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  • Are too many assertions code smell?

    - by Florents
    I've really fallen in love with unit testing and TDD - I am test infected. However, unit testing is used for public methods. Sometimes though I do have to test some assumptions-assertions in private methods too, because some of them are "dangerous" and refactoring can't help further. (I know, testing frameworks allo testing private methods). So, It became a habit of mine that (almost always) the first and the last line of a private method are both assertions. I guess this couldn't be bad (right ??). However, I've noticed that I also tend to use assertions in public methods too (as in the private) just "to be sure". Could this be "testing duplication" since the public method assumpotions are tested from the unit testng framework? Could someone think of too many assertions as a code smell?

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  • SQL code editor with syntax highlighing, auto-formatting and code folding

    - by Victor Stanciu
    Hello, Is there any SQL editor that supports syntax highlighting, automatic code formatting and code folding? I found this, but it's an Eclipse plugin (I'm a NetBeans user), and cannot automatically format code, which is the most important feature I'm after. Autocompletion is not important, nor is the possibility of running the code (like the SQL editor in NetBeans). Edit: I'm sorry for not specifying, I'm looking for Linux or even web-based software.

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  • Code coverage (c++ code execution path)

    - by Poni
    Let's say I have this code: int function(bool b) { // execution path 1 int ret = 0; if(b) { // execution path 2 ret = 55; } else { // execution path 3 ret = 120; } return ret; } I need some sort of a mechanism to make sure that the code has gone in any possible path, i.e execution paths 1, 2 & 3 in the code above. I thought about having a global function, vector and a macro. This macro would simply call that function, passing as parameters the source file name and the line of code, and that function would mark that as "checked", by inserting to the vector the info that the macro passed. The problem is that I will not see anything about paths that did not "check". Any idea how do I do this? How to "register" a line of code at compile-time, so in run-time I can see that it didn't "check" yet? I hope I'm clear.

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  • Creating a Template Like System in cPanel

    - by clifgray
    I am creating a medium sized website using cPanel and their File Manager system and the majority of my pages are going to be the same with a different title and content section and I wanted to see if there is a system for making one general template file and then having all the other pages inherit from that file so all I have to do is have a content and title section and the rest of the links, headers, and whatnot can be changed throughout the site by just changing one file. Is there anything like this? I have used Jinaj2 in python and a few other systems for other server scripting languages but I am not sure how to implement it with cPanel.

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  • Blogger Dynamic template sometimes broken

    - by ber4444
    In all browsers (IE, Chrome, etc.) in my office and in all Blogger blogs using the dynamic template, I'm having this strange problem: No menu on the right side (except for the Subscribe button - other buttons are missing) plus no layout selection bar (top row). This problem is occasional, not happening reliably; any ideas? Update: whenever I get the menu problem with dynamic templates, I also seem to get a broken page (in Chrome, IE, etc) with simple templates - see second screenshot. Does anyone having this issue?

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  • problem with template: negative margins on float

    - by Fuxi
    hi, i'm having a very strange problem with the wordpress template. i'd like to place 2 divs besides each other like this: <div style='float:left;'> left div </div> <div style='float:right'> right div </div> normally this works as it should - both divs should stick directly to each other - but something in the style.css (which uses css reset) causes the right div to overlap the left div with ~ 5pixels. i searched the whole .css for it but couldn't find out :(( it's just a fact that it must be something with the default css. anyone knows what is causing this - some fix? thanks

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  • problem with template: negative margins on float

    - by Fuxi
    i'm having a very strange problem with the wordpress template. i'd like to place 2 divs besides each other like this: <div style='float:left;'> left div </div> <div style='float:right'> right div </div> normally this works as it should - both divs should stick directly to each other - but something in the style.css (which uses css reset) causes the right div to overlap the left div with ~ 5pixels. i searched the whole .css for it but couldn't find out :(( it's just a fact that it must be something with the default css. anyone knows what is causing this - some fix? thanks

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  • Get filename for puppet template

    - by Noodles
    I have a file that I'd like to reuse for a few different purposes. The file is 90% the same across uses, just slight differences. I'd rather not replicate the content across multiple files in puppet, so is there a way to do something like file { "/tmp/file1" : content => template("module/template.erb") } file { "/tmp/file2" : content => template("module/template.erb") } And in the template: Jack John James <% if file == "/tmp/file2" %> Jim <% end %>

