How to adjust table column width with CSS

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How to Add Custom Column in Sales Order Table and Display in Admin Grid and Sales order view?

I want to add a custom attribute in sales order table I have added it using db_schema it is also showing in DB but how will I show it on admin grid and sales order view I also want to change it from admin panel and when creating order from admin it should also show there.Path to my module using is app/code/EAV/OrderAtt. Here is my db_schema file:

<schema xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"      xsi:noNamespaceSchemaLocation="urn:magento:framework:Setup/Declaration/Schema/etc/schema.xsd">
<table name="sales_order" resource="sales" engine="innodb" comment="Sales Order">
<column xsi:type="datetime" name="delivery_date" nullable="true"  comment="Delivery Date"/>
</table>
</schema>

Please tell which files do I need for this? I am using magento 2.35.

Table returns different value depending on index

I have a problem, where I am trying to find the number of eigenvalues of a matrix smaller than 1. The matrix has a general form, given by

m(n_) := ReplacePart(IdentityMatrix(n/2), {i_, j_} -> Min(i, j) (-1)^(i + j));

where $n$ is even. I’ve defined the function that counts the number of eigenvalues smaller than 1.

f(n_):= Length(Select(Eigenvalues(f), LessThan(1)));

When I try to construct a table of the number of eigenvalues smaller than 1 for $n =4,6,8,…$ something very weird happens. Mathematica returns different tables depending on the index I use in the table. I.e., the two tables

Table(f(m(n))), {n, 4, 60, 2})
Table(f(m(i))), {i, 4, 60, 2})

are not the same. Has anyone encountered this and does anyone have an explanation?

How to create an infinite Table of numbers

I wish to create to generate the set ${pm , 5^n : nin mathbb{N}cup {0} }$ and solve the equation $a+b =c+d$ for all elements quadruplets $a,b,c,d$ in the set which satisfy it.

How would I go about this problem. I know how to use the Table and Solve commands in general but not in this particular case

Why would a select on a single table refer to another table?

I have a simple select on a table, but the execution plan shows that another table is involved, in another database. This is definitely a table and not a view and I can’t see database auditing turned on so what could cause this?

enter image description here

How can I design Person table in MySQL?

I have two person type: Users and Clients.
Users can login the panel but clients can’t login the panel.
My current database: (but this design not good for me. I need to connect these tables to the Persons table.)

My database:

You can see these tables storing same data like: firstName, lastName… but the difference is that the customer does not have a password.
enter image description here

How can I connect these tables to Persons table.

  • Users can login with email and password.
  • Client can’t login but have email for contact.

postgresql – Postgres Specific table access

We have a requirement in our Postgres Database, We want to give specific table permissions to a particular set of user, we also have airflow in our environment which syncs tables, but sometimes any new columns are added to a table so we have to drop the table, due to which the specific table access for the user is gone. Access to a specific table is given through GRANT. Can you guys suggest us a way in which specific table access can be given, and will remain if the table is dropped and recreated?

Problem in the table for the case where there is no number

For different values of time & force in At formula, I have a problem with the first case, which requires the first At, and I can not fix it. Also, in the table, how can I automatically enter values? I want to say that I want a table from 1 to n with At,time,forc

m = 1266.5 ;
k = 50   ;
Pt = ( {
    {0, 0},
    {.2, 1000},
    {.4, 0},
    {.6, -1000},
    {.8, 0}
   } );
ListLinePlot(Pt);
(Omega) =  N(Sqrt((k*1000)/m), 5);
Round(T = (2*N(Pi, 5))/(Omega), 0.1);
(CapitalDelta)t = Round(T/10, 0.1)
time = NestList(# + (CapitalDelta)t &, Part(Pt, 1, 1), 
  Round(FixedPoint((#) &, (Part(Pt, 5, 1)/(CapitalDelta)t))))
forc = Table(p1 = Interpolation(Pt, InterpolationOrder -> 1); 
  P1 = p1(time((i))), {i, 1, Length@time - 1})
At = Table(
  At((i - 1)) + 
   1/(Omega)*(time((i)) - (forc((i)) - forc((i - 1)))/(
       time((i)) - time((i - 1)))*
       time((i - 1)))*(Sin((Omega)*time((i))) - 
      Sin((Omega)*time((i - 1)))) + 
   1/(Omega)^2*(forc((i)) - forc((i - 1)))/(
    time((i)) - 
     time((i - 1)))*(Cos((Omega)*time((i))) - 
      Cos((Omega)*
        time((i - 1))) + (Omega)*(time((i))*Sin((Omega)*time((i))) -
          time((i - 1))*Sin((Omega)*time((i - 1)))))
  , {i, 1, Length@time - 1})
data = {{{Subscript(t, i), s}, {Subscript(p, i), N}}, {Part(time, 1), 
    Part(forc, 1)}, {Part(time, 2), Part(forc, 2)}, {Part(time, 3), 
    Part(forc, 3)}, {Part(time, 4), Part(forc, 4)}, {Part(time, 5), 
    Part(forc, 5)}, {Part(time, 6), Part(forc, 6)}, {Part(time, 7), 
    Part(forc, 7)}, {Part(time, 8), Part(forc, 8)}};
Grid(data, Alignment -> Center, Spacings -> {2, 1}, Frame -> All, 
 ItemStyle -> "Text", Background -> {{Gray, None}, {LightGray, None}})

What tools can be used to stream a data table out of sql server to a csv without reading it fully into memory?

I have a clunky script using BCP to pull a table without memory usage. I know I can use powershell commands to pull tables and write csvs but those commands read the entire table into memory, and I have some huge tables. Are there any other command line tools that will let me stream a table out of sql server (on the local windows machine) and into a csv?

R can’t find my new function for a table?

After creating a function called df5, R can’t run the following code as it can’t find the data function. What can I do to fix this?

Could not find function df5