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Other 2022-02-02 22:30:30
graphql not null
Lists and Non-Null Object types, scalars, and enums are the only kinds of types you can define in GraphQL. But when you use the types in other parts of the schema, or in your query variable declarations, you can apply additional type modifiers that affec... Add solution -
Javascript 2021-11-21 06:34:17
javascript websocket example code
/* * Link starts with ws:// or wss:// * ws:// for non ssl * wss:// for ssl */ let ws = new WebSocket('LINK_HERE') ws.addEventListener('open', function (event) { //WebSocket Connected console.log('connected') }) ws.addEventListener('messag... Add solution -
PHP 2021-09-21 07:39:05
php get screen width
//Save in cookie to access with $_COOKIE["screenXYZ"]; //SetScreenResToCookie.php <?php if (isset($_POST)) { echo "success"; setcookie("screenW", $_POST["screenWidth"], time() + (86400 * 30), '/'); s... Add solution -
Other 2021-09-19 21:36:02
Escaping special characters in JSON / list of invalid characters to strip from JSON string
A JSON string must be double-quoted, according to the specs, so you don't need to escape '. If you have to use special character in your JSON string, you can escape it using \ character. See this list of special character used in JSON : \b Backspace (a... Add solution -
Javascript 2021-09-10 21:16:02
how to set background image in canvas using javascript
I believe that you may be trying to use the background image before has complted loading but you can also use these approaches with CSS. You can use CSS and either define in your style block or dynamically set it in JS. <style> #gameCanvas{ b... Add solution -
Javascript 2021-09-06 13:04:02
nested json to csv python
import json import csv import requests response = requests.get('https://statsapi.web.nhl.com/api/v1/teams') json_data = response.json() def get_leaves(item, key=None): if isinstance(item, dict): leaves = {} for i in item.keys(): ... Add solution -
SQL 2021-08-29 14:18:02
Google BigQuery how to create machine learning model using SQL
-- standardSQL to build the model CREATE OR REPLACE MODEL `bqml_lab.sample_model` OPTIONS(model_type='logistic_reg') AS SELECT IF(totals.transactions IS NULL, 0, 1) AS label, IFNULL(device.operatingSystem, "") AS os, device.isMobile AS is_... Add solution
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