Then, we give our function a name. And then call our function :. Back to my function :. 从一开始,我们可以看到我们的函数 除了单个节点之外是空的。 Starting out, we can see our function is pretty empty besides a single node.
我们知道不可变性对于使我们的函数 更加一致和可预测非常重要。 We know how immutability is important to make our functions more consistent and predictable. 收到请求后,我们要求我们的函数 向客户端返回HelloWorld响应。 When a request is received, we are asking our function to return a"Hello World" response to the client. 通过使用Promises,现在我们的函数 的外观和行为就像友好的、同步的调用-返回编程模型。 By using Promises, our functions now look and act like the familiar, synchronous, call-and-return model. 我们只需要在图(或者从数学上说,到我们的函数 )中输入时间,就可以计算出太阳的位置。 We just need to feed in time to our graph(or mathematically speaking, to our function ) and we can figure the position of the sun. 如果我们能找出对每栋房子都适用的完美权重,我们的函数 就能预测所有的房价![3]! If we could just figure out the perfect weights to use that work for every house, our function could predict house prices! 这是为什么呢?因为,这些安全问题现在已经是服务提供商操心的事情了,并且,我们的函数 是在通用环境中运行的。 Because it now belongs to the service provider, and our functions run in a generic environment. 这个图像中蓝色的最低点就是我们成本费用的最低值,意味着我们的函数 偏差值最小。 In this graph, the lowest point in blue is where our cost is the lowest- thus our function is the least wrong. 调用filter_var()函数,它的参数是FILTER_CALLBACK过滤器以及包含我们的函数 的数组. Call the filter_var() function with the FILTER_CALLBACK filter and an array containing our function .这意味是reactor调用的它,也就是说Twisted在调用我们的函数 。 That means it is called by the reactor itself, so Twisted code must be calling our function . 第二个我们需要忽略的是n前面的乘法因子的常数,那么我们的函数 就变成了f(n)=n。 The second thing we will ignore is the constant multiplier in front of n, and so our function will become f( n)= n. 但是单词“自由”的奇怪的含义是我们的函数 ,不是这个词汇本身的函数。 Yet the odd clink of the word“free” is a function of us , not of the term. 这个结果是可以减少我们的函数 名称与在页面中其他脚本区域定义的函数名称冲突的可能性。 This results in is a reduction in the likelihood of our function names conflicting with other functions defined in additional scripts on the page. 因此,我们将首先使用这3个参数定义一个结构,因此我们可以将它传递给我们的函数 。 So, we will first define a structure with these 3 parameters, so we can pass it to our function . First, our function signatures are sane. Our office functions as a team.We are declaring the function with async keyword.Start by thinking of our function as a kind of a valley. 我们需要考虑的第一件事是我们的函数 将接收一些配置参数。 The first thing we need to consider is that our function will receive some configuration parameters. 例如,假设我们想把我们的函数 称为cut_off,而不是cut_off_at_100。 For example, suppose we want to refer to our function as cut_off instead of cut_off_at_100. 我们已经在初始化权重时计入了偏差,所以我们的函数 不需要有那个部分。 We already calculated in our bias at weightinitialization so we won't need to have that part in our function . 因此,没有损失/代价函数提供关于我们的函数 输出与真实值是否接近的反馈。 Consequently, there is no loss/cost function providing feedback on how close or far our function 's output is to the ground-truth. 下一步,我们的函数 SetStreamSource(),它告诉Direct3D我们从哪个顶点缓冲取顶点。 Next we have the function SetStreamSource(), which tells Direct3D which vertex bufferwe are drawing from.每次我们想用我们的函数 来使一个数字加倍时,我们需要指定一个数字。 Each time we want to use our function to double a number, we need to specify a number.
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