How to select distinct field values using Solr?

Faceting would get you a results set that contains distinct values for a field. E.g. http://localhost:8983/solr/select/?q=*%3A*&rows=0&facet=on&facet.field=txt You should get something back like this: <response> <responseHeader><status>0</status><QTime>2</QTime></responseHeader> <result numFound=”4″ start=”0″/> <lst name=”facet_counts”> <lst name=”facet_queries”/> <lst name=”facet_fields”> <lst name=”txt”> <int name=”value”>100</int> <int name=”value1″>80</int> <int name=”value2″>5</int> <int name=”value3″>2</int> <int name=”value4″>1</int> </lst> </lst> </lst> </response> Check out the wiki for … Read more

Select parent element of known element in Selenium

There are a couple of options there. The sample code is in Java, but a port to other languages should be straightforward. Java: WebElement myElement = driver.findElement(By.id(“myDiv”)); WebElement parent = (WebElement) ((JavascriptExecutor) driver).executeScript( “return arguments[0].parentNode;”, myElement); XPath: WebElement myElement = driver.findElement(By.id(“myDiv”)); WebElement parent = myElement.findElement(By.xpath(“./..”)); Obtaining the driver from the WebElement Note: As you can … Read more

Why does Future::select choose the future with a longer sleep period first?

TL;DR: use tokio::time If there’s one thing to take away from this: never perform blocking or long-running operations inside of asynchronous operations. If you want a timeout, use something from tokio::time, such as delay_for or timeout: use futures::future::{self, Either}; // 0.3.1 use std::time::Duration; use tokio::time; // 0.2.9 #[tokio::main] async fn main() { let time_out1 = … Read more