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  • Why is code quality not popular?

    - by Peter Kofler
    I like my code being in order, i.e. properly formatted, readable, designed, tested, checked for bugs, etc. In fact I am fanatic about it. (Maybe even more than fanatic...) But in my experience actions helping code quality are hardly implemented. (By code quality I mean the quality of the code you produce day to day. The whole topic of software quality with development processes and such is much broader and not the scope of this question.) Code quality does not seem popular. Some examples from my experience include Probably every Java developer knows JUnit, almost all languages implement xUnit frameworks, but in all companies I know, only very few proper unit tests existed (if at all). I know that it's not always possible to write unit tests due to technical limitations or pressing deadlines, but in the cases I saw, unit testing would have been an option. If a developer wanted to write some tests for his/her new code, he/she could do so. My conclusion is that developers do not want to write tests. Static code analysis is often played around in small projects, but not really used to enforce coding conventions or find possible errors in enterprise projects. Usually even compiler warnings like potential null pointer access are ignored. Conference speakers and magazines would talk a lot about EJB3.1, OSGI, Cloud and other new technologies, but hardly about new testing technologies or tools, new static code analysis approaches (e.g. SAT solving), development processes helping to maintain higher quality, how some nasty beast of legacy code was brought under test, ... (I did not attend many conferences and it propably looks different for conferences on agile topics, as unit testing and CI and such has a higer value there.) So why is code quality so unpopular/considered boring? EDIT: Thank your for your answers. Most of them concern unit testing (and has been discussed in a related question). But there are lots of other things that can be used to keep code quality high (see related question). Even if you are not able to use unit tests, you could use a daily build, add some static code analysis to your IDE or development process, try pair programming or enforce reviews of critical code.

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  • Data Formatters temporarily unavailable

    - by Zac Altman
    Im trying to use Date Formatters (UIDateFormatter), but I keep getting this error: Program received signal: “EXC_BAD_ACCESS”. Data Formatters temporarily unavailable, will re-try after a 'continue'. (Unknown error loading shared library "/Developer/usr/lib/libXcodeDebuggerSupport.dylib")

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  • Android: ViewHolder pattern and different types of rows?

    - by tomash
    ViewHolder pattern improves ListView scrolling framerate, as seen in following example: http://developer.android.com/intl/de/resources/samples/ApiDemos/src/com/example/android/apis/view/List14.html Is it possible to keep this pattern while using different kind of Views for different rows? In other words, is it possible to do something like: public View getView(int position, View view, ViewGroup parent) { // calculate viewID here if (view == null || *view is not null but was created from different XML than viewID* ) { view = mInflater.inflate(viewId, null);

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  • DPM 2010 RC Mailbox Recovery Fails

    - by ITGuy24
    I am testing DPM 2010 with Exchange 2010. I am attempting to restore a single mailbox from a previous backup to a Recovery Database. I created and mounting the Recovery Database on the Exchange 2010 server and set the overwrite property. When I run the restore for the mailbox and point it to the recovery databse I get the following error. The recovery jobs for Exchange Mailbox Database MailboxDatabase01 that started at with the destination of EXCHANGE2010.domain.com, have completed. Most or all jobs failed to recover the requested data. (ID 3111) DPM encountered an error while performaing an operation for E:\DatabaseFiles\MailboxDatabase01.edb on EXCHANGE2010.domain.com (ID 2033 Details: The process cannot access the file because it is being used by another process (0x80070020)) MailboxDatabase01 is one of our MDBs and not the RDB I setup for the recovery. I am confused why it is even trying to access this as I have triple checked that the recovery is pointed to the RDB. Any idea what I am doing wrong?

