Bugs are an inherent part of any project, that’s why we need debugging.
In this lesson we’ll learn about debugging Elixir code as well as static analysis tools to help find potential bugs.
Table of Contents
IEx
The most straightforward tool we have for debugging Elixir code is IEx.
But don’t be fooled by its simplicity - you can solve most of the issues with your application by it.
IEx means Elixir's interactive shell
.
You could have already seen IEx in one of the previous lessons like Basics where we ran Elixir code interactively in the shell.
The idea here is simple.
You get the interactive shell in the context of the place you want to debug.
Let’s try it.
To do that, create a file named test.exs
and put this into the file:
defmodule TestMod do
def sum([a, b]) do
b = 0
a + b
end
end
IO.puts(TestMod.sum([34, 65]))
And if you run it - you’ll get an apparent output of 34
:
$ elixir test.exs
warning: variable "b" is unused (if the variable is not meant to be used, prefix it with an underscore)
test.exs:2
34
But now let’s get to the exciting part - the debugging.
Put require IEx; IEx.pry
in the line after b = 0
and let’s try running it once again.
You’ll get something like this:
$ elixir test.exs
warning: variable "b" is unused (if the variable is not meant to be used, prefix it with an underscore)
test.exs:2
Cannot pry #PID<0.92.0> at TestMod.sum/1 (test.exs:5). Is an IEx shell running?
34
You should note that vital message.
When running an application, as usual, IEx outputs this message instead of blocking execution of the program.
To run it properly you need to prepend your command with iex -S
.
What this does is it runs mix
inside the iex
command so that it runs the application in a special mode, such that calls to IEx.pry
stop the application execution.
For example, iex -S mix phx.server
to debug your Phoenix application. In our case, it’s going to be iex -r test.exs
to require the file:
$ iex -r test.exs
Erlang/OTP 21 [erts-10.3.1] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [hipe] [dtrace]
warning: variable "b" is unused (if the variable is not meant to be used, prefix it with an underscore)
test.exs:2
Request to pry #PID<0.107.0> at TestMod.sum/1 (test.exs:5)
3: b = 0
4:
5: require IEx; IEx.pry
6:
7: a + b
Allow? [Yn]
After responding to the prompt via y
or pressing Enter, you’ve entered the interactive mode.
$ iex -r test.exs
Erlang/OTP 21 [erts-10.3.1] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:1] [hipe] [dtrace]
warning: variable "b" is unused (if the variable is not meant to be used, prefix it with an underscore)
test.exs:2
Request to pry #PID<0.107.0> at TestMod.sum/1 (test.exs:5)
3: b = 0
4:
5: require IEx; IEx.pry
6:
7: a + b
Allow? [Yn] y
Interactive Elixir (1.8.1) - press Ctrl+C to exit (type h() ENTER for help)
pry(1)> a
34
pry(2)> b
0
pry(3)> a + b
34
pry(4)> continue
34
Interactive Elixir (1.8.1) - press Ctrl+C to exit (type h() ENTER for help)
iex(1)>
BREAK: (a)bort (c)ontinue (p)roc info (i)nfo (l)oaded
(v)ersion (k)ill (D)b-tables (d)istribution
To quit IEx, you can either hit Ctrl+C
two times to exit the app, or type continue
to go to the next breakpoint.
As you can see, you can run any Elixir code.
However, the limitation is that you can’t modify variables of existing code, due to language immutability.
However, you can get values of all the variables and run any computations.
In this case, the bug would be in b
reassigned to 0, and sum
function being buggy as a result.
Sure, language has already caught this bug even on the first run, but that’s an example!
IEx.Helpers
One of the more annoying parts of working with IEx is it has no history of commands you used in previous runs.
For solving that problem, there is a separate subsection on IEx documentation, where you can find the solution for your platform of choice.
You can also look through the list of other available helpers in IEx.Helpers documentation.
Dialyxir and Dialyzer
The Dialyzer, a DIscrepancy AnaLYZer for ERlang programs is a tool for static code analysis. In other words they read but do not run code and analyse it e.g. looking for some bugs, dead, unnecessary or unreachable code.
The Dialyxir is a mix task to simplify usage of Dialyzer in Elixir.
Specifications help tools, like Dialyzer, better understand your code.
Unlike documentation, which is human readable (if it exists and is well written), @spec
uses a formal syntax better understood by tooling.
Let’s add Dialyxir to our project.
The simplest way is to add dependency to mix.exs
file:
defp deps do
[{:dialyxir, "~> 0.4", only: [:dev]}]
end
Then we call:
$ mix deps.get
...
$ mix deps.compile
The first command will download and install Dialyxir. You may be asked to install Hex along with it. The second compiles the Dialyxir application. If you want to install Dialyxir globally, please read its documentation.
The last step is to run Dialyzer to rebuild the PLT (Persistent Lookup Table). You need to do this every time after installation of a new version of Erlang or Elixir. Fortunately, Dialyzer will not try to analyze standard library every time that you try to use it. It takes a few minutes for the download to complete.
$ mix dialyzer --plt
Starting PLT Core Build ...
this will take awhile
dialyzer --build_plt --output_plt /.dialyxir_core_18_1.3.2.plt --apps erts kernel stdlib crypto public_key -r /Elixir/lib/elixir/../eex/ebin /Elixir/lib/elixir/../elixir/ebin /Elixir/lib/elixir/../ex_unit/ebin /Elixir/lib/elixir/../iex/ebin /Elixir/lib/elixir/../logger/ebin /Elixir/lib/elixir/../mix/ebin
Creating PLT /.dialyxir_core_18_1.3.2.plt ...
...
done in 5m14.67s
done (warnings were emitted)
Static analysis of code
Now we’re ready to use Dialyxir:
$ mix dialyzer
...
examples.ex:3: Invalid type specification for function 'Elixir.Examples':sum_times/1.
The success typing is (_) -> number()
...
The message from Dialyzer is clear: the return type of our function sum_times/1
is different than declared.
This is because Enum.sum/1
returns a number
and not a integer
but the return type of sum_times/1
is integer
.
Since number
is not integer
we get an error.
How do we fix it? We need to use the round/1
function to change our number
to an integer
:
@spec sum_times(integer) :: integer
def sum_times(a) do
[1, 2, 3]
|> Enum.map(fn el -> el * a end)
|> Enum.sum()
|> round
end
Finally:
$ mix dialyzer
...
Proceeding with analysis...
done in 0m0.95s
done (passed successfully)
Using specifications with tools to perform static code analysis helps us make code that is self-tested and contains less bugs.
Debugging
Sometimes static analysis of code is not enough.
It may be necessary to understand the execution flow in order to find bugs.
The simplest way is to put output statements in our code like IO.puts/2
to track values and code flow, but this technique is primitive and has limitations.
Thankfully for us, we can use the Erlang debugger to debug our Elixir code.
Let’s look at a basic module:
defmodule Example do
def cpu_burns(a, b, c) do
x = a * 2
y = b * 3
z = c * 5
x + y + z
end
end
Then run iex
:
$ iex -S mix
And run debugger:
iex > :debugger.start()
{:ok, #PID<0.307.0>}
The Erlang :debugger
module provides access to the debugger.
We can use the start/1
function to configure it:
- An external configuration file can be used by passing the file path.
- If the argument is
:local
or:global
then debugger will::global
– debugger will interpret code on all known nodes. This is default value.:local
– debugger will interpret code only on current node.
The next step is to attach our module to debugger:
iex > :int.ni(Example)
{:module, Example}
The :int
module is an interpreter that gives us the ability to create breakpoints and step through the execution of the code.
When you start the debugger you will see a new window like this:
After we’ve attached our module to the debugger it will be available in the menu on the left:
Creating breakpoints
A breakpoint is a point in the code where execution will be halted. We have two ways of creating breakpoints:
:int.break/2
in our code- The debugger’s UI
Let’s try to create a breakpoint in IEx:
iex > :int.break(Example, 8)
:ok
This sets a breakpoint on line 8 of the Example
module.
Now when we call our function:
iex > Example.cpu_burns(1, 1, 1)
Execution will be paused in IEx and the debugger window should look like this:
An additional window with our source code will appear:
In this window we can look up the value of variables, step forward to next line, or evaluate expressions.
:int.disable_break/2
can be called in order to disable a breakpoint:
iex > :int.disable_break(Example, 8)
:ok
To re-enable a breakpoint we can call :int.enable_break/2
or we can remove a breakpoint like this:
iex > :int.delete_break(Example, 8)
:ok
The same operations are available in the debugger window. In the top menu, Break, we can select Line Break and setup breakpoints. If we select a line that does not contain code then breakpoints will be ignored, but it will appear in the debugger window. There are three types of breakpoints:
- Line breakpoint — debugger suspends execution when we reach the line, setup with
:int.break/2
- Conditional breakpoint — similar to the line breakpoint but the debugger suspends only when the specified condition is reached, these are setup using
:int.get_binding/2
- Function breakpoint — debugger will suspend on first line of a function, configured using
:int.break_in/3
That’s all! Happy debugging!
Caught a mistake or want to contribute to the lesson? Edit this page on GitHub!


Web | Mobiles | Icons.
Prototyping | Wireframing | Storyboarding
Research | Client engagement | Data Analysis
Branding | Logo | Business cards | illustrations | Posters
Fitness Me is a mobile application that allows users to track their fitness performance with their own customized settings.
This application is a self-diagonsis concept in which users are able to input their problems and find out the necessary information they would need in-order to treat themselves.
Feed Me now is a tinder for food type of concept making it much easier find nearby eateries. Pick any category; restaurants, fast foods, cafés, etc and find what's near you.
FreeLancR is a mobile application that allows users to find and post freelancing jobs in the area. Giving a platform for those that are just starting their business or just working on expanding it.
Pay as you go is a mobile application that helps ease up the process of filling up gas. Users can choose from getting the type of gas they want, how much of it they want, and either wanting it delivered to their doorstep or pre-paying before going to fill it up themselves.
TrackR is a concept I came up with that tracks your internet usage which is connected directly to your internet provider. You are able to see your usuage, make payments, track your history and check the status if anything wasn't working.
Guess the Animal is an interactive learning game designed for kids to teach them about wildlife animals.
Study Buddy is an application concept that I came up with to help students make friends/study buddies easier. Those that have trouble or are too shy talking to their classmates in real life can use the application to help ease into it. From there they can hopefully build a lasting friendship or connection for the future.
An different perspective of Study Buddy.
An overview perspective of StudyBudy.
Another automotive concept to track your full car performance. Mainly focused for luxury cars.
Make It Happen is an application that allows you to invite friends to an event that you've made or want to go to with incentives of actually going to it.
A quick iMessage concept I came up with that allows you to customize your chat theme instead of the ordinary blue and grey colors.
Personally I would perfer when the chat boxes are different colors because it's easier to distinguish between who I'm speaking to in group chats.


