nobrainer | Ruby ORM for RethinkDB | Database library
kandi X-RAY | nobrainer Summary
kandi X-RAY | nobrainer Summary
Ruby ORM for RethinkDB
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QUESTION
In a two node scenario, using roundrobin, I want haproxy to dispense two requests to each node before switching to the next node.
I have a messaging application, which makes one request for getting a messageID, then the next for sending the message.
If i use a standard roundrobin algorithm on two backend servers, this leads to one server only getting the messageID requests, and the other doing all the message sending.
This is not really balanced, as providing messageIDs is a nobrainer to the server, and handling the messages, which can be up to a few hundret MBs, is all done by the other node.
I had a look at weighted roundrobin, but if seems not to work out, when using a weight of 2 for both servers, as the weights seem to get calculated relatively to each other.
I'd be glad for any hint, how to achieve haproxy switching the backend nodes after sending two requests, instead of one.
this is my current configuration, which still leads to a claer one here one there round robin pattern:
...ANSWER
Answered 2019-Aug-26 at 11:45To get the behavior you want where requests go to a server 2 at a time, you can add an extra consecutive server line for each backend, like so:
QUESTION
I use rethinkdb and nobrainer as my ODM. Will Hyperstack be in sync with my models? i.e. state syncing between the backend db and the frontend?
...ANSWER
Answered 2019-May-03 at 19:49As of right now HyperStack/HyperModel has a direct dependency to ActiveRecord
so there is no real way to utilize this library without also using ActiveRecord as well.
Excerpt from hyper-model.gemspec
spec.add_dependency 'activerecord', '>= 4.0.0'
This seems to be due to the ActiveRecord API binding: https://hyperstack.org/edge/docs/dsl-isomorphic/models#activerecord-api
Hyperstack uses a subset of the standard ActiveRecord API to give your Isomorphic Components, Operations and Stores access to your server side Models. As much as possible Hyperstack follows the syntax and semantics of ActiveRecord.
QUESTION
I want to use react-spring for some basic animation. All examples that I can find is based on JSX, which most people obviously are using when developing react. However in the project I am implementing it, JSX have been turned off, also import
is illegal, only require
is available. This is some es-lint settings to keep code convention.
I have tried following:
...ANSWER
Answered 2019-Apr-02 at 10:06Looking at the very first example of https://www.react-spring.io/docs/hooks/basics as it looks to me you are trying this from JSX to non JSX.
So the original example is:
QUESTION
My environment is Python 2.7, running on Windows 10.
I'm writing a Tkinter application which is going to include a "recent files" menu for the user's convenience. To create that menu I not only need the ability to add, delete, and re-order menu entries dynamically, but also to identify how many entries are present, and what those entries are. I want this to support the logic that will "cap" the file listing to (say) the five most recent files, deleting the older ones as new files are added to the list. It would also support the ability to "clear history", deleting all the existing entries.
Adding, deleting, and re-ordering the menu content for a single known item is a nobrainer; the add_command()
, delete()
, and insert_command()
methods will cover these use cases. But I've checked several online references and I can't locate a method or attribute that will tell me the current content of the menu, or even one to tell me how many entries the menu currently contains.
Do such attributes/methods exist? Or must I apply a sledgehammer approach, like repeatedly executing the entrycget()
method index-by-index until it encounters an exception?
ANSWER
Answered 2018-Aug-20 at 22:23You can use the index
method with a parameter of "end"
to get the index of the last item.
QUESTION
This should be like nobrainer question., but it intrigues me.
I want to load a roster of countries into the database and yes, I know I could easily do it directly by importing the csv either in mysql or postgres, and I could also write the code snippet into the console (very inconvenient) and would work fine, but I wonder how you do it in django. Because, if I have this:
...ANSWER
Answered 2018-Jul-09 at 14:20You could write a custom management command which calls your loadcountries
method.
This would allow you run:
QUESTION
This might be a nobrainer but as a novice i can not get my head around it.
I have a function returning a fixed size array. I am trying to convert this array into a record of the same size
The function signature is like this:
...ANSWER
Answered 2018-Jan-25 at 22:11Unchecked conversion is the usual way.
But for I/O ports and peripheral registers in MCUs (Atmel AVR, MSP430 etc) which can be addressed either as numbers, or arrays of booleans (or potentially, records) there's a hack ...
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On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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