, …) releases too, every 6 months for example, and add a new default format only to this releases.
The new format, accumulating all backward incompatible changes, could be developed on a branch and integrated as a –development format when its good enough (like it is now), but only released as the default on a major release.
This way, distributions can offer always a bzr with the latest (or almost) format, and teams/hosting sites/sysadmins can get prepared to upgrade their repos less often.


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Plotting¶
Plot Raw¶
Plots raw EEG data using the MNE raw.plot function.
Attributes¶
Input |
||
Name |
Type |
Description |
Raw |
rawEEG |
Raw EEG data |
Settings Interface¶
Please note: File identifiers must be unique for each node so as to avoid overwriting each other. If running a batch pipeline, each input file’s output plots will be given a unique name that includes this identifier.
Plot Sources¶
Plots the sources created from independant component analysis against time using the MNE ica.plot_sources function.
Attributes¶
Input |
||
Name |
Type |
Description |
Data |
rawEEG/epoch |
Raw EEG/epoch data |
ICA Solution |
ICA |
ICA solution to apply to data |
Plot Components¶
Plots the ICA components using the MNE ica.plot_components function.
Attributes¶
Input |
||
Name |
Type |
Description |
ICA Solution |
ICA |
ICA solution to plot components of |
Plot Properties¶
Plots the properties of each ICA component using the MNE ica.plot_properties function.
Attributes¶
Input |
||
Name |
Type |
Description |
Data |
rawEEG/epoch |
Raw EEG/epoch data |
ICA Solution |
ICA |
ICA solution to apply to data |
Plot Peak¶
Creates a plot of the time series evoked event data for each channel, with a marker showing the peak signal time. The scalp plot at the peak time is shown above the time series data. Uses the MNE evoked.plot_joint function. Creates individual plots for each event given in the global variables
Attributes¶
Input |
||
Name |
Type |
Description |
Evoked Data |
evoked |
Averaged event (evoked) data |
Plot Local Peaks¶
Creates a plot of the time series evoked event data for each channel, with a marker showing the time of the local peak signal. The scalp plot at the peak time is shown above the time series data. Uses the MNE evoked.plot_joint function. Creates individual plots for each event given in the global variables
Attributes¶
Input |
||
Name |
Type |
Description |
Evoked Data |
evoked |
Averaged event (evoked) data |
Plot Evoked Times¶
Identical to Plot Peak but gives a scalp plot at regular intervals along the time series.
Attributes¶
Input |
||
Name |
Type |
Description |
Evoked Data |
evoked |
Averaged event (evoked) data |
Plot Evoked Comparison¶
Plots a comparison of averaged time series data for all channels for each event given in the global variables. This uses the MNE mne.viz.plot_compare_evokeds function.
Attributes¶
Input |
||
Name |
Type |
Description |
Evoked Data |
evoked |
Averaged event (evoked) data |
Grand Average Signal¶
Plots the grand (combined) average signal for each channel, for each event, averaged across all input files.
Attributes¶
Input |
||
Name |
Type |
Description |
Evoked Data |
evoked |
Averaged event (evoked) data |
Grand Peak Analysis¶
Produces bar charts of the mean peak amplitude and latencies for each channel, for each event, averaged across all input files. The standard deviation of each value is given as a y-axis error bar.
Attributes¶
Input |
||
Name |
Type |
Description |
Evoked Data |
evoked |
Averaged event (evoked) data |


S_CLIENT
Section: OpenSSL (1)Updated: 2009-06-26
Index Return to Main Contents
NAME
s_client - SSL/TLS client programSYNOPSIS
openssl s_client [-connect host:port] [-verify depth] [-cert filename] [-certform DER|PEM] [-key filename] [-keyform DER|PEM] [-pass arg] [-CApath directory] [-CAfile filename] [-reconnect] [-pause] [-showcerts] [-debug] [-msg] [-nbio_test] [-state] [-nbio] [-crlf] [-ign_eof] [-quiet] [-ssl2] [-ssl3] [-tls1] [-no_ssl2] [-no_ssl3] [-no_tls1] [-bugs] [-cipher cipherlist] [-starttls protocol] [-engine id] [-tlsextdebug] [-no_ticket] [-sess_out filename] [-sess_in filename] [-rand file(s)]DESCRIPTION
The s_client command implements a generic SSL/TLS client which connects to a remote host using SSL/TLS. It is a very useful diagnostic tool for SSL servers.OPTIONS
- -connect host:port
- This specifies the host and optional port to connect to. If not specified then an attempt is made to connect to the local host on port 4433.
