corral | A serverless MapReduce framework written for AWS Lambda | Serverless library
kandi X-RAY | corral Summary
kandi X-RAY | corral Summary
Corral is a MapReduce framework designed to be deployed to serverless platforms, like AWS Lambda. It presents a lightweight alternative to Hadoop MapReduce. Much of the design philosophy was inspired by Yelp's mrjob -- corral retains mrjob's ease-of-use while gaining the type safety and speed of Go. Corral's runtime model consists of stateless, transient executors controlled by a central driver. Currently, the best environment for deployment is AWS Lambda, but corral is modular enough that support for other serverless platforms can be added as support for Go in cloud functions improves. Corral is best suited for data-intensive but computationally inexpensive tasks, such as ETL jobs. More details about corral's internals can be found in this blog post.
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Trending Discussions on corral
QUESTION
With several aids I was able to make this selection, but I need to add the hours and not repeat the students and show zero results when the student has not participated in that range of dates:
...ANSWER
Answered 2020-Dec-01 at 01:43Sounds like you can add a distinct keyword and use inner join instead of left join:
EDIT: Based on your result and the one you want I am guessing your wanna sum up the results, if that is true than....
QUESTION
I am new in java. I am working on a problem to fill the corral with snails which is out to pasture based on random swing direction. But output is not as expected.
...ANSWER
Answered 2020-Aug-31 at 15:14The issue is that mSwing of Gate is static. When you call gate[i].setSwing(randDir) in the for loop, you are replacing the same static variable every time. That's why your while loop ends only when Gate 3 == 1.
Try to remove static from mSwing variable.
QUESTION
Please help me out to create treeview by javascript array. The scenario is I want to create treeview with reverse level. For Example:
...ANSWER
Answered 2020-Aug-19 at 13:09 tree = function(array) {
var o = {
ID: 0
}
function arrGet(o) {
if (Array.isArray(o.children)) {
o.children.forEach(arrGet);
}
}
array.forEach(function(a) {
o[a.ID] = o[a.ID] || {
ID: a.ID,
parentID: a.parentID,
Phone: a.Phone,
City: a.City,
Name: a.Name
};
a.children = o[a.ID].children;
o[a.parentID] = o[a.parentID] || {
ID: a.parentID
};
o[a.parentID].children = o[a.parentID].children || [];
o[a.parentID].children.push(o[a.ID]);
});
arrGet(o[0]);
return o[0].children;
}(arr);
console.log('QUESTION
I'm new to Python and programming in general. I have posted a variation of this question before. I hope this time my presentation comes through somewhat better. I hope my formatting is par for the course.
This is the code that reads my csv file in:
ANSWER
Answered 2020-Aug-15 at 00:27Maybe because you are using an & for an AND between the values in the same column?
This means you are finding those rows, which have ef["Stabr"] value equal to "ME" and "VT" and "NH" and ..., at the same time which is not possible because a row can have only a single value out of them at a time. Therefore, it would return 0 rows.
It should be an OR condition which is done by | this operator. This will get you the rows where ef["Stabr"] value can be equal to "ME" or "VT" or "NH" or ... and so no.
Try this instead -
QUESTION
I am using the beeswarm package in R and have some problems customizing individual datapoints. I am using below data and code.
ANSWER
Answered 2020-Aug-04 at 05:03You're almost there, you just need a couple of minor changes:
QUESTION
We have Typescript in our project that's picky about the use of any, and we have a line of code: const shadowArray: any = Array(25).fill('none') borrowed from elsewhere on StackOverflow I believe.
This is functioning, but I'd like to corral the any to the proper Shadows type from MaterialUI, but can't find where to import it from. I do see an export of shadows (https://material-ui.com/system/shadows/#shadows) but it's not the type.
ANSWER
Answered 2020-Jun-10 at 14:12You can import it from @material-ui/core/styles/shadows.d.ts:
QUESTION
I am trying to create a clustered bar graph with error bars for my independent variables (y axis) for each of my dependent variables (metrics on the x axis).
My data:
...ANSWER
Answered 2020-Jan-13 at 22:55You can remove the extra SE1 column by excluding it from melt:
QUESTION
I am messing around in Demisto(automation/orchestration platform) and have created a playbook that uses a python automation that randomly selects lunch for the day. This script randomly chooses a food type from the lunch_list, then from that list randomly selects a restaurant from that list.
ANSWER
Answered 2019-Dec-05 at 17:07I suggest putting your various lists into a dictionary:
QUESTION
Corral model:
...ANSWER
Answered 2019-Nov-16 at 17:34You could make use of withCount() and then order by this element I guess:
QUESTION
I want to create four corrals which is default in table. So, it has only id and name. Name of each corral should be "Corral 1", "Corral 2", "Corral 3", "Corral 4". The numbers 1, 2, 3, 4 should be taken from id. I know that I can do in seeds manually, but I want to use factory for more clean code. Now, my factory looks like:
...ANSWER
Answered 2019-Nov-14 at 12:22If you only need it once, run the factory 4 times passing the data you need. If you need it often - the easiest option is to create a seeder that creates 4 models and then run it either in your setUp method or in your test methods when required.
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