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  • Announcing RSS feeds of Microsoft All-In-One Code Framework code samples

    - by Jialiang
    Today, we are not only announcing Sample Browser v2 CTP, but we are also excited to announce the availability of RSS feeds of All-In-One Code Framework code samples. By using these feeds, you can easily track and download the new code samples. English RSS feeds All code samples: http://support.microsoft.com/rss/en/rss.xml ASP.NET code samples: http://support.microsoft.com/rss/en/ASPNET.xml Silverlight code samples: http://support.microsoft.com/rss/en/Silverlight.xml Azure code samples: http://support.microsoft.com/rss/en/Azure.xml COM code samples: http://support.microsoft.com/rss/en/COM.xml Data Platform code samples: http://support.microsoft.com/rss/en/Data%20Platform.xml Library code samples: http://support.microsoft.com/rss/en/Library.xml Office dev code samples: http://support.microsoft.com/rss/en/Office.xml VSX code samples: http://support.microsoft.com/rss/en/VSX.xml Windows 7 code samples: http://support.microsoft.com/rss/en/Windows%207.xml Windows Forms code samples: http://support.microsoft.com/rss/en/Windows%20Forms.xml Windows General code samples: http://support.microsoft.com/rss/en/Windows%20General.xml Windows Service code samples: http://support.microsoft.com/rss/en/Windows%20Service.xml Windows Shell code samples: http://support.microsoft.com/rss/en/Windows%20Shell.xml Windows UI code samples: http://support.microsoft.com/rss/en/Windows%20UI.xml WPF code samples: http://support.microsoft.com/rss/en/WPF.xml ??RSS?? ??????:http://support.microsoft.com/rss/zh-cn/codeplex/rss.xml ASP.NET????:http://support.microsoft.com/rss/zh-cn/codeplex/ASPNET.xml Silverlight????:http://support.microsoft.com/rss/zh-cn/codeplex/Silverlight.xml Azure ????: http://support.microsoft.com/rss/zh-cn/codeplex/Azure.xml COM ????: http://support.microsoft.com/rss/zh-cn/codeplex/COM.xml Data Platform ????: http://support.microsoft.com/rss/zh-cn/codeplex/Data%20Platform.xml Library ????: http://support.microsoft.com/rss/zh-cn/codeplex/Library.xml Office dev ????: http://support.microsoft.com/rss/zh-cn/codeplex/Office.xml VSX ????: http://support.microsoft.com/rss/zh-cn/codeplex/VSX.xml Windows 7 ????: http://support.microsoft.com/rss/zh-cn/codeplex/Windows%207.xml Windows Forms ????: http://support.microsoft.com/rss/zh-cn/codeplex/Windows%20Forms.xml Windows General ????: http://support.microsoft.com/rss/zh-cn/codeplex/Windows%20General.xml Windows Service ????: http://support.microsoft.com/rss/zh-cn/codeplex/Windows%20Service.xml Windows Shell ????: http://support.microsoft.com/rss/zh-cn/codeplex/Windows%20Shell.xml Windows UI ????: http://support.microsoft.com/rss/zh-cn/codeplex/Windows%20UI.xml WPF ????: http://support.microsoft.com/rss/zh-cn/codeplex/WPF.xml

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  • template engine implementation

    - by qwerty
    I am currently building this small template engine. It takes a string containing the template in parameter, and a dictionary of "tags,values" to fill in the template. In the engine, I have no idea of the tags that will be in the template and the ones that won't. I am currently iterating (foreach) on the dictionnary, parsing my string that I have put in a string builder, and replacing the tags in the template by their corresponding value. Is there a more efficient/convenient way of doing this? I know the main drawback here is that the stringbuilder is parsed everytime entirely for each tag, which is quite bad... (I am also checking, though not included in the sample, after the process that my template does not contain any tag anymore. They are all formated in the same way: @@tag@@) //Dictionary<string, string> tagsValueCorrespondence; //string template; StringBuilder outputBuilder = new StringBuilder(template); foreach (string tag in tagsValueCorrespondence.Keys) { outputBuilder.Replace(tag, tagsValueCorrespondence[tag]); } template = outputBuilder.ToString(); Responses: @Marc: string template = "Some @@foobar@@ text in a @@bar@@ template"; StringDictionary data = new StringDictionary(); data.Add("foo", "value1"); data.Add("bar", "value2"); data.Add("foo2bar", "value3"); Output: "Some text in a value2 template" instead of: "Some @@foobar@@ text in a value2 template"