We can access: {{ rootProperty }} and {{ parentProperty }} and {{ childProperty }}
We can access: {{ rootProperty }} and {{ parentProperty }} and {{ childProperty }}
We can access: {{ rootProperty }} and {{ parentProperty }} and {{ childProperty }}
{{fullSentenceFromChild}}, We can access: {{ rootProperty }} and {{ parentProperty }} and {{ childProperty }}


We have a Getting Started guide so you can be up and running with Bitcoin quickly and safely.
Install4j by EJ Technologies GmBH was used to create our installers. If you're a Java developer needing an installer solution you should check them out.
Please note that for security reasons we do not support Windows XP and below.
This is the default installer and is suitable for Windows Vista and higher.
Double click the installer - it is signed by one of the MultiBit HD developers in the name of “James Burton”. Work through the installer - accepting the defaults is normally the easiest.
If you have a firewall set up when you first open MultiBit HD you will be asked by Windows if you want MultiBit HD to communicate over your internet connection. MultiBit HD needs to communicate with the Bitcoin network and the multibit.org server so permit this access.
We maintain a 32-bit Windows installer for maximum backwards compatibility with Windows Vista on 32-bit architectures.
The installation process is the same as for the 64-bit version.
No. It has too many security issues to be viable for Bitcoin software outside of a highly controlled environment.
Here are some related articles:


Telangana bags Swachh Sarvekshan Grameen award
30-day action plan in villages brought about huge change: Minister
by Special CorrespondentTelangana has bagged the ‘Swachh Sarvekshan Grameen-2019’ award that Minister for Panchayat Raj and Rural Development Errabelli Dayakar Rao received from Union Minister for Chemicals and Fertilizers at a function held in New Delhi on Tuesday.
Speaking after receiving the award, Mr. Dayakar Rao said sanitation in the rural areas has greatly improved with constant efforts of the State government. It was possible only with the initiative of officials and elected representatives, including sarpanches.
He stated that Palle Pragathi programme, a 30-day action plan implemented to improve sanitation in the villages from September 6 to October 5, had brought in a huge change the way sanitation was dealt with in the villages, he said. The improvement of sanitation also included the institutions like schools, anganwadi centres, public health centres, weekly markets and other common public places after the 30-day programme.
The State government is also planning a dumping yard in every village as part of further improving the sanitation, the Minister explained. Secretary in the Department of Drinking Water and Sanitation, Parameswaran Iyer and Panahcyat Raj Commissioner of Telangana M. Raghunandan Rao participated in the event.


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- ACCESSOR - Static variable in class org.jamplate.impl.Component
-
The key of the accessor component.
- Address - Class in org.jamplate.impl
-
Commonly used memory addresses.
- address - Variable in class org.jamplate.impl.instruction.AllocAddrConst
-
The address to allocate to.
- address - Variable in class org.jamplate.impl.instruction.AllocAddrExecInstr
-
The address to allocate to.
- address - Variable in class org.jamplate.impl.instruction.CpedAddrXinstr
-
The address to allocate the captured text to.
- address - Variable in class org.jamplate.impl.instruction.FallocAddrConst
-
The address to allocate to.
- address - Variable in class org.jamplate.impl.instruction.FpedAddrExecInstrXinstr
-
The address to allocate the item of each iteration to.
- address - Variable in class org.jamplate.impl.instruction.FreeAddr
-
The address to be freed.
- address - Variable in class org.jamplate.impl.instruction.PushDefAddr
-
The address.
- address - Variable in class org.jamplate.impl.instruction.PushEvalAddr
-
The address to push the value of evaluating it.
- address - Variable in class org.jamplate.impl.instruction.PushGetAddrExecInstr
-
The address to evaluate.
- address - Variable in class org.jamplate.impl.instruction.PushNdefAddr
-
The address.
- address - Variable in class org.jamplate.impl.instruction.PutAddrExecInstr0ExecInstr1
-
The address to put to.
- address - Variable in class org.jamplate.impl.instruction.RepllocAddrExecInstr
-
The address to allocate to.
- address - Variable in class org.jamplate.impl.instruction.RepreeAddr
-
The address to be freed.
- AllocAddrConst - Class in org.jamplate.impl.instruction
-
ALLOC( ADDR , CONST )
- AllocAddrConst(String, String) - Constructor for class org.jamplate.impl.instruction.AllocAddrConst
-
Construct a new instruction that allocates the given constant
to the given
address
at the heap.
- AllocAddrConst(Tree, String, String) - Constructor for class org.jamplate.impl.instruction.AllocAddrConst
-
Construct a new instruction that allocates the given constant
to the given
address
at the heap.
- AllocAddrExecInstr - Class in org.jamplate.impl.instruction
-
ALLOC( ADDR , EXEC( INSTR ) )
- AllocAddrExecInstr(String, Instruction) - Constructor for class org.jamplate.impl.instruction.AllocAddrExecInstr
-
Construct a new instruction that allocates the results from executing the given
instruction
to the given address
at the heap.
- AllocAddrExecInstr(Tree, String, Instruction) - Constructor for class org.jamplate.impl.instruction.AllocAddrExecInstr
-
Construct a new instruction that allocates the results from executing the given
instruction
to the given address
at the heap.
- analyze(Compilation, Tree) - Method in class org.jamplate.impl.analyzer.ConditionTransformAnalyzer
-
- analyze(Compilation, Tree) - Method in class org.jamplate.impl.analyzer.RecursiveAnalyzer
-
- analyze(Compilation, Tree) - Method in class org.jamplate.impl.analyzer.SequentialAnalyzer
-
- analyze(Compilation, Tree) - Method in interface org.jamplate.model.function.Analyzer
-
Analyze the given tree
and its relative trees.
- analyzer - Variable in class org.jamplate.impl.analyzer.RecursiveAnalyzer
-
The wrapped analyzer.
- ANALYZER - Static variable in class org.jamplate.impl.Jamplate
-
The default jamplate analyzer.
- analyzer - Variable in class org.jamplate.impl.processor.AnalyzerProcessor
-
The analyzer.
- Analyzer - Interface in org.jamplate.model.function
-
A function that analyzes the trees given to it and modify them (if necessary) depending
on its analytic results.
- ANALYZER_PROCESSOR - Static variable in class org.jamplate.impl.Jamplate
-
A processor for the jamplate analyzer.
- AnalyzerProcessor - Class in org.jamplate.impl.processor
-
A processor that analyzes the root trees of the compilations given to it using a
pre-specified analyzer.
- AnalyzerProcessor(Analyzer) - Constructor for class org.jamplate.impl.processor.AnalyzerProcessor
-
Construct a new processor that analyzes the root trees of the compilations given to
it using the given analyzer
.
- analyzers - Variable in class org.jamplate.impl.analyzer.SequentialAnalyzer
-
The analyzers used by this analyzer.
- Analyzers - Class in org.jamplate.impl
-
Jamplate analyzers.
- asJSONArray(Object) - Static method in class org.jamplate.impl.util.JSONUtil
-
Convert the given object
into a json array.
- asJSONObject(Object) - Static method in class org.jamplate.impl.util.JSONUtil
-
Convert the given object
into a json object.


