P主题的文章列表，还有P的技术要点_第3331页

JavaScript-window

window.closedwindow.closed检测页面是否被关闭，关闭为true未关闭为false window.consolewindow.console返回一个console对象的引用，console对象提供了向浏览器控制台打印日志的功能，并不展示给用户console.log('aa')consol...

IT猿 ·2020-03-27

JavaScript字符串API

String.prototype.anchor()anchor()方法用于创建一个<a>html描元素conststr='我是html内容'.anchor('我是name属性值')console.log(str)//"<aname="我是name属性值">我是html内容</a>"&...

IT猿 ·2020-03-27

JavaScript常用数组操作方法，包含ES6方法

concat()方法用于连接两个或多个数组。该方法不会改变现有的数组，仅会返回被连接数组的一个副本。vararr1=[1,2,3];vararr2=[4,5];vararr3=arr1.concat(arr2);console.log(arr1);//[1,2,3]console.log(arr3);//[1,2,3,...

IT猿 ·2020-03-27

js扩展运算符（spread）三个点（...）

常见用法：1、该运算符主要用于函数调用。functionpush(array,...items){array.push(...items);}functionadd(x,y){returnx+y;}varnumbers=[4,38];add(...numbers)//42 2、扩展运算符取代apply方法的一...

IT猿 ·2020-03-27

ES6之set和map

JavaScript的默认对象表示方式{}可以视为其他语言中的Map或Dictionary的数据结构，即一组键值对。但是JavaScript的对象有个小问题，就是键必须是字符串。但实际上Number或者其他数据类型作为键也是非常合理的。为了解决这个问题，最新的ES6规范引入了新的数据类型Map。MapMap是一组键值对...

IT猿 ·2020-03-27

An Autofac Lifetime Primer

https://nblumhardt.com/2011/01/an-autofac-lifetime-primer/Or,“AvoidingMemoryLeaksinManagedComposition”Understandinglifetimecanbeprettytoughwhenyou&r...

IT猿 ·2020-03-27

Controlling Scope and Lifetime

https://autofaccn.readthedocs.io/en/latest/lifetime/index.htmlAgreatplacetostartlearningaboutAutofacscopeandlifetimeisinNickBlumhardt’sAutofaclifetimeprim...

IT猿 ·2020-03-27

Instance scope

https://autofaccn.readthedocs.io/en/latest/lifetime/instance-scope.htmlInstancescopedetermineshowaninstanceissharedbetweenrequestsforthesameservice.Notethatyous...

IT猿 ·2020-03-27

Git does not apply deleted files when merging an old branch into the master. How can I tell Git to apply deleted files?

TheonlywayIcanfathomthispossiblesituationisifyoucreatedtwodifferentfiles,eachwiththesamefilename,inindependentbranches. 我遇到的情况的是Branch5和Branch6基于同一个commit出...

IT猿 ·2020-03-27

How to get the parents of a merge commit in git?

gitrev-list--parents-n1uk-645ec1aaab4714f7b47136e1e43744a70fc11a9f0 【theidofcurrentcommit】f49cddd09d099ed3a04fe608c2b4fc3e159fbb47025a7525fabb4...

IT猿 ·2020-03-27

Data: Science, Analytics & Management Trainings

Data:Science,Analytics&ManagementTrainings Asyoucanseeontheaboveimageofthreeconcentriccircles,DLisasubsetofML,whichisalsoasubsetofAI....

IT猿 ·2020-03-27

JQuery: Convert GET URL to POST

what'stheeasiestwaytoconvertaGETURLstringtoPOSTinjQuery?e.g.Iwanttheparamsofalink<ahref="/somepage?x=1&y=3"id="postlink">link</a>tobesubmitt...

IT猿 ·2020-03-27

This request has been blocked because sensitive information could be disclosed to third party web sites when this is used in a GET request.

2020-03-1611:04:35,168ERROR[13]:System.InvalidOperationException:Thisrequesthasbeenblockedbecausesensitiveinformationcouldbedisclosedtothirdpartywebsiteswhenthi...

IT猿 ·2020-03-27

RedGate support tickets

https://forum.red-gate.com/discussion/84930/use-drop-and-create-did-not-work-with-index-on-both-normal-column-and-computed-columnhttps://forum.red-gate.com/disc...

IT猿 ·2020-03-27

Enabling IIS and required IIS components on Windows Server

TolearnhowtoenableIISandtherequiredIIScomponentsonWindowsServer2012/2012R2,seetheinstructionsbelow.OpenServerManagerandclickManage>AddRolesandFeatures.ClickN...

IT猿 ·2020-03-27