- -cert certname
- The certificate to use, if one is requested by the server. The default is not to use a certificate.
- -certform format
- The certificate format to use: DER or PEM. PEM is the default.
- -key keyfile
- The private key to use. If not specified then the certificate file will be used.
- -keyform format
- The private format to use: DER or PEM. PEM is the default.
- -pass arg
- the private key password source. For more information about the format of arg see the PASS PHRASE ARGUMENTS section in openssl(1).
- -verify depth
- The verify depth to use. This specifies the maximum length of the server certificate chain and turns on server certificate verification. Currently the verify operation continues after errors so all the problems with a certificate chain can be seen. As a side effect the connection will never fail due to a server certificate verify failure.
- -CApath directory
- The directory to use for server certificate verification. This directory must be in ``hash format'', see verify for more information. These are also used when building the client certificate chain.
- -CAfile file
- A file containing trusted certificates to use during server authentication and to use when attempting to build the client certificate chain.
- -purpose, -ignore_critical, -issuer_checks, -crl_check, -crl_check_all, -policy_check, -extended_crl, -x509_strict, -policy -check_ss_sig
- Set various certificate chain valiadition option. See the verify manual page for details.
- -reconnect
- reconnects to the same server 5 times using the same session ID, this can be used as a test that session caching is working.
- -pause
- pauses 1 second between each read and write call.
- -showcerts
- display the whole server certificate chain: normally only the server certificate itself is displayed.
- -prexit
- print session information when the program exits. This will always attempt to print out information even if the connection fails. Normally information will only be printed out once if the connection succeeds. This option is useful because the cipher in use may be renegotiated or the connection may fail because a client certificate is required or is requested only after an attempt is made to access a certain URL. Note: the output produced by this option is not always accurate because a connection might never have been established.
- -state
- prints out the SSL session states.
- -debug
- print extensive debugging information including a hex dump of all traffic.
- -msg
- show all protocol messages with hex dump.
- -nbio_test
- tests non-blocking I/O
- -nbio
- turns on non-blocking I/O
- -crlf
- this option translated a line feed from the terminal into CR+LF as required by some servers.
- -ign_eof
- inhibit shutting down the connection when end of file is reached in the input.
- -quiet
- inhibit printing of session and certificate information. This implicitly turns on -ign_eof as well.
- -psk_identity identity
- Use the PSK identity identity when using a PSK cipher suite.
- -psk key
- Use the PSK key key when using a PSK cipher suite. The key is given as a hexadecimal number without leading 0x, for example -psk 1a2b3c4d.
- -ssl2, -ssl3, -tls1, -no_ssl2, -no_ssl3, -no_tls1
-
these options disable the use of certain SSL or TLS protocols. By default
the initial handshake uses a method which should be compatible with all
servers and permit them to use SSL v3, SSL v2 or TLS as appropriate.
Unfortunately there are a lot of ancient and broken servers in use which cannot handle this technique and will fail to connect. Some servers only work if TLS is turned off with the -no_tls option others will only support SSL v2 and may need the -ssl2 option.
- -bugs
- there are several known bug in SSL and TLS implementations. Adding this option enables various workarounds.
- -cipher cipherlist
- this allows the cipher list sent by the client to be modified. Although the server determines which cipher suite is used it should take the first supported cipher in the list sent by the client. See the ciphers command for more information.
- -starttls protocol
- send the protocol-specific message(s) to switch to TLS for communication. protocol is a keyword for the intended protocol. Currently, the only supported keywords are ``smtp'', ``pop3'', ``imap'', and ``ftp''.