becasuse any change I make ... miners can just revert at any time
wait... this isnt too hard
blackjok3r08-Jan-19 02:33 PM
The way the code works above its taking the total value to calc the priority and you were importing such a small amount you have no priority.
I have a fix, I think....
I made the export 0.0001 flat tx fee, and changing the code that does it to calc its actual ytx fee. I think if this works., we need to bring back export_amount but copy the same check the mempool usues to check for absurd tx fees there.
@TonyL
TonyL08-Jan-19 02:48 PM
@blackjok3r Sounds cool
blackjok3r08-Jan-19 02:48 PM
seems harder tahn that... just going to set imports to max and see if that helps first
problem is my nodes mempool isnt fillingh here .. I ahev a node who is full, but if I restart it then ti may empty again.... mempool seems a little weird(edited)
yeah its limiting 2 per block for some reason... never been noticed befrore lol
I think we always used 1 coin or more
0.001 is whats done it... I think
treating it as 0 fee
TonyL08-Jan-19 02:51 PM
Bottleneck, cool
blackjok3r08-Jan-19 02:51 PM
thanks for finding it
1
TonyL08-Jan-19 02:53 PM
No problem, sure. As soon as we avoid this limitation I think more edge cases finding is possible (let's say interesting what will happen if we'll fill blocks)
Btw could you pls merge: https://github.com/StakedChain/PoS_scripts/pull/3 ?
got 2 tx in mempool so far, might get a drink... this is taking a while
TonyL08-Jan-19 03:04 PM
If you need to fill a mempool - my latest script should do it ez
blackjok3r08-Jan-19 03:05 PM
problem is that the mempool on one node is stuck there and not sending
I can fill another ...
CrisF08-Jan-19 03:05 PM
Tony has a MigrationBlaster
TonyL08-Jan-19 03:05 PM
Hmm
blackjok3r08-Jan-19 03:05 PM
but not sure thats the best wayt here
TonyL08-Jan-19 03:05 PM
@CrisF NodeMempoolFeker3000
2
I've tried to blast on one node only (which is my notary), so can't advice much on it :/
blackjok3r08-Jan-19 03:07 PM
pushed change...
need to get code to oother node...
shoudl be safe... adds flat 0.0001 fee to all imports, and sets the dPriority to the same as a notarisation, for imports(edited)
if this helps we can go from there
I did migrate of 1 coin, and went through instantly
so this is the issue.
TonyL08-Jan-19 03:10 PM
Not txs quantity but tx amount?
blackjok3r08-Jan-19 03:10 PM
the nValue
TonyL08-Jan-19 03:11 PM
From which repo/branch possible to take these changes for test?
blackjok3r08-Jan-19 03:11 PM
its setting its priority as a flat multipler of of the tx nValue (yours was very small)... combined with the code I made to prevent imports from having a fee (not that they used one before) this has the effect of making all your imports treated as a free tx... only 1-2 tx per block allowed
master
Pretty sure a miner just ahs to run new code and mempool will clear fast... not a proper solution though, miner doesnt liek getting no fees and will just change the code.
we can allow fees, but prevent absurd... might make stress test more interesting... more fees means tx confirmed faster
CrisF08-Jan-19 03:15 PM
I'd better save up some coins if I'm going to be paying 99.999% fees.
blackjok3r08-Jan-19 03:15 PM
you cant
it wont let you.... that was the entire reson I prevented anyone playing fees
TonyL08-Jan-19 03:16 PM
Fee is 0.0001
blackjok3r08-Jan-19 03:16 PM
it is now
flat fee
fast fix
should be user settable
TonyL08-Jan-19 03:16 PM
I dont think that somebody will want to transfer 1 satoshi or so between chains
CrisF08-Jan-19 03:16 PM
Yeah, up to 99.999
TonyL08-Jan-19 03:16 PM
Not much business cases
blackjok3r08-Jan-19 03:16 PM
I think the idea was even liek 1 or 2 wasnt to be done... which is why the code is like it is
no matter we can fix it
if you want to send a tiny amount, jsut use a fee
like inverse banks
restarted remote node.... mempool is empty
seems mempool is got a bunch of orphaned tx in it maybe
Does your script reboradcast constantly? Like mine?
TonyL08-Jan-19 03:20 PM
Depends of part
Usaully it's just trying to broadcast one tx from the list(edited)
blackjok3r08-Jan-19 03:21 PM
particularly important on the last tx I think.
TonyL08-Jan-19 03:21 PM
And in case of error sleep
To be as gentle as possible
blackjok3r08-Jan-19 03:21 PM
this could also be the problem... not sure though just thinking
TonyL08-Jan-19 03:21 PM
Rebuilding node - will try to blast again then
blackjok3r08-Jan-19 03:22 PM
just did 1000 1 per second
see what happens
Y->X
CrisF08-Jan-19 03:26 PM
I see them flying by in explorer
blackjok3r08-Jan-19 03:27 PM
I ahd to start a mining node ... the constant rebroadcast every second was starting to break things
320 in
damn these VMs on a single 600GB HDD ... so slow ... kkmd wasnt running takes liek 10 minutes to load lol
CrisF08-Jan-19 03:29 PM
The value out is different on the transactions.
blackjok3r08-Jan-19 03:30 PM
change
CrisF08-Jan-19 03:30 PM
seeeing between 6000 and 9999
blackjok3r08-Jan-19 03:30 PM
value out includes change
itys jsut the size of the input utxo - txfee I think
CrisF08-Jan-19 03:31 PM
Ahh..
blackjok3r08-Jan-19 03:32 PM
LOl whgen my kmd loads they are all going to end up on import at the same time
600
CrisF08-Jan-19 03:34 PM
This would look ver good in that visualization smk posted earlier.
1
1
blackjok3r08-Jan-19 03:35 PM
777
1
CrisF08-Jan-19 03:37 PM
Wait till we get 20+ people spamming with Tony's blaster, haha. TBe interesting to see the explorer trying to keepup.
blackjok3r08-Jan-19 03:38 PM
his blaster has to work first
1
1
kmd loaded
I had a great idea for a blaster.... but with oracles loggin it wont work
CrisF08-Jan-19 03:39 PM
That's easy, you just need 2 blasters. First one for the oracle, hehe
blackjok3r08-Jan-19 03:40 PM
if oracle is a seperate chain or 2 ... might still work
Idea is to leverage cleanwallettransactions and have exactly 1000 utxo... create raw tx with each of them... migrate...
Then on other chain when receive send them back.
ping pong blaster
CrisF08-Jan-19 03:42 PM
blackjok3r08-Jan-19 03:42 PM
pretty sure using createraw we can choose our inputs that make creating exports heaps faster.(edited)
as soon as import arrives send it back
whole utxo .. .no change no bloat wallet
TonyL08-Jan-19 03:44 PM
Started migrations, let's see what happens now
CrisF08-Jan-19 03:44 PM
The biggest time consumer in migrations is notarizations, right?
blackjok3r08-Jan-19 03:44 PM
yes...
however ... which your waiting you can have an entire block of tx waiting fdor a notarisation
just can hit the daemon with rpc all at the same time


Working at Dataport, I especially improved on architectural aspects of software development and applying SOLID principles in practice. By contributing to an in-house framework I learned about carefully managing dependencies and using semantic versioning. I was involved in setting up CI and CD with TFS in multiple projects. I learned a lot about focused development of solutions by applying principles like SCRUM, Domain Driven Design and Test Driven Development.
The projects I worked on dealt with several problems from the domain of public administration and government, like management of areas, administration of schools and support of public projects.
I contributed to solutions developed with Angular + Angular Material in TypeScript, which includes working with npm, jasmine, karma and also jest. By using MongoDB in a project I was able to gain experience with NoSQL in a real-world project. In addition, I got familiar with several other frameworks and libraries, like WPF, AutoMapper, Ninject and Devexpress, as well as daily use of Resharper and version control with git.
For further education, I took the chance to attend the BASTA! conference in Mainz in 2017 and 2019 as well as the Developer Week in Nuremberg in 2018.
I have started and concluded my apprenticeship as a developer ('Fachinformatiker - Anwendungsentwicklung') at NeoGeo and continued to work there for three more years to get more experience. I maintained and extended a rich web-based application and also contributed to buildung new projects from scratch.
The projects I worked on dealt with energy management, software-supported team collaboration and financial management with risk analysis.
I contributed to web-based solutions developed with ASP.NET MVC + AngularJS and Bootstrap. I also worked with many other frameworks and libraries, like jQuery + jQuery UI, Entity Framework, WCF and ASP.NET WebForms, as well as Microsoft SQL Server.
In addition, I was able to familiarize with many tools for different problems in the context of real-world applications, like Cordova (formerly known as PhoneGap), Xamarin, Windows Services, WIX and Silverlight.


