chronicle | : clock1 : access historical data through a REST API | REST library
kandi X-RAY | chronicle Summary
kandi X-RAY | chronicle Summary
A REST API for fetching historical data, based on the large, Wikipedia-sourced historic-events dataset, made with the Flask framework and Flask-Restless. Note that because Chronicle uses Flask-Restless under the hood, the query is not the typical MongoDB syntax. You may refer to the query syntax here. You might also want to read up on the request and responses documentation for an idea of how to better use the API.
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Top functions reviewed by kandi - BETA
- Main entry point .
- Parse a single row .
- Return date as a dict .
- Add the headers to the response .
- Representation of the event .
- Handle the index .
chronicle Key Features
chronicle Examples and Code Snippets
Community Discussions
Trending Discussions on chronicle
QUESTION
I'm currently trying to marshal a certain POJO as JSON and write it to an output queue. This is the run down of what I'm trying to do:
...ANSWER
Answered 2022-Mar-29 at 07:38The WireType here is the format used by the Queue itself, and the queue uses features JSON/TextWire doesn't support such as thread-safe 128-bit values.
There isn't an elegant way of writing JSON into the queue, however, you don't need to. You can convert it to JSON when you read it instead should you need, however in this example you don't as you are also using a method reader.
QUESTION
I am creating a JTable
in Netbeans and am having three minor issues with the structure.
- I can't seem to align my table in the direction I want (Say North, East, South, or West) and now it's annoyingly hovering over my JButton.
- The code I wrote to set the dimensions of the JTable do nothing if I change the variables.
- The code I wrote to add a JScrollPane is not showing up when I run it.
I understand if you can't solve all three but I figured I'd put them all in one instead of three different questions so any help with a problem is appreciated!
**Also as a note, ignore everything after the ActionListener
. I am eventually going to make the code read a text file and sort that data in an ArrayList
. Then somehow into the table instead of how I manually set it up in this example.
Here is my code (problem areas are labeled in comments in bold, capitalized font):
Main:
...ANSWER
Answered 2022-Feb-11 at 03:17So, let's take a quick look at the constructor...
QUESTION
I have the following error message in the dovecot errors & warnings log after I've tried to rebuild my mail server.
Prior to these errors, I updated my aging system to the latest, and lots of things broke. The configuration was confetti, so I attempted to rebuild the mail server. To get this error, I simply login to Roundcube mail. I'm able to login, however I cant see any emails.
I'm seeing two issues in the error, just not sure how to fix it.
...ANSWER
Answered 2022-Feb-06 at 19:50You state "This is not the correct directory, it should be /var/vmail/nostalgicmail.com/brad". Your (helpfully supplied) config contains,
QUESTION
I have upgraded my Java EE application to JDK 11 from JDK 8. But when I'm deploying into the JBOSS EAP 7.3 server I get the following exception.
...ANSWER
Answered 2022-Jan-24 at 05:46Your code should use java.lang.ref.Cleaner
instead of jdk.internal.ref.Cleaner
. The latter was removed in Java 9:
If the usage of the "internal" Cleaner
class is actually coming from 3rd-party library code, then you need to upgrade the library to a Java 11 compatible version.
QUESTION
In case anyone is using Chronicle Map, can you tell if Chronicle maps and queues sizes are part of application JVM heap or not.
I have an application which listens on Chronicle Queue and then has multiple Chronicle maps. I have allocated 16GB as max heap size for my application. Individual maps have their entry sizes, key and value sizes defined. And say I have four maps each growing up to 5 GB each.
What I don't know is where can I see the memory utilised by queues and maps. Also, if my application having 16GB is sufficient.
...ANSWER
Answered 2022-Jan-08 at 02:20Chronicle's products all use mapped files. Mapped files are not part of JVM heap, instead they are using off-heap memory. Chronicle Queue and Map are used in microservices with 256M heap and with a lot of queues.
Regarding the memory usage, Chronicle's products allocate memory in chunks, you won't have the whole map or queue file mapped into RAM in normal usage scenarios. The good idea of current memory usage is RSS.
QUESTION
We have a bunch of micro services running each in its own Docker container in a shared AWS EC2 instance. Giving the excellent results obtained when running locally now we are trying to use Chronicle queues as a way to communicate between our micro services in AWS.
MS1 receives an API request does some internal processing and emits an event to CH2 Chronicle queue. MS2 is listening to CH2 chronicle queue and when an events arrives in there it picks it up does some internal processing and emits an event to CH3 Chronicle queue.
...ANSWER
Answered 2022-Jan-08 at 01:50How to set up Chronicle Queue to work with Docker is documented in Chronicle FAQ. You need to ensure that:
containers share IPC namespace (run with --ipc="host")
queues are mounted on bind-mounted folders from the host (i.e. -v /host/dir/1/:/container/dir)
QUESTION
i'm trying to to add data to the main App through an reusable component, the problem is that when i use setState, nothing is happening.
In the main app, i m calling the BookModal and passing the
...ANSWER
Answered 2021-Dec-09 at 08:07This code has some problems, but I think the main one is conceptual. One of the things that React encourages you to do is to find the least amount of state possible.
In your app, the App
component appears to handle the application's state. It tracks the data that you'll need to display in various ways, namely the list of books. Then, as you should, you pass this data, as props, down to a child component that will handle displaying this data, in this case a modal.
Where you go wrong is what you do next. The component should only care about displaying the props it's given, and yet you spend a lot of code basically storing the props in
BookModal
's state. Why? BookModal
has everything it needs in the props it was passed.
"But," you'll say, "the modal has a form that the user will use to add a new book. How will the child component, BookModal
, pass that data to the parent, App
?" The answer is that it won't! App
tracks the state, so App
should expose a function to its children that can add a book to the state. How do you get this to the child? Pass it as a prop! The only state BookModal
needs is that which will allow it to control the form components.
QUESTION
this is the version of Chronicle Queue:
...ANSWER
Answered 2021-Nov-18 at 08:28try the following: you can find the documentation in https://github.com/OpenHFT/Chronicle-Queue
QUESTION
I am experimenting with ChronicleWire. As described in features optional fields are supported out of the box.
I just created a simple self-describing entity with one optional (nullable) field:
...ANSWER
Answered 2021-Oct-21 at 09:27As SelfDescribingMarshallable
is BytesMarsahallable
, Map prefers to use this lower level serialization. However, because it is so low level, it doesn't support null
values.
You can tell the builder to use Marshallable
by setting the valueMarshaller
QUESTION
in the following code i want to extract the value of book,chapter and ver and concatenate from the each drop down menu.So, please do help me on where should I implement the concatenation of three string and get them as one value. For an example : if book= john, chapter=3, and ver=16, I should be able to get "john 3:16".
...ANSWER
Answered 2021-Sep-29 at 07:23Just book+" "+chapter+":"+verse
should do it. It's elementary string concatenation.
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Install chronicle
You can use chronicle like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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