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  • Soapi.CS : A fully relational fluent .NET Stack Exchange API client library

    - by Sky Sanders
    Soapi.CS for .Net / Silverlight / Windows Phone 7 / Mono as easy as breathing...: var context = new ApiContext(apiKey).Initialize(false); Question thisPost = context.Official .StackApps .Questions.ById(386) .WithComments(true) .First(); Console.WriteLine(thisPost.Title); thisPost .Owner .Questions .PageSize(5) .Sort(PostSort.Votes) .ToList() .ForEach(q=> { Console.WriteLine("\t" + q.Score + "\t" + q.Title); q.Timeline.ToList().ForEach(t=> Console.WriteLine("\t\t" + t.TimelineType + "\t" + t.Owner.DisplayName)); Console.WriteLine(); }); // if you can think it, you can get it. Output Soapi.CS : A fully relational fluent .NET Stack Exchange API client library 21 Soapi.CS : A fully relational fluent .NET Stack Exchange API client library Revision code poet Revision code poet Votes code poet Votes code poet Revision code poet Revision code poet Revision code poet Votes code poet Votes code poet Votes code poet Revision code poet Revision code poet Revision code poet Revision code poet Revision code poet Revision code poet Revision code poet Revision code poet Revision code poet Revision code poet Votes code poet Comment code poet Revision code poet Votes code poet Revision code poet Revision code poet Revision code poet Answer code poet Revision code poet Revision code poet 14 SOAPI-WATCH: A realtime service that notifies subscribers via twitter when the API changes in any way. Votes code poet Revision code poet Votes code poet Comment code poet Comment code poet Comment code poet Votes lfoust Votes code poet Comment code poet Comment code poet Comment code poet Comment code poet Revision code poet Comment lfoust Votes code poet Revision code poet Votes code poet Votes lfoust Votes code poet Revision code poet Comment Dave DeLong Revision code poet Revision code poet Votes code poet Comment lfoust Comment Dave DeLong Comment lfoust Comment lfoust Comment Dave DeLong Revision code poet 11 SOAPI-EXPLORE: Self-updating single page JavaSript API test harness Votes code poet Votes code poet Votes code poet Votes code poet Votes code poet Comment code poet Revision code poet Votes code poet Revision code poet Revision code poet Revision code poet Comment code poet Revision code poet Votes code poet Comment code poet Question code poet Votes code poet 11 Soapi.JS V1.0: fluent JavaScript wrapper for the StackOverflow API Comment George Edison Comment George Edison Comment George Edison Comment George Edison Comment George Edison Comment George Edison Answer George Edison Votes code poet Votes code poet Votes code poet Votes code poet Revision code poet Revision code poet Answer code poet Comment code poet Revision code poet Comment code poet Comment code poet Comment code poet Revision code poet Revision code poet Votes code poet Votes code poet Votes code poet Votes code poet Comment code poet Comment code poet Comment code poet Comment code poet Comment code poet 9 SOAPI-DIFF: Your app broke? Check SOAPI-DIFF to find out what changed in the API Votes code poet Revision code poet Comment Dennis Williamson Answer Dennis Williamson Votes code poet Votes Dennis Williamson Comment code poet Question code poet Votes code poet About A robust, fully relational, easy to use, strongly typed, end-to-end StackOverflow API Client Library. Out of the box, Soapi provides you with a robust client library that abstracts away most all of the messy details of consuming the API and lets you concentrate on implementing your ideas. A few features include: A fully relational model of the API data set exposed via a fully 'dot navigable' IEnumerable (LINQ) implementation. Simply tell Soapi what you want and it will get it for you. e.g. "On my first question, from the author of the first comment, get the first page of comments by that person on any post" my.Questions.First().Comments.First().Owner.Comments.ToList(); (yes this is a real expression that returns the data as expressed!) Full coverage of the API, all routes and all parameters with an intuitive syntax. Strongly typed Domain Data Objects for all API data structures. Eager and Lazy Loading of 'stub' objects. Eager\Lazy loading may be disabled. When finer grained control of requests is desired, the core RouteMap objects may be leveraged to request data from any of the API paths using all available parameters as documented on the help pages. A rich Asynchronous implementation. A configurable request cache to reduce unnecessary network traffic and to simplify your usage logic. There is no need to go out of your way to be frugal. You may set a distinct cache duration for any particular route. A configurable request throttle to ensure compliance with the api terms of usage and to simplify your code in that you do not have to worry about and respond to 50X errors. The RequestCache and Throttled Queue are thread-safe, so can make as many requests as you like from as many threads as you like as fast as you like and not worry about abusing the api or having to write reams of management/compensation code. Configurable retry threshold that will, by default, make up to 3 attempts to retrieve a request before failing. Every request made by Soapi is properly formed and directed so most any http error will be the result of a timeout or other network infrastructure. A retry buffer provides a level of fault tolerance that you can rely on. An almost identical javascript library, Soapi.JS, and it's full figured big brother, Soapi.JS2, that will enable you to leverage your server cycles and bandwidth for only those tasks that require it and offload things like status updates to the client's browser. License Licensed GPL Version 2 license. Why is Soapi.CS GPL? Can I get an LGPL license for Soapi.CS? (hint: probably) Platforms .NET 3.5 .NET 4.0 Silverlight 3 Silverlight 4 Windows Phone 7 Mono Download Source code lives @ http://soapics.codeplex.com. Binary releases are forthcoming. codeplex is acting up again. get the source and binaries @ http://bitbucket.org/bitpusher/soapi.cs/downloads The source is C# 3.5. and includes projects and solutions for the following IDEs Visual Studio 2008 Visual Studio 2010 ModoDevelop 2.4 Documentation Full documentation is available at http://soapi.info/help/cs/index.aspx Sample Code / Usage Examples Sample code and usage examples will be added as answers to this question. Full API Coverage all API routes are covered Full Parameter Parity If the API exposes it, Soapi giftwraps it for you. Building a simple app with Soapi.CS - a simple app that gathers all traces of a user in the whole stackiverse. Fluent Configuration - Setting up a Soapi.ApiContext could not be easier Bulk Data Import - A tiny app that quickly loads a SQLite data file with all users in the stackiverse. Paged Results - Soapi.CS transparently handles multi-page operations. Asynchronous Requests - Soapi.CS provides a rich asynchronous model that is especially useful when writing api apps in Silverlight or Windows Phone 7. Caching and Throttling - how and why Apps that use Soapi.CS Soapi.FindUser - .net utility for locating a user anywhere in the stackiverse Soapi.Explore - The entire API at your command Soapi.LastSeen - List users by last access time Add your app/site here - I know you are out there ;-) if you are not comfortable editing this post, simply add a comment and I will add it. The CS/SL/WP7/MONO libraries all compile the same code and with the exception of environmental considerations of Silverlight, the code samples are valid for all libraries. You may also find guidance in the test suites. More information on the SOAPI eco-system. Contact This library is currently the effort of me, Sky Sanders (code poet) and can be reached at gmail - sky.sanders Any who are interested in improving this library are welcome. Support Soapi You can help support this project by voting for Soapi's Open Source Ad post For more information about the origins of Soapi.CS and the rest of the Soapi eco-system see What is Soapi and why should I care?

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  • Certificate Template Missing from "Certificate Template to Issue"

    - by Adam Robinson
    I'm having a problem similar to that posted in this question: Missing Certificate template From certificate to issue The short version is that I've created a duplicate certificate template and I'm trying to add it to my domain CA so that I can issue certificates with it. However, when I go into the Certification Authority MMC and go to "Certificate Templates - New - Certificate Template To Issue", my template is missing (along with quite a number of other templates that are present in the domain). Unlike the previous question, however, my CA is running on Server 2008 R2 Enterprise. Our organization has a single DC and a single CA, so I'm not seeing where there could be propagation delay. Any ideas how to get my template to show so that I can issue certificates?

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  • Feedback on TOC Generation Code

    - by vikramjb
    Hi All I wrote a small code to generate ToC or Hierachical Bullets like one sees in a word document. Like the following set 1. 2 3 3.1 3.1.1 4 5 and so on so forth, the code is working but I am not happy with the code I have written, I would appreciate if you guys could shed some light on how I can improve my C# code. You can download the project from Rapidshare Please do let me know if you need more info. I am making this a community wiki. private void frmMain_Load(object sender, EventArgs e) { this.EnableSubTaskButton(); } private void btnNewTask_Click(object sender, EventArgs e) { this.AddNodes(true); } private void AddNodes(bool IsParent) { TreeNode parentNode = tvToC.SelectedNode; string curNumber = "0"; if (parentNode != null) { curNumber = parentNode.Text.ToString(); } curNumber = this.getTOCReference(curNumber, IsParent); TreeNode childNode = new TreeNode(); childNode.Text = curNumber; this.tvToC.ExpandAll(); this.EnableSubTaskButton(); this.tvToC.SelectedNode = childNode; if (IsParent) { if (parentNode == null) { tvToC.Nodes.Add(childNode); } else { if (parentNode.Parent != null) { parentNode.Parent.Nodes.Add(childNode); } else { tvToC.Nodes.Add(childNode); } } } else { parentNode.Nodes.Add(childNode); } } private string getTOCReference(string curNumber, bool IsParent) { int lastnum = 0; int startnum = 0; string firsthalf = null; int dotpos = curNumber.IndexOf('.'); if (dotpos > 0) { if (IsParent) { lastnum = Convert.ToInt32(curNumber.Substring(curNumber.LastIndexOf('.') + 1)); lastnum++; firsthalf = curNumber.Substring(0, curNumber.LastIndexOf('.')); curNumber = firsthalf + "." + Convert.ToInt32(lastnum.ToString()); } else { lastnum++; curNumber = curNumber + "." + Convert.ToInt32(lastnum.ToString()); } } else { if (IsParent) { startnum = Convert.ToInt32(curNumber); startnum++; curNumber = Convert.ToString(startnum); } else { curNumber = curNumber + ".1"; } } return curNumber; } private void btnSubTask_Click(object sender, EventArgs e) { this.AddNodes(false); } private void EnableSubTaskButton() { if (tvToC.Nodes.Count == 0) { btnSubTask.Enabled = false; } else { btnSubTask.Enabled = true; } } private void btnTest1_Click(object sender, EventArgs e) { for (int i = 0; i < 100; i++) { this.AddNodes(true); } for (int i = 0; i < 5; i++) { this.AddNodes(false); } for (int i = 0; i < 5; i++) { this.AddNodes(true); } }

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  • Clean Code: A Handbook of Agile Software Craftsmanship – book review

    - by DigiMortal
       Writing code that is easy read and test is not something that is easy to achieve. Unfortunately there are still way too much programming students who write awful spaghetti after graduating. But there is one really good book that helps you raise your code to new level – your code will be also communication tool for you and your fellow programmers. “Clean Code: A Handbook of Agile Software Craftsmanship” by Robert C. Martin is excellent book that helps you start writing the easily readable code. Of course, you are the one who has to learn and practice but using this book you have very good guide that keeps you going to right direction. You can start writing better code while you read this book and you can do it right in your current projects – you don’t have to create new guestbook or some other simple application to start practicing. Take the project you are working on and start making it better! My special thanks to Robert C. Martin I want to say my special thanks to Robert C. Martin for this book. There are many books that teach you different stuff and usually you have markable learning curve to go before you start getting results. There are many books that show you the direction to go and then leave you alone figuring out how to achieve all that stuff you just read about. Clean Code gives you a lot more – the mental tools to use so you can go your way to clean code being sure you will be soon there. I am reading books as much as I have time for it. Clean Code is top-level book for developers who have to write working code. Before anything else take Clean Code and read it. You will never regret your decision. I promise. Fragment of editorial review “Even bad code can function. But if code isn’t clean, it can bring a development organization to its knees. Every year, countless hours and significant resources are lost because of poorly written code. But it doesn’t have to be that way. What kind of work will you be doing? You’ll be reading code—lots of code. And you will be challenged to think about what’s right about that code, and what’s wrong with it. More importantly, you will be challenged to reassess your professional values and your commitment to your craft. Readers will come away from this book understanding How to tell the difference between good and bad code How to write good code and how to transform bad code into good code How to create good names, good functions, good objects, and good classes How to format code for maximum readability How to implement complete error handling without obscuring code logic How to unit test and practice test-driven development This book is a must for any developer, software engineer, project manager, team lead, or systems analyst with an interest in producing better code.” Table of contents Clean code Meaningful names Functions Comments Formatting Objects and data structures Error handling Boundaries Unit tests Classes Systems Emergence Concurrency Successive refinement JUnit internals Refactoring SerialDate Smells and heuristics A Concurrency II org.jfree.date.SerialDate Cross references of heuristics Epilogue Index