Atheists threaten another praying coach and team
by Cheryl K. ChumleyANALYSIS/OPINION:
Well, the Freedom From Religion Foundation is at it again.
Coaches and players at a Missouri high school held an after-game prayer session — and that prompted the atheists across the border in Madison, Wisconsin, to take offense, take up pen and paper, and shoot off a warning letter to Cameron School District officials.
Quit the praying — or we’ll sue.
“We ask that the district commence an investigation into the complaints alleged and take immediate action to stop any and all school-sponsored prayers or religious worship,” FFRF’s attorney Christopher Line wrote in an October letter.
Line also demanded to know how the school planned to “remedy this serious and flagrant violation of the First Amendment.”
FFRF blames head coach Jeff Wallace and assistant coach David Stucky of proselytizing.
But here’s the catch: The prayers were reportedly voluntary. And: even opposing team players participated. Moreover — nobody seems to have complained.
“Superintendent Dr. Matt Robinson responded to the Wisconsin-based group’s complaint, adding that the district has never received a complaint from anyone in the community,” Fox News wrote.
So why’s FFRF even involved?
Good question.
FFRF is simply trying to bully the school into stopping the kids and coaches from praying — as it’s wont to do.
In February, FFRF demanded a basketball coach, Rick Barnes, at the University of Tennessee cease and desist praying with students, calling his actions “proselytizing” and “unconstitutional.”
From the FFRF website: “Barnes has also taken his players to church.”
Imagine. The horror of it all.
But this is how FFRF makes its money.
“Oklahoma public school can’t promote religion in holiday concert, FFRF warns,” FFRF.org posted.
“That rotunda tree is pagan, not Christian symbol — reminds FFRF,” FFRF.org stated.
“FFRF urges Virginia public school to remove religious sign,” FFRF.org said.
Bullying, threatening, warning, intimidating, suing: It’s what FFRF does. It’s what FFRF will continue to do until all semblances of religion, particularly Christianity, are wiped from the public face of America. Total secularism or bust — that’s FFRF’s motto.
But remember: Stand up to a bully, and the bully flees.
Or, put another way: Resist the devil, and he will flee.
• Cheryl Chumley can be reached at<EMAIL_ADDRESS>or on Twitter @ckchumley.
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The {@link oaj.objecttools} package defines convenience utility classes for accessing
and manipulating POJOs. It consists of the following classes:
- {@link oaj.objecttools.ObjectRest}
- {@link oaj.objecttools.ObjectSearcher}
- {@link oaj.objecttools.ObjectSorter}
- {@link oaj.objecttools.ObjectViewer}
- {@link oaj.objecttools.ObjectPaginator}
- {@link oaj.objecttools.ObjectIntrospector}
- {@link oaj.objecttools.ObjectMerger}
ObjectRest
The {@link oaj.objecttools.ObjectRest} class provides the ability to perform standard REST operations (GET, PUT, POST, DELETE) against nodes in a POJO model.
Nodes in the POJO model are addressed using URLs.
A POJO model is defined as a tree model where nodes consist of consisting of the following:
-
{@link java.util.Map Maps} and Java beans representing JSON objects.
-
{@link java.util.Collection Collections} and arrays representing JSON arrays.
-
Java beans.
Leaves of the tree can be any type of object.
Use {@link oaj.objecttools.ObjectRest#get(String) get()} to retrieve an element from a JSON tree.
Use {@link oaj.objecttools.ObjectRest#put(String,Object) put()} to create (or overwrite) an element in a JSON tree.
Use {@link oaj.objecttools.ObjectRest#post(String,Object) post()} to add an element to a list in a JSON tree.
Use {@link oaj.objecttools.ObjectRest#delete(String) delete()} to remove an element from a JSON tree.
| // Construct an unstructured POJO model
| JsonMap map = JsonMap.ofJson(""
| + "{"
| + " name:'John Smith', "
| + " address:{ "
| + " streetAddress:'21 2nd Street', "
| + " city:'New York', "
| + " state:'NY', "
| + " postalCode:10021 "
| + " }, "
| + " phoneNumbers:[ "
| + " '212 555-1111', "
| + " '212 555-2222' "
| + " ], "
| + " additionalInfo:null, "
| + " remote:false, "
| + " height:62.4, "
| + " 'fico score':' > 640' "
| + "} "
| );
|
| // Wrap Map inside an ObjectRest object
| ObjectRest johnSmith = ObjectRest.create(map);
|
| // Get a simple value at the top level
| // "John Smith"
| String name = johnSmith.getString("name");
|
| // Change a simple value at the top level
| johnSmith.put("name", "The late John Smith");
|
| // Get a simple value at a deep level
| // "21 2nd Street"
| String streetAddress = johnSmith.getString("address/streetAddress");
|
| // Set a simple value at a deep level
| johnSmith.put("address/streetAddress", "101 Cemetery Way");
|
| // Get entries in a list
| // "212 555-1111"
| String firstPhoneNumber = johnSmith.getString("phoneNumbers/0");
|
| // Add entries to a list
| johnSmith.post("phoneNumbers", "212 555-3333");
|
| // Delete entries from a model
| johnSmith.delete("fico score");
|
| // Add entirely new structures to the tree
| JsonMap medicalInfo = JsonMap.ofJson(""
| + "{"
| + " currentStatus: 'deceased',"
| + " health: 'non-existent',"
| + " creditWorthiness: 'not good'"
| + "}"
| );
| johnSmith.put("additionalInfo/medicalInfo", medicalInfo);
In the special case of collections/arrays of maps/beans, a special XPath-like selector notation can be used in lieu
of index numbers on GET requests to return a map/bean with a specified attribute value.
The syntax is {@code @attr=val}, where attr is the attribute name on the child map, and val is the matching value.
| // Get map/bean with name attribute value of 'foo' from a list of items
| Map map = objectRest.getMap("/items/@name=foo");
- This class is used in the {@link oajr.converter.Traversable} REST response converter.
ObjectSearcher
The {@link oaj.objecttools.ObjectSearcher} class is designed to provide searches across arrays and collections of maps or beans.
It allows you to quickly filter beans and maps using simple yet sophisticated search arguments.
| MyBean[] arrayOfBeans = ...;
| ObjectSearcher searcher = ObjectSearcher.create();
|
| // Returns a list of beans whose 'foo' property is 'X' and 'bar' property is 'Y'.
| List<MyBean> result = searcher.run(arrayOfBeans, "foo=X,bar=Y");
The tool can be used against the following data types:
- Arrays/collections of maps or beans.
The default searcher is configured with the following matcher factories that provides the capabilities of matching
against various data types. This list is extensible:
- {@link oaj.objecttools.StringMatcherFactory}
- {@link oaj.objecttools.NumberMatcherFactory}
- {@link oaj.objecttools.TimeMatcherFactory}
The {@link oaj.objecttools.StringMatcherFactory} class provides searching based on the following patterns:
- "property=foo" - Simple full word match
- "property=fo*", "property=?ar" - Meta-character matching
- "property=foo bar"(implicit), "property=^foo ^bar"(explicit) - Multiple OR'ed patterns
- "property=+fo* +*ar" - Multiple AND'ed patterns
- "property=fo* -bar" - Negative patterns
- "property='foo bar'" - Patterns with whitespace
- "property=foo\\'bar" - Patterns with single-quotes
- "property=/foo\\s+bar" - Regular expression match
The {@link oaj.objecttools.NumberMatcherFactory} class provides searching based on the following patterns:
- "property=1" - A single number
- "property=1 2" - Multiple OR'ed numbers
- "property=-1 -2" - Multiple OR'ed negative numbers
- "property=1-2","property=-2--1" - A range of numbers (whitespace ignored)
- "property=1-2 4-5" - Multiple OR'ed ranges
- "property=<1","property=<=1","property=>1","property=>=1" - Open-ended ranges
- "property=!1","property=!1-2" - Negation
The {@link oaj.objecttools.TimeMatcherFactory} class provides searching based on the following patterns:
- "property=2011" - A single year
- "property=2011 2013 2015" - Multiple years
- "property=2011-01" - A single month
- "property=2011-01-01" - A single day
- "property=2011-01-01T12" - A single hour
- "property=2011-01-01T12:30" - A single minute
- "property=2011-01-01T12:30:45" - A single second
- "property=>2011","property=>=2011","property=<2011","property=<=2011" - Open-ended ranges
- "property=>2011","property=>=2011","property=<2011","property=<=2011" - Open-ended ranges
- "property=2011 - 2013-06-30" - Closed ranges
- This class is used in the {@link oajr.converter.Queryable} REST response converter.
ObjectSorter
The {@link oaj.objecttools.ObjectSorter} class is designed to sort arrays and collections of maps or beans.
| MyBean[] arrayOfBeans = ...;
| ObjectSorter sorter = ObjectSorter.create();
|
| // Returns a list of beans sorted accordingly.
| List<MyBean> result = sorter.run(arrayOfBeans, "foo,bar-");
The tool can be used against the following data types:
- Arrays/collections of maps or beans.
The arguments are a simple comma-delimited list of property names optionally suffixed with '+' and '-' to
denote ascending/descending order.
- This class is used in the {@link oajr.converter.Queryable} REST response converter.
ObjectViewer
The {@link oaj.objecttools.ObjectViewer} class is designed to extract properties from collections of maps or beans.
| MyBean[] arrayOfBeans = ...;
| ObjectViewer viewer = ObjectViewer.create();
| // Returns the 'foo' and 'bar' properties extracted into a list of maps.
| List<Map> result = viewer.run(arrayOfBeans, "foo,bar");
The tool can be used against the following data types:
- Arrays/collections of maps or beans.
- Singular maps or beans.
- This class is used in the {@link oajr.converter.Queryable} REST response converter.
ObjectPaginator
The {@link oaj.objecttools.ObjectPaginator} class is designed to extract sublists from arrays/collections of maps or beans.
| MyBean[] arrayOfBeans = ...;
| ObjectPaginator paginator = ObjectPaginator.create();
|
| // Returns all rows from 100 to 110.
| List<MyBean> result = paginator.run(arrayOfBeans, 100, 10);
The tool can be used against the following data types:
- Arrays/collections of maps or beans.
- This class is used in the {@link oajr.converter.Queryable} REST response converter.
ObjectIntrospector
The {@link oaj.objecttools.ObjectIntrospector} class is used to invoke methods on {@code Objects} using arguments in serialized form.
| String string1 = "foobar";
| String string2 = ObjectIntrospector
| .create(string)
| .invoke(String.class, "substring(int,int)", "[3,6]"); // "bar"
The arguments passed to the identified method are POJOs serialized in JSON format. Arbitrarily complex arguments can be passed
in as arguments.
- This class is used in the {@link oajr.converter.Introspectable} REST response converter.
- This is an extremely powerful but potentially dangerous tool. Use wisely.
ObjectMerger
The {@link oaj.objecttools.ObjectMerger} class is used for merging POJOs behind a single interface.
This is particularly useful in cases where you want to define beans with 'default' values.
For example, given the following bean classes:
| public interface IA {
| String getX();
| void setX(String x);
| }
|
| public class A implements IA {
| private String x;
|
| public A(String x) {
| this.x = x;
| }
|
| public String getX() {
| return x;
| }
|
| public void setX(String x) {
| this.x = x;
| }
| }
The getters will be called in order until the first non-null value is returned:
| merge = ObjectMerger.merger(IA.class, new A("1"), new A("2"));
| assertEquals("1", merge.getX());
|
| merge = ObjectMerger.merger(IA.class, new A(null), new A("2"));
| assertEquals("2", merge.getX());
|
| merge = ObjectMerger.merger(IA.class, new A(null), new A(null));
| assertEquals(null, merge.getX());


require 'rmagick' points = [ 145, 65, 174, 151, 264, 151, 192, 205, 218, 291, 145, 240, 72, 291, 98, 205, 26, 151, 116, 151 ] pr = Magick::Draw.new # Define a clip-path. # The name of the clip-path is "example" pr.define_clip_path('example') do pr.polygon(*points) end # Enable the clip-path pr.push pr.clip_path('example') # Composite the Flower Hat image over # the background using the clip-path girl = Magick::ImageList.new girl.read('images/Flower_Hat.jpg') cols = rows = nil # Our final image is about 280 pixels wide, so here # we widen our picture to fit. The change_geometry # method will adjust the height proportionately. girl.change_geometry('280') do |c, r| pr.composite(0, 0, c, r, girl) cols = c rows = r end pr.pop # Create a canvas to draw on, a bit bigger than the star. canvas = Magick::Image.new(cols, rows) star = Magick::Draw.new star.stroke('gray50') star.fill('gray50') points.map! { |p| p + 8 } star.polygon(*points) star.draw(canvas) canvas = canvas.blur_image(0, 3) # Draw the star shadow over the background pr.draw(canvas) # Crop away all the solid white border pixels. crop = canvas.bounding_box canvas.crop!(crop.x, crop.y, crop.width, crop.height) canvas.write('clip_path.gif') exit


We round up the most popular tourist attractions to visit or, if you hate tourists, to avoid.10 / January / 2016
With more holidays approaching, families won't all celebrate at home, like a Norman Rockwell painting. Hordes are hopping onto planes, trains and buses to play tourist all over the world, using breaks from daily obligations to relax on a beach or check out some ancient ruins.
Statista conveniently keeps track of the most visited attractions worldwide via Love Home Swap. We drew from the most recent rankings, which are based on data from April 2014. This isn't a list of the most visited sites in the world - we chose cities and found their most visited site, though these were all near the top. Some metropolises, like New York, have multiple tourist attractions which fared well in this list, but we went with only the top site for each city as a benchmark to put the cities in order from least visitors to most.
Hopes and fears compiled a list of the top tourist attractions to visit in cities around the world or, if you hate tourists, to avoid.
It'd be fair to assume that the Eiffel Tower would be the Michael Jordan of tourist attractions in the City of Lights, but Notre Dame, one of the very first Gothic cathedrals, holds that honor.
Construction of the 420-foot long structure began in the 12th century and didn’t end until a staggering 300 years later. The sheer amount of time is why so many architectural styles—from French Gothic to Naturalism to Renaissance—are incorporated into the building.
Over the years, and especially during the French Revolution, the cathedral sustained damage. A makeover didn’t come until the release of the most famous byproduct of Notre Dame, Victor Hugo’s book centered on a lonely hunchback. When the work was published, it’s said that Parisians came to realize that the cathedral was worth sprucing up.
Paris, by the way, is also home to three other monumental tourist attractions that don’t receive quite as many visitors, albeit still a healthy number. The Sacre Coeur gets 10.5 million a year, the Louvre 9.2 million and the Eiffel Tower 7 million annual guests.
The most recently opened attraction to make the list, Japan’s Disney theme park is not terribly different from its sister parks in the United States and elsewhere in the world, except for cries from Trip Advisor and other travel sites proclaiming how crowded it gets. Tokyo Disneyland was the first Disney park to open outside of the U.S. and, among its rides and themed areas, it has four classic Disney lands to its name:
Adventureland, Westernland, Fantasyland and Tomorrowland. It also possesses the distinction of being the most profitable park of the Disney bunch. It’s believed that the park's success is due to opening at the exact right time, in the height of an economic boom, and in the exact right place, in the middle of a 30 million-person metro area.
Altogether 24 emperors of the Ming and Qing dynasties lived in Beijing's Forbidden City, so for most of its history it was inaccessible to the likes of average citizens. A 10-meter high wall encircles the city, along with watchtowers and a moat. In other words, what’s inside is precious and impossibly unique. The grand palace inside these 115-acre grounds is a replica of the Purple Palace where God was thought to live in Heaven. And inside there are precisely 9,999 rooms.
What happens in Vegas stays in Vegas, they say. But clearly Nevada’s flashiest, most gambling-friendly city is not keeping to itself. From Swingers to The Hangover, Sin City is the backdrop for dozens of movies, and the Strip is usually the specific playground for the characters’ antics.
It was the 1930s when the three-mile stretch of hotels, casinos, and nightspots, first became a concept, just after Nevada became the first state to legalize casino-style gambling. By the 1950s—given the influence of pop culture phenomenon like Elvis—the area exploded to 1,800 hotel rooms.
At that point, a decent room ran for $7.50 a day. Now, it’s not uncommon to shell out $300 a night. The most surprising fact about the Vegas Strip, though, just might be what it’s not: within the Las Vegas city limits. Technically, it falls under Clark County jurisdiction.


const picker = new tempusdominus
.TempusDominus(document.getElementById('datetimepicker1'));
Shows or hides the widget
Namespace.events.hide
- if the widget is hidden after the toggle call
Namespace.events.show
- if the widget is show after the toggle call
Namespace.events.change
- if the widget is opened for the first time and the
input element
is empty and options.useCurrent != false
Shows the widget
Namespace.events.show
- if the widget was hidden before that call
Namespace.events.change
- if the widget is opened for the first time and the
useCurrent
is set to true or to a granularity value and the input element the
component is
attached to has an empty value
Allows developers to add/remove classes from an element. During the grid generation code, this function is called.
It provides the unit that is being generated (i.e. displaying the main date view), the date time object being effected, the current set of css classes and the container element.
Check out the example paint plugin.


