html – How to center elements in a div?

I'm trying to align the elements that are three circles with their respective descriptions in my div in the center using the following class:

.center {

However, I did not succeed this way, everything is left. These are the elements that I would like to align:

.ligado {
    background: yellow;
    width: 150px;
    height: 150px;
    border-radius: 50%;

.desligado {
    background: gray;
    width: 150px;
    height: 150px;
    border-radius: 50%;

.center {



Sala de estar

How could I center the elements in the div?

syntax – RegionCentroid and center of mass

If we have three masses $ m_1, m_2, m_3 $ (assuming everyone is equal to $ 1 $) located at $ r_1, r_2, r_3 $ respectively, then the center of mass is at $ (1.00,0.83) $. In the Wolfram Documentation page, it is indicated that RegionCentroid is called the center of mass. Therefore, if I create a triangle with vertices to $ r_1, r_2, r_3 $ the RegionCentroid should give me $ (1.00,0.83) $ and this is not the case.

The code I used is the following

r1 = {0.5, 0.5}; r2 = {0.5, 1}; r3 = {2, 1}; m1 = 1; m2 = 1; m3 = 1;
r1Arrow = Arrow({{0, 0}, r1}); r2Arrow = Arrow({{0, 0}, r2}); r3Arrow = Arrow({{0, 0}, r3});
centroid = (m1 r1 + m2 r2 + m3 r3)/(m1 + m2 + m3); centroidArrow = Arrow({{0, 0}, centroid});
(Rho) = Line({r1, r2, r3, r1});
Graphics({Thick, r1Arrow, r2Arrow, r3Arrow, {Red, centroidArrow}, Gray, (Rho),
  Text(Style("m1", 30, Black), r1 + 0.1),Text(Style("m2", 30, Black), r2 + 0.1),Text(Style("m3", 30, Black), r3 + 0.1)},
 Epilog -> {PointSize(0.02), Point@centroid, Gray, Point@RegionCentroid((Rho))})
centroid == RegionCentroid((Rho))

enter the description of the image here

where the black arrows represent the position vectors of the masses, the red arrow points to the center of gravity position (black point) calculated using the formula and the gray point corresponds to the RegionCentroid result $ (1.15,0.85) $.

If my understanding is correct, the center of mass and RegionCentroid formula should be the same, but it is clear that this does not happen. What do I miss?

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IP ad, data center change, how fast to perform?


colo servers at the data center-a,
and they help me to advertise my ip address on their asn.

if I move my servers to datacenter-b,
and ask that they help me announce my IP address,
the whole connection will go to data center-b.

they advertise my IP address to datacenter-b,
how long can it work?

I can not open my gnome control center. When I try to run from a terminal, the error "Segmented error (core dumped)"

A few days ago, the settings stopped working for me and I tried to reinstall the gnome control center without success.

Looking for a data center in Germany to rent racks

Looking for a data center in Germany to rent racks | Talk Web Hosting

& # 39;);
var sidebar_align = & # 39; right & # 39 ;;
var content_container_margin = parseInt (& # 39; 350px & # 39;);
var sidebar_width = parseInt (& # 39; 330px & # 39;)
// ->

  1. Looking for a data center in Germany to rent racks

    We are looking for a data center in Germany to rent racks.
    Please share your experience and suggest a data center in Germany.
    We are looking for a rack with 1 GB / s included under 1000 USD.

    Here are our requirements:


    1. English speaking staff
    2. We need remote hands service.
    Staff must be able to accept new servers (usually suppliers send it by DHL, UPS).
    To mount servers in rack and do initial BIOS configuration (set IP address for network management).
    To replace parts (hard disk, memory).
    Remote hands must be available 7 days a week (at office hours at least)
    3. We need to be able to keep a little stock with spare parts in the datacenter (10-20 HDDs, 10-20 RAM modules and so on).
    4. We need our IP networks to be announced by datacenter routers.
    5. We need a nullroute tool. To nullroute IPs with traffic anomalies. The best situation when datacenter equipment do it automatically by a preset of threshholds.
    6. We do not need much electricity. Most servers have 1 CPU Xeon E3.
    7. If DC can introduce a supplier with the best prices for Supermicro hardware - it would be great.

  2. I believe that Hetzner offers colo.

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Use a Windows VPS as download center for torrents

Hello. I am new to frequent torrent flights and have found that many torrents are extremely large and bulky for the bandwidth speed of my local network. I have a Windows VPS that has 300 Mb / s + download / download speeds and I would like to use it for Torrent.

My first idea: – Just download the files on the remote desktop connection, then drag them via the network drives mapped on the RDC in Win Explorer. This means that, for torrents of 500 GB and over, I have to keep the RDC connection open for abyssal transfer speeds, and (after testing), I found that it is actually faster than to download it from my side here (though, much more greedy bandwidth), so this is not an option.

I thought I could use my raspberry pi as a "man in the middle" for that. The VPS has only about 500GB of storage, but on an SSD, so it offers very good data transfer rates. I would like the continuous download of my client torrent on the VPS drive directly to the SSD, rather than configuring it to download it. directly on a remote reader.

MSI Dragon Center unopened [on hold]

I can not open Dragon Center. When I press the Dragon Center icon, it tries to load (load animation with the mouse point), but it does not open.
I reinstall Dragon Center. but it does not work for me

ServaxNet, LLC Announces Launch of New Data Center Located in New Castle, Pennsylvania

ServaxNet, LLC Announces Launch of New Data Center Located in New Castle, Pennsylvania

City Council Welcomes Growth Potential for Expansion of Local Technology Sector

NEW CASTLE, PA – October 18, 2019 – With the help of the New Castle, PA municipal council, ServaxNet, LLC has purchased and will renovate the former headquarters of Penn Power, a 42,000 sq. Ft. Commercial building that has been vacant for more than a year. a decade. In addition to helping to increase job creation in New Castle, the technological transformation of the building clearly indicates that New Castle is home to the technology sector.

For ServaxNet, LLC, the data center will increase the breadth and speed of their managed services through a broader network of geographic locations that will now include US data centers located in the East (New Castle), Central ( Dallas) and West (Las Vegas). ). For ServaxNet, LLC customers located on the East Coast and in Europe, their latency will be significantly reduced.

The data center is expected to be completed and will be fully operational by 2020.

For Dennis Liang, CEO of ServaxNet, LLC, "New Castle was our first choice as a strategic location. The New Castle City Council has not only provided enthusiastic support for the project, but we also hope to have a positive impact on the community. "

Tom Smith, New Castle City Council member, acknowledges that the ServaxNet data center will likely have a long-term positive impact on the local economy. "I am very pleased to learn that ServaxNet, LLC has decided to buy and locate the company in the vacant area. Penn Power Building. Daniel Romanowski and Dennis Liang have expressed their commitment to renovate an existing building and create a technology-based business district in our downtown. I am convinced that this type of 21st century technological presence in New Castle could potentially lead to further growth and future expansion. "

About ServaxNet, LLC

ServaxNet, LLC is a managed services company specializing in custom hosting and server management solutions for all industries.

If you would like to know more about ServaxNet, LLC, please contact

cmd Launches Windows Software Center to Install Remote Updates

I have a network that uses SCCM and the sccm administrator is never there. I need a way to batch boot Windows Software Center (sccm client) and install all available updates. The machines are turned on at different times and a scheduled maintenance window moves according to the user's workload. I currently have to connect to each station and launch the GUI. need a batch solution cmd. Powershell has not worked and third-party software is out of the question. Any ideas how to remotely launch the software center and install the software available remotely with the command propt? WMI? please help.

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