celeritas | new Monte Carlo transport code | GPU library
kandi X-RAY | celeritas Summary
kandi X-RAY | celeritas Summary
The Celeritas project implements HEP detector physics on GPU accelerator hardware with the ultimate goal of supporting the massive computational requirements of LHC-HL upgrade.
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Trending Discussions on celeritas
QUESTION
I am new at Angular and now I am currently being stucked, because I can not understand why it works like that. Here is my code ⬇️
🪧 Explonation of whole functionality: I have a mock list of heroes in another file (mock.heroes.ts), where the whole list is set like const value, what means you can not change it anymore. Everything works well, also it's understandable for me, till you select, by clicking on exact hero, your selectedHero. The div is now visible, and you can change its name in the input field below.
❓ I can not understand, why when I change something inthe input with the id="hero-name", the change occurs not only on selectedHero.name but also on hero.name (in the ul with class="heroes").
❓ Is this.selectedHero like link to real hero, or how does this binding works in TS? At first I thought, selectedHero was a copy of a hero. That's why I am asking, because it does not make sence for me.
❓ Why even after the list is set to be const value, you can change the names of the heroes init?
___.component.html
...ANSWER
Answered 2021-Jul-19 at 20:15- I can not understand, why when I change something inthe input with the id="hero-name", the change occurs not only on selectedHero.name but also on hero.name (in the ul with class="heroes")
Angular runs checks every now and then to look for updates on your models. If a change is detected, the view is updated, this is why your content changes elsewhere.
- Is this.selectedHero like link to real hero, or how does this binding works in TS? At first I thought, selectedHero was a copy of a hero. That's why I am asking, because it does not make sence for me.
It's the same object, they share the same address. If you want to deepcopy your object, call JSON.parse(JSON.stringify(myJSONobject))
- Why even after the list is set to be const value, you can change the names of the heroes init
What const
keyword does is protect your variable from changing it's address. Let's say you have an array at address A having multiple objects in it. Each an every object has it's own address (B, C, D, ...). So as long as you don't reasign that const variable you are good to go. nothing hold you from changing the inner content of this array. Reassign it is what wouldn't work using the const
keyword.
QUESTION
I have a project based on the Angular.io tutorial, including "Hero"-interface and data, as well as a "HeroService" using HTTPClient.
I am able to fetch the data and display it using standard HTML in the template, but not when using the PrimeNG table, using the example from their webpage. So I have the data I need for the template, but I am not sure how to correctly pass it to PrimeNG. I am hoping to do it whithout changing how the HeroSerice works.
I am in general confused by Observables, Promises, and associated tech, so it's hard to describe further. I have read Using PrimeNG with Observables (rxjs) in Angular 4, without solving my issue.
Hero Interface:
...ANSWER
Answered 2021-Apr-29 at 15:16You are using the wrong variable name.
QUESTION
During angular Tour of Heroes turorial, I didn't understand this way of object return.
...ANSWER
Answered 2021-Jan-21 at 11:35Does it mean
{'heroes': heroes}
?
Yes.
What is called this syntax ?
Object Property Value Shorthand
QUESTION
I am reading the Routing and navigation in Angular. The first()
operator of rxjs
does not work and I get error.
Here is my Service:
...ANSWER
Answered 2020-Apr-01 at 13:02The reason is that you are using of
rather than from
function to create the Observable returned by getHeroes()
method.
If you change your code like this you do not get any more the compilation error
QUESTION
Im trying to do the zooming via brush like in this block https://bl.ocks.org/FrissAnalytics/539a46e17640613ebeb94598aad0c92d
The difference is that I need to define axis values manually due to zooming, cause I need to keep the distance between ticks the same (like scaleOrdinal, but I did it with scaleLinear). Im stuck with the brushing - it works fine when it zoom via brush first time, but if I want to go deeper, the zoom is lagging - the scale is calculating well, but translation goes at any place, but not at right.
There is my fiddle (it is a bit messy, I called getRange several times for defining boundaries) https://jsfiddle.net/Celeritas/y2u06kpm/2/
So I have this code now for brush_end event
...ANSWER
Answered 2020-Mar-30 at 09:14d3.zoomIdentity
.translate(x(originalPoint[0]) * -1, y(originalPoint[1]) * -1)
.scale(tt.k)
QUESTION
I am using reactive form to present a list of heroes to user and want to trigger a console log when user selects a hero by clicking on checkbox.
So, the problem is when i print this.form in console I get the correct value, but when i print this.form.value, I get the value of previous state.
Screenshot of when 1 Hero is selected
As you can see, when 1 hero is selected, this.form is printing the correct values but this.form.value is printing the previous state, i.e when no values were selected.
Screenshot of when 2 Hero is selected
Similarly for 2 heroes. Showing result of previous state, i.e when 1 hero is selected.
The code for the same is below.
...ANSWER
Answered 2020-Jan-20 at 11:29
-
{{heroes[i].name}}
submit
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install celeritas
CUDA: on-device computation
an MPI implementation (such as Open MPI): shared-memory parallelism
ROOT: I/O
nljson: simple text-based I/O for diagnostics and program setup
VecGeom: on-device navigation of GDML-defined detector geometry
Geant4: preprocessing physics data for a problem input
G4EMLOW: EM physics model data
HepMC3: Event input
SWIG: limited set of Python wrappers for analyzing input data
CMake: build system
clang-format: formatting enforcement
GoogleTest: test harness
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