The sun is already showing itself more and more often and you know what that means! It’s time to top up your tan again! Yet we still regularly hear that people struggle to maintain their tan during or after the summer. This can have several reasons, but there is definitely something you can do about […]
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同样的API接口，根据其不同的操作顺序能为开发者带来怎样的帮助呢？ 同步API的意思是只有当前API执行完成后，才能继续执行下一个API。按照“console.log(“before”);”——“console.log(“after”);”的顺序进行，通俗意义上讲，这就好比到餐馆点餐时，一个指定的服务员被分配来为你服务，当点完餐时，服务员将订单送到厨房并在厨房等待厨师制作菜着，当厨师将菜着烹饪完成后，服务员将菜着送到你的面前，至此服务完成，此时这个服务员才能服务另外的客人。 同步模式是指一个服务员某一时间段只能服务于一个客人的模式；而异步API的意思是当前API的执行不会阻塞后续代码的执行。“console.log(“before”);”、“setTimeout(() => {”、“ console.log(“last”);”、“}, 2000);”、“console.log(“after”);”，所有程序可以同时进行，通俗意义上讲，这就好比到餐馆点餐时，在点餐后服务员将你的订单送到厨房，此时服务员没有在厨房等待厨师烹饪菜着，而是去服务了其他客人，当厨师将你的菜着烹饪好后，服务员再将菜着送到你的面前。异步模式是指一个服务员同时可以服务多个客人的模式。 同步API和异步API在使用中，有以下几个基本的区别 1、获取返回值 同步API可以直接从返回值中拿到API执行的结果，但是异步API是不可以的，异步API不会阻塞后面代码的执行。 // 同步 function sum(n1, n2) { return n1 + n2; } const result = sum(10, 20); // 异步 function getMsg() { setTimeout(function () { return { msg: “Hello Node.js” }; }, 2000); } const msg = getMsg(); 2、代码执行顺序 司步API从上到下依次执行，前面代码会阻塞后面代码的执行；异步API不会等待API执行完成后再向下执行代码。 for (var i = 0; i […]
Gift cards are revolutionizing the financial landscape by providing an efficient way to make offline and online payments for products or services. They are becoming widely used across countries and regions, with Egypt not excluded from this innovation. Therefore, this brings us to knowing the popular Egypt gift cards for your loved ones. Egypt is […]
北京时间8月22日，NBA资深球星卡梅隆-安东尼在参加《7PM in Brooklyn》节目时，就篮球运动的演变及其发展分享了自己的见解和观点。在节目中，他谈到了篮球这项运动如何随着时间的推移而不断进化，以及它对运动员和整个体育界所产生的影响。 安东尼表示：“我说一个球员只有5年的窗口，现在的人们知道我，这一代的人只是基于我最近的事才知道我，他们不知道我过去15年做了什么。篮球只有5年的窗口，篮球的发展太快了，你想一想有多少人已经离开了比赛，你只有很小的窗口。 “就像是韦德，他现在都不被人们提到了，我们都知道他是历史第3的得分后卫，但这一代的年轻人不会把韦德放进那个讨论中。这就是现实，现在的孩子只知道魔术师是一个商人，他们不知道魔术师作为湖人球员是怎么样的。” Keyword: NBA zhibo
We all have items in our homes that we would rather sell than keep. We may no longer have the space for them or need them and can put the money to better use. Or perhaps we need cash in a hurry due to an emergency or unforeseen event. Whatever your reason might be for […]
Whether you’re writing for a newsletter, business website, or just a simple blog post, you bound to need a good call-to-action (CTA) if you want your readers to do something. Writing “Click here for more info” is not enough sometimes. To make sure you get want you want from your readers just follow these […]
What if you could take your machining knowledge to the next level in just a few minutes? Whether you are a professional or hobbyist, there is much to learn about basic machining operations. For example, many don’t fully understand how the conventional machining process differs from the non-conventional machining process. Learning the finer points of […]
Coatings can be beneficial to engineers in various applications. For instance, they can provide improved performance characteristics of materials such as steel, carbide, and titanium alloys, such as increased hardness and adhesion. In addition, coatings offer protection from wear, corrosion, and temperature. One coating material that engineers should consider is titanium nitride. Let’s discuss the […]