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• ASP.NET MVC & Silverlight development - on Ubuntu

  - by queen3

  I recently moved my working environment from Windows 7 to Ubuntu, and enjoy this every minute of my working day. My work is currently to develop ASP.NET MVC and Silverlight applications. Thus, important Windows stuff is being still run in VirtualBox (such as IIS, MSSQL, Silverlight 3, and legacy COM stuff). For now, I use Visual Studio under VirtualBox as editor/IDE/debugger. But since I prefer Ubuntu fonts and UI much more I'd like to move at least editor (and better IDE) to native Ubuntu. Things I have already done: I store project files in my home folder and run Visual Studio from \vboxsvr share. With few tricks for ASP.NET it works. I use svn on Ubuntu. I test my ASP.NET MVC site using FireFox/FireBug on Ubuntu. What I need on Ubuntu: SQL client to manage MSSQL. I mostly need querying, but I would miss SQL intellisense support. I enjoy command-line svn a lot, but there're times when it's not enough (e.g. view files / check diffs / selectively commit at the sames time) so I wonder if there're any addons - I don't mean replacement for svn, just addons for rare cases like above. I wonder if there're editors that can provide some C# intellisense. Yes I know about MonoDevelop, but will it provide intellisense without compiling (since I'm going to compile remotely in Win box)? And pretty big topic, what's the best way (editor/IDE) to do "folder-based" development? What I mean: The project is /trunk. Everything is there. I don't want to manually add files to project or like that. The project is the folder and files down there. Main task is to edit files of course. I need a quick way to open / search for files in the project. Like in Resharper, I can click Ctrl-Shift-T (IIRC) and just type file name, a list of matching files in the project folder and below is shown. For example, gedit has file tree browser, but I can't quickly type XYZ to find all XYZ files there; moreover it doesn't automatically switch focus to/from editor; so it's more mouse-oriented; I need 100% keyboard way. I need syntax highlighting for C#/HTML/JS. Most importantly, I need HTML tags autocompletion. I can live without it, but I'll be sorry. I need to run compilation remotely (via ssh I think, invoking NAnt script which does MSBuild) and grab results such as errors and warnings, and I'd prefer to quickly go to error line/file. In short, I need to edit/search/open/svn/compile/run files in some folder. Looks like a case for command-line, but imaging I'm in /trunk and want to open file.cs inside /trunk/foo/bar/boo/far, I wouldn't want to type all this path even with bash autocompletion help. I'd prefer to enter :open file.cs, and maybe then select from list of file.cs and file1.cs. Well, maybe I'll add more soon. Actually, I don't have exact requirements; for example, I don't even know if I need to ask for IDE or editor; or should it have svn support integrated or I need to use it from console; do people work with files from console (search/commit/delete/etc) and open editor from there, or they work from editor/IDE and manage files (search/commit/delete) from there? What's better? I have a feeling that vim might have everything I need. I'd like to confirm that, before I spend a lot of time learning it. No I don't want Emacs. Any other IDE? I like Eclipse, but is it good for such stuff? And after all, do you feel like it's a good way to go? I enjoy Ubuntu, enjoy learning new stuff, and Ubuntu + Windows in VirtualBox actually runs faster than Windows7 on my mahcine, but maybe I need to keep development (editor/files management/etc) in Windows/VirtualBox only, leaving other stuff for Ubuntu?

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• football manager facebook application

  - by jeansymolanza

  hey guys i'm about to begin a football manager inspired facebook application in php/mysql and had a couple of questions: 1) where would be the best place to host the database? any services offered within great britain would be excellent! 2) does anyone have any ideas on how i could use player statistics as part of the in-game match engine? how would php accomodate this? i would like to make the matches as realistic as possible? 3) lastly i wanted to know whether php/mysql would be the best language to code this game in. i am quite confident within this language and can pick up new skills relatively quickly. but i am worried once again (in reference to number 2) about how i would simulate matches using the data from php. i'd appreciate any pointers. thanks for the help guys!

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• Do PHP Framworks Speed Up the Development Process?

  - by Jacob

  I recently started working for a web firm as a freelancer taking my hobby of coding in PHP to a career level, and since then I have been overwhelmed by the amount of work that needs to be done within short time frames. The problem isn't being able to do what is asked, but being able to do it all as quickly as is needed of me. I never used any PHP frameworks, but if I started using one, would that speed up the entire development process? If so, how drastically? Also which framework would be best for my purpose? If it matters, what I do is mostly build back end cms's and tie that with front end functionality for small business client sites.