- -tlsextdebug
- print out a hex dump of any TLS extensions received from the server.
- -no_ticket
- disable RFC4507bis session ticket support.
- -sess_out filename
- output SSL session to filename
- -sess_in sess.pem
- load SSL session from filename. The client will attempt to resume a connection from this session.
- -engine id
- specifying an engine (by its unique id string) will cause s_client to attempt to obtain a functional reference to the specified engine, thus initialising it if needed. The engine will then be set as the default for all available algorithms.
- -rand file(s)
- a file or files containing random data used to seed the random number generator, or an EGD socket (see RAND_egd(3)). Multiple files can be specified separated by a OS-dependent character. The separator is ; for MS-Windows, , for OpenVMS, and : for all others.
CONNECTED COMMANDS
If a connection is established with an SSL server then any data received from the server is displayed and any key presses will be sent to the server. When used interactively (which means neither -quiet nor -ign_eof have been given), the session will be renegotiated if the line begins with an R, and if the line begins with a Q or if end of file is reached, the connection will be closed down.NOTES
s_client can be used to debug SSL servers. To connect to an SSL HTTP server the command:
openssl s_client -connect servername:443
would typically be used (https uses port 443). If the connection succeeds then an HTTP command can be given such as ``GET /'' to retrieve a web page.
If the handshake fails then there are several possible causes, if it is nothing obvious like no client certificate then the -bugs, -ssl2, -ssl3, -tls1, -no_ssl2, -no_ssl3, -no_tls1 options can be tried in case it is a buggy server. In particular you should play with these options before submitting a bug report to an OpenSSL mailing list.
A frequent problem when attempting to get client certificates working is that a web client complains it has no certificates or gives an empty list to choose from. This is normally because the server is not sending the clients certificate authority in its ``acceptable CA list'' when it requests a certificate. By using s_client the CA list can be viewed and checked. However some servers only request client authentication after a specific URL is requested. To obtain the list in this case it is necessary to use the -prexit option and send an HTTP request for an appropriate page.
If a certificate is specified on the command line using the -cert option it will not be used unless the server specifically requests a client certificate. Therefor merely including a client certificate on the command line is no guarantee that the certificate works.
If there are problems verifying a server certificate then the -showcerts option can be used to show the whole chain.
Since the SSLv23 client hello cannot include compression methods or extensions these will only be supported if its use is disabled, for example by using the -no_sslv2 option.
BUGS
Because this program has a lot of options and also because some of the techniques used are rather old, the C source of s_client is rather hard to read and not a model of how things should be done. A typical SSL client program would be much simpler.The -verify option should really exit if the server verification fails.
The -prexit option is a bit of a hack. We should really report information whenever a session is renegotiated.
SEE ALSO
sess_id(1), s_server(1), ciphers(1)
Index
This document was created by man2html, using the manual pages.
Time: 05:29:10 GMT, December 24, 2015


#assign n0_docs="active"> <#assign n1_testing="active">
Rob Opinion: I believe with respect to testing and persistence we are now in the "3rd age" of testing.
In the first age testing against real databases was generally too slow, expensive and difficult. Tests mocked/stubbed out all persistence (often via Repository API's). Tests only ran against real databases on an "integration server".
In the second age of testing in memory databases like H2 became available. This allowed developers to use these in memory databases rather than mocking out all persistence API's.
This resulted in far less mocking/stubbing used in tests.
The limitations of testing using in memory DB's like H2 for testing is around the functional difference compared to the "real" target database like Postgres or Oracle etc. Differences in types (e.g. UUID, Array, Json, Hstore, Range types) and features (sql functions, advanced locking, table partitioning etc).
The limitations with testing against H2 can now be addressed in this "third age" of persistence testing. Docker has made it easier to automate the install/setup of databases on developer machines. Developer machines are powerful enough to run tests fast enough against the "real" target database (where docker versions of databases are functionally the same as the real thing).
ebean-test
is provided to make testing against docker test containers
as simple and good as using H2. Developers new to a project can just git clone
and mvn clean test
and it "just works" without any setup steps.