Great Things Start From Tiny
Make better project
Learn how to cooperate
Find the most suitable partners
With key and simple information
- 所有项目 -


About to send mail to the email list: {{ campaign.email_list }}
-
{% for email, ctx in campaign %}
- {{ email }} preview {% empty %}
- No matching email addresses {% endfor %}
This mail out has been sent.
{% else %} {% endif %}


The Fate OF British Cycling changed one day in 2003. The organization, which was the governing body for professional cycling in Great Britain, had recently hired Dave Brailsford as its new performance director. At the time, professional cyclists in Great Britain had endured nearly one hundred years of mediocrity. Since 1908, British riders had won just a single gold medal at the Olympic Games, and they had fared even worse in cycling's biggest race, the Tour de France. In 110 years, no British cyclist had ever won the event. 笔记：天空车队总经理戴夫·布雷斯福德（Dave Brailsford）帮助英国成为了自行车运动强国，因此在2013年被封爵，而后带领天空车队，至今共获6场大环赛胜利。布雷斯福德不仅是一位成功的管理者，同样也是一名训练专家。
In fact, the performance of British riders had been so underwhelming that one of the top bike manufacturers in Europe refused to sell bikes to the team because they were afraid that it would hurt sales if other professionals saw the Brits using their gear.
Brailsford had been hired to put British Cycling on a new trajectory. What made him different from previous coaches was his relentless commitment to a strategy that he referred to as “the aggregation of marginal gains,” which was the philosophy of searching for a tiny margin of improvement in everything you do. Brailsford said, “The whole principle came from the idea that if you broke down everything you could think of that goes into riding a bike, and then improve it by 1 percent, you will get a significant increase when you put them all together.”
Brailsford and his coaches began by making small adjustments you might expect from a professional cycling team. They redesigned the bike seats to make them more comfortable and rubbed alcohol on the tires for a better grip. They asked riders to wear electrically heated overshirts to maintain ideal muscle temperature while riding and used biofeedback sensors to monitor how each athlete responded to a particular workout. The team tested various fabrics in a wind tunnel and had their outdoor riders switch to indoor racing suits, which proved to be lighter and more aerodynamic.
But they didn't stop there. Brailsford and his team continued to find 1 percent improvements in overlooked and unexpected areas. They tested different types of massage gels to see which one led to the fastest muscle recovery. They hired a surgeon to teach each rider the best way to wash their hands to reduce the chances of catching a cold. They determined the type of pillow and mattress that led to the best night's sleep for each rider. They even painted the inside of the team truck white, which helped them spot little bits of dust that would normally slip by unnoticed but could degrade the performance of the finely tuned bikes.
As these and hundreds of other small improvements accumulated, the results came faster than anyone could have imagined.
Just five years after Brailsford took over, the British Cycling team dominated the road and track cycling events at the 2008 Olympic Games in Beijing, where they won an astounding 60 percent of the gold medals available. Four years later, when the Olympic Games came to London, the Brits raised the bar as they set nine Olympic records and seven world records.
That same year, Bradley Wiggins became the first British cyclist to win the Tour de France. The next year, his teammate Chris Froome won the race, and he would go on to win again in 2015, 2016, and 2017, giving the British team five Tour de France victories in six years.
During the ten-year span from 2007 to 2017, British cyclists won 178 world championships and sixty-six Olympic or Paralympic gold medals and captured five Tour de France victories in what is widely regarded as the most successful run in cycling history.
How does this happen? How does a team of previously ordinary athletes transform into world champions with tiny changes that, at first glance, would seem to make a modest difference at best? Why do small improvements accumulate into such remarkable results, and how can you replicate this approach in your own life?
WHY SMALL HABITS MAKE A BIG DIFFERENCE
It is so easy to overestimate the importance of one defining moment and underestimate the value of making small improvements on a daily basis. Too often, we convince ourselves that massive success requires massive action. Whether it is losing weight, building a business, writing a book, winning a championship, or achieving any other goal, we put pressure on ourselves to make some earth-shattering improvement that everyone will talk about.
Meanwhile, improving by 1 percent isn't particularly notable — sometimes it isn't even noticeable—but it can be far more meaningful, especially in the long run. The difference a tiny improvement can make over time is astounding. Here's how the math works out: if you can get 1 percent better each day for one year, you'll end up thirty-seven times better by the time you're done. Conversely, if you get 1 percent worse each day for one year, you'll decline nearly down to zero. What starts as a small win or a minor setback accumulates into something much more.
Habits are the compound interest of self-improvement. The same way that money multiplies through compound interest, the effects of your habits multiply as you repeat them. They seem to make little difference on any given day and yet the impact they deliver over the months and years can be enormous. It is only when looking back two, five, or perhaps ten years later that the value of good habits and the cost of bad ones becomes strikingly apparent.
This can be a difficult concept to appreciate in daily life. We often dismiss small changes because they don't seem to matter very much in the moment.  If you go to the gym three days in a row, you're still out of shape. If you study Mandarin for an hour tonight, you still haven't learned the language. We make a few changes, but the results never seem to come quickly and so we slide back into our previous routines.
Unfortunately, the slow pace of transformation also makes it easy to let a bad habit slide. If you eat an unhealthy meal today, the scale doesn't move much. If you work late tonight and ignore your family, they will forgive you. If you procrastinate and put your project off until tomorrow, there will usually be time to finish it later. A single decision is easy to dismiss.
But when we repeat 1 percent errors, day after day, by replicating poor decisions, duplicating tiny mistakes, and rationalizing little excuses, our small choices compound into toxic results. It's the accumulation of many missteps—a 1 percent decline here and there— that eventually leads to a problem.
The impact created by a change in your habits is similar to the effect of shifting the route of an airplane by just a few degrees. Imagine you are flying from Los Angeles to New York City. If a pilot leaving from LAX adjusts the heading just 3.5 degrees south, you will land in Washington, D.C., instead of New York. Such a small change is barely noticeable at takeoff—the nose of the airplane moves just a few feet— but when magnified across the entire United States, you end up hundreds of miles apart. 笔记：君子慎始，差若毫厘，缪以千里。
Similarly, a slight change in your daily habits can guide your life to a very different destination. Making a choice that is 1 percent better or 1 percent worse seems insignificant in the moment, but over the span of moments that make up a lifetime these choices determine the difference between who you are and who you could be. Success is the product of daily habits—not once-in-a-lifetime transformations.
That said, it doesn't matter how successful or unsuccessful you are right now. What matters is whether your habits are putting you on the path toward success. You should be far more concerned with your current trajectory than with your current results. If you're a millionaire but you spend more than you earn each month, then you're on a bad trajectory. If your spending habits don't change, it's not going to end well. Conversely, if you're broke, but you save a little bit every month, then you're on the path toward financial freedom—even if you're moving slower than you'd like.
 Your net worth is a lagging measure of your financial habits. Your weight is a lagging measure of your eating habits. Your knowledge is a lagging measure of your learning habits. Your clutter is a lagging measure of your cleaning habits. You get what you repeat.
If you want to predict where you'll end up in life, all you have to do is follow the curve of tiny gains or tiny losses, and see how your daily choices will compound ten or twenty years down the line. Are you spending less than you earn each month? Are you making it into the gym each week? Are you reading books and learning something new each day? Tiny battles like these are the ones that will define your future self.
Time magnifies the margin between success and failure. It will multiply whatever you feed it. Good habits make time your ally. Bad habits make time your enemy.
Habits are a double-edged sword. Bad habits can cut you down just as easily as good habits can build you up, which is why understanding the details is crucial. You need to know how habits work and how to design them to your liking, so you can avoid the dangerous half of the blade.
 The room is cold and you can see your breath. It is currently twenty-five degrees. Ever so slowly, the room begins to heat up.
Twenty-six degrees.
Twenty-seven.
Twenty-eight.

