Request limit of graph.facebook.com
The facebook API allows up to 600 requests per 600 seconds.
If you poll more often, you'll get no or malformed answers.
Related cards:
Webservice to test and inspect requests
Requestb.in is a webservice that gives you a temporary URL you can use to test request. The page will automatically record and display the latest web request made to it.
request_store: Per-request global storage for your Rails app
Ever needed to use a global variable in Rails? Ugh, that's the worst. If you need global state, you've probably reached for
Thread.current.
When you're using Thread.current, you must make sure you're cleaning up after yourself. Else, v...
How to implement simple queue limiting/throttling for Sidekiq
The sidekiq-rate-limiter gem allows rate-limiting Sidekiq jobs and works like a charm. However, it needs to be integrated on a per-worker basis.
If you want to limit a whole queue instead, and if y...
Limitations you should be aware of when Internet Explorer 9 parses CSS files
Internet Explorer until version 9 has some limitations when parsing CSS files
Summarized, these are:
- Up to 31 CSS files or tags per page.
- Up to 4095 selectors per CSS file.
- Up to 3 nest...
Limiting CPU and memory resources of Paperclip convert jobs
If you're using Paperclip to store and convert images attached to your models, processing a lot of images will probably cause headache for your system operation colleagues because CPU and/or memory peaking.
If you're on Unix you can use nice ...
Guidelines for Pull Requests and Code Reviews
Projects with more than one developer should always consider to enforce code review even for small changes to improves the overall code health of the system. Here are some guidelines that can help you to accomplish this task.
Github
[How to wri...
The challenging setup of an offshore project
After managing a few agile projects from India and learning the tricks of the trade, I have been wondering why life is much easier when you are working closely with the client as compared to working offshore. What worried me more was that I had to...
Caching in Rails < 6.1 may down parts of your application when using public cache control
Proxy caching is a good feature to serve your publicly visible application content faster and reduce load on your servers. It is e.g. available in nginx, but also affects proxies delivered by ISPs.
Unfortunately, there is a little problem in Rail...
Controller specs do not persist the Rails session across requests of the same spec
In specs, the session never persists but is always a new object for each request. Data put into the session in a previous request is lost. Here is how to circumvent that.
What's going on?
You are making ActionController::TestRequests in your...
GoRuCo 2010 - James Golick - Scaling to Hundreds of Millions of Requests on Vimeo
Physical servers worked, EC2 did not.