For Postgres, MySql, SQL Server we can very successfully use docker test containers today. For the relatively heavier databases like Oracle, SAP Hana and DB2 we can be successful but there can be some argument for staying with H2 for testing depending on the situation.
Personally I have had great results using ebean-test / docker test containers over the last few years (largely Postgres). I highly recommend people look at this approach aiming for great test coverage, simpler test code and reduced variation between developer, CI and Production.
ebean-test also supports using ElasticSearch and Redis containers.
io.ebean ebean-test 13.6.5 test
Add into src/test/resources
a application-test.yaml
configuration file
that we use for testing.
ebean: test: platform: h2 #, h2, postgres, mysql, oracle, sqlserver, hana, clickhouse, sqlite ddlMode: dropCreate # none | dropCreate | migrations | create dbName: my_app
We can modify this test configuration to control what DDL is executed (create-all.sql or migrations) and the database platform we want to test against (potentially using docker).
mkdir ~/.ebean touch ~/.ebean/ignore-docker-shutdown
For running tests on CI servers we typically want to stop and remove the docker containers when the tests have completed. However, for local development we want to keep the docker containers running making it faster to run tests.
Adding a marker file ~/.ebean/ignore-docker-shutdown
means the docker containers
will stay running (which is good for local development).
ebean-test will take care of:
We use ebean.test.platform
to specify the database platform we want to use when running tests.
For example, we can specify h2, postgres, mysql etc as the platform to run the tests.
ebean: test: platform: postgres # h2, postgres, ... ddlMode: dropCreate # none | dropCreate | migrations | create dbName: my_app
ebean: test: platform: mariadb ddlMode: dropCreate # none | dropCreate | migrations | create dbName: my_app
For more details on each database platform see:
clickhouse
, cockroach
, db2
, h2
, hana
, mariadb
, mysql
, nuodb
, oracle
, postgres
, sqlite
, sqlserver
, yugabytedb
Most of the time we use dropCreate
mode which means that the database will
be dropped and then re-created before we run all the tests.
We use migrations to test database migrations.
| Mode | Description |
|---|---|
| dropCreate | Drop and then create all the tables etc. Most commonly used mode. |
| none | Do not run any DDL. Useful if we want to run 1 particular test without any DDL change. |
| migrations | Run the DB migration but first delete the database first ensuring the migration runs against a new database. |
| create | Run the create-all.sql DDL script but delete and recreate the database first. |
Note that dropCreate
will generate db-create-all.sql
and db-drop-all.sql
scripts and these can be found in the maven target
or gradle build
directory.
Ebean provides docker test containers for Postgres, MariaDB, MySql, SqlServer, Oracle, Hana, DB2, Clickhouse, CockroachDB, YugabyteDB, Redis, ElasticSearch plus DynamoDB and Localstack.