Twenty-nine degrees.
Thirty.
Thirty-one.
Still, nothing has happened.
Then, thirty-two degrees. The ice begins to melt. A one-degree shift, seemingly no different from the temperature increases before it, has unlocked a huge change.
Breakthrough moments are often the result of many previous actions, which build up the potential required to unleash a major change. This pattern shows up everywhere. Cancer spends 80 percent of its life undetectable, then takes over the body in months. Bamboo can barely be seen for the first five years as it builds extensive root systems underground before exploding ninety feet into the air within six weeks.
Similarly, habits often appear to make no difference until you cross a critical threshold and unlock a new level of performance. In the early and middle stages of any quest, there is often a Valley of Disappointment. You expect to make progress in a linear fashion and it's frustrating how ineffective changes can seem during the first days, weeks, and even months. It doesn't feel like you are going anywhere. It's a hallmark of any compounding process: the most powerful outcomes are delayed.
This is one of the core reasons why it is so hard to build habits that last.  You think, “I've been running every day for a month, so why can't I see any change in my body?” Once this kind of thinking takes over, it's easy to let good habits fall by the wayside. But in order to make a meaningful difference, habits need to persist long enough to break through this plateau—what I call the Plateau of Latent Potential.
If you find yourself struggling to build a good habit or break a bad one, it is not because you have lost your ability to improve. It is often because you have not yet crossed the Plateau of Latent Potential. Complaining about not achieving success despite working hard is like complaining about an ice cube not melting when you heated it from twenty-five to thirty-one degrees. Your work was not wasted; it is just being stored. All the action happens at thirty-two degrees.
When you finally break through the Plateau of Latent Potential, people will call it an overnight success. The outside world only sees the most dramatic event rather than all that preceded it. But you know that it's the work you did long ago—when it seemed that you weren't making any progress—that makes the jump today possible.
It is the human equivalent of geological pressure. Two tectonic plates can grind against one another for millions of years, the tension slowly building all the while. Then, one day, they rub each other once again, in the same fashion they have for ages, but this time the tension is too great. An earthquake erupts. Change can take years—before it happens all at once.
Mastery requires patience. The San Antonio Spurs, one of the most successful teams in NBA history, have a quote from social reformer Jacob Riis hanging in their locker room: “When nothing seems to help, I go and look at a stone cutter hammering away at his rock, perhaps a hundred times without as much as a crack showing in it. Yet at the hundred and first blow it will split in two, and I know it was not that last blow that did it—but all that had gone before.”
THE PLATEAU OF LATENT POTENTIAL
All big things come from small beginnings. The seed of every habit is a single, tiny decision. But as that decision is repeated, a habit sprouts and grows stronger. Roots entrench themselves and branches grow. The task of breaking a bad habit is like uprooting a powerful oak within us. And the task of building a good habit is like cultivating a delicate flower one day at a time.
But what determines whether we stick with a habit long enough to survive the Plateau of Latent Potential and break through to the other side? What is it that causes some people to slide into unwanted habits and enables others to enjoy the compounding effects of good ones?
FORGET ABOUT GOALS, FOCUS ON SYSTEMS INSTEAD
Prevailing wisdom claims that the best way to achieve what we want in life— getting into better shape, building a successful business, relaxing more and worrying less, spending more time with friends and family— is to set specific, actionable goals.
For many years, this was how I approached my habits, too. Each one was a goal to be reached. I set goals for the grades I wanted to get in school, for the weights I wanted to lift in the gym, for the profits I wanted to earn in business. I succeeded at a few, but I failed at a lot of them. Eventually, I began to realize that my results had very little to do with the goals I set and nearly everything to do with the systems I followed.
What's the difference between systems and goals? It's a distinction I first learned from Scott Adams, the cartoonist behind the Dilbert comic. Goals are about the results you want to achieve. Systems are about the processes that lead to those results.
- If you're a coach, your goal might be to win a championship.
- If you're an entrepreneur, your goal might be to build a million-dollar business. Your system is how you test product ideas, hire employees, and run marketing campaigns.
- If you're a musician, your goal might be to play a new piece. Your system is how often you practice, how you break down and tackle difficult measures, and your method for receiving feedback from your instructor.
Now for the interesting question: If you completely ignored your goals and focused only on your system, would you still succeed? For example, if you were a basketball coach and you ignored your goal to win a championship and focused only on what your team does at practice each day, would you still get results?
I think you would.
The goal in any sport is to finish with the best score, but it would be ridiculous to spend the whole game staring at the scoreboard. The only way to actually win is to get better each day. In the words of three-time Super Bowl winner Bill Walsh, “The score takes care of itself.” The same is true for other areas of life. If you want better results, then forget about setting goals. Focus on your system instead.
What do I mean by this? Are goals completely useless? Of course not. Goals are good for setting a direction, but systems are best for making progress. A handful of problems arise when you spend too much time thinking about your goals and not enough time designing your systems.
Problem #1: Winners and losers have the same goals.
Goal setting suffers from a serious case of survivorship bias. We concentrate on the people who end up winning—the survivors—and mistakenly assume that ambitious goals led to their success while overlooking all of the people who had the same objective but didn't succeed.
Every Olympian wants to win a gold medal. Every candidate wants to get the job. And if successful and unsuccessful people share the same goals, then the goal cannot be what differentiates the winners from the losers. It wasn't the goal of winning the Tour de France that propelled the British cyclists to the top of the sport. Presumably, they had wanted to win the race every year before—just like every other professional team. The goal had always been there. It was only when they implemented a system of continuous small improvements that they achieved a different outcome.
Problem #2: Achieving a goal is only a momentary change.
Imagine you have a messy room and you set a goal to clean it. If you summon the energy to tidy up, then you will have a clean room—for now. But if you maintain the same sloppy, pack-rat habits that led to a messy room in the first place, soon you'll be looking at a new pile of clutter and hoping for another burst of motivation. You're left chasing the same outcome because you never changed the system behind it. You treated a symptom without addressing the cause.
Achieving a goal only changes your life for the moment. That's the counterintuitive thing about improvement. We think we need to change our results, but the results are not the problem. What we really need to change are the systems that cause those results. When you solve problems at the results level, you only solve them temporarily. In order to improve for good, you need to solve problems at the systems level. Fix the inputs and the outputs will fix themselves.
Problem #3: Goals restrict your happiness.
The implicit assumption behind any goal is this: “Once I reach my goal, then I'll be happy.” The problem with a goals-first mentality is that you're continually putting happiness off until the next milestone. I've slipped into this trap so many times I've lost count. For years, happiness was always something for my future self to enjoy. I promised myself that once I gained twenty pounds of muscle or after my business was featured in the New York Times, then I could finally relax. 笔记：我觉得这里说的很对，只要没有达成目标，就很难有“高兴”的时刻。
 You mentally box yourself into a narrow version of happiness. This is misguided. It is unlikely that your actual path through life will match the exact journey you had in mind when you set out. It makes no sense to restrict your satisfaction to one scenario when there are many paths to success.
A systems-first mentality provides the antidote. When you fall in love with the process rather than the product, you don't have to wait to give yourself permission to be happy. You can be satisfied anytime your system is running. And a system can be successful in many different forms, not just the one you first envision.
Problem #4: Goals are at odds with long-term progress.
Finally, a goal-oriented mind-set can create a “yo-yo” effect. Many runners work hard for months, but as soon as they cross the finish line, they stop training. The race is no longer there to motivate them. When all of your hard work is focused on a particular goal, what is left to push you forward after you achieve it? This is why many people find themselves reverting to their old habits after accomplishing a goal.
The purpose of setting goals is to win the game. The purpose of building systems is to continue playing the game. True long-term thinking is goal-less thinking. It's not about any single accomplishment. It is about the cycle of endless refinement and continuous improvement. Ultimately, it is your commitment to the process that will determine your progress.
A SYSTEM OF ATOMIC HABITS
If you're having trouble changing your habits, the problem isn't you. The problem is your system. Bad habits repeat themselves again and again not because you don't want to change, but because you have the wrong system for change.
You do not rise to the level of your goals. You fall to the level of your systems.
Focusing on the overall system, rather than a single goal, is one of the core themes of this book. It is also one of the deeper meanings behind the word atomic.  But atomic habits are not just any old habits, however small. They are little habits that are part of a larger system. Just as atoms are the building blocks of molecules, atomic habits are the building blocks of remarkable results.
Habits are like the atoms of our lives. Each one is a fundamental unit that contributes to your overall improvement. At first, these tiny routines seem insignificant, but soon they build on each other and fuel bigger wins that multiply to a degree that far outweighs the cost of their initial investment. They are both small and mighty. This is the meaning of the phrase atomic habits— a regular practice or routine that is not only small and easy to do, but also the source of incredible power; a component of the system of compound growth.
Chapter Summary
- Habits are the compound interest of self-improvement. Getting 1 percent better every day counts for a lot in the long-run.
- Habits are a double-edged sword. They can work for you or against you, which is why understanding the details is essential.
- Small changes often appear to make no difference until you cross a critical threshold. The most powerful outcomes of any compounding process are delayed. You need to be patient.
- An atomic habit is a little habit that is part of a larger system. Just as atoms are the building blocks of molecules, atomic habits are the building blocks of remarkable results.
- If you want better results, then forget about setting goals. Focus on your system instead.
- You do not rise to the level of your goals. You fall to the level of your systems.


I took the job with Videon in order to explore the hardware side of the industry. Still in school, I desired to broaden my work horizons, and figure out what I really enjoyed. Thus, I started with Videon Jan, 2014 during my 6th semester at PSU. I begin working part time, 20hrs/wk in order to be better prepared for work in the summer.
The best part about working at videon is that I got to do so many different things. The work I was given at videon can be divided into two main groups: Schematic Design, and Testing. In the early stages of development of a project, the schematics must be designed. My boss would give me a number of pages to design, and would then send me off to figure out how to do so. Design schematics requires a lot of research as well as a lot of technical knowledge. This was one of my favorite things to at videon because it required critical thinking and problem solving in order to complete. The testing work I did was performed once our schematics had been designed, and the board had been manufactured. It was then my goal to make sure that the board behaved as desired. This so called "Bring-Up" process took weeks to go through. If there was a voltage that wasn't correct, or a damaged component, I would use a soldering iron to remove or replace components until the issue was fixed.
I really enjoyed the people at Videon. The culture is very relaxing and welcoming, so it was easy to work with my co-workers. At the end of the summer semester I was asked to once again work part time during the school year. Thus I worked 20hrs/wk during the fall semester of my senior year. And at the end of this semester I was again asked to come back during my final semester at PSU
At the end of my sophmore year at PSU, I was offered a summer internship at Northrop Grumman as a Systems Engineer. This particular office of Northrop was located out in Salt Lake City, UT. It was such a great opportunity to be able to go out and spend the summer working there.
The office I worked at specialized on software safety. The majority of their work comes from being contracted by the army, navy, air force, etc. to make sure that the software in their air or ground vehicles is safe. To be more specific, I was placed on a project working with an Autonomous Unmanned helicopter. This was a huge project, and in order to be a valuable member of the team, I had to learn everything about the helicopter. After all, how can you analyse something you know nothing about. I spent the first week with Northrop pouring through thousands of pages of documentation of the helicopter highlighting and taking notes the whole way through. It was one of the largest technical challenges I had faced, but I pushed myself and learned a lot. In the coming weeks I would be added to the team, and begin analysing the software governing the actions and navigation of the helicopter.
My work at Northrop taught me a lot about systems, communication protocols, good documentation, and most importantly team work. At the end of the summer I was asked to work remotely during the fall semester from Penn State. Thus, I worked 20hrs/wk while maintaining a full course load. I was asked again at the end of the semester to work during the spring, but I decided to take the internship with Videon.


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Contains classes that pertain to interacting with control flow graphs.
ControlFlowGraph
class ControlFlowGraph
javassist.bytecode.analysis.ControlFlow.Block
javassist.bytecode.analysis.ControlFlow.Node


The Award is given for the best oral presentation by a student on a topic in Comparative Morphology and Development at the Annual Meeting.


