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Other 2022-03-18 19:35:06
remove nil in array ruby
# A simple example function, which returns a value or nil def transform(n) rand > 0.5 ? n * 10 : nil } end items.map! { |x| transform(x) } # [1, 2, 3, 4, 5] => [10, nil, 30, 40, nil] items.reject! { |x| x.nil? } # [10, nil, 30, 40, nil] => [10... Add solution -
Javascript 2022-02-01 00:35:20
pdf javascript search text
var searchText = "JavaScript"; function searchPage(doc, pageNumber) { return doc.getPage(pageNumber).then(function (page) { return page.getTextContent(); }).then(function (content) { // Search combined text content using regular expr... Add solution -
Javascript 2022-01-31 13:15:46
fremer motion react library
const [selectedId, setSelectedId] = useState(null) <AnimateSharedLayout type="crossfade"> {items.map(item => ( <motion.div layoutId={item.id} onClick={() => setSelectedId(item.id)}> <motion.h5>{item.subtitle}<... Add solution -
Javascript 2021-11-13 23:56:17
code in nested forEach loop- react native
const nestedPromise = async (items = []) => { return await Promise.all( items.map(async item => { if (Array.isArray(item) && item.length) { return await nestedPromise(item) } // return await call to your funct... Add solution -
Javascript 2021-11-06 09:22:36
react native how to pass id from list to function
render(){ return( <ul id="todo"> {this.state.items.map((item,i) => <li className='list-group-item' key={i} data-id={item.id}>{item.name} <button onClick={() => this.yourfunc(item.id)}>X<... Add solution