Should I use a single Dedicated server or a different VPS for each user?

Should I use a single Dedicated server or a different VPS for each user? | Web Hosting Talk


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  1. Should I use a single Dedicated server or a different VPS for each user?


    I’m offering a Managed WP service for WAAS. SO I’m creating a custom dashboard instead of cPanel for users .So what I wanted to ask is which is better create a digital ocean VPS for each order automatically or divide a dedicated server among mine clients. Which is better. Also if someone can tell me should I include SSH and root access in mine dashboard. Or should I copy the features of Grid pane with adding some features for mine niche.













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algorithm – First non-repeating Character, with a single loop in Python

As has been pointed out in the comments and @Kraigolas’s answer, the existing algorithm doesn’t work. Here’s why.

In the string "xxy":

  1. The algorithm first considers the third character, "y". It finds it has not encountered it before, so records it as a preliminary out value. It adds it to smap with value 1.
  2. The algorithm next considers the second character, "x". It finds it has not encountered this character before, either. It discards its previous preliminary out value, "y", and adopts "x" as its new preliminary out value. It adds "x" to the dictionary with value 1.
  3. The algorithm now moves on to the first character, "x". It realises that it has seen this one before, so adds 1 to the associated value in smap.
  4. The algorithm has now finished iterating through the loop. Its current out value is "x", but when it looks it up in the dictionary, it finds it has encountered "x" more than once. As a result, it assumes that there are 0 characters that it has seen only once, and returns None.

It is impossible to fix the current implementation of the algorithm while keeping to the condition that there should be “only a single loop”. If you were to relax this restriction, you could fix your current algorithm like this:

def first_non_repeater(string):
    smap = {}

    for i in range((len(string) - 1), 1, -1):
        char = string(i)

        if char in smap:
            smap(char) += 1
        else:
            smap(char) = 1

    while True:
        try:
            key, val = smap.popitem()
        # KeyError is raised  it you try to do .popitem()
        # on an empty dictionary
        except KeyError:
            return None
        else:
            if val == 1:
                return key

But at I say, this breaks the condition that only one loop is allowed.

I like @FMc’s answer using collections.Counter a lot; I think this is probably the most pythonic way of doing this.
The following solution, however, would be my attempt at a solution that only uses builtin data structures (nothing from collections), and that only uses a single loop. The solution only works on python 3.6+, as it relies on dicts being ordered. Feedback welcome:

from typing import TypeVar, Union, Optional

T = TypeVar('T')

def first_non_repeating_char(
    string: str,
    default: Optional(T) = None
) -> Union(str, T, None):
    """Return the first non-repeating character in a string.
    
    If no character in the string occurs exactly once,
    the function returns  the default value.

    Parameters
    ----------
    string: str
        The string to be searched.
    default: Any, optional
        The value that is returned if there is no character 
        in the string that occurs less than twice,
        by default None

    Returns
    ------
    Either a string of length 1, or the default value.
    """
        
    # Using a dictionary as an ordered set,
    # for all the characters we've seen exactly once.
    # The values in this dictionary are irrelevant.
    uniques: dict(str, None) = {}
        
    # a set for all the characters
    # that we've already seen more than once
    dupes: set(str) = set()   
    
    for char in string:
        if char in dupes:
            continue

        try:
            del uniques(char)
        except KeyError:
            uniques(char) = None
        else:
            dupes.add(char)

    # return the first key in the dictionary
    # if the dictionary isn't empty.
    # If the dictionary is empty,
    # return the default.
    return next(iter(uniques.keys()), default)

Chicago Single Server Colocation | Web Hosting Talk


Looking for single server colocation service providers around Chicago, preferably in the downtown area. Been looking online but the search engines just really like the big guys that don’t do single server colocation.

My requirements:

  • Server maxes out around 550W
  • 30TB+
  • /29 IPv4 allocation
  • DDoS protection
  • Network/power/cooling redundancy (at least N+1 preferred)
  • SLA preferred

Requirements can be included in the base cost or can be extra.

Thank you!

javascript – How can I embed non-google ads on my single page react app?

I have a single page reactjs application that serves movie information whenever a user searches for it.

I recently decided to monetize it with Adsterra since I don’t have google AdSense, however, every single library out there for embedding ads in react apps seems to be built around google AdSense or google AdSense manager.

I’ll really appreciate it if someone here can point me in the right directions, or perhaps give me some hints on how to build an ad component myself.