ebean-test automatically manages the docker containers and sets them up ready for running tests. As developers we just need to specify the platform (e.g. postgres) and Ebean will do the rest:
We can see/review what is occurring by increasing the logging for io.ebean.docker
to TRACE
. When we do that we can see log messages like:
... Docker test container start and setup 15:15:02.537 INFO io.ebean.docker.commands.Commands - Container ut_postgres running with port:6432 db:test_ex user:test_ex mode:Create shutdown: 15:15:02.538 DEBUG io.ebean.docker.commands.Commands - docker exec -i ut_postgres pg_isready -h localhost -p 5432 15:15:02.645 DEBUG io.ebean.docker.commands.Commands - docker exec -i ut_postgres psql -U postgres -c select datname from pg_database 15:15:02.753 DEBUG io.ebean.docker.commands.Commands - docker exec -i ut_postgres psql -U postgres -c select rolname from pg_roles where rolname = 'test_ex' 15:15:02.871 DEBUG io.ebean.docker.commands.Commands - docker exec -i ut_postgres psql -U postgres -c select 1 from pg_database where datname = 'test_ex' 15:15:02.960 DEBUG io.ebean.docker.commands.Commands - create database extensions hstore,pgcrypto 15:15:02.960 DEBUG io.ebean.docker.commands.Commands - docker exec -i ut_postgres psql -U postgres -d test_ex -c create extension if not exists hstore 15:15:03.058 DEBUG io.ebean.docker.commands.Commands - docker exec -i ut_postgres psql -U postgres -d test_ex -c create extension if not exists pgcrypto 15:15:03.143 DEBUG io.ebean.docker.commands.Commands - waitForConnectivity ut_postgres ... 15:15:03.143 DEBUG io.ebean.docker.commands.Commands - checkConnectivity on ut_postgres ... 15:15:03.190 DEBUG io.ebean.docker.commands.Commands - connectivity confirmed for ut_postgres 15:15:03.190 DEBUG io.ebean.docker.commands.Commands - Container ut_postgres ready with port 6432 ... 15:15:03.239 [main] INFO o.a.datasource.pool.ConnectionPool - DataSourcePool [db] autoCommit[false] transIsolation[READ_COMMITTED] min[2] max[200] 15:15:03.277 [main] INFO io.ebean.internal.DefaultContainer - DatabasePlatform name:db platform:postgres ... DDL Execution 15:15:03.618 [main] INFO io.ebean.DDL - Executing extra-dll - 0 statements 15:15:03.618 [main] INFO io.ebean.DDL - Executing db-drop-all.sql - 26 statements 15:15:03.649 [main] DEBUG io.ebean.DDL - executing 1 of 26 alter table if exists address drop constraint if exists fk_address_country_code 15:15:03.651 [main] DEBUG io.ebean.DDL - executing 2 of 26 drop index if exists ix_address_country_code ... 15:15:03.701 [main] INFO io.ebean.DDL - Executing db-create-all.sql - 28 statements 15:15:03.701 [main] DEBUG io.ebean.DDL - executing 1 of 28 create table address ( id bigserial not null, line1... 15:15:03.709 [main] DEBUG io.ebean.DDL - executing 2 of 28 create table contact ( id bigserial not null, first_n... ... 15:15:03.841 [main] INFO io.ebean.DDL - Executing extra-dll - 1 statements 15:15:03.842 [main] DEBUG io.ebean.DDL - executing 1 of 1 create or replace view order_agg_vw as select d.order_id as id, d.order_id as or...
To startup the docker containers ebean-test
hooks into the Ebean lifecycle.
This means that it will "just work" whether the tests are run from the IDE, maven, gradle or any build tool.
In prior iterations the startup of docker containers was hooked specifically into the maven lifecycle
but this proved to be less than ideal. This approach also avoids the need to modify test code.
This docker test container integration provides a similar developer experience to using H2 database. That is, ebean-test brings up the database (if needed), sets up the database user, roles, schema etc (if needed) and gets the database ready for testing by running DDL (typically drop and recreate tables etc) ... and then run all tests.
Developers new to a project can just git clone
and mvn clean test
and it "just works" without any setup steps (as long as the developer machine has docker installed).
On developer machines we generally want to keep the docker container running such that running tests is fast. For a developer running a single test via the IDE - most often this will just drop and recreate tables as the container is already running closely matching the speed of using in-memory H2.
To keep docker containers running on developer machines we put a marker file at
~/.ebean/ignore-docker-shutdown
.
On CI servers we want the docker containers to be stopped and removed at completion of tests. To do this we
set shutdown
to either remove
(to stop and remove the container) or stop
(to just stop the container).
ebean: test: shutdown: remove # stop | remove platform: postgres # h2, postgres, mysql, oracle, sqlserver ddlMode: dropCreate # none | dropCreate | migrations dbName: my_app
If we don't want to start and run a Docker container but instead test against some other existing database we can
do that via setting useDocker: false
.
The below configuration runs against an existing Postgres database. Typically when not using docker we need to set the username, password and url to appropriate values.