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Python is one of the most popular and most beginner friendly languages out there. You can learn alot of simple functions in an hour thanks to it's beginner friendly Libraries. To start our course lets just type some simple code, so create a file in your IDE and name it "helloworld.py" and type the following code below:
and then run your code, you should get an output that says:
The next thing you are going to learn are variables and Strings. Think of variables as a bucket, and strings are the things inside of the bucket.
The variable is name and the string stored in name is "stacy"
So if we do print(name), instead of name it will output what is in name. AKA Stacy.
If you are a beginner, Python is a great language to start off with. It has libraries that are so simple its unreal, it is perfect when it comes to problem solving and many other things. Python has pros and cons, but when it comes to beginner coding, Python is a great language to start with.
Like Python, Operators are to add/subtract/multiply/divide two integers or floats. the '+' operator is for adding, the '-' operator is for subtracting, the '*' operator is for multiplying, and the '/' operator is for dividing.
A for loop is a python statement that loops what ever is inside of it a certain amount of times. This is extremely useful if you find yourself repeating code.
In this case, it will print brandon 7 times, since there are seven characters in 'brandon'
The range function helps python understand how many times to print something, so if you do "for i in range(name)" it will tell python to check how many characters are in the name variable, same goes for numbers, if you do "for i in range(10)", python will know to repeat whatver is in the for loop 10 times.
If statements are to compare things, if one thing is equal to another, then ouput something.
Functions is when Python gets fun, Functions are the main part of everything and is what makes a language do stuff. You must define the function, and then call it. A function can be called anytime after it has been defined. Functions allow developers to do certain tasks, so lets get started. to define it you do:
After defining, you put what you want the function to do, so lets make it print hello world like before
After that, we call it.
Now run the code and you should get:
Congrats! You have finished the course!
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Demo
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This
field with name
is editable
Inline edit with placeholder
This
is editable
Inline edit with line breaks
This area is editable
and has line breaks


| Figure 1 |
Two nested study areas are shown: (1) eastern Australia (the ... |
| Figure 2 |
The eastern Australia bioclimatic model (SDM1) projection of ... |
| Figure 3 |
The southeast Queensland bioclimatic model (SDM2) projection ... |
| Figure 4 |
The southeast Queensland bioclimatic and substrate model (SD ... |


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| Interface | Description |
|---|---|
| XSElementDeclHelper |
| Class | Description |
|---|---|
| AttributePSVImpl |
Attribute PSV infoset augmentations implementation.
|
| ElementPSVImpl |
Element PSV infoset augmentations implementation.
|
| SchemaGrammar |
This class is to hold all schema component declaration that are declared
within one namespace.
|
| SchemaGrammar.BuiltinSchemaGrammar | |
| SchemaGrammar.Schema4Annotations |
A partial schema for schemas for validating annotations.
|
| SchemaNamespaceSupport |
This class customizes the behaviour of the util.NamespaceSupport
class in order to easily implement some features that we need for
efficient schema handling.
|
| SchemaSymbols |
Collection of symbols used to parse a Schema Grammar.
|
| SubstitutionGroupHandler |
To store and validate information about substitutionGroup
|
| XMLSchemaLoader |
This class implements xni.grammars.XMLGrammarLoader.
|
| XMLSchemaValidator |
The XML Schema validator.
|
| XMLSchemaValidator.LocalIDKey | |
| XMLSchemaValidator.ShortVector |
A simple vector for
short s. |
| XMLSchemaValidator.XPathMatcherStack |
Stack of XPath matchers for identity constraints.
|
| XSAnnotationImpl |
This is an implementation of the XSAnnotation schema component.
|
| XSAttributeDecl |
The XML representation for an attribute declaration
schema component is an <attribute> element information item
|
| XSAttributeGroupDecl |
The XML representation for an attribute group declaration
schema component is a global <attributeGroup> element information item
|
| XSAttributeUseImpl |
The XML representation for an attribute use
schema component is a local <attribute> element information item
|
| XSComplexTypeDecl |
The XML representation for a complexType
schema component is a <complexType> element information item
|
| XSConstraints |
Constraints shared by traversers and validator
|
| XSDDescription |
All information specific to XML Schema grammars.
|
| XSDeclarationPool |
This class is pool that enables caching of XML Schema declaration objects.
|
| XSElementDecl |
The XML representation for an element declaration
schema component is an <element> element information item
|
| XSGrammarBucket |
A class used to hold the internal schema grammar set for the current instance
|
| XSGroupDecl |
The XML representation for a group declaration
schema component is a global <group> element information item
|
| XSImplementationImpl |
Implements XSImplementation interface that allows one to retrieve an instance of
XSLoader . |
| XSLoaderImpl |
An implementation of XSLoader which wraps XMLSchemaLoader.
|
| XSMessageFormatter |
SchemaMessageProvider implements an XMLMessageProvider that
provides localizable error messages for the W3C XML Schema Language
|
| XSModelGroupImpl |
Store schema model group declaration.
|
| XSModelImpl |
Implements XSModel: a read-only interface that represents an XML Schema,
which could be components from different namespaces.
|
| XSNotationDecl |
The XML representation for a NOTATION declaration
schema component is a global <notation> element information item
|
| XSParticleDecl |
Store schema particle declaration.
|
| XSWildcardDecl |
The XML representation for a wildcard declaration
schema component is an <any> or <anyAttribute> element information item
|
| Exception | Description |
|---|---|
| XMLSchemaException |
This exception might be thrown by any constraint checking method.
|
Copyright © 2021. All rights reserved.


Non Functional Testing Toolkit
The best fitted for people aiming to shift performance and security tests execution left, save time and effort on framework setup, test results analysis, as well as receive timed and accurate results and metrics reporting
Available for:
Shift-left for non-functional tests made easy
Easy to Rollout
Container based solution allows to save costs on test infrastructure
Our team can help with current state analysis to identify the optimal way to continuous testing
Easy to Jump-start
Established non-functional testing enablement processes give first results in terms of days and weeks not a months
Out team can help to uplift existing non-functional tests to CI friendly state
Easy to Understand
Email and chat notification provide actual information on a state of application performance and security
Centralized dashboards show all non-functional trends in one place
Automated issues reporting minimize risk of problem to be forgotten
Carrier Covers
- Static Application Security Testing with SAST container
- Backend Performance Testing with jMeter and Gatling containers
- Frontend Performance Testing with zero coding using PerfUI container
- Dynamic Application Security Testing with DAST container
- UI Performance testing covered by Observer container
Reporting that helps
- Performance results aggregation dashboards help to track trends in real time and over significant periods of time
- Security program and project reports help to keeps track on flaws outstanding and ones that breaks policy compliance
- Email and chat notifications provide actual information on state of security and performance issues and trends
- Jira integration helps to avoid concerns and issues being missed
Carrier Adoption Flow
Architecture
Most of all user interactions happening through Galloper - Carrier's web interface, which is UWSGI Python Flask application. Galloper exposes RestAPI and WebUI. Authentication is handled through auth-proxy over KeyCloak
Tests can be configured in either directly in Galloper or in Control-Tower - CI integration container
Code of tests can be stored in Min.io - Amazon S3 compatible object storage and secrets for tests better to be stored in Hashicorp Vault, both abstracted by Galloper RestAPI
Tests Scheduling (Performance, Security) happens through distributed job queue - Celery
During the execution tests report results into InfluxDB directly and to PostgreSQL through Galloper RestAPI
Reports of tests tools may be stored in Min.IO
Analysis of tests results is done by Tasks - simplified implementation of FaaS compatible with all leading FaaS provides such as Amazon Lambda, Google Functions, etc.
FaaS tasks provide analytical email and chat notifications after tests exection if configured
Control-Tower can pull threshold analysis results as a quality gates
Videos and Documentation
How to create and run backend test in Carrier
Instruction on how to create and run backend test in Carrier
How to create and run UI test in Carrier
Instruction on how to create and run UI test in Carrier
How to analyze backend performance test results
Instruction on how to analyze backend performance test results
How to analyze backend performance test results
Instruction on how to analyze UI performance test results Lighthouse, Sitespeed
Thresholds and quality gates
Instruction on how to use thresholds and quality gates
How to analyze backend performance test results
Instruction on how to analyze backend performance test results
Integration in CI with quality gates
Instruction on how to integrate in CI and failed pipeline with quality gates
How to setup load generator in Carrier
Instruction to setup load generator in Carrier
How to set baseline test in Carrier
Instruction on how to analyze backend performance test results


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Nova Luxury Hotel is established on 27th March, 1995. We are currently the top leaders in the hotel industry, providing the best world-class experience to our customers without delay. We are running this business from the past 25 years providing remarkable service to all of our customers. We are now an enterprise of Select Group with interests in core Hospitality, Travel and Retail, amongst others, Select Hotels owns and operates two chic urban resorts in the country offering superlative experiences and one boutique hotel located in a quaint neighbourhood of Kochi offering superior experiences for corporate
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Rating: ★★★★★
Date Stayed: 26th June 2020
Rating: ★★★★
Date Stayed: 21st August 2020


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CreateEntityBody()
语法
CreateEntityBody(#Entity, Type [, Mass [, Restitution, Friction]])概要
Changes the type of the body associated with the #Entity.
To have its collisions managed by the physic engine, an entity has to set a body. In fact, only the body is known by the physic engine, which will do all the calculation about the entity, check the mass, friction and if it collides will move back the real entity.
To have any effect, the physic engine needs to be activated with the EnableWorldPhysics().
参数
Type Type defines how the physic engine will handle this entity. 它可以是下列常量之一: #PB_Entity_None : No body is associated to the entity (default) #PB_Entity_StaticBody : The body is a static only, which means the mesh can't be animated. This mode allows very precise collisions, as it's done against triangles (also known as tri-mesh collision). It's also fast when colliding with a box or sphere entity body type. It's perfect when using a mesh for a ground or static world. #PB_Entity_BoxBody : A 'virtual' box is set around the entity (with the same dimensions) and is used to manage the collision against the other entities. #PB_Entity_SphereBody : A 'virtual' sphere is set around the entity and is used to manage the collision against the other entities. #PB_Entity_CylinderBody : A 'virtual' cylinder is set around the entity and is used to manage the collision against the other entities. #PB_Entity_CapsuleBody : A 'virtual' capsule is set around the entity and is used to manage the collision against the other entities. #PB_Entity_ConvexHullBody : A 'virtual' complex form deduced from the real mesh is set around the entity and is used to manage the collision against the other entities. This mode is slower than basic collide forms.Mass (optional) Mass of the object. Don't use too big value or it could produce physic incoherencies (1 is the preferred value). Restitution (optional) Restitution of the object. This value can also be get or set via GetEntityAttribute() and SetEntityAttribute() Friction (optional) Friction of the object. This value can also be get or set via GetEntityAttribute() and SetEntityAttribute()
已支持操作系统
所有


