delve | Getting properties from values | Runtime Evironment library
kandi X-RAY | delve Summary
kandi X-RAY | delve Summary
Delve recursively into a value to retrieve a property; without erroring.
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QUESTION
I'm just starting to delve into lua coroutines with C and I'm having a problem with what I think should be the simplest example I can come up with.
The C:
...ANSWER
Answered 2021-Jun-13 at 16:58lua_yield
is a C function, and C does not have a mechanism to magically jump back into a function that has halted. lua_yield
uses the C standard library longjmp
function to arbitrarily jump out of the function that called it. But it can't come back.
So what happens is that your C function yields, exiting the function and returning control to the Lua code that called coroutine.resume
. The resume was successful, so true
is printed. You then resume the coroutine again, which begins execution at the site in Lua code that called the C function that yielded. That code then exits the coroutine normally. Since the resume was also successful, true
is printed again.
But the coroutine is now exhausted and therefore cannot be resumed.
C functions don't have a clean way to be "resumed". Indeed, the Lua 5.1 documentation explicitly states:
This function should only be called as the return expression of a C function, as follows:
QUESTION
I am new to Docker containers but not quite new to Postgres (I delved a bit in the past).
The thing is I am trying to connect to a Postgres server started from the following Docker container dpage/pgadmin4
The issue is that I cannot connect to the server using PGAdmin4. I am getting the following error:
...ANSWER
Answered 2021-Jun-11 at 18:01service pgadmin4
is not being able reach service db
because inside pgadmin4
at port 5432 there wont be any service running
With this configuration, you are only mapping the db to host machine's 5432 port. That is why you were able to run psql -h 0.0.0.0 -U postgres
in your machine (host machine)
According to docker-compose pgadmin4
can access DB using host name db
you can link the configuration with some additional configuration as below
QUESTION
I've searched for similar variants to what I'm trying to accomplish, and I can do it with no trouble on Linux, but Win10 is giving me a heck of a time. I'm sure it's something extremely simple that I'm simply overlooking, or a syntax I'm scrambling. What I'm trying to accomplish is to have a script run after boot to query the status of a specific driver and, if the status is OK, just continue on its merry way, or, if it has a problem, reinstall the driver from a specific source.
I have no problem doing the query the driver state part, or the reinstall part, but I can't manage to get it to recognize the fault condition to install the driver, or bypass it if everything is OK. Right now, I have the following to query the driver state:
...ANSWER
Answered 2021-May-07 at 16:23The accepted answer in this question should work here as well.. I just tried it by stopping a service and then giving that service's name in the script.. it started it. Every driver would have a corresponding service entry and sc commands would work on a driver service as well. Adapting this to inject fault or bypass conditions should be doable.. reproduced from the answer of the highlighted question:
QUESTION
The primary question is: Can I automatically log back into my SignInManager and UserManager (Identity) via using cookies; and in the event this isn't possible, what would you recommend as an alternative?
So, the primary issue here boils down to the fact my dedicated IIS pool terminates the workers after 5 minutes; now I can configure this to session-based but since it's a shared server, this brings a whole new area of issues.
When the workers get terminated, the session expires and all logged in users will logout. However, we still have cookies.
It is worth noting that my target framework is "netcoreapp3.1" and that the deployment of this project is to a live server.
Let's delve into the main things you'd need to know:
The Login Function (Path: /Account/Login):
ANSWER
Answered 2021-May-17 at 20:03Now I managed to create a solution to this, and I'll start by saying although it works, it has its own set of problems (primarily with security).
In this it is worth stating that I already had an ApplicationUser setup, if you do not then you would need to create it extending IdentityUser to add the cookieId field into your identity database.
The first step was to create a way for the user to login in to signInManager via cookies, we achieved this by extending the UserManager class as so:
QUESTION
Using the MSGraph API is there any way to get a user's manager (or direct reports) without needing a permission that requires admin consent?
There are a few ways to do it but they all require permissions like User.Read.All
or Directory.Read.All
which require admin consent. It seems weird that you can't get managers without that when I can just look them up in Outlook or Delve easily enough.
ANSWER
Answered 2021-Apr-15 at 07:41There currently isn't a way to list a user's direct reports or get their manager without needing a permission that requires admin consent on MS Graph. From the permissions reference Both of the permissions listed above will require admin consent.
QUESTION
I'm developing an NPM package, using Typescript, that is meant to be consumed in React apps. Straightforward right? I also have a sample/test application that is a .NET Core-hosted React app (straight from the VS2019 template, plus Typescript added through NPM). Though building everything and debugging the sample app works fine, I have not been able to get Visual Studio to debug the Typescript files in the local NPM package.
The NPM package is an NJSProj. I build it by using "build": "tsc"
in scripts
in package.json
. My tsconfig.json
looks like this:
ANSWER
Answered 2021-Apr-01 at 19:23Wow, after a good 10 hours of trial and error between yesterday and today I stumbled upon the magical combination that worked.