When we are using useDocker: false
the database and user are expected to already exist.
ebean: test: useDocker: false ## DO NOT USE DOCKER platform: postgres # h2, postgres, mysql, oracle, sqlserver ddlMode: dropCreate # none | dropCreate | migrations | create dbName: test postgres: username: test password: test url: jdbc:postgresql://localhost:5432/test
ebean-test will automatically register a current user provider and a current tenant provider. These are only set if you don't set them yourself.
This means is that without doing anything we can use @WhoCreated / @WhoModified
in tests and via io.ebean.test.UserContext
we can set current user and tenant in tests.
// set the current userId which will be put // into 'WhoCreated' and 'WhoModified' properties UserContext.setUserId("U1");
If we are NOT using ebean-test
then we need to set appropriate properties to
control the generation and running of DDL. We use the properties below to control DDL generation
and execution of db-create-all.sql
and db-drop-all.sql
.
| Property | Description |
|---|---|
| ddl.generate | Set to true to generate the db-create-all.sql and db-drop-all.sql DDL scripts. |
| ddl.run | Set to true to run the db-create-all.sql, db-drop-all.sql and extra DDL scripts |
| ddl.createOnly | Set to true to run the db-create-all.sql but NOT run the db-drop-all.sql. Mostly used with H2 database in-memory testing when we know that the database is not populated / there are no tables to drop first. |
| ddl.initSql | Specify a SQL script to run prior to running the create-all ddl. |
| ddl.seedSql | Specify a SQL script to run after to running the create-all ddl. Typically this inserts seed data into the test database. |
| ebean.migraton.run | Set to true or false to run the migrations when the EbeanServer starts |
ebean.db.ddl.generate=true ebean.db.ddl.run=true ebean.db.ddl.initSql=initialise-test-db.sql ebean.db.ddl.seedSql=seed-test-db.sql datasource.db.username=sa datasource.db.password= datasource.db.databaseUrl=jdbc:h2:mem:tests datasource.db.databaseDriver=org.h2.Driver
We can use ScriptRunner
to runs DDL and SQL scripts.
Typically these are scripts used for testing such as seed SQL scripts
or truncate SQL scripts.
Scripts are executed in their own transaction and committed on successful completion.
Database database = DB.getDefault(); database.script().run("/scripts/test-script.sql");
Map<|String,String> placeholders = new HashMap(); placeholders.put("tableName", "e_basic"); Database database = DB.getDefault(); database.script().run("/scripts/test-script.sql", placeholders);
In our SQL scripts the way to reference the placeholder is:
delete from ${r"${tableName}"}
select count(*) from ${r"${tableName}"}
Notice that, the path to the script should start with "/". Ebean will load the script as a
resource using this.getClass().getResource(PATH_TO_RESOURCE)
so the resource should be
available in the class path.
With Ebean we can use ElasticSearch by itself without another database (Postgres etc) or we can use ElasticSearch in conjunction with another [source of truth] database (Postgres etc).
To automatically start ElasticSearch as a docker container set ebean.docstore
properties like those below in application-test.yaml:
ebean: test: platform: h2 ddlMode: dropCreate # none | dropCreate | migrations | create dbName: myapp docstore: url: http://<IP_ADDRESS>:9201 active: true generateMapping: true dropCreate: true elastic: version: 5.6.0 port: 9201
Goto database / elasticsearch for more details.
When we want to use Redis for L2 caching we can get ebean-test
to automatically
start a redis docker test container. To do this add ebean.test.redis=latest
property like the example below:
ebean: test: redis: latest platform: h2 # h2, postgres, mysql, oracle, sqlserver, sqlite ddlMode: dropCreate # none | dropCreate | migrations | create dbName: my_app
Goto database / redis for more details.
<@next_edit "CI Testing" "/docs/ci-testing" "/docs/testing/index.html"/>


Beulah, Mississippi, 1970
Southern Female Rights Union
Jo Freeman
Political scientist
Feminist
Natural reaction against the over-structured society
Good for consciousness-raising
Bad for achieving more concrete goals
People would try to use the "structureless" group [...] out of a blind belief that no other means could possibly be anything but oppressive.