Or perhaps a npm library that is easy to use, where I can place the ad scripts and have them displayed on my page.

R how to turn all rows data in a dataframe to a single string?

I have a tibble df, and if I do the below, I get all rows data in below format.

df = tibble(A1=c("A03816","A03817"))
> df(("A1"))
(1) "A03816" "A03817"

But I want those 2 words in the same string like below, how can I do it?


(1) "A03816 A03817"

How can I include two formulas in a single cell in Google Sheets?

I’m in the process of making a spreadsheet of stocks that I’m watching in Google Sheets. I want to include the daily price and percentage change in a single column. I found a helpful Docs Editors thread, and I was able to get it working the way it’s formatted in the answer from that thread.

What I’m starting with is the following input (A2 contains a ticker symbol):

=GOOGLEFINANCE(A2,”change”)&” | “&GOOGLEFINANCE(A2,”changepct”)

That displays this (using random numbers):

1.25 | 3.15

That technically works. However, I’d like the data to display in a different way. This is what I’d prefer:

+$1.25 (+3.15%)

The parentheses are the most important part, but I’d also like to show the dollar sign, percent symbol, and plus symbol if possible (the minus symbol will always show for negative values, but I want to also always see the plus symbol for positive values).

I’ve changed the input to the following:

=GOOGLEFINANCE(A2,”change”)&” (“&GOOGLEFINANCE(A2, “changepct”)”)”

That gives me an error that says, “Formula parse error.” Changing it to

=GOOGLEFINANCE(A2,”change”)&” (“&GOOGLEFINANCE(A2, “changepct”)

gives a functioning result, but it’s of course missing the closing parenthesis. The cell displays as

1.25 (3.15

What am I doing wrong? Any help is appreciated!

google sheets – Need help referencing data from another tab and inserting the result in a single cell

Enter this formula in sheet “Prepack Dashboard”, cell E2.

=ArrayFormula(IF(isblank($A2:$A),"",VLOOKUP(A2:A&B2:B,{'Inventory Minimums'!$A$2:$A&'Inventory Minimums'!$B$2:$B, 'Inventory Minimums'!C2:C},2,0)))

Breakdown
VLOOKUP looking up an array (the part in curly braces)

  • VLOOKUP(A2:A&B2:B,{'Inventory Minimums'!$A$2:$A&'Inventory Minimums'!$B$2:$B, 'Inventory Minimums'!C2:C},2,0)
  • this takes the combined value of the “Strain” and “Inventory Type” from columns A&B of “Prepack Dashboard”, and looks that up in the combined columns A & B of “Inventory Minimums”
  • when it finds the lookup value, it returns the value from Column C (which is the minimum quantity).

ARRAYFORMULA

  • This allows the formula to be automatically copied down for as many rows as there is data. Without this, VLOOKUP would have had to be copied manually. Even if ARRAYFORMULA was applied to the VLOOKUP, it would not automatically copy it down the column.

IF and ISBLANK

  • This is the “trick” that enables ARAYFORMULA to copy the VLOOKUP formula down the column.
  • This passes an array to ARRAYFORMULA which it can useuses to copy down the column.

Can I use AdSense for a single domain with some pages not followed policy?

I have a web blog and I want to write some ethical hacking, hacking mitigation and not hacking related content.

Can I include AdSense for only pages that follows policy and not include in pages that break policy ?

AdSense policy apply to a domain or just pages includes AdSense ?

multistore – Wanting to remove multi stores and go back to single store view scope in Magento2.3

Is it possible to switch our store back to single store mode? Is this possible now? It says,

“This setting will not be taken into account if system has more than
one store view.”

We have two stores on Magento2.3.5. However, we are wanting to remove one of these stores and its views from admin, since we never use it. No products and not much data has been saved on the other store view. However, switching to single store mode in does not do anything and I take it because it still sees the other store views so it does not take that setting into account.

Would I have to remove 2nd stores website? I did not see an option to remove store.

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Hosting Bot, LLC – DAL – Single Server Configurable Colocation – Starting $55/m

Hosting Bot, LLC – DAL – Single Server Configurable Colocation – Starting $55/m | Web Hosting Talk


‘);
var sidebar_align = ‘right’;
var content_container_margin = parseInt(‘350px’);
var sidebar_width = parseInt(‘330px’);
//–>









  1. Lightbulb Hosting Bot, LLC – DAL – Single Server Configurable Colocation – Starting $55/m


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