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  • voice recognition in android

    - by jaymin
    Hi, I am an android application developer. I was curious as to how does voice recognition could be implemented using android. There is inbuilt support for speech recognition in android, but how can it be used to implement voice recognition...Are there any links which would help me in learning on this topic.. Thanks

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  • kAudioSessionProperty_CurrentHardwareSampleRate input/output

    - by iter
    kAudioSessionProperty_CurrentHardwareSampleRate seems to describe the input sampling rate. I wonder if there is a way to determine the available output sampling rate on an iPhone / iPad (iPhone supports 44.1K; iPad, 48K). http://developer.apple.com/iphone/library/documentation/AudioToolbox/Reference/AudioSessionServicesReference/Reference/reference.html#//apple_ref/doc/c_ref/kAudioSessionProperty_CurrentHardwareSampleRate

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  • Disable scrolling in webview?

    - by jakesankey
    Hi there, Until now I have been an iPhone developer only and now I have decided to give Android a whirl. Something I haven't been able to figure out on Android is how to programmatically prevent scrolling in a webview?? Something similar to iPhones prevention of the onTouchMove event would be great! Thanks in advance!

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  • External iPhone Cryptography Libs

    - by AO
    Are there any legal problems using external crypto libs in my iPhone application? I know that Apple has to comply to US cryptography export rules but do I as a developer have any responsibility? How does it work?

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  • Why sometimes Windows cannot kill a process?

    - by Néstor Sánchez A.
    Right now I'm trying to Run/Debung my app on VisualStudio, but it cannot create it because the las instance of the app.vshost.exe is still running. Then, by using the Task Manager i'm trying to kill it, but it just remains there with no signal of activity. Beyond that particular case (maybe a VS bug), i'm very curious about the technical reasons why sometimes Windows cannot kill a process??? Can, an enlighted OS related developer, please try to explain? (And please don't start a Unix/Linux/Mac battle against Windows)

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  • Domain Name from 123-reg, VPS from Linode. How to point to Google Mail for Business?

    - by Ashutosh Jindal
    I have bought a domain from 123-reg.co.uk and have successfully pointed it to the IP Address of my Linode VPS so that going to the domain serves up the pages from the Apache server running on the VPS. The instructions I followed to do this are : Now, I am trying to get the domain's mail handled by Google Apps for Business. I have tried updating the MX records at Linode following this tutorial : http://library.linode.com/email/google-mail And also followed the instructions to update the MX Records in 123-reg's control panel : I am slightly confused now. Where should I be adding the MX records? In my domain registrar's control panel or in Linode's VPS? Both have options to update the MX records.

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  • Shawn Wildermuth violating MVVM in MSDN article?