There is nothing inherently bad about either of [organization and structure].
there is no such thing as a structureless group
What does define the structure of a group?
Distribution of tasks, power and resources.
The power of decision-making.
[...] way of masking power.
[...] awareness of power is limited to those who know the rules [of how decisions are made].
[...] groups which have not been deliberately structured in a particular manner [form] the basis for elites.
Networks of friends might compete for power
It's clear who is taking and who is giving power
People taking the power might be accountable
People giving the power might claim their interests
In any profession or organization these networks have created the "locker room" mentality and the "old school" ties which have effectively prevented women as a group [...] from having equal access to the sources of power or social reward.
Much of the energy of past women's movements has been directed to having the structures of decision-making and the selection processes formalized so that the exclusion of women could be confronted directly.
Background, personality, allocation of time
X
Competence, dedication, talents, contributions
Having an established process for decision-making ensures that everyone can participate in it to some extent.
By forcing people onto roles they weren't chosen to play
E.g., the "star" women in the women's liberation movement
As long as friendship groups are the main means of organizational activity, elitism becomes institutionalized.
The lack of proper tasks distribution puts people against each other
The more unstructured a movement is, the less control it has over the directions in which it develops and the political actions in which it engages.
Some middle ground between domination and ineffectiveness can and must be found.
How to (formally?) structure a group?
When these principles are applied, [the] group will have the power to determine who shall exercise authority within it.


Facial recognition Image matching using tfjs and face-api
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List of all members.
Detailed Description
The class Layout is the base class for all layouts.
- Note:
- The ownership and lifetime of objects of this class are managed. See Object ownership for more details.
Constructor & Destructor Documentation
| Log4Qt::Layout::Layout |
( |
QObject * |
pParent = 0 |
) |
[inline] |
| Log4Qt::Layout::~Layout |
( |
|
) |
[inline, virtual] |
Member Function Documentation
| virtual void Log4Qt::Layout::activateOptions |
( |
|
) |
[virtual] |
| virtual QString Log4Qt::Layout::contentType |
( |
|
) |
const [virtual] |
| static QString Log4Qt::Layout::endOfLine |
( |
|
) |
[static] |
Returns the end of line seperator for the operating system.
Windows: \r\n Mac: \r UNIX: \n
| QString Log4Qt::Layout::footer |
( |
|
) |
const |
| virtual QString Log4Qt::Layout::format |
( |
const LoggingEvent & |
rEvent |
) |
[pure virtual] |
| QString Log4Qt::Layout::header |
( |
|
) |
const |
| QString Log4Qt::Layout::name |
( |
|
) |
const [inline] |
| void Log4Qt::Layout::setFooter |
( |
const QString & |
rFooter |
) |
[inline] |
| void Log4Qt::Layout::setHeader |
( |
const QString & |
rHeader |
) |
[inline] |
| void Log4Qt::Layout::setName |
( |
const QString & |
rName |
) |
[inline] |
Property Documentation
QString Log4Qt::Layout::footer [inline, read, write] |
QString Log4Qt::Layout::footercontentType [read] |
The property holds the content type of the layout.
- See also:
- contentType()
QString Log4Qt::Layout::header [inline, read, write] |
The documentation for this class was generated from the following file:


--- layout: page title: "About" description: "This is what I do." header-img: "img/about-bg.jpg" ---
Married for 3 years or so and father of a toddler.
Currently a full stack developer at General Motors. Last year and half have been building applications with Java backend and AngualrJS frontend.
Love playing and watching basketball and football. Love to waterski, dirt bike and snow ski.


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Collections of Pundit annotations involving the selected resources. Browse them in Ask.thepPund.it


Stilo is a utility-first Flutter library that gives you all of the building constants you need to build designs without defining common styles.
Use the package manager pub to install Stilo.