- I don't need to build the npm package using
tsc
in order to debug. In fact the local package'stsconfig.json
will wind up being ignored during debug runs. Instead I figured out how to get webpack to include the local module source files during the build of the sample consuming app - I did have to use
npm run eject
on the sample consuming app, to expand out all the hidden scripts, most importantlywebpack.config.json
- I continue to use
npm link
as described above - In
scripts/paths.js
(which is created aftereject
) I had to add alocalModuleSrc
path to my module source, alongsideappSrc
which is just thesrc
folder - The lynchpin was I had to modify
webpack.config.json
to useawesome-typescript-loader
instead of babel.babel-loader
patently refused to compile Typescript files outside ofsrc
. I then used this for everything inappSrc
andlocalModuleSrc
:
QUESTION
I am working on a program that has a component that will generate simulated demographic numbers for various hypothetical jurisdictions.
The methods I have set up to generate each subset of demographics are dependent on some other variables, but generally, most jurisdictions are supposed to look something like:
...ANSWER
Answered 2021-Mar-23 at 17:29From what I understand, each demographic depends on some external variables. What you could do then is
QUESTION
I'm not going to delve into the code too much in this question, instead, I'm looking for a high-level answer.
In my js, I have a div with the class name potato
. I have a file called myStyles.css
, and I imported that CSS file into my js file. Now in my CSS, I targeted .potato
, and do my styling. All good so far.
Now I create a new js file, and in that new file I again have a div name by potato
. In this new js file, I do not import myStyles.css
. However, for some reason, the styling from myStyles.css
is being applied to that div!
Please let me know why this is the case? Why is it pulling styling from an unimported file?
If you need any actual code on my part to answer this question, please let me know and I can provide it.
Thanks!
...ANSWER
Answered 2021-Mar-15 at 05:40The css will be global for all components.
Even if you import individual css for all components, it will still apply it to all other components.
To fix this, just add and "id" or "class" to the parent and then use that parent element's id to access its classes.
QUESTION
So I want to debug a golang application that is running on k8s cluster, but I get the error message when I want to attach delve to the app. "could not attach to pid XXX: could not open debug info "
In the k8s deployments I added the needed privileges:
...ANSWER
Answered 2021-Feb-28 at 07:00You're passing -s -w
as flags to the linker.
According to the documentation of cmd/link
:
-s: Omit the symbol table and debug information.
-w: Omit the DWARF symbol table.
In short, your build command removes the information your debugger requires for debugging.
If you remove -ldflags
(or only -s -w
), it should work as expected.
QUESTION
So I have been against a wall for this one for a while now.
My requirement is to play .mp4
video file in a wpf application. Sounds simple enough, right?
At first, I used built-in MediaElement
class and everything worked.
But it turns out, MediaElement
is based on Windows Media Player
, and for people (myself included) who are using Windows 10 Pro N (or KN)
versions, which are basically stripped-down versions of Windows 10, videos are not playing, because Windows Media Player
is not included.
That is also reported by attaching an error callback to MediaElement
, resulting in message:
"Windows Media Player version 10 or later is required"
Of course, one option is to show user a message and a link to download the feature pack (https://www.microsoft.com/en-us/software-download/mediafeaturepack), which includes Windows Media Player
, but in all my years using Windows apps, I have NEVER seen any app do/ask that. It is also wrong - the feature pack comes with alot more than just WMP and user might not want to bloat their system with unnecessary apps. That's why user chose Windows 10 Pro N (or KN)
in the first place.
But then - how do other apps do it? How are videos on Slack, Discord apps played on my Windows 10 Pro N
?
A bit of googling and general solution is to use VideoLAN.LibVLC.Windows
framework, because it is open-sourced, well maintained and has proven itself over the years on multiple platforms.
Ok, I get it's nuget package, and since it is native code, I also download a wrapper libraries to use it in WPF - LibVLCSharp
and LibVLCSharp.WPF
.
I have successfully integrated video playback, everything works in Debug version.
Now it's time to test it in Release version. I create a new Setup project
, build it, install it.
So here's the problem:
My app runs just fine, but when I get to the section where video is supposed to play, I get an exception error:
...ANSWER
Answered 2021-Feb-25 at 15:50So a few things:
Ok, I get it's nuget package, and since it is native code, I also download a wrapper libraries to use it in WPF - LibVLCSharp and LibVLCSharp.WPF.
You only need to reference LibVLCSharp.WPF
and VideoLAN.LibVLC.Windows
, LibVLCSharp
is a dependency of the .WPF
project
I check the Debug version's folder (because it was working just fine there) and I see that I also have a libvlc folder being generater there, with contents:
You should also have that in the Release folder too. If not, something might be wrong with VideoLAN.LibVLC.Windows or the way you're using it.
I understand, that I can create two seperate installations - one for x64 and one for x86 systems.
Yes, that would avoid embedding libvlc twice, that's what I'd recommend
If I delete anything from plugins folder, app crashes.
That's the way you should customize it, but you would need to figure out by yourself what you really need (you'll likely only need the "file" access plugin, no gui plugin, no mux...). I'd recommend taking a look at this documentation : https://code.videolan.org/videolan/libvlc-nuget/-/blob/master/cherry-picking.md
If that's not slim enough for you (for example, codec/libavcodec_plugin.dll is still too heavy for you), I'm afraid you'll have to build libvlc by yourself. Warning : it's not a nice walk in the park.
Perhaps there is another, more lightweight framework that can play .mp4 files?
I only know about FFMediaElement and other ffmpeg-based projects, but I'm unsure about the ffmpeg licensing, and I did not test them myself.
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