GameSystem | Game Sales Simulation : C # project with a Class | Game Engine library
kandi X-RAY | GameSystem Summary
kandi X-RAY | GameSystem Summary
Game Sales Simulation : C# project with a Class,Interface,Inheritance.
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QUESTION
I am running MySQL 5.7 on both my server and my local machine. I am using Symfony 4.4 and Doctrine. On my dev machine the following query (with the same DB dumped from the server) executes in ~2s, while it takes 35s+ on the server. I assume this is linked to limitations of the server (less RAM, etc.) but I can't really throw additional memory in there. Therefore, I am looking at how I could improve the following the query - originally generated by Doctrine. I replicated the same slowness by executing the same query directly in phpMyAdmin on the server so I know for sure the query is responsible. I am a bit stuck here and would appreciate any help or pointers in the right direction: Do I need to try to split the queries? Should I try to add indexes (besides the PK and FK the column referenced in the where clause are not indexed) ? Thank you all for the help!
...ANSWER
Answered 2020-Jul-30 at 20:19The ORDER BY pivot_price_5 ASC
is useless. This is because a subquery is, but definition, an unordered set. (Adding a LIMIT
makes it no useless.) But it seems like you should get rid of the inner subquery.
DISTINCT
with LIMIT
-- you are aware that the DISTINCT
happens first?
There are two ranges and one IN
in the main WHERE
; only one of them can use an index. I suggest you have each of thefollowing so that the Optimizer can pick the better. (Note: With a different dataset, the Optimizer may pick a different INDEX
, with different performance.)
QUESTION
I have the following object, stored in a variable ($gameSystem._ipLookupJSON
):
ANSWER
Answered 2019-Jun-09 at 04:38Your problem was that you wasn't returning anything in the function scope and you should have return the promise(s).
QUESTION
Why does my program crash when i remove the SDL_PollEvent line from main? I wanted to keep input management in my gamesystem class without using events.
I have also tried putting the !gamesystem.boot() within the while statement itself as well to no avail.
Main:
...ANSWER
Answered 2018-Aug-21 at 14:47Your program does not crash, it is just ignoring inputs (it is "not responding"). It will just run gamesystem.boot()
repeatedly without ever detecting your imputs.
Actually, SDL_PollEvent()
internally calls SDL_PumpEvents()
which updates inputs. When you remove SDL_PollEvent()
, SDL never updates its internal input device state, so SDL_GetKeyboardState()
always returns its initial state.
Replacing your PollEvent loop with SDL_PumpEvents()
should solve this.
QUESTION
I'm not sure whats going on here I keep getting an unexpected identifier return on my first line of code but I can't tell whats going on is there something wrong with my code or is it my compiler?
...ANSWER
Answered 2017-Nov-13 at 18:59Java doesn't have modules like VB does (at least last time I checked). So you're missing a class statement to wrap your code I guess.
QUESTION
I made a player class which holds everything related to the player. Can I call player.h in my GameSystem.h and do cout your health and go player._health. Am I doing something wrong cause it says class player type name is now aloud.
...ANSWER
Answered 2017-Aug-16 at 16:56You probably understands the concept of private/public. If not, you should understand that private means that, everything on that scope cannot be accessed from outside. For your problem you should create a public method, like your getPosition that returns the health, like
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