--- layout: archive title: Zulip Chat Archive permalink: /stream/113488-general/topic/inconsistency.20of.20theorem.20naming.html ---
#check list.index_of_nth_le _ /- list.nth_le ?M_4 (list.index_of ?M_3 ?M_4) ?M_5 = ?M_3 -/ #check list.nth_le_index_of _ _ _ /- list.index_of (list.nth_le ?M_3 ?M_5 ?M_6) ?M_3 = ?M_5 -/ #check list.nth_le_of_fn _ _ /- list.nth_le (list.of_fn ?M_3) (?M_4.val) _ = ?M_3 ?M_4 -/
all three examples consist of a function followed by another function in the name
in the last example, the actual order in the statement is the same as the order in the name, i.e. nth_le
and then of_fn
but in the first two examples, the order is swapped
{% endraw %}Last updated: Apr 24 2020 at 19:02 UTC


I am a Lecturer at the Department of Chemical Engineering, University of Bath. My research interests focus on two main areas: catalyst design and reactor engineering. In particular, the development of microreactors and new hybrid photo-electrocatalysts that can be applied in environmental processes such as artificial photosynthesis.
Previously I was a postdoctoral researcher at the University of Cambridge in the Catalysis and Process Integration Group. Before that I was a postdoctoral researcher at the University of Warwick, and a Research Scientist at Stoli Catalysts. I obtained my PhD from the Universidad de Castilla-La Mancha where I also studied as an undergraduate. I have also recieved a Master's degree in Renewable Energy from Universidad Autónoma de Madrid.
Email<EMAIL_ADDRESS>Address: 9 WEST Room 2.04E, University of Bath, Claverton Down, Bath, BA2 7AY, United Kingdom
[ Bath profile | ORCID | Scopus | Researchgate | Google Scholar | LinkedIn | Twitter ]


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assignment 7.4 How the Internet Works?
April 13th
Due after April Break
Reflections on how the Internet works
Reflections on how the Internet works
assignment 7.2 What is the Internet?
April 13th
Due after April Break
Reflections on "What is the Internet?"
Reflections on "What is the Internet?"
assignment 6.5 Abstracting Data to the Web
January 29th
Due January 30th
Reflections on how to abstract data to the web.
Reflections on how to abstract data to the web.
assignment 6.4 Data + Information
January 25th
Due January 26th
Reflections on the Data and Information lesson.
Reviews the data visualization found here
Reflections on the Data and Information lesson.
Reviews the data visualization found here
assignment 6.2 Presidents Quiz
January 12th
Due January 12th
Reflections on the Presidents Quiz. See "Creative Projects" for project reflections and APK
Reflections on the Presidents Quiz. See "Creative Projects" for project reflections and APK
assignment 5.5 + 5.6 Pong Game, Debugging
November 18th
Due November 18th
Reflections on the Pong game and debugging one with errors.
Reflections on the Pong game and debugging one with errors.
assignment 5.8 Limits of Algorithms
November 14th
Due November 14th
Reflections on the limits of algorithms
Reflections on the limits of algorithms
assignment 3.7 Parity Error Checking
October 14th
Due October 14th
Reflections on parity error checking
Reflections on parity error checking
assignment 3.6 Error Detection
October 14th
Due October 14th
Reflections on error detection processes
Reflections on error detection processes
assignment 3.8 Magic 8 Ball
-> October 14th
Late October over course of a week. Started in class, finished for homework
Reflections on the 8 Ball Project! The download for the apk is listed under Creative Projects
Reflections on the 8 Ball Project! The download for the apk is listed under Creative Projects
assignment 3.2 Paint Pot Tutorial
September 26th - 28th
September 26th - 28th
Tutorial on creating a canvas you can paint on.
Tutorial on creating a canvas you can paint on.
assignment 2.03 I Have a Dream Part 2
Assignment Date
When the assignment was given, completed, etc.
Description of assignment goes here
Description of assignment goes here
assignment 2.02 I Have a Dream Part 1
Assignment Date
When the assignment was given, completed, etc.
Description of assignment goes here
Description of assignment goes here