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  • code first CTP5 error message

    - by user482833
    I get the following error message with a new project I have set using code first CTP5. Can't find anything on the web about it. Has anyone encountered this error message? The context cannot be used while the model is being created. This occurs the first time my database context is called (code below): using (StaffData context = new StaffData()) { return context.Employees.Count(e = e.EmployeeReference) == 1; } At this point the database has not been created. I have a database initialiser DropCreateDatabaseIfModelChanges which I set in app_start.

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  • Code Formatter: cleaning up horribly formatted jsp code

    - by ahiru
    So I am working on a jsp/servlet that came to me and I'm looking at the jsp file and it is just a jungle of jstl tags, java code and html thrown together. At first it looked like someone ran the standard eclipse formatter on it and had the page width set to 40 so alot of stuff is broken up, I tried to format it with a larger page width but that seemed to make it worse to the point of not being able to tell what is going on without formatting parts of it first. Anyone have any luck with any jsp/code formatter?

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  • Thoughts on my new template language?

    - by Ralph
    Let's start with an example: using "html5" using "extratags" html { head { title "Ordering Notice" jsinclude "jquery.js" } body { h1 "Ordering Notice" p "Dear @name," p "Thanks for placing your order with @company. It's scheduled to ship on {@ship_date|dateformat}." p "Here are the items you've ordered:" table { tr { th "name" th "price" } for(@item in @item_list) { tr { td @item.name td @item.price } } } if(@ordered_warranty) p "Your warranty information will be included in the packaging." p(class="footer") { "Sincerely," br @company } } } The "using" keyword indicates which tags to use. "html5" might include all the html5 standard tags, but your tags names wouldn't have to be based on their HTML counter-parts at all if you didn't want to. The "extratags" library for example might add an extra tag, called "jsinclude" which gets replaced with something like <script type="text/javascript" src="@content"></script> Tags can be optionally be followed by an opening brace. They will automatically be closed as the closing brace. If no brace is used, they will be closed after taking on element. Variables are prefixed with the @ symbol. They may be used inside double-quoted strings. I think I'll use single-quotes to indicate "no variable substitution" like PHP does. Filter functions can be applied to variables like @variable|filter. Arguments can be passed to the filter @variable|filter:@arg1,arg2="y" Attributes can be passed to tags by including them in (), like p(class="classname"). Some questions: Which symbol should I use to prefix variables? @ (like Razor), $ (like PHP), or something else? Should the @ symbol be necessary in "for" and "if" statements? It's kind of implied that those are variables. Tags and controls (like if,for) presently have the exact same syntax. Should I do something to differentiate the two? If so, what? Do you like the attribute syntax? (round brackets) I'll add more questions in a few minutes, once I get some feedback.

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  • Best way to relate code smells to a non technical audience?

    - by Ed Guiness
    I have been asked to present examples of code issues that were found during a code review. My audience is mostly non-technical and I want to try to express the issues in such a way that I convey the importance of "good code" versus "bad code". But as I review my presentation it seems to me I've glossed over the reasons why it is important to write good code. I've mentioned a number of reasons including ease of maintenance, increased likelihood of bugs, but with my "non tech" hat on they seem unconvincing. What is your advice for helping a non-technical audience relate to the importance of good code?

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  • What's the most effective way to perform code reviews?