    - by rasx
    This may be old news but back in March 2009, Shawn Wildermuth, his article, “Model-View-ViewModel In Silverlight 2 Apps,” has a code sample that includes DataServiceEntityBase: // COPIED FROM SILVERLIGHTCONTRIB Project for simplicity /// <summary> /// Base class for DataService Data Contract classes to implement /// base functionality that is needed like INotifyPropertyChanged. /// Add the base class in the partial class to add the implementation. /// </summary> public abstract class DataServiceEntityBase : INotifyPropertyChanged { /// <summary> /// The handler for the registrants of the interface's event /// </summary> PropertyChangedEventHandler _propertyChangedHandler; /// <summary> /// Allow inheritors to fire the event more simply. /// </summary> /// <param name="propertyName"></param> protected void FirePropertyChanged(string propertyName) { if (_propertyChangedHandler != null) { _propertyChangedHandler(this, new PropertyChangedEventArgs(propertyName)); } } #region INotifyPropertyChanged Members /// <summary> /// The interface used to notify changes on the entity. /// </summary> event PropertyChangedEventHandler INotifyPropertyChanged.PropertyChanged { add { _propertyChangedHandler += value; } remove { _propertyChangedHandler -= value; } } #endregion What this class implies is that the developer intends to bind visuals directly to data (yes, a ViewModel is used but it defines an ObservableCollection of data objects). Is this design diverging too far from the guidance of MVVM? Now I can see some of the reasons why Shawn would go this way: what Shawn can do with DataServiceEntityBase is this sort of thing (which is intimate with the Entity Framework): // Partial Method to support the INotifyPropertyChanged interface public partial class Game : DataServiceEntityBase { #region Partial Method INotifyPropertyChanged Implementation // Override the Changed partial methods to implement the // INotifyPropertyChanged interface // This helps with the Model implementation to be a mostly // DataBound implementation partial void OnDeveloperChanged() { base.FirePropertyChanged("Developer"); } partial void OnGenreChanged() { base.FirePropertyChanged("Genre"); } partial void OnListPriceChanged() { base.FirePropertyChanged("ListPrice"); } partial void OnListPriceCurrencyChanged() { base.FirePropertyChanged("ListPriceCurrency"); } partial void OnPlayerInfoChanged() { base.FirePropertyChanged("PlayerInfo"); } partial void OnProductDescriptionChanged() { base.FirePropertyChanged("ProductDescription"); } partial void OnProductIDChanged() { base.FirePropertyChanged("ProductID"); } partial void OnProductImageUrlChanged() { base.FirePropertyChanged("ProductImageUrl"); } partial void OnProductNameChanged() { base.FirePropertyChanged("ProductName"); } partial void OnProductTypeIDChanged() { base.FirePropertyChanged("ProductTypeID"); } partial void OnPublisherChanged() { base.FirePropertyChanged("Publisher"); } partial void OnRatingChanged() { base.FirePropertyChanged("Rating"); } partial void OnRatingUrlChanged() { base.FirePropertyChanged("RatingUrl"); } partial void OnReleaseDateChanged() { base.FirePropertyChanged("ReleaseDate"); } partial void OnSystemNameChanged() { base.FirePropertyChanged("SystemName"); } #endregion } Of course MSDN code can seen as “toy code” for educational purposes but is anyone doing anything like this in the real world of Silverlight development?

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  • Where to download n900 songbird client?

    - by Walter White
    Hi all, I am confused ... is Songbird releasing a client for the n900? This page has been up for a few months. I've been eagerly awaiting a download, but cannot find the link: http://getsongbird.com/gadgets/ Does anyone have any ideas here? The media player with the n900 works well, but it doesn't connect to last.fm. It isn't a deal breaker, but it would be a nice to have. Songbird seems to run better than Rhythmbox and offers a cleaner, more polished look. Thanks, Walter

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  • Missing processor/memory counters in the Windows XP Performance Monitor application (perfmon)

    - by Jader Dias
    Perfmon is a Windows utility that helps the developer to find bottlenecks in his applications, by measuring system counters. I was reading a perfmon tutorial and from this list of essential counters I have found the following ones on my machine: PhysicalDisk\Bytes/sec_Total Network Interface\Bytes Total/Sec\nic name But I haven't found the following counters nowhere: Processor\% Processor Time_Total Process\Working Set_Total Memory\Available MBytes Where do I find them? Note that my Windows is pt-BR (instead of en-US). Where do I find language specific documentation for windows tools like PerfMon?

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  • Visual Studio 2010: browse the web within VS?

    - by pcampbell
    Consider a developer who spends lots of time in Visual Studio. Hours are spent toiling on source code. Sometimes, he needs to search the web. Can you browse the web right within Visual Studio? Consider all modern versions and SKUs of Visual Studio. If so, are there any easy ways to launch that browser window? Are there any gotchas in terms of: CSS support rendering engine problems session/cookie problems

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  • IP addresses for Windows Azure servers seem to be from the US, when the servers are supposed to be located in Europe

    - by paradroid
    I have a couple of test servers on Windows Azure. One is in the North Europe location and the other is in West Europe. I yet to get around to testing which location offers better connection speeds from where I am (London, UK). The Northern Europe Azure datacentre is apparently in Ireland and the West Europe datacentre is in the Netherlands, which is weird in itself I think. But what I am confused about are the IP addresses are both 168.63.xxx.xxx. GeoIP lookup says that they are both located in the US, and traceroute from London to the addresses get to the US before failing to respond pings. What's going on?

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  • Grep a strange acirc character

    - by John Hunt
    I have this character appearing in places in some files I have:  (if you can't see it or it looks like a question mark it's the Acirc character (capital A with a circumflex over it)) I simply want to grep replace this char with a space, however when I do this: grep --color -ri  myproject.php Putty gets very confused, as does grep. As I understand it there's probably a way to use an escaped hex code with grep.. does anyone know how? EDIT: The character is showing up on my web page as a weird <?>. The http headers for the page specify utf-8 as does the meta character set and I still see the strange character. In putty it appears as a space (putty also set to utf-8.) When I copy from vim and paste into grep it simply doesn't find it. Cheers, John

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  • using squid for apache?

    - by ajsie
    so i have set up apache serving my php pages. i read about squid but don't understand why/how i should use it to speed up my web server. from what i've learned squid is located in same network (or another) and caches content requested by the web browsers, and then when another web browser wants a same page, squid returns that page cached locally, so it never sends a request to the apache server (faster response time for the client, and reduced load for the server). so it seems that squid is for the client side (web browser), and has nothing to do with the server side (apache). but then some people tell others how they have speeded up apache using squid. so im confused. could squid be used on the server side too? and how will it work?

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  • SSH - using keys works, but not in a script

    - by Garfonzo
    I'm kind of confused, I have set up public keys between two servers and it works great, sort of. It only works if I ssh manually from a terminal. When I put the ssh command into a python script, it asks me for a password to login. The script is using rsync to sync up a directory from one server to the other. manual ssh command that works, no password prompt, automatic login: ssh -p 1234 [email protected] In the Python script: rsync --ignore-existing --delete --stats --progress -rp -e "ssh -p 1234" [email protected]:/directory/ /other/directory/ What gives? (obviously, ssh details are fake)

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  • Creating an Android View with a particular style programmatically

    - by Casebash
    How can I create a view with a particular style programmatically (not in XML)? I tried using this [View (Context context, AttributeSet attrs, int defStyle)][1], but I don't know what to parse in for the second argument. Passing in null results in the View not being displayed [1]: http://developer.android.com/reference/android/view/View.html#View(android.content.Context, android.util.AttributeSet, int)

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  • Yahoo OAuth implementation has no way to work offline

    - by Khash
    I need to download my Delicious bookmarks to a non-web application without constant user interaction. I'm using Delicious's V2 API (using oAuth) but the problem is it seems their access tokens expire after one hour. I don't have any issues with redirecting the user to Yahoo for a one time authorization, but what is described here (http://developer.yahoo.com/oauth/guide/oauth-refreshaccesstoken.html) means I would have to refresh my access tokens all the time before they expire when the user is away. Is this really the way they've done their oAuth implementation?

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  • which factors determines the speed of a processor? [closed]

    - by Deb
    I think that clock rate of processor determines the speed of core, in my case it is 1.86GHz. But If I am not wrong, it also determines that how much energy it will consume. If you have more frequency then more power it will consume. I choose Power Saver scheme to increase my battery life, however it reduces my core speed to half of the actual speed. I understand this happens because of SpeedStep, but I don't see any slowdown of my computer. So my problem is why we have such high frequency cores as it uses too much power. We can use low frequency cores. Actually I get confused between the two terms Speed of the processor and its frequency. So how much important is the frequency of core in case of any processor.

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  • About HDD enclosure

    - by kmitnick
    hey guys, how r u doin? I have this 3.5" IDE enclosure, and it works great, I mean I love the idea of enclosures ( not the power feeding thing :), btw can't I just insert a chargable battery to feed the power when I am unable to find an electricity block), anyway my question is, when I finish the usage of the enclosure I safely remove it when using Windows or umount when working with Linux, and after that I got confused whether to turn it off or no? when I turn it off, the HDD suddenly stop spinning as if power failure not as when it was an internal and normally shuted down the pc. So is it ok to turn it off the way I've just said??? regards, ~Abed

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