In the old version of JavaScript, bind is often used to explicitly set the point of this. This mode can usually be found in some early versions of the framework (such as React) before the emergence of ES6. The emergence of arrow functions provides a more convenient way to solve this pro...
getElementById("myCanvas"); let ctx = canvas.getContext("2d"); // Draw shapes ctx.fillStyle = "rgb(255,0,255)"; ctx.beginPath(); ctx.rect(20, 20, 150, 100); ctx.fill(); ctx.stroke(); ctx.closePath(); ctx.beginPath(); ctx.fillStyle = "rgb(0,255,255)"; ctx.arc(50, ...
RTTI & marshalling in Delphi 2010 type TData=record str:string;int:Integer;bool:Boolean;flt:Double;end;varctx:TSuperRttiContext;data:TData;obj:ISuperObject;begin ctx:=TSuperRttiContext.Create;trydata:=ctx.AsType<TData>(SO('{str: "foo", int: 123, bool: true, flt: 1.23}'));obj:=ct...
PROXXis a JavaScript game from the Google Chrome team. This project shows how to develop fast and smooth web applications that provide a similar user experience across multiple platforms and input devices. The Proxx project is unique in that it primarily targetssmart feature phones. Smart feature...
Comparing Angular, React, Vue, and Svelte: What you need to know Apr 23, 202512 mins analysis Blissfully fast and simple JavaScript frameworks Apr 4, 20255 mins how-to HTMX and Alpine.js: How to combine two great, lean front ends
The objective of this approach is to maximize the usage of each thread while minimizing the overhead of creating one thread for each request, particularly in cases where request threads are mostly consumed by waiting (e.g., for the results of a database query). In these cases, the event ...
New in Swift 1.1countElements() is now count() In Swift 1.0 you would count an array like this: let items = [1, 2, 3] println(countElements(items)) The countElements() function has been renamed to count() in Swift 1.1, so the new code is this: let items = [1, 2, 3] ...
ctx.body = ‘Hello World’; }); app.listen(3000); Learn koa if: You generally like being ahead of the curve and on the bleeding edge Your project needs to be future-proof, long-lived and easy to maintain in the longer run You come from a programming language that has async functions...
url: _ctx+ "/pro/proproduct/add.do", type:"post", resetForm:true,//提交后重置表单dataType: 'json', data:{ minidaysnum : $("#minidaysnum").val() }, beforeSubmit: function (formData, jqForm, options) {//重置验证jqForm.data("bootstrapValidator").resetForm();//手动触发验证var boo...
ctx.fillText(text, 50, 50); } window.addEventListener("keyup", draw, true); }//]]> The code above is rendered as follows: