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• JavaScript Sucks.

  - by Matt Watson

  JavaScript Sucks. Yes, I said it. Microsoft's announcement of TypeScript got me thinking today. Is this a step in the right direction? It sounds like it fixes a lot of problems with JavaScript development. But is it really just duct tape and super glue for a programming model that needs to be replaced?I have had a love hate relationship with JavaScript, like most developers who would prefer avoiding client side code. I started doing web development over 10 years ago and I have done some pretty cool stuff with JavaScript. It has came a long ways and is the universal standard these days for client side scripting in the web browser. Over the years the browsers have become much faster at processing JavaScript. Now people are even trying to use it on the server side via node.js. OK, so why do I think JavaScript sucks?Well first off, as an enterprise web application developer, I don't like any scripting or dynamic languages. I like code that compiles for lots of obvious reasons. It is messy to code with and lacks all kinds of modern programming features. We spend a lot of time trying to hack it to do things it was never really designed for.Ever try to use different jQuery based plugins that require conflicting jQuery versions? Yeah, that sucks.How about trying to figure out how to make 20 javascript include files load quicker as one request? Yeah that sucks too.Performance? Let me just point to the old Facebook mobile app made with JS & HTML5. It sucked. Enough said.How about unit testing JavaScript? I've never tried it, but it sure sounds like fun.My biggest problem with JavaScript is code security. If I make some awesome product, there is no way to protect my code. How can we expect game makers to write apps in 100% JavaScript and HTML5 if they can't protect their intellectual property?There are compiling tools like Closure, unit test frameworks, minify, coffee script, TypeScript and a bunch of other tools. But to me, they all try to make up for the weaknesses and problems with JavaScript. JavaScript is a mess and we spend a lot of time trying to work around all of it's problems. It is possible to program in Silverlight, Java or Flash and run that in the browser instead of JavaScript, but they all have their own problems and lack universal mobile support. I believe Microsoft's new TypeScript is a step forward for JavaScript, but I think we need to start planning to go a whole different direction. We need a new universal client side programming model, because JavaScript sucks.

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• How should data be passed between client-side Javascript and C# code behind an ASP.NET app?

  - by ctck

  I'm looking for the most efficient / standard way of passing data between client-side Javascript code and C# code behind an ASP.NET application. I've been using the following methods to achieve this but they all feel a bit of a fudge. To pass data from Javascript to the C# code is by setting hidden ASP variables and triggering a postback: <asp:HiddenField ID="RandomList" runat="server" /> function SetDataField(data) { document.getElementById('<%=RandomList.ClientID%>').value = data; } Then in the C# code I collect the list: protected void GetData(object sender, EventArgs e) { var _list = RandomList.value; } Going back the other way I often use either ScriptManager to register a function and pass it data during Page_Load: ScriptManager.RegisterStartupScript(this.GetType(), "Set","get("Test();",true); or I add attributes to controls before a post back or during the initialization or pre-rendering stages: Btn.Attributes.Add("onclick", "DisplayMessage("Hello");"); These methods have served me well and do the job, but they just dont feel complete. Is there a more standard way of passing data between client side Javascript and C# backend code? Ive seen some posts like this one that describe HtmlElement class; is this something I should look into?

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• Why the recent shift to removing/omitting semicolons from Javascript?

  - by Jonathan

  It seems to be fashionable recently to omit semicolons from Javascript. There was a blog post a few years ago emphasising that in Javascript, semicolons are optional and the gist of the post seemed to be that you shouldn't bother with them because they're unnecessary. The post, widely cited, doesn't give any compelling reasons not to use them, just that leaving them out has few side-effects. Even GitHub has jumped on the no-semicolon bandwagon, requiring their omission in any internally-developed code, and a recent commit to the zepto.js project by its maintainer has removed all semicolons from the codebase. His chief justifications were: it's a matter of preference for his team; less typing Are there other good reasons to leave them out? Frankly I can see no reason to omit them, and certainly no reason to go back over code to erase them. It also goes against (years of) recommended practice, which I don't really buy the "cargo cult" argument for. So, why all the recent semicolon-hate? Is there a shortage looming? Or is this just the latest Javascript fad?

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• Javascript widgets: do links count as SEO backlinks? [closed]

  - by j0nes

  Possible Duplicate: How good is it for SEO if you have a widget that lives on other sites? On my website I offer an option to let users embed information from my site with some kind of "homepage widget". If a user wants to embed it in his website, he basically has to add one line of Javascript to his HTML files like this: <script src="http://mysite.com/myscript.php?some_options_here"></script> Inside the widget, I export some content from my website and of course create a link back to my website. This is done in Javascript with document.write. document.writeln("My great exported content"); document.writeln('<a href="http://mysite.com?ref=widget>Check mysite.com</a>'); I have Google Analytics set up to track whether the links in there get clicked, and they do. Now I am asking myself if Google recognizes these links as valid backlinks from the embedding domain. I know that Googlebot can parse and execute Javascript, but I have not found any references whether these links also count as "normal" backlinks.

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• How dangerous can javascript be?

  - by CrazyJugglerDrummer

  I have recently started using noscript (in addition to ABP). It took a little while to get used to it and can occasionally require some clicking when visiting a new site to investigate why the site's not working and where I need to allow javascript from. Is the extra security worth it? Some of the controversy is discussed here. I suppose it boils down to a matter of whether javascript is a genuine threat to your computer or not. Any thoughts on this?

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• IE8 Refuses to run Javascript from Local Hard Drive

  - by Josh Stodola

  I have a problem that just started at work recently and the network manager is certain he did not change anything with the group policy. Anyways, here is a detailed description of the problem. My machine is Windows XP SP3, and I use IE8 to browse. We have McAffee anti-virus software that I am unable to configure. I use the following file to test... <!DOCTYPE html> <html> <head> <title>Javascript Test</title> </head> <body> <script type="text/javascript"> document.write("<h1>PASS</h1>"); </script> <noscript> <h1>FAIL</h1> </noscript> </body> </html> When I open this file from the C: drive, it fails every time. If I execute it anywhere else (local/remote web server or on a mapped network drive), it works just fine. When I am simply browsing the Internet, Javascript on web sites works just fine. It is only failing on files running from my C: drive. Additionally, I have had a couple other programmers in the department try this file on their C: drive, and it works fine for them. So I don't believe it is a group policy thing. I need to fix this because I do extensive testing from my C: drive, and I am accustomed to doing so. I don't want to get into the habit of moving files to a different drive just to test. Things I have tried: Enabled "Allow Active Content to Run Files on My Computer" in Options | Advanced | Security Enabled "Allow Active Scripting" in Options | Security | Custom Level Verified that "Script" was not checked as disabled in Developer Toolbar Added localhost to Trusted Sites in Options Disabled McAffee completely (momentarily, with help from network admin) Used an older DOCTYPE in my test HTML page Re-installed IE8 completely Ran regsvr32 on the JScript.dll Slammed keyboard I am sure that there is a setting somewhere that will fix this problem, possibly in the registry. I would not be surprised if it was related to the developer toolbar. At this point I do not know where else to look. Can anyone help me resolve this problem? EDIT: Regardless of the bounty, this issue is still ongoing.

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• Prevent users from being able to change JavaScript variables

  - by paldepind

  Is it possible somehow to prevent users from being able to change JavaScript variables, trough the address bar or with programs like FireBug?

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• Javascript error console in Chrome?

  - by Epaga

  I know how to do it in Firefox - how do I see Javascript errors in Chrome?

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• How to make nested Library in windows 7 ? [closed]

  - by Wahid Bitar

  Possible Duplicate: Is it possible to have nested libraries in Windows 7? I want to make new "Songs" library inside "Music" Library. How to do that? How to make nested library in windows 7? Edit: I know how to add folders to music library but i want to make new library inside music library. Is that possible?

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• Enterprise Library DAAB for JAVA?

  - by user48545

  Hi, I'm looking for a java library thats similar to .NET's Enterprise Library specifically the Data Access block. More details.. working on a java poc and would like a library to build the data access.. no ORM's or something too complicated. The library should be able to use MsSQL as a database.

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• Ideas for a C/C++ library

  - by Mohit Deshpande

  I thought one of the best ways to familiarise myself with C/C++, is to make a helpful library. I was maybe thinking like a geometry library, like to calculate areas, surface area, etc. It would be useful in game programming. Or maybe an algebra library, like for different formulas like the distance formula, quadratic formula, etc. Or maybe like a standard library for very simple functions, like calculating the number of items in an array.

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• CSS in a Flex 3 Library

  - by LE GALL Benoît

  Hi, I've made a library in flex with different components and my CSS I want to use in different projects (the goal of a library....). BUT even if I can use my components, I can't use my CSS file which is in the library. When I try <mx:Style source="assets/style.css" />, it wasn't found :( So, how I should do to have a CSS file in my library which can be use in a project ?? Thanks for all your help

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• Compiling linux library for mingw32

  - by TheFuzz

  I have been using a socket library for C++. Some other info: 32 bit Linux, Codelite and GCC toolset. I want to be able to compile my program for Windows using the windows edition of Codelite. The socket library I have been using doesn’t have a mingw32 build of the library, but it’s open source. So how can I make a mingw32 build of the socket library so I can make a windows build using the source provided?

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• Stack Overflow works best with JavaScript enabled banner

  - by carpenter

  I am trying to mimic this site's Javascipt required banner, and have the below divs which are being hidden if javascript is allowed/enabled, but I am getting a flash/glimps of it on page load. <div id="Main_noJS">Craftystuff.com works best with JavaScript enabled</div> <div id="PartOfMain_noJS"><br /></div> CSS: #Main_noJS { width: 100%; height: 23px; font-family: Arial; font-size: 111%; color: White; font-weight: bold; background: #AE0000; text-align: center; padding-top: 4px; position: fixed; z-index: 100; } JavaScript: // hide the "Craftystuff.com works best with JavaScript enabled" banner, if JavaScript is working if ($("#Main_noJS")) { $("#Main_noJS").hide(); // hide the spacer between the main content and banner... $("#PartOfMain_noJS").hide(); } So the banner is visible to start with, and only when javascript is enabled do I hide it but javascript must take a second to get to work to hide things... I would like to try to stop the glimps of the banner, when the page first loads, any help?

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• What is the best js library? [closed]

  - by Artic

  What is the best js library you ever used

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• Load javascript in app engine

  - by user624392

  I got so confused loading javascript in app engine. I am using django template. In my base html file. First I can't load my downloaded jquery from local say d:/jquery.js like <script src="d:\jquery.js" type="text/javascript" ></script></head>, This line is in my base html file. It works when I load jquery from remote. Like <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"type="text/javascript" ></script></head> I dont know why. Second, I can't load my own-created javascript to my html file, say I create a javascript like layout. Js and I try to load it like this in my child html file, which, by the way, inherits from the base html. <body><script src="layout.js" type="text/javascript"></script></body>, And it doesn't work at all, the only way it works I have tried is that I put the actual javascript in the body of my base html file. Like <body><script> $(document).ready( $("#yes"). Click(function() { $("#no"). Hide("slow"); })); </script> I dont know why either... Any help?

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• echo php javascript alert?

  - by Anaes Arias

  How can I echo this javascript if the php error messages is called? I have an error message setting that when a user misses his username or password it triggers an error message. The php error message is called by a php code. Here is the code: <?php echo showmessage($msg) ?> I have an alert message in javascript that when called it will make a javascript css pop up alert box. IF the javascript code is present it will show the alert box right away after reload. Here is code: <script type="text/javascript"> $(document).ready(function () { jqxAlert.alert('Alert Message'); }) </script> How can I incorporate so that when the php echo message comes up it will trigger the javscript alert message. I was trying an if in php, so something like this code: if ( showmessage($msg) ) { <script type="text/javascript"> $(document).ready(function () { jqxAlert.alert('Alert Message'); }) </script> } How can I echo my javascript message on the php call?

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• Eclipse > Javascript > Code highlighting not working with Object Notation

  - by Redsandro

  I am using Eclipse Helios with PDT, and when I am editing JavaScript files with the default JavaScript Editor (JSDT), code highlighting (Mark Occurrences) is not working for half of the code, for example JSON-style (or Object Literal if you will) declarations. Little example: Foo = {}; Foo.Bar = Foo.Bar || {}; Foo.Bar = { bar: function(str) { alert(str) }, baz: function(str) { this.bar(str); // This bar *is* highlighted though } }; Foo.Bar.baz('text'); No Bar, bar or baz is highlighted. For now, I humbly edit the JavaScript part of projects in Notepad++ because it just highlights every occurrence of whatever is currently selected. Is there a common practice for Eclipse JavaScript developers to get code highlighting work correctly, using the popular Object Literal notation? An option or update I missed? -update- I have found that code highlighting depends on the code being properly outlined. Altough commonly used, Object Literal outlining still seems rare in javascript editors. the Spket Javascript Editor does partial Object Literal outlining, and the Aptana Javascript Editor does full Object Literal outlining. But both loses other important functionality. A quest for the editor with the least loss of functionality is currently in progress in this question.

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• End-date greater than start-date validation javascript not working properly