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• Problems trying to use Visual Studio 2010 and AJAX extensions

  - by Adrian

  Why can I not add ScriptManager control or UpdatePanel to a page in Visual Studio 2010? The drag( or double click) just fails - it seems like there is an incompatibility somewhere? UPDATE: This is 'default' install of 2010 Ultimate on Windows7, create a web application, cannot drag ScriptManager or UpdatePanel to the designer. Typing the declarations works. The cursor changes to the [+] icon when you drag it to the right place but nothing appears to happens on 'drop', briefly the documents name has * appended, this quickly changes back to normal, either is saves or does an undo. I'm assuming something is going wrong so it undos...but what is going wrong?

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• How can I convert Perl one-liners into complete scripts?

  - by Stefan Lasiewski

  I find a lot of Perl one-liners online. Sometimes I want to convert these one-liners into a script, because otherwise I'll forget the syntax of the one-liner. For example, I'm using the following command (from nagios.com): tail -f /var/log/nagios/nagios.log | perl -pe 's/(\d+)/localtime($1)/e' I'd to replace it with something like this: tail -f /var/log/nagios/nagios.log | ~/bin/nagiostime.pl However, I can't figure out the best way to quickly throw this stuff into a script. Does anyone have a quick way to throw these one-liners into a Bash or Perl script?

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• Career advice: I am best at what I hate most

  - by flybywire

  I think my career has entered a vicious circle which I would like to exit: I am best at what I hate most. And because I am good at that, I always receive that kind of assignments, and I do them as expected or even better. Which makes me more of an expert and brings me more similar tasks. My "expertise" is what (I think) every programmer hates: legacy systems. I can very quickly learn systems, and modify them, migrate them, extract web services from them whatever (without breaking them). Never to develop more functionality or to solve interesting or original problems. Just have that work with Java 1.4, or convert it into a rest-full service or support oracle too. I feel (and I am told) that I am highly regarded and very helpful to my company. But I hate what I do. What would you do in my place?

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• From a language design perspective, if Javascript objects are simply associative arrays, then why ha

  - by Christopher Altman

  I was reading about objects in O'Reilly Javascript Pocket Reference and the book made the following statement. An object is a compound data type that contains any number of properties. Javascript objects are associative arrays: they associate arbitrary data values with arbitrary names. From a language design perspective, if objects are simply associative arrays, then why have objects? I appreciate the convenience of having objects in the language, but if convenience is the main purpose for adding a data type, then how do you decide what to add and what to not add in a language? A language can quickly become bloated and less valuable if it is weighed down by several overlapping methods and data types (Is this a true statement or am I missing something).

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• fast, clean, C, timsort implementation?

  - by Drew Wagner

  Does anyone know of a clean implementation of timsort? The Python sources contain a description and code for the original timsort, but it is understandably full of python-specific calls. I have a smoothly varying 2D array of double floats that I would like to sort as quickly as possible. It ought to contain a lot of monotonically increasing and decreasing runs. I'd like to try timsorting the rows individually, and then merging the sorted rows. If you know of a better sort technique, I'm open to suggestions. Thanks!

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• WatiN File Upload

  - by James Jeffery

  I've hit a snag. I am trying to use WatiN to upload a file. I can load the upload box, but it quickly disappears. The last line of my code at the moment is: ie.FileUpload(Find.ById("profile_file")).Click(); It loads the dialog to select a picture but disappears. Is it possible to set the path of the box automatically example, load "C:/Desktop/image.jpg"? Also, is it possible to wait for the upload to complete before continuing? Help is much appreciated. Thanks.

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• Blog - BlogPost - BlogPostComment vs Blog - Post - Comment

  - by Anton Gogolev

  Don't really know how to formulate the title, but it should be pretty obvious from the example. More specifically, what rules do you use for naming "dependent" classes. For example, Blog is a pretty descriptive name itself, but how do I deal with posts? BlogPost or Post? Clearly, first name clearly expresses that it's a "subordinate" class, but this can quickly get out of hand with BlogPostComment, BlogPostCommentAttachment, etc. Post, on the other hand, looks like an entity completely unrelated to Blog and is easier on the eye. What are your rules/best practices?

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• Grep Crystal Reports (with Sub-reports)

  - by Anne

  I need a way to quickly search a large number of Crystal reports (with sub-reports) for the names of several stored procedures. (Trying to find dependencies.) I'm running Windows XP and downloaded this grep program - http://www.wingrep.com/download.htm. So far, I'm not convinced that it's working. Does anyone know of a reliable way, other than opening each report and sub-report, to search Crystal reports for the existence of a file name? Thanks in advance for any tips.

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• Is recursion ever faster than looping?

  - by Carson Myers

  I know that recursion is sometimes a lot cleaner than looping, and I'm not asking anything about when I should use recursion over iteration, I know there are lots of questions about that already. What I'm asking is, is recursion ever faster than a loop? To me it seems like, you would always be able to refine a loop and get it to perform more quickly than a recursive function because the loop is absent constantly setting up new stack frames. I'm specifically looking for whether recursion is faster in applications where recursion is the right way to handle the data, such as in some sorting functions, in binary trees, etc.

