How to trigger Mysql parallel query function to start?

Please help,how to trigger Mysql parallel query function to start? MySQL version is 8.0.19.

mysql> show variables like 'innodb_parallel_read_threads'; +------------------------------+-------+ | Variable_name                | Value | +------------------------------+-------+ | innodb_parallel_read_threads | 4     | +------------------------------+-------+ 1 row in set (0.00 sec) 

Judging from the execution plan, although the cost value is high, it does not trigger parallel queries.

mysql> explain analyze SELECT count(a.name) FROM b,a WHERE b.id = a.id AND a.id < 10000\G *************************** 1. row *************************** EXPLAIN: -> Aggregate: count(a.`name`)  (actual time=79199.970..79199.971 rows=1 loops=1)     -> Inner hash join (b.id = a.id)  (cost=29804029261222.55 rows=29803521726988) (actual time=52129.791..79198.823 rows=9999 loops=1)         -> Table scan on b  (cost=31.81 rows=18758239) (actual time=0.385..19630.712 rows=20000000 loops=1)         -> Hash             -> Filter: (a.id < 10000)  (cost=4909601.51 rows=15888229) (actual time=2.266..52117.583 rows=9999 loops=1)                 -> Table scan on a  (cost=4909601.51 rows=47669458) (actual time=2.262..48985.413 rows=50000000 loops=1)  1 row in set (1 min 19.25 sec) 

number guessing (java) in google kick start [closed]

Below is the code which is running fine locally but when i submit the code it gives runtime error. import java.util.Scanner;

class solution{ public static void solve(Scanner input, int a, int b ){     int q=(a+b)/2;     System.out.println(q);     String s=input.next();     if(s.equals("correct"))         return ; else if(s.equals("WRONG_ANSWER"))     return ;     else if(s.equals("TOO_SMALL"))         solve(input,q+1,b);     else if(s.equals("TOO_BIG"))         solve(input,a,q-1); }  public static void main(String args[]){     Scanner input=new Scanner(System.in);     int T=input.nextInt();     for(int i=1;i<=T;i++){         int a=input.nextInt();         int b=input.nextInt();         int n=input.nextInt();         solve(input,a+1,b);     }  } 

}

start proxy server on docker containers for http request from host

I have a docker container connected to a VPN, but sometimes i need to open a URL on browser for debug.

I cannot run the VPN on my host machine for security reasons, specifically i want to open the URL in my host machine and intercept request with BURP Suite, i already tried some “python proxy servers” from github to start a proxy on my docker machine and connect my host to it, without success.

Someone did something similar?. any ideas?

PD. sorry for my english. 🙂

Could an elf PC start adventuring at the age of 20?

I’m helping my friend make an Elf to play in a campaign I’m making. We wanted him be around the same age as the other player’s characters, which is early-mid twenties, so that he is not far more experienced than them.

That being said, according the 5e Player’s Handbook, Elves are generally considered adults at 100 or so, despite reaching physical maturity at close to the same time as human.

What I’m asking is if it will be weird for a 20ish-year-old Elf to be an adventurer, or would that be considered to young? If it’s the latter, what age should the Elf be?

I know that, no matter what, the Elf could be ~20, but if it wouldn’t make a lot of sense we don’t really want to have it like that.

what is the best Dungeons & Dragons Official Homepage for to Start playing

A human in clanging plate armor holds her shield before her as she runs toward the massed goblins. An elf behind her, clad in studded leather armor, peppers the goblins with arrows loosed from his exquisite bow. The half-orc nearby shouts orders, helping the two combatants coordinate their assault to the best advantage.

A dwarf in chain mail interposes his shield between the ogre’s club and his companion, knocking the deadly blow aside. His companion, a half-elf in scale armor, swings two scimitars in a blinding whirl as she circles the ogre, looking for a blind spot in its defenses.

A gladiator fights for sport in an arena, a master with his trident and net, skilled at toppling foes and moving them around for the crowd’s delight—and his own tactical advantage. His opponent’s sword flares with blue light an instant before she sends lightning flashing forth to smite him.

All of these heroes are fighters, perhaps the most diverse class of characters in the worlds of Dungeons & Dragons. Questing knights, conquering overlords, royal champions, elite foot soldiers, hardened mercenaries, and bandit kings—as fighters, they all share an unparalleled mastery with weapons and armor, and a thorough knowledge of the skills of combat. And they are well acquainted with death, both meting it out and staring it defiantly in the face.

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What is the “gauntlet” start system for character creation?

A while back in a stat discussion, someone mentioned that they used something called a “gauntlet” start for character creation. It was a post on Reddit, either for Kingmaker or regular Pathfinder.

I remember him saying that it made his stat array fixed to the point where he couldn’t even choose what went where, and he wanted advice on what class to pick as a result. Multiple people in the comments acknowledged its existence and a few even brought up their opinions on the system.

Sadly I can’t find anything on it, yet my curiosity is getting the best of me. There was a massive amount of equipment and unarmed strike stuff when I googled it, but in spite of excluding all that stuff I couldn’t find what I needed. (The post I saw originally did not mention equipment at any point, gauntlet or otherwise.)

What is the “gauntlet” start system for character creation?

What online guides are there that can aid someone to start a forum roleplay? [closed]

I am not sure if this is the right exchange to ask and I am not sure if the wording will be correct but here it goes.

I am quite fond of Post by Play forum roleplays where I can post whenever I feel inspired however my partner says that she had several negative experiences with them. As such as a gift from me to her I was planning to start a forum roleplay where it would be our world so that she felt like she could contribute and fix things that otherwise bugged her.

The setting itself is a fantasy setting that focuses on exploration with a small system similar to roll for shoes slapped into it to simulate character advancements(Lacking such a thing has always been one of the biggest problems for me in most places.)

Now while I have some experience playing in forum roleplays with an unified setting my experience is severely lacking when it comes to administrative department.

As to what I wish to ask(And I’m sorry for what appears to be a rant. I just wanted to clarify what kind of experience I have with forum roleplays,what I have in mind and for what purpose I am creating this.) I am in dire need of sources I can read in order to prepare an inclusive environment that doesn’t feel toxic or overly restrictive so I’d like to know where I can read up on sources that can be of aid to me.