## HELP TO FIND A SCAMMER

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HELLO WE ARE SOME PEOPLE WHO SCAMMED FROM SOMEONE FROM GERMANY BUT MAYBE IS NOT IN GERMANY BY SOMEWHERE IN ASIA I HAVE SOME OF HIS SCREENSHOTS IF SOMEONE CAN HELP US TO FIND THE BITCOIN VALUES WILL BE VERY HELPFUL FOR US THANKS! MY MAIL IS NEXTLEVEL@HOTMAIL.GR

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## How to find old timers ?

Well I am promoting few products for people aged 50-60 in us.
So far running fb campaign is not getting much leads.
Any idea where I can find them ? is there any forums and such where they visit ?
or anybody sells their data here ?

help needed pls.

## machine learning – How to find the relation between two models, and sort of inductive bias is that is implemented in those models

I am pretty new with data science and Machine Learning. I am learning form one textbook and I found this task. I have no Idea from where to start and what relation could be. Any help would be great.

Suppose we want to learn the Boolean function in instance space
$$X$$={0,1}$$^3$$. We are given two models to examine: H1 is a set of all
logical functions in the conjunctive normal form (CNF), H2 is a set of
logical functions which can be displayed in Horner form (disjunction
of literals with at most one positive). I need to explain what is the
relation between H1 and H2, and which sort of inductive bias is
implemented in those models.

## How to use arrayformula to find and get data from only a certain, dynamic set of columns in another Sheet?

I saw a proposed solution here, but it didn’t work for me.
How to use arrayformula to find and get data from only a certain, dynamic set of columns?

Using formula:

SUBSTITUTE(ADDRESS(4, MATCH("BB", 3:3, 0), 4), "4", "")))

I am trying to do something similar but it’s not working (“Formula parse error”)

Differences from the original (above):

• I’m trying to do an average, not a sum.
• The data to compare and average are both on another Sheet.

I want to be able to average a column of data below a header from another Sheet,

if the header on that Sheet (‘Vends’!) matches the cell to the left on the current Sheet (‘AGG-Vends’!).

Eg. If the header on row 2 of Sheet Vends! matches A2 on Sheet ‘AGG-Vends’!,

I want to average all the values below that header (row 3 and so on,

with an indeterminate number of values to be added).

My headers on Vends! Sheet are on row 2, so I modified the row number from which to start searching, to row 3.

=AVERAGE(INDIRECT(
ADDRESS(3, MATCH(A2, Vends!A2:2, 0), 4, TRUE, Vends!)&":"&
SUBSTITUTE(
ADDRESS(3, MATCH(A2, Vends!A2:2, 0), 4, TRUE, Vends!),
"3", "")))

My formula is in B2 on “AGG-Vends’! Sheet (highlighted Blue).
sample Sheet

(Vends may be added or moved around, etc., so I was attempting to circumvent any Sheet-wide catastrophes of having to remodd formulas to fix)

## How can I find which table belongs to which two users in a MySQL database that stores user messages?

I’m building a chat application in which I want to store user messages in a MySQL database. I have came up with the solution of creating a seperate database for messages and creating tables for each conversation between users. One example table would look like this:

+-----------------+-----------------+------+-----+---------+----------------+
| Field           | Type            | Null | Key | Default | Extra          |
+-----------------+-----------------+------+-----+---------+----------------+
| message_count   | bigint unsigned | NO   | PRI | NULL    | auto_increment |
| message_content | varchar(2000)   | YES  |     | NULL    |                |
| sent_by         | varchar(32)     | YES  |     | NULL    |                |
| sent_at         | datetime        | YES  |     | NULL    |                |
+-----------------+-----------------+------+-----+---------+----------------+

But how would I be able to figure out which table should I load for a given two users? I could store the usernames of both participants of the chat room in a column named “participants” seperated by a whitespace and use a query that looks like SELECT FROM chats WHERE participants LIKE username, but that does not sound like a healthy solution at all.

## How do I find out what app is showing notifications?

Several times a day my Android phone (Samsung Galaxy A51, Android 11) is showing this notification We're having trouble connecting - Check your network connection and try again. If I stay offline this notification will return every few minutes. How can I find out which app is posting these notifications and most importantly how do I get rid of them? Long-clicking the notification doesn’t show anything.

## Table/list: find the last real number element of each row to constitute a list

I have a list (Table), mostly composed of real numbers. The list also contains some non-real elements. The list is similar to the following (but much much larger):

{{0.11011887269, 0.02087291466, 0.02082444233, 0.02083704779,
0.02084940959, 0.02086181292, 0.02087425501, 0.02088673503,
0.02089925331, 0.02091181001, 0.02092440529, 0.02093703933,
0.02094971232, 0.02096242441, test1(18, 15)}, {0.10941526373,
0.017604005802, 0.017549654594, 0.017558686829, test1(19, 5),
test1(19, 6), test1(19, 7), test1(19, 8), test1(19, 9),
test1(19, 10), test1(19, 11), test1(19, 12), test1(19, 13),
test1(19, 14), test1(19, 15)}, {0.10890647143, 0.014986243752,
0.014927392616, 0.014934004368, test1(20, 5), test1(20, 6),
test1(20, 7), test1(20, 8), test1(20, 9), test1(20, 10),
test1(20, 11), test1(20, 12), test1(20, 13), test1(20, 14),
test1(20, 15)}}

I would like to construct a single row or column list that preserves the last real number element of each row of the above list. For example, with the above table, the resulting list should contain only 3 elements as:

{0.02096242441, 0.017558686829, 0.014934004368}

How can this resulting list be automatically constructed from the original one?

## sets – Most efficient way to find equivalence classes of an equivalence relation

This is a most basic thing and is probably just built-in but I am ignorant of it, so…

I’ve got some set S={a,b,c,...} and a function equivalent(x_,y_) returning either True or False (or failing), which is an equivalence relation (that is, reflexive, symmetric and transitive). I would like to subdivide S into classes such that all elements within each class are equivalent in the sense of this function, and no elements from different classes are equivalent.

The only way that came to my mind (and I am actually using it) is most probably awfully inefficient:

ConnectedComponents(Graph(Table(p((1))<->p((2)),{p,Select(Subsets(S,{2}),equivalent@@#&)})))

What is the best way to do it?

## magento2.3 – Sorry, something went wrong. You can find out more in the error log

magento2.3 – Sorry, something went wrong. You can find out more in the error log – Magento Stack Exchange

## data structures – Given a binary min-heap, find the \$k\$-th element

I’m given a binary min-heap (implemented with an array) and need to come up with a (simple) efficient (no more than $$k$$ comparisons) to find the $$k$$-th minimal element.

My attempt was as follows:

1. check who is the smallest among the root children
2. scan the corresponding sub-heap maintaining a counter counting how many nodes are smaller than the larger child of the root (but larger than the smaller child). If the counter reaches $$k-1$$ return the value of the current node. other-wise after the scan is finished, call this method recursively on the larger root child to find the ($$k$$ $$-$$ couter_value + 1)-th minimal element of the larger child.

I just can’t put this together formally and not sure this can be implemented with no more than $$k$$ comparisons.

Thanks for any help.