  - by ianco slovak

  I am trying to make a validation for my dates so that enddate to be greater than start date but is not working.What am i doing wrong? <head> <script src="@Url.Content("~/Scripts/jquery.validate.min.js")" type="text/javascript"></script> <script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></script> <link href="@Url.Content("~/Content/Site.css")" rel="stylesheet" type="text/css" /> <script src="@Url.Content("~/Scripts/jquery-ui-1.8.19.min.js")" type="text/javascript"></script> <script src="@Url.Content("~/Scripts/jquery-ui.unobtrusive.min.js")" type="text/javascript"></script> <script src="@Url.Content("~/Scripts/jquery-ui.unobtrusive-0.5.0.min.js")" type="text/javascript"></script> <script src="@Url.Content("~/Scripts/gen_validatorv4.js")" type="text/javascript"></script> </head> @using (Html.BeginForm("SearchFree", "Reservation", FormMethod.Get,new {id = "form" })) { <h7>Introduceti perioada Rezervarii</h7> <div class="editor-label"> <label id="cautare" for="StartDate">Data Intrare: </label>@(Html.JQueryUI().Datepicker("StartDate").DateFormat("mm-dd-yy").MinDate(DateTime.Today).ShowButtonPanel(true).ChangeYear(true).ChangeMonth(true).NumberOfMonths(2)) </div> <div class="editor-label"> <label id="cautare" for="EndDate">Data Iesire:</label>@(Html.JQueryUI().Datepicker("EndDate").DateFormat("mm-dd-yy").MinDate(DateTime.Today).ShowButtonPanel(true).ChangeYear(true).ChangeMonth(true).NumberOfMonths(2)) </div> <p> <input id="buton1" type="submit" value="Cauta camere libere" /> </p> } <script type="text/javascript"> $(document).ready(function () { $.validator.addMethod("EndDate", function (value, element) { var startDate = $('.StartDate').val(); return Date.parse(startDate) <= Date.parse(value); } , "* End date must be after start date"); $('.form').validate(); }); </script>

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• loading remote page into DOM with javascript

  - by scoobydoo

  I am trying to write a web widget which will allow users to display customized information (from my website) in their own web page. The mechanism I want to use (for creating the web widget) is javascript. So basically, I want to be able to write some javascript code like this (this is what the end user copies into their HTML page, to get my widget displayed in their page) <script type="text/javascript"> /* javascript here to fetch page from remote url and insert into DOM */ </script> I have two questions: how do I write a javascript code to fetch the page from the remote url? Ideally this will be PLAIN javascript (i.e. not using jQuery etc - since I dont want to force the user to get third party scripts jQuery which may conflict with other scripts on their page etc) The page I am fetching contains inline javascript, which gets executed in an body.onLoad event, as well as other functions which are used in response to user actions - my questions are: i). will the body.onLoad event be triggered for the retrieved document?. ii). If the retrieved page is dumped directly into the DOM, then the document will contain two <body> sections, which is no longer valid (X)HTML - however, I need the body.onLoad event to be triggered for the page to be setup correctly, and I also need the other functions in the retrieved page, for the retrieved page to be able to respond to the user interaction. Any suggestions/tips on how I can solve these problems?

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• Music library clean up tool

  - by thegreyspot

  I wanted to know if there were any music library clean up tools. I am using Winamp so if it was capable the better. I'm looking to clean out duplicate songs and finding missing tags and album art. PS. make sure its free :)

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• Syncing multiple iPods with the same iTunes library

  - by oo

  Can you sync mutiple iPods with the sames iTunes library? I would like to keep just music on my iPod nano, but have both music and videos on my iPod touch. Is this even possible?

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• How does GCC compile applications that reference a static library

  - by technobrat

  I've read that the gcc compiler can perform certain optimization when compiling an application that references a static library, for instance - it will "pull" in only that code from the static library that the application depends upon. This helps keep the size of the application's executable to a minimum if portions of the static library are not being used by the app. 1) Is this true? 2) How does GCC know what code from the static library the application is actually using? Does it only look t the header files that are included (directly and indirectly) in the application and then pull code accordingly? Or does it actually look at what methods from the static library are being called?

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• Newly created Document library are not visible on sharepoint using webservices

  - by Royson

  Hi, I am able to create Document library. Lists listService = new Lists(); listService.PreAuthenticate = true; listService.Credentials = new NetworkCredential(username,password,domain; String url = "http://YourServer/SiteName/"; listService.Url = url @ + /_vti_bin/lists.asmx"; XmlNode ndList = listService.AddList(NewListName, "Description", 101); It is working successfully. But Problem i am facing is: New Document library are not visible in site. I tried with comparing Field Value of Both Visible and No-Visible Document library. Difference i found is : Visible Library (Created Manually) doesn't contain Version value. were as it it present in library which are created by this code. Can you help me out in this?

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• Netbeans Editor Library?

  - by Jeremybub

  Netbeans seems to say in several places that it supports a library to just host the "Netbeans editor" widget in some other program. It has some weird documentation that seems to say a lot, but doesn't really say much about how to use it: http://bits.netbeans.org/dev/javadoc/org-netbeans-modules-editor-lib2/architecture-summary.html I can't seem to find any download for the "Netbeans editor library" (1 or 2), and the documentation they provide says to download the entire mercurial repository, which doesn't really help me, since it doesn't tell me what is part of this "library" and what is not. If someone could point me to a download for this library, or some minimal documentation about how to use it, that would be great. I've already seen the blog post here, but it doesn't really help with getting the library, and it seems to be talking about classes which I can't find in the Netbeans sources I downloaded (Maybe a different version?)

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