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tf好朋友之matplotlib的使用——contour等高线的绘制 等高线绘制常用函数 plt.contourf() plt.contour() plt.clabel() 应用示例 大家都有学过地理噢！地理里面有一个很帅气的东西叫做！等！高！线！ 等高线绘制常用函数 plt.contourf() 该函数用于定义等高线图两条线之间的填充物。 应用方法如下： # 调用等高线的填充物 plt . contourf ( X , Y , f_x_y , 8 , alpha = 0.5 , cmap = plt . cm . hot ) 其中，X，Y分别代表网格化后的x，y坐标；f_x_y对于等高线而言，其代表了高度；8代表等高线要分为10块（输入0时等高线分为2块）；alpha代表每个填充物的透明度；cmap代表填充的色调，这里选择hot热烈的色调，其可选择的内容可以参考 https://matplotlib.org/examples/color/colormaps_reference.html 。 其调用结果为： plt.contour() 该函数用于定义等高线中的线。 应用方法如下： # 定义等高线的线的颜色，宽度 C = plt . contour ( X , Y , f_x_y , 8 , colors = 'black' , linewidth = 5 ) 其中，X

So, I just ported the Trie from OCaml. Unfortunately, it runs slower than the standard Map in terms of tryFind. I don't understand this - the trie seems like it should be faster. Is F#'s code libraries built in some special way as to make them faster than the code that the user typically deploys? Here's the code - [<RequireQualifiedAccess>] module Trie type Node<'k, 'v when 'k : comparison> = { TrieMap : Map<'k, Node<'k, 'v>> TrieKvp : ('k list * 'v) option } member inline x.IsEmpty = x.TrieKvp.IsNone && x.TrieMap.IsEmpty let inline make map kvp = { TrieMap = map TrieKvp = kvp } let inline

Being that properties are just methods under the hood, it's understandable that the performance of any logic they might perform may or may not improve performance - so it's understandable why the JIT needs to check if methods are worth inlining. Automatic properties however (as far as I understand) cannot have any logic, and simply return or set the value of the underlying field. As far as I know, automatic properties are treated by the Compiler and the JIT just like any other methods. (Everything below will rely on the assumption that the above paragraph is correct.) Value Type properties

Apparently Django's ModelAdmin/ModelForm doesn't allow you to use save_m2m() if there's an intermediate through table for a ManyToManyField. models.py: from django.db import models def make_uuid(): import uuid return uuid.uuid4().hex class MyModel(models.Model): id = models.CharField(default=make_uuid, max_length=32, primary_key=True) title = models.CharField(max_length=32) many = models.ManyToManyField("RelatedModel", through="RelatedToMyModel") def save(self, *args, **kwargs): if not self.id: self.id = make_uuid() super(GuidPk, self).save(*args, **kwargs) class RelatedModel(models.Model):

I'm maintaining a large library of template classes that perform algebraic computations based on either float or double type. Many of the classes have accessor methods (getters and setters) and other functions that run small amounts of code, therefore such functions need to be qualified as inline when the compiler locates their definitions. Other member functions, in contrast, contain sophisticated code and thus would better be called rather than inlined. A substantial part of the function definitions are located in headers, actually in .inl files included by headers. But there are also many

I've been building a site. At some stage I noticed that IE display was a little broken and Chrome had all but rendered nothing but the body tag (empty), and FF all looked good. After throwing my keyboard around the room and bashing my head against my mouse, I discovered the problem. I had left (don't ask how or why, must have been some lightning speed cut and paste error) an HTML comment unclosed in an inline script block. <script type="text/javascript"> <!-- ... </script> I'm guessing (not tested) the problem would have either not come up, or manifested itself in a far more noticeable way if

If I have an interface: interface IMyInterface { void DoSomething(); } And an implementing class: class MyClass : IMyInterface { public void DoSomething() { } } Is DoSomething a candidate for inlining? I'd expect "no" because if it's an interface then the object may be cast as a IMyInterface, so the actual method being called is unknown. But then the fact that it's not marked as virtual implies it may not be on the vtable, so if the object is cast as MyClass, then maybe it could be inlined? If you call DoSomething directly then it will be a candidate for inlining (depending on whether the

I was looking at matplotlib python inline on/off and this kind of solves the problem but when I do plt.ion() all of the Figures pop up (100s of figures). I want to keep them suppressed in a single cell. Is there a with loop I can use to turn off %matplotlib inline or is this impossible? 来源： https://stackoverflow.com/questions/49545003/how-to-suppress-matplotlib-inline-for-a-single-cell-in-jupyter-notebooks-lab

I've written a logger/exceptionfactory module, which uses System.Diagnostics.StackTrace, to get attributes from calling methods and their declaring types. However I noticed, that if I run the code outside of Visual Studio in Release mode, some of my shorter methods get inlined and missing from the stack trace. Now I have no way to test whether a method will get inlined in runtime, but I do not want to [MethodImpl(MethodImplOptions.NoInlining)] every important method. But if a method from my base classes will be missing because of it, I can misread the layer and operation information and that

I realize that by asking this question, I could have started the apocalypse, but a colleague of mine uses a lot of inline coding in their aspx pages, where as I prefer using the code-behind. Is there a right and a wrong way here? Not unless your coding standard says otherwise. IMO code-behind helps separation of concerns, so I prefer that, but sometimes just dealing with one file is nice too. Code-behind is the more traditional and logical place. If it works, it works, but I can't stand doing it in the aspx. Kelsey I made the exact post a while back: OnDataBinding vs Inline: pros, cons and