arrow wallpaper

The interview was asked the difference between the arrow function and the normal function ... -_-|| Borrow a chestnut from someone else: function make () { return () =>{ console.log (this); } } var TestFunc = Make.call ({name: ' foo '}); TestFunc (); Object {name: ' foo '} object {name: ' foo '}You can see the arrow function is defined, this will not change, no matter what way to call it, th

Straight line with double arrows presumably everyone would draw, just select the double arrow connector in the word AutoShape! However, most people certainly do not know how to draw a curve with a double arrow in Word, the author gives a case description here! First, as shown in the diagram, there is a coordinate system with a and b two points on the horizontal axis, and now you need to connect

1, the function parameter's default value ES5 cannot directly specify a default value for a function's arguments, only the following workarounds can be used: From the above code you can see that there is a problem, when the passed parameter is 0 or FALSE, it will be taken directly to the subsequent value, rather than the incoming parameter value. So how do we solve it? For the code above, you can determine whether to pass in the NUM parameter without using the default value: This is stil

In the afternoon a friend asked me a question, she line to redraw the ComboBox drop-down arrow. My first thought was to have her replace the native icon. But they also said, to select and multiple selection of the drop-down arrow icon is not the same. A period of time useless do not know whether Easyui to the ComboBox open this cut, then looked at the document, found no. So it seems only to see the source,

Feature IntroductionThe arrow function is one of the new features of ES6, which provides a new syntax for writing functions for the language JS.function Fun (x, y) {return x+ y;} Console.log (Fun (5,10)); // 15// ES6 var fun6 = (x, y) = = {return x+y;} Console.log (Fun6 (6,10)); // -ES6 simplifies the declaration function and does not need to be written again function .It seems that there is nothing strange about it except simplify

One, arrow functionGeneral function 1var function (A, b) { return a + b;}General function 2function Add (A, b) { return a + b; }Arrow functionsvar add = (A, b) = + A + b;If there is only one return value inside the function, you do not have to write a return, and if you execute more statements inside it, enclose it in {}.var add = (A, b) = = { Console.log ("This is the

-generated method Stubsuper.onresume ();} @Overridepublic void Onactivityresult (int requestcode, int resultcode, Intent data) {if (Requestcode = = Request_set_live_ Wallpaper) {if (Islivewallpaperrunning (This.getactivity (), tagetpackagename)) {Toast.makete XT (This.getactivity (), "Livewallpaper is Running", Toast.length_long). Show (); }else{ Toast.maketext (This.getactivity (), "Livewallpaper is not Running

Android5.1 Wallpaper Source option has two "wallpapers" optionProblemSystem language is Chinese, open settings---show wallpaper--View displayYou can see that the Settings menu has two wallpaper options displayedThe system language is in English and the menu has two "wallpapers" options"Log"01-12 12:26:47.194:d/subsettings (7598): Launching Fragment com.android.se

A lot of people have had this experience, want to change a desktop theme background, step too complex, click the mouse-click "Personalized"-Select the first "desktop Background"--click the "Picture location" right "browse"- Select the folder where you want the wallpaper--folder open--tick the desired wallpaper--keep the settings, or enter the "desktop background", directly click on the desktop background of

Cupid ' s Arrow Time limit:3000/1000 MS (java/others) Memory limit:32768/32768 K (java/others)Total submission (s): 1037 accepted submission (s): 385Problem Description legend in the world there is a cupid's arrow, anyone who is shot by this arrow, will deeply fall in love with the archery person.Countless people in the world have ever dreamed of this

Introduction to Matplotlib and simple use of pyplot-text annotation and arrow, matplotlibpyplot When you use pyplot to draw a graph, you sometimes need to mark some text on the graph. If the curve is relatively close, you 'd better use arrows to indicate the correspondence between the text and the curve. This section describes how to use text labels and arrows. Add annotation using pyplot. text, called by pyplot or subplot. The following are optional

JS in this and pure object-oriented (java,c++) in the This is a little bit the same, because the scope is different, resulting in JS in the direction of this is ambiguous, this in Java refers to the current object of this or the current class of this, in JS function () {} There is no special specified this point, here the this point to window, but in strict mode, function () {return This} inside this is undefined, the arrow function inside this is win

Some people in the forum have asked questions like: How to implement a button with a drop-down arrow in the C++/MFC program similar to IE toolbar, as shown in figure Figure A button with a drop-down arrow in the IE toolbar This article will show you how to do this, but it's simple: 1, a new MFC/SDI project, all the way to take the default settings. 2, find the CMainFrame::OnCreate () frame window crea

Sogou Wallpaper As the mainstream of the current wallpaper software, now has launched various platform clients, the user volume also tens of millions. What about the actual experience? Small series today tested a bit, really good, not too much of the system memory, the quality of the picture is very high, but also by theme search very good, through Sogou wallpaper