#The

Extending Widgets with the Widget Factory

https://github.com/tkvw/jQuery-File-Upload/blob/master/js/jquery.fileupload-image-editor.js 扩展了 https://github.com/blueimp/jQuery-File-Upload/blob/mas...

How to run a function when the page is loaded?

window.onload=codeAddress; shouldwork- here'sademo,andthefullcode:方法1<!DOCTYPEhtml><html><head><title>Test</title><me...
代码星球 ·2021-02-08

Understanding the Module Pattern in JavaScript

OfallthedesignpatternsyouarelikelytoencounterinJavaScript,themodulepatternisprobablythemostpervasive遍布的,充斥各处的.Butitcanalsolookalittlestrangetodeveloperscomingfr...

The JavaScript this Keyword

https://www.w3schools.com/js/js_this.aspTheJavaScriptthiskeywordreferstotheobjectitbelongsto.Ithasdifferentvaluesdependingonwhereitisused:Inamethod,thisrefersto...
代码星球 ·2021-02-08

What's the difference between HEAD^ and HEAD~ in Git?

Use~mostofthetime—togobackanumberofgenerations,usuallywhatyouwantUse^onmergecommits—becausetheyhavetwoormore(immediate)parentsMnemonics:Tilde~isalmo...

What is the !! (not not) operator in JavaScript?

解答1Coerces强制 oObject toboolean.Ifitwasfalsey(e.g.0, null, undefined,etc.),itwillbe false,otherwise, true.!oObject//Invertedboolean...
代码星球 ·2021-02-08

shell script operate the date

Usethedatecommand'sabilitytoadddaystoexistingdates.Thefollowing:DATE=2013-05-25foriin{0..8}doNEXT_DATE=$(date+%m-%d-%Y-d"$DATE+$iday")echo"$NEXT_DATE"done ...

The control collection cannot be modified during DataBind, Init, Load, PreRender or Unload phases.

https://stackoverflow.com/questions/5508666/dynamically-add-html-to-asp-net-page  https://stackoverflow.com/questions/4975823/adding-to-page-control-c...

In an ASP.NET website with a codebehind at what point are the .cs files compiled?

 Thisappliesto WebApplication projectsasopposedto WebSite projects,whichare CodeFile bydefault,anddon'tallowchangingthebuilda...
代码星球 ·2021-02-08

What is the most efficient way to deep clone an object in JavaScript?

Sincecloningobjectsisnottrivial(complextypes,circularreferences,functionetc.),mostmajorlibrariesprovidefunctiontocloneobjects.Don'treinventthewheel-ifyou'realre...
代码星球 ·2021-02-08

What exactly is the parameter e (event) and why pass it to JavaScript functions?

问题Well,whenIlearnedJavaScript,allthebooksandInternetarticlesIreadshowedcodepassingaparameteretofunctionsthathandleJavaScriptevents,suchasthecodeblockbelow:funct...

How does ASP.NET Forms Authentication really work?

I'vealwayswonderedhowexactlyASP.NETformsauthenticationworks.Yes,IknowhowtoconfigureFormsAuthentication,buthowdoesformsauthenticationworkinthebackground? Wi...

under the hood

adjectiveametaphoricalareathatcontainstheunderlyingimplementationofsomething-e.g.apieceofhardware,apieceofsoftware,anidea,etc.Let'snowlook underthehood&nbs...
代码星球 ·2021-02-08

How to change the button text of <input type=“file” />?

Simply<labelclass="btnbtn-primary"><iclass="fafa-image"></i>Yourtexthere<inputtype="file"style="display:none;"name="image"></label>...
代码星球 ·2021-02-08
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