Thumper | Simple Infinite responsive grid system built to work | Blog library
kandi X-RAY | Thumper Summary
kandi X-RAY | Thumper Summary
Thumper is a simple and very light responsive grid system built with speed and simplicity in mind.
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QUESTION
Im trying to write a SIGTERM-handler that will have my run_forever()-loop
- Stop accepting new tasks.
- Complete running tasks.
- Shutdown.
Here is a learning-demo I wrote:
...ANSWER
Answered 2020-May-03 at 05:30Python signal handlers are executed in the main thread, in the same thread in which your loop is running. BaseEventLoop.stop() method does not immediately stops the loop, instead it just sets a flag, so that when your loop runs next time it only executes the callbacks that has already been scheduled, and does not schedule any more callbacks (see run_forever). However, the loop can't be run until your signal handler returns. This means you can't wait until the loop stops in the signal handler. Instead you could schedule another task, that would wait for your long running tasks to react to the change in self._shutdown and then stop to loop.
QUESTION
Apologies in advance if this is a really simple fix. But I'm new to the world of Java and trying to create a simple script for giggles.
I have created a simple class in which I am calling my Pet class. It containers the simple blueprint of the class, and a function which I wish to be able to call in my Main class.
...ANSWER
Answered 2018-Aug-05 at 10:52Change public void petSpeak(String Pet.petType) to public void petSpeak() and
System.out.println(petSpeak(Rex.petSound)); to Rex.petSpeak();
Basically you don't need argument in void petSpeak() because object Rex already has that value witch is assigned here Pet Rex = new Pet("Dog", Color.BLACK, "Woof!"); and you call methods from classes by typing objectName.methodName
QUESTION
Firstly, sorry for the bad title! I couldn't find anything specific that matched this issue, and can't find anything on Google or Stackoverflow regarding this problem.
So first some background, I have a RabbitMQ consumer based on php-amqplib\Thumper and succesful message consumption is all working fine and as expected.
However, I have a method which is the callback for RabbitMQ everytime it dispatches a message to the consumer, this callback is fired.
I have it wrapped around a try catch, so that, if a message fails to process, I can set a retry_count header, once that message comes back round a third time, e.g. retry_count: 3 I publish it to a dead queue, and send a basic_nack.
However, here is where my problem lies, I'm getting more than 1 message per message in my dead queue, i.e. for every failed message, 2 appear in my dead queue, one which has the correct dead queue properties. e.g.
delivery_mode: 2
headers:
x-death:
count: 1
reason: rejected
queue: ee.api.events.medusa
time: 1498730321
exchange: EES_ApiEvents
routing-keys: ee.api.events.medusa.WALLET.UPDATE
The other, just has delivery_mode and no other properties, and I cannot figure out for the life of me where this superfluous message is coming from!
This is the bit of code that is run when the retry_count reaches 3:
ANSWER
Answered 2017-Jun-29 at 12:45So after tons of playing around, I went back to the documentation and reread, and it clearly states, if you reject a message with requeue=false then it will automatically be dead lettered if, you defined a dead letter exchange against the main queue.
So problem is now solved!
QUESTION
I'm managing some scripts that can only be run on one server. I've decided the best way to single out one host that is assigned to a given role is by doing a search and then choosing the first element in the array returned.
Like this:
...ANSWER
Answered 2017-Jun-05 at 00:51The underlying issue is probably that you aren't setting up the fixture node data correctly, or maybe some piece of the partial search API not working correctly under Zero. However this is mostly moot as this method for server election is unsafe and you shouldn't use it. At a minimum you need to sort the returned array in some way as search results in Chef are not stable to any external reference point (it sorts on a field called "object ID" but this is not exposed in the API). More to the point, this can easily result in a server being demoted but not realizing it until the next time Chef runs. Depending on how serious you are about the "only run in one place" rule you either need some slightly firmer code on the Chef side, or better yet use a tool actually designed for cluster coordination like Consul, ZooKeeper, or Etcd.
QUESTION
I have a dictionary that contains strings as keys and lists as values.
I'd like to remove all list elements that contain the strings "food", "staging", "msatl" and "azeus". I have the below code already, but am having a hard time applying the logic I have in filterIP to the rest of the strings I have.
...ANSWER
Answered 2017-May-16 at 21:08A list comprehension is what you're after
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