| Package | Description |
|---|---|
| io.github.pr0methean.betterrandom.prng |
Subclasses of
Random using different random-number generation algorithms. |
| io.github.pr0methean.betterrandom.prng.concurrent |
Implementations of
Random designed to be used concurrently from multiple
threads, backed by instances of SplittableRandom or
ThreadLocal <?> . |
| io.github.pr0methean.betterrandom.seed |
Tools to obtain and apply truly-random seeds for
Random implementations,
especially those that also implement ByteArrayReseedableRandom . |
| Constructor and Description |
|---|
AesCounterRandom(SeedGenerator seedGenerator)
Seed the RNG using the provided seed generation strategy to create a 256-bit seed.
|
BaseRandom(SeedGenerator randomSeeder,
int seedLength)
Creates a new RNG and seeds it using the provided seed generation strategy.
|
CellularAutomatonRandom(SeedGenerator seedGenerator)
Seed the RNG using the provided seed generation strategy.
|
Cmwc4096Random(SeedGenerator seedGenerator)
Seed the RNG using the provided seed generation strategy.
|
MersenneTwisterRandom(SeedGenerator seedGenerator)
Seed the RNG using the provided seed generation strategy.
|
Pcg128Random(SeedGenerator seedGenerator) |
Pcg64Random(SeedGenerator seedGenerator) |
XorShiftRandom(SeedGenerator seedGenerator)
Seed the RNG using the provided seed generation strategy.
|
| Modifier and Type | Method and Description |
|---|---|
static ReseedingSplittableRandomAdapter |
ReseedingSplittableRandomAdapter.getInstance(RandomSeederThread randomSeeder,
SeedGenerator seedGenerator)
Returns the instance backed by the given
SeedGenerator . |
static ThreadLocalRandomWrapper |
ThreadLocalRandomWrapper.wrapLegacy(LongFunction<Random> legacyCreator,
SeedGenerator seedGenerator)
Uses this class and
RandomWrapper to decorate any implementation of Random that
can be constructed from a long seed into a fully-concurrent one. |
static ReseedingThreadLocalRandomWrapper |
ReseedingThreadLocalRandomWrapper.wrapLegacy(LongFunction<Random> legacyCreator,
SeedGenerator seedGenerator)
Uses this class and
RandomWrapper to decorate any implementation of Random that
can be constructed from a long seed into a fully-concurrent one. |
| Constructor and Description |
|---|
RandomWrapper(SeedGenerator seedGenerator)
Wraps a
Random that is seeded using the provided seed generation strategy. |
ReseedingThreadLocalRandomWrapper(int seedSize,
RandomSeederThread randomSeederThread,
Function<byte[],? extends BaseRandom> creator,
SeedGenerator seedGenerator)
Wraps a seed generator and a function that takes a seed byte array as input.
|
ReseedingThreadLocalRandomWrapper(int seedSize,
SeedGenerator seedGenerator,
Function<byte[],? extends BaseRandom> creator)
Wraps a seed generator and a function that takes a seed byte array as input.
|
ReseedingThreadLocalRandomWrapper(SeedGenerator seedGenerator,
Supplier<? extends BaseRandom> initializer)
Wraps the given
Supplier . |
SingleThreadSplittableRandomAdapter(SeedGenerator seedGenerator)
Use the provided seed generation strategy to create the seed for the
SplittableRandom . |
SplittableRandomAdapter(SeedGenerator seedGenerator)
Use the provided seed generation strategy to create the seed for the master
SplittableRandom , which will be split to generate an instance for each thread. |
ThreadLocalRandomWrapper(int seedSize,
SeedGenerator seedGenerator,
Function<byte[],? extends BaseRandom> creator)
Wraps a seed generator and a function that takes a seed byte array as input.
|
| Modifier and Type | Class and Description |
|---|---|
class |
BufferedSeedGenerator
A seed generator that wraps another, maintaining a buffer of previously-downloaded bytes to
reduce the number of I/O calls.
|
class |
DefaultSeedGenerator
Seed generator that is the default for the program where it is running.
|
class |
DevRandomSeedGenerator
RNG seed strategy that gets data from
/dev/random on systems that provide it (e.g. |
class |
RandomDotOrgSeedGenerator
Connects to random.org's old
API (via HTTPS) and downloads a set of random bits to use as seed data.
|
class |
SecureRandomSeedGenerator
SeedGenerator implementation that uses Java's bundled SecureRandom RNG to
generate random seed data. |
class |
SeedGeneratorPreferenceList
A
SeedGenerator implementation that iterates over multiple delegates until one succeeds. |
| Modifier and Type | Method and Description |
|---|---|
static SeedGenerator |
DefaultSeedGenerator.get() |
| Modifier and Type | Method and Description |
|---|---|
static void |
DefaultSeedGenerator.set(SeedGenerator delegate) |
| Constructor and Description |
|---|
BufferedSeedGenerator(SeedGenerator delegate,
int size) |
RandomSeederThread(SeedGenerator seedGenerator)
Creates an instance using a
RandomSeederThread.DefaultThreadFactory . |
RandomSeederThread(SeedGenerator seedGenerator,
ThreadFactory threadFactory) |
RandomSeederThread(SeedGenerator seedGenerator,
ThreadFactory threadFactory,
long stopIfEmptyForNanos) |
| Constructor and Description |
|---|
SeedGeneratorPreferenceList(Collection<? extends SeedGenerator> contents,
boolean isAlwaysWorthTrying)
Creates an instance.
|
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{% extends "about/about_base.html" %} {% block page_title %}Funding{% endblock page_title %} {% block page_heading %}
Any donations made to Democracy Club are for the sole purpose of delivering the vision of the organisation as determined by the executive and board team.
Where a donation is 'restricted' to a particular project, as is common with charitable grants, such projects must align with the vision of the organisation.
Democracy Club is strictly non-partisan; donations will never be used for partisan purposes.
Democracy Club will make all reasonable efforts to perform due diligence on donors who give more than £5,000. For example, although we are not a charity, we will make use of the Know Your Donor guidelines provided by the Charities Commission.
We will publish the name of donors who give over £5,000 within a 12-month period, along with the amount given.
Democracy Club aims to be transparent in our fundraising and spending. Please do not hesitate to contact us if you have concerns or questions.
In the interests of transparency — and of encouraging others to join them! — here are the donors and the customers we’ve had so far.
| Name | Project | Amount |
|---|---|---|
| Google.org | General election 2015 support | $30,000 |
| JRSST Charitable Trust | Polling location finder 2016 | £21,250 |
| Unbound Philanthropy | To encourage civic engagement through online tools, 2016-2018 | £100,000 |
| Unbound Philanthropy | For support of research and application of findings to improve participation by low-propensity voters, 2018-2020 | £100,000 |
| Garvin Brown | General support, 2019 | £25,000 |
| Joseph Rowntree Charitable Trust | Support for election candidates data, 2019-2020 | £75,000 |
| Joseph Rowntree Charitable Trust | Support for election candidates data, 2021 and representatives project research | £50,000 |
| Joseph Rowntree Charitable Trust | Representatives project, 2023-24 | £100,000 |
| Luminate Foundation | Core funding | £78,839.70 |
| Nesta | 2020 Democracy Pioneers Award | £10,000 |
| Simon Tuttle | Tooling to improve transparency regarding candidate electoral histories | £5,000 |
| Scurrah Wainwright Charity | Elections, 2022 | £5,000 |
| Name | Project | Amount |
|---|---|---|
| Bethnal Green Ventures | Office space, mentoring and introductions, Jan-Apr 2016 | ~£5,000 |
| Name | Project | Amount |
|---|---|---|
| NUS Wales / Welsh Government | Polling location finder 2016 (particularly Welsh-language version of Where Do I Vote? and data for Wales) | £19,200 |
| LGiU / Open Data Institute | Results recorder, local elections 2016 | £6,000 |
| London First | Polling location finder, voter registration data visualisation, EU Referendum 2016 | £36,000 |
| Open Data Institute | Research and report on registers, 2018 | £34,560 |
| Electoral Commission | Candidate and polling location data, Local elections 2017 | £50,000 |
| Electoral Commission | Candidate and polling location data, General election 2017 | £18,000 |
| Electoral Commission | Candidate and polling location data, Local elections 2018 | £47,500 |
| Electoral Commission | Candidate and polling location data, Local elections 2019 | £60,000 |
| Electoral Commission | Candidate and polling location data, European Parliamentary Elections 2019 | £38,000 |
| Electoral Commission | Candidate and polling location data, General election 2019 | £44,000 |
| Electoral Commission | Candidate and polling location data, Local elections 2020 | £37,500 |
| Electoral Commission | Candidate and polling location data, Local elections 2021 | £68,145 |
| Electoral Commission | API develpoment, hosting and support | £25,000 |
| Electoral Commission | Candidate and polling location data, Local elections, 2022 | £79,700 |
| London Elects | API use and support for the 2021 London Mayoral election | £14,000 |
| House of Commons | Aligning data models and training, 2022 | £9,600 |
| Reach PLC | API provision and improvements, 2022 | £7,560 |
| Welsh Government | Welsh translation of WhoCanIVoteFor.co.uk, 2022 | £88,860 |


The second song I have chosen is "Lisztomania" by Phoenix. Back in the nineteenth century Lisztomania was a valid form of hysteria directed towards the composer Franz Liszt by his fans during his concerts. I am a massive music fan (hence why I possess this fact) but thankfully not quite enough to experience such a hysteric reaction to my favourite artists and bands. I want to use my interests and knowledge of popular culture to help cme up with exciting and creative solutions whilst being part of the Ad School!
"This Must Be the Place" by the Talking Heads is the final song that I have chosen. After considering several career options I'm glad to have decided upon advertisng. I really want to have a job where I use creativity and logic to devise stratgies and solutions. If I am chosen, I know that the AdSchool will confoirm my ambitions by giving me a real oppurtunity to put my talents and skills into practice, as well as signpost the more specicfic area of advertising that I may find myself in


Variable and interaction selection are essential to classification in high-dimensional setting. In this package, we provide the implementation of SODA procedure, which is a forward-backward algorithm that selects both main and interaction effects under logistic regression and quadratic discriminant analysis. We also provide an extension, S-SODA, for dealing with the variable selection problem for semi-parametric models with continuous responses.
| Version: | 1.2 |
| Depends: | R (≥ 3.0.0), nnet, MASS, mvtnorm |
| Published: | 2018-05-13 |
| Author: | Yang Li, Jun S. Liu |
| Maintainer: | Yang Li <yangli.stat at gmail.com> |
| License: | GPL-2 |
| NeedsCompilation: | no |
| CRAN checks: | sodavis results |
| Reference manual: | sodavis.pdf |
| Package source: | sodavis_1.2.tar.gz |
| Windows binaries: | r-devel: sodavis_1.2.zip, r-release: sodavis_1.2.zip, r-oldrel: sodavis_1.2.zip |
| OS X binaries: | r-release: sodavis_1.2.tgz, r-oldrel: sodavis_1.2.tgz |
| Old sources: | sodavis archive |
Please use the canonical form https://CRAN.R-project.org/package=sodavis to link to this page.