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• Installing MonoDevelop on Suse Enterprise 10.0

  - by Robert Harvey

  I tried to install MonoDevelop on Suse 11.0 Enterprise, using the 1-click install on the MonoDevelop download page, but quickly wound up in a tangle of missing dependencies. I then tried using the Suse software repositories to get MonoDevelop, and waded through several of the dependencies for awhile trying to get the necessary packages to fulfill the dependencies, but some of the packages in the Suse repositories actually appear to be missing the needed RPM files. Are these repositories no longer being actively maintained? I am aware that there is a CD on the Mono site (called the Mono LiveCD) that appears to contain a complete installation of the development environment, as well as a DVD for OpenSuse 11.2 (on the OpenSuse site) that might actually have all of the Mono software already installed. But the target environment for the utility I am writing is Suse 11.0 Enterprise Server. Does that matter? What is the shortest distance between two points here?

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• Best way to unit-test WCF REST/SOAP service while dynamically generating stubs

  - by James Black

  I have a webservice written with WCF 4.0 that exposes REST and SOAP functions, and I want to set up my unit tests so that as I work on my web services I can quickly test by having the test framework start up the service, outside of IIS, and then do the tests. I want it to be dynamically generated as I am not certain what the interface will look like, and it is easier to not worry about having to generate the stubs before I start the tests. But, I couldn't get Groovy to work with my web service, so I am curious if Iron Python or Iron Ruby would work well for this, or is there another .NET language that may work well for this.

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• Problem with WPF perfomance.

  - by Polaris

  I have form which has many tabs. Every tab has many controls textboxes, comboboxes, datagrids and e .t.c. I bind form to one data source in such way this.DataContext=MyClassInstance But with this way my form opening very slow. about one minute. When I comment above code, form opens very quickly. All My controls I bound to the class properties in XAML. Please tell me the way to bind every tab when it's activated, or bind controls in background thread or any other idea which can help me to speed up my form. Thanks in advance.

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• Sparse matrices / arrays in Java

  - by DanM

  I'm working on a project, written in Java, which requires that I build a very large 2-D sparse array. Very sparse, if that makes a difference. Anyway: the most crucial aspect for this application is efficency in terms of time (assume loads of memory, though not nearly so unlimited as to allow me to use a standard 2-D array -- the key range is in the billions in both dimensions). Out of the kajillion cells in the array, there will be several hundred thousand cells which contain an object. I need to be able to modify cell contents VERY quickly. Anyway: Does anyone know a particularly good library for this purpose? It would have to be Berkeley, LGPL or similar license (no GPL, as the product can't be entirely open-sourced). Or if there's just a very simple way to make a homebrew sparse array object, that'd be fine too. I'm considering MTJ, but haven't heard any opinions on its quality. Thanks!! -Dan

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• Lazarus: Can't find unit [unit] used by [program]

  - by Ree

  I'm trying to use an external library (wingraph) in a simple program. I have .o and .ppu files. I added the directory that contains them to the list of both "Other Unit Files" and "Include Files" paths under Project-Compiler Options. When building, I still get the error "Can't find unit wingraph used by [program]". The library is Windows specific and I'm compiling on Windows, too. What should I do to solve the problem? Note that I don't have extensive knowledge about Pascal itself nor its tools. I'm just trying to quickly help someone start using the library.

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• BSD Sockets don't behave in a iPhone 3G environment

  - by Kyle

  I noticed that many times while developing for an iPhone 3G, BSD socket functions will simply fail. I also noticed at the time, the 3G antenna wasn't even ON, nor was there WIFI Access to back up the network call (So it seems ridiculous that it doesn't turn on to support the network request).. This information was verified with an app from Apple in the SDK called Connectivity Test, or something of the sort. Basically if you load Safari or something, then quickly load up the App it would be fine.. Of course that's not ideal. Apparently, to apple, gethostbyname() or something of the sort is by no means a reason to turn on the Antenna. I contacted Apple about this, and they said that the BSD functions do not switch the Antenna on, but calling all of the Objective-C CFNetwork functions do. I want portable code, so is there a way to keep my existing BSD setup? I really dislike coding in Objective-C, so if anyone knows a work around, that would be awesome.

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• Relating NP-Complete problems to real world problems

  - by terru

  I have a decent grasp of NP Complete problems; that's not the issue. What I don't have is a good sense of where they turn up in "real" programming. Some (like knapsack and traveling salesman) are obvious, but others don't seem obviously connected to "real" problems. I've had the experience several times of struggling with a difficult problem only to realize it is a well known NP Complete problem that has been researched extensively. If I had recognized the connection more quickly I could have saved quite a bit of time researching existing solutions to my specific problem. Are there any resources (online or print) that specifically connect NP Complete to real world instances?

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• Embedded BI for ASP.NET

  - by Michael Shimmins

  Can anyone recommend a decent business intelligence & reporting application that can be integrated into an OEM application? Primary requirements are: Administrators can define cubes/dimensions etc (or we - the OEM - can predefine some) Report designers can easily inspect data by visually selecting dimensions, filters etc in an adhoc way that is quickly output with little upfront investment Report designers can design a report based on dimensions/filters and save their definition to be run as required Report viewers can view the reports defined by the report designers All of this plus in .NET that can be branded/integrated into our existing web application's look and feel. Permissions need to work off our user/groups system. I've found a few that look good, but they are all in Java and I don't want to ask our clients to install ASP.NET for the app, and then Java, tomcat etc just for reporting. Thanks

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• Using terminal vs KDE in linux?

  - by Ke

  Hi Im used to using nautilus within centos but have recently just got a VPS and quickly realising that using a KDE is unacceptable in this environment. Although I do find it so much quicker doing things like folder permissions in KDE rather than typing it all out in the terminal? Everyone I speak to says, use the terminal and I should learn this way as opposed to using the KDE, but theres certain things I just dont get How is it possible to make quick changes to scripts and viewing them in a browser etc , without a mouse or using KDE? and only using a terminal?? I am wondering how to develop websites just using the terminal??? How can it be quicker to type out/view permissions etc in the terminal when its instant and just a few clicks in the KDE? Any thoughts are much appreciated. I would love to understand the benefits but just cant seem to see them right now. Cheers Ke.

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• fire and forget compared to http request

  - by cometta

  Hi, i looking for opinion from you all. I have a web application that need to records data into another web application database. I not prefer to use http request GET on 2nd application because of latency issue. I looking for fast way to save records on 2nd application quickly, i came across the idea of "fire and forget" , will JMX suit for this scenario? from my understanding jmx will gurantee message delivery. Let say i need to call at least 1000 random requests per seconds to 2nd application should i use jmx? http request? or xmpp instead?

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• SQL Server Reporting Services - Fast TimeDataRetrieval - Long TimeProcessing

  - by user197529

  An application that I support has recently begun experiencing extended periods of time required to execute a report in SQL Server Reporting Services. The reports that are being executed are not terribly complex. There are multiple stored procedures (between 5 and 8) which return anywhere from a handful to 8000 records total. Reports are generally from 2 to 100 pages. One can argue (and I have) the benefit of a 100 page report, but the client is footing the bill. At any rate, the problem is that even the reports with 500 records (11 pages) being returned takes 5 minutes to return to the browser. In the execution log the TimeDataRetrieval is 60 seconds, but the TimeProcessing is 235 seconds. It seems bizarre to me that my query runs so quickly, but it takes Reporting Services so long to process the data. Any suggestions are greatly appreciated. Kind Regards, Bernie

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• F# currying efficiency?

  - by Eamon Nerbonne

  I have a function that looks as follows: let isInSet setElems normalize p = normalize p |> (Set.ofList setElems).Contains This function can be used to quickly check whether an element is semantically part of some set; for example, to check if a file path belongs to an html file: let getLowerExtension p = (Path.GetExtension p).ToLowerInvariant() let isHtmlPath = isInSet [".htm"; ".html"; ".xhtml"] getLowerExtension However, when I use a function such as the above, performance is poor since evaluation of the function body as written in "isInSet" seems to be delayed until all parameters are known - in particular, invariant bits such as (Set.ofList setElems).Contains are reevaluated each execution of isHtmlPath. How can best I maintain F#'s succint, readable nature while still getting the more efficient behavior in which the set construction is preevaluated. The above is just an example; I'm looking for a general pattern that avoids bogging me down in implementation details - where possible I'd like to avoid being distracted by details such as the implementation's execution order since that's usually not important to me and kind of undermines a major selling point of functional programming.

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• TortoiseSVN: how to set up projects on a existing directory structure of source code

  - by Steve

  I have an old pet project I want to revive (haven't had enough time for it last year - small kid - you know) - so restored old copy of my dev folder from archive, but since I have rebuilt my machine since when - I can't remember what needs to be done now. I installed the latest version of TortoiseSVN, and the existing directory structure from my old dev machine looks like: ProjectName *SubProject1 **branches ***1.1 ***1.2 **tags **trunk *SubProject2 **branches **1.0.3 **1.0.4 **1.0.5 **tags **trunk I tried "import project" but it ask for a url - don't know what to specify there ... can someone post a url to a good TortSVN tutorial - so I could set up my projects quickly (I guess I need to setup SubProject1 and SubProject2) - then I install AnkhSVN for VS2008 and will spend this Sunday coding like crazy while I still have some time ;-)

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