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Can PostgreSQL index array columns?
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Check if value exists in Postgres array
Index for finding an element in a JSON array
SQLAlchemy: how to filter on PgArray column types?
Can IS DISTINCT FROM be combined with ANY or ALL somehow?
Asides
While working with integer arrays (int4, not int2 or int8) without NULL values (like your examp...
Call An Asynchronous Javascript Function Synchronously
...your function must be serializable. Your arguments will pass in and out of JSON.stringify, so functions and non-enumerable properties like prototype chains will be lost.
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What's the difference between unit, functional, acceptance, and integration tests? [closed]
...efect. -- So you would work around a web service giving you back malformed json even if the contract specification told you it be of a certain structure.
– Yemi Bedu
Nov 2 '16 at 20:18
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Can I set max_retries for requests.request?
...< 500
)
def publish(self, data):
r = requests.post(url, timeout=10, json=data)
r.raise_for_status()
I'd still recommend giving the library's native functionality a shot, but if you run into any problems or need broader control, backoff is an option.
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Best practices for using Markers in SLF4J/Logback
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Just as an addendum, if you are using logstash and have json logging enabled, there's another potential use of Marker - for logging variables to associate with a specific log message. This is more consistent and easier to parse than including it in the message body. Very useful,...
What's the right way to pass form element state to sibling/parent elements?
...lassName="state">
<h2>appState</h2>
<pre>{JSON.stringify(appState, null, 2)}</pre>
</div>
);
}
const rootElement = document.body;
ReactDOM.render(<App />, rootElement);
You can run this example in the Code Sandbox editor.
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MongoDB/NoSQL: Keeping Document Change History
..., saving space in the process. For example, this historical NoSQL database json file can look like so:
{
_id: "4c6b9456f61f000000007ba6"
title: [
{ date: 20160101, value: "Hello world" },
{ date: 20160202, value: "Foo" }
],
body: [
{ date: 20160101, value: "Is this thing on?" },...
How to use Elasticsearch with MongoDB?
...om everything what is supporting streams (i.e. MongoDB, PostgreSQL, MySQL, JSON files, etc)
Example for MongoDB to Elasticsearch:
Install packages:
npm install elasticbulk
npm install mongoose
npm install bluebird
Create script i.e. script.js:
const elasticbulk = require('elasticbulk');
const...
What is the bower (and npm) version syntax?
... even where .x would serve. As an example, see npm itself: its own package.json file includes lots of dependencies in ~2.4.0 format, rather than the 2.4.x format it could use. By sticking to ~, the syntax is consistent all the way down a list of 70+ versioned dependencies, regardless of which beginn...
Throw HttpResponseException or return Request.CreateErrorResponse?
...ves you a consistent format for the response body and can be serialized to JSON/XML/etc, but it's not required. e.g., you may not want to include an entity-body in the response, or you might want some other format.
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