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findandupdate return null with promise all - mongoose

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.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty{ height:90px;width:728px;box-sizing:border-box; } 1 I am trying to create a nodejs API separated by controllers and routes. I am trying to findandupdate in multiple collections and then put them in multiple promises to return a single response but i get just a null what am i doing wrong below ? controller.js var x = (req, res, next, userID, product) => { let query = { uid: userID } let update = { $push: { product: product, } } let options = { safe: true, new: true, upsert: true } Model.findOneAndUpdate(query, update, options).exec() .then(result => { re...

Transclusion : apply style to ng-content

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.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty{ height:90px;width:728px;box-sizing:border-box; } 3 I am facing an issue regarding how to style trasncluded content. When reading through the documentation, it is said that there are custom selectors that can do the job. And they do ! But it is also said The shadow-piercing descendant combinator is deprecated and support is being removed from major browsers and tools. As such we plan to drop support in Angular (for all 3 of /deep/, >>> and ::ng-deep). Until then ::ng-deep should be preferred for a broader compatibility with the tools. This means that, because it is deprecated, those selectors should not be used. As I am facing this issue right now, I would like...