    - by Paddyslacker
    I've never found the ideal way to perform code reviews and yet often my customers require them. Each customer seems to do them in a different way and I've never felt satisfied in any of them. What has been the most effective way for you to perform code reviews? For example: Is one person regarded as the gatekeeper for quality and reviews the code, or do the team own the standard? Do you do review code as a team exercise using a projector? Is it done in person, via email or using a tool? Do you eschew reviews and use things like pair programming and collective code ownership to ensure code quality?

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  • Shouldn't all source code be plain text? [on hold]

    - by user61852
    Some developing environment/languages save the source code you write in a binary/propietary format that you cannot see or edit with a generic text editor. I'm not talking about compiled code, but the source code. An example could be PowerBuilder and Oracle Forms. It's ok you use proprietary technology if you want, but not being able to open the source code you wrote, in a simple editor, if only to read it, seems like a very strict form of vendor lock-in. Also this prevents you from using text-based version controls that can show you the difference between two versions in a line-by-line base. If the code is plain text, you don't need a license in order to just open it, see it and learn from it. Should it be a golden rule to avoid vendor lock-in to avoid technologies that save your source code to anything but plain text files ?

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  • Writing a Javascript library that is code-completion and code-inspection friendly

    - by Vivin Paliath
    I recently made my own Javascript library and I initially used the following pattern: var myLibrary = (function () { var someProp = "..."; function someFunc() { ... } function someFunc2() { ... } return { func: someFunc, fun2: someFunc2, prop: someProp; } }()); The problem with this is that I can't really use code completion because the IDE doesn't know about the properties that the function literal is returning (I'm using IntelliJ IDEA 9 by the way). I've looked at jQuery code and tried to do this: (function(window, undefined) { var myLibrary = (function () { var someProp = "..."; function someFunc() { ... } function someFunc2() { ... } return { func: someFunc, fun2: someFunc2, prop: someProp; } }()); window.myLibrary = myLibrary; }(window)); I tried this, but now I have a different problem. The IDE doesn't really pick up on myLibrary either. The way I'm solving the problem now is this way: var myLibrary = { func: function() { }, func2: function() { }, prop: "" }; myLibrary = (function () { var someProp = "..."; function someFunc() { ... } function someFunc2() { ... } return { func: someFunc, fun2: someFunc2, prop: someProp; } }()); But that seems kinda clunky, and I can't exactly figure out how jQuery is doing it. Another question I have is how to handle functions with arbitrary numbers of parameters. For example, jQuery.bind can take 2 or 3 parameters, and the IDE doesn't seem to complain. I tried to do the same thing with my library, where a function could take 0 arguments or 1 argument. However, the IDE complains and warns that the correct number of parameters aren't being sent in. How do I handle this?

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  • How can I track down "Template process failed: undef error" in Perl's Template Toolkit?

    - by swisstony
    I've moved a Perl CGI app from one web host to another. Everything's running fine except for Template Tookit which is giving the following error: "Template process failed: undef error - This shouldn't happen at /usr/lib/perl5/5.8.8/CGI/Carp.pm line 314." The templates are working fine on the other web host. I've set the DEBUG_ALL flag when creating the template object, but it doesn't provide any additional info about errors just loads of debug output. I can't post the template source as there's lots of client specific stuff in it. I've written a simple test template and that works okay. Just wondering if anyone had seen this error before or has any ideas on the quickest way to find a fix for it. EDIT: Here's a snippet of the code that loads and processes the template. my $vars = {}; $vars->{page_url} = $page_url; $vars->{info} = $info; $vars->{is_valid} = 0; $vars->{invalid_input} = 0; $vars->{is_warnings} = 0; $vars->{is_invalid_price} = 0; $vars->{output_from_proc} = $proc_output; ... my $file = 'clientTemplate.html'; #create ref to hash use Template::Constants qw( :debug ); my $template = Template->new( { DEBUG => DEBUG_SERVICE | DEBUG_CONTEXT | DEBUG_PROVIDER | DEBUG_PLUGINS | DEBUG_FILTERS | DEBUG_PARSER | DEBUG_DIRS, EVAL_PERL => 1, INCLUDE_PATH => [ '/home/perlstuff/templates', ], } ); $template->process( $file, $vars ) || die "Template process failed: ", $template->error(), "\n";

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