## applications – Mirror actions on hundreds of Android emulators

I have several hundreds of Android emulations. I want an application that will allow me to reflect the actions I'm doing on one device, on all other devices. This means that if I click on an icon located on x, y of the screen of my main device, I want the same action to occur on all my emulations. I've reviewed several Android mirroring software, but none have met the requirements I've had. For example, most mirroring tools like APowerMirror of Vysor require either that the emulations be on the same wifi connection (which does not work for emulators), or that USB debugging is enabled for physically connected devices. (do not work for emulators either). ). In addition, most software does not support the number of devices I want to emulate.

I hoped that someone knew of a mirroring application not having the above constraints. I must think that there is a solution to this problem but I am stuck.

For reference, I use bluestacks as an emulator for all Android instances.

## How to configure the mirror of the git repository subfolder?

We know that Laravel Framework consists of a library collection named Illuminate. In which some libraries are mirrored in separate repositories, directly under https://github.com/illuminate/ namespace.

How mirror like this is configured and automated?

## Kafka mirror for on-site log aggregation with AWS ELK

I need to pump all my logs to AWS ELK from on-premises servers (via a direct connection). For that, I will use Kafka to buffer messages. We plan to apply QoS rules and ensure that these log messages consume a given percentage of network bandwidth (to avoid affecting other important messages – it is okay to have some delay logging synchronization between on-premises and AWS). think of having a Kafka mirror between the site and AWS to allow log messages to synchronize slowly with the given bandwidth

My question is, is it a good idea to use a Kafka mirror for this? Will it be an overkill?

Also appreciate the comments on the overall architecture

Thank you

## Why should DSLRs bounce their mirror when they take pictures in series?

Professional DSLRs can lock the mirror before taking a picture – to avoid mirror-induced vibrations. But as I can see here, cameras like Nikon D4, while still able to lock the mirrors, always bounce the mirror up and down on every shot in the series. This does not seem useful: the operator does not look into the optical viewfinder during the process, so the mirror could simply be locked, allowing even more shots per second in the series.

Unlike standard DSLR cameras (for example, the Canon EOS 1100D), which are mechanically limited to require bounce reporting on each jack, so the MLU is not available, the most cameras expensive offer this feature; so they should not have the limitation.

So, I guess there is another technological reason for needing this rebound. What is this reason?

## Mirror parts of the site

I build a small repository of documents for the job. It hosts internal and private content as well as public elements, with access regulated by the login of the user. It works, but when I go online, my IT department tells me that I can not have private content on a server that I want accessible on the Internet.

It may be useful to have two sites, one on the local intranet containing all the content and the other, publicly available, containing only public content.

My question is: how can I add a field, check box or button to a content type, so that when you tap it, the content is considered "public" and automatically copied / downloaded on another Drupal site (the less secure internet exposed-a). Documents that are not verified in this way remain on the inaccessible Intranet site.

## ubuntu – Q: How to fix the apt-get update error Mirror synchronization is in progress?

I have trouble installing postgresql-client.9.4 on debian 10.

``````printf "deb http://apt.postgresql.org/pub/repos/apt/ buster-pgdg main" > /etc/apt/sources.list.d/pgdg.list

wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -

apt-get update && apt-get install -y -qq postgresql-client-9.4
``````

result

``````oot@8854c7bad7ae:/# apt-get update
Hit:2 http://cdn-fastly.deb.debian.org/debian buster InRelease
Get:4 http://apt.postgresql.org/pub/repos/apt buster-pgdg InRelease (46.2 kB)
Get:5 http://apt.postgresql.org/pub/repos/apt buster-pgdg/main amd64 Packages (138 kB)
Err:5 http://apt.postgresql.org/pub/repos/apt buster-pgdg/main amd64 Packages
File has unexpected size (137678 != 138126). Mirror sync in progress? (IP: 87.238.57.227 80)
Hashes of expected file:
- Filesize:138126 (weak)
- MD5Sum:ed36fcbcb7d390b2772bc81a12cf786b (weak)
Release file created at: Mon, 23 Sep 2019 14:11:10 +0000
Fetched 46.2 kB in 3s (15.7 kB/s)
``````

How to fix this error?

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## Ag.Algenic Geometry – Comparison of Hochschild Homology in Mirror Symmetry

Given a triangulated category $$D$$, there is a Chern character from the Grothendieck group to Hochschild's homology:
$$ch: K_0 (D) to HH_0 (D).$$
Consider a pair of triple projectives Calabi-Yau $$X$$ and $$Y$$ which satisfy homological mirror symmetry. This means that there is an equivalence of triangulated categories
$$D Fuk (X) to D ^ b Coh (Y)$$
This induces isomorphisms $$K_0 (X) to K_0 (Y)$$ and $$HH_0 (X) to HH_0 (Y)$$. In terms of Hodge's decomposition,
$$HH_0 (DFuk (X)) simeq H ^ {0,3} (X) oplus H ^ {1,2} (X) oplus H ^ {2,1} (X) oplus H ^ { 3.0} (X)$$
$$HH_0 (D ^ bCoh (Y)) simeq H ^ {0,0} (Y) oplus H ^ {1,1} (Y) oplus H ^ {2,2} (Y) oplus H ^ {3,3} (Y).$$
Chern's character for $$Y$$ is the standard character of Chern consistent sheaves.

Question 1: Is the chern character for $$X$$ given taking the (Poincaré's dual of) the fundamental class of a Lagrangian sub-multiple?

Question 2: Is the resulting square of Chern characters commutative?

A related question is whether the isomorphism on $$HH_0$$ respects the direct sum decompositions of Hodge's theory. This seems unlikely because the fundamental class of a Lagrangian is defined on $$mathbb R$$it is therefore invariant under the complex conjugation that exchanges the summands of $$HH_0 (X)$$. On the other hand, the skyscrapers sheaves on $$Y$$ have the character Chern supported on $$H ^ {3,3} (Y)$$.

If indeed the isomorphism does NOT respect the Hodge decompositions, what are they each on the other side?

## linux – Raid Mirror with 2 USB hard drives

Is there a way to configure Raid Mirror with 2 identical USB hard drives?

Not using rsync or something like that …

The problem is that I want a NAS solution, but I do not want to buy expensive NAS and I already have a mini PC that I use to stream movies (I do not want a NAS solution). do not need hard drives during this time, only ssd)

And I want a complete redundancy of data …

## To use the APK mirror, Primezy asks for credit card information. Is it safe?

When I try to use APKmirror, he asks me to join Primezy who, without good reason, asks for credit card information. Is it legitimate?