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Articles indexed Tuesday June 8 2010

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  • How to solve the "Growing If Statement" problem?

    - by Achilles
    I've been doing some reading about design patterns and wanted some perspective. Consider the following: Dim objGruntWorker as IGruntWorker if SomeCriteria then objGruntWorker = new GoFor() else if SomeOtherCriteria then objGruntWorker = new Newb() else if SomeCriteriaAndTheKitchenSink then objGruntWorker = new CubeRat() end if objGruntWorker.GetBreakfast() system.threading.thread.sleep(GetMilliSecondsFromHours(4)) objGruntWorker.GetLunch() The above code grows each time a new Criteria arises. I've seen code like this all over the place and in ignorance wrote some of it myself. How should this be solved? Does this kind of anti-pattern have a more "formal" name? Thanks for your help!

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  • Should I learn to code?

    - by saltcod
    Hi All, This is more of a philosophical question than a technical one, but I’d like some opinions on it, and I think that there are many others in my position that would benefit. My issue is that I don’t really have time to learn how to code. I know, I know… no one has time anymore, but please hear me out. Since learning to use Drupal about 2 years ago I’ve been involved with several projects wherein I’ve become the default quasi-developer, front-end designer, site manager, and system administrator. What I’ve found is that I can produce fairly nice, feature rich Drupal sites with the wealth of contrib. modules out there (Views, CCK, image handling, etc….). BUT! I can’t code. I know enough PHP to insert something into a block, or re-word a string, but that’s about it. I still don’t really even know how arrays work. My question Succinctly, my question is: Given the time that I have available for all of this stuff – in addition to a full-time job and regular life – am I better off trying to become more expert at the front-end stuff, or should I just learn PHP already? Pros 1. If a project doesn’t use Drupal, I’ll know enough PHP to be able to participate. 2. Learning PHP would help my Drupal development too 3. Learning PHP would make front-end theming easier 4. Learning PHP should give me that missing background in programming – and should allow me to learn other languages in the future Cons 1. At 28, I know I’m not too old to learn anything. But am I too old to become ‘good’? 2. Am I better off getting better and better at front-end UX work? 3. Am I better off farming out the PHP work? Suggestions from coders welcome! Thanks Terry

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  • encode array to JSON in PHP to get [elm1,elm2,elm3] instead of {elm1:{},elm2:{},elm3:{}}

    - by Itay Moav
    I am trying to json_encode an array, which is what returns from a Zend_DB query. var_dump gives: (Manually adding 0 member does not change the picture). array(3) { [1]=> array(3) { ["comment_id"]=> string(1) "1" ["erasable"]=> string(1) "1" ["comment"]=> string(6) "test 1" } [2]=> array(3) { ["comment_id"]=> string(1) "2" ["erasable"]=> string(1) "1" ["comment"]=> string(6) "test 1" } [3]=> array(3) { ["comment_id"]=> string(1) "3" ["erasable"]=> string(1) "1" ["comment"]=> string(6) "jhghjg" } } The encoded string looks: {"1":{"comment_id":"1","erasable":"1","comment":"test 1"}, "2":{"comment_id":"2","erasable":"1","comment":"test 1"}, "3":{"comment_id":"3","erasable":"1","comment":"jhghjg"}} While I need it as: [{"comment_id":"1","erasable":"1","comment":"test 1"}, {"comment_id":"2","erasable":"1","comment":"test 1"}, {"comment_id":"3","erasable":"1","comment":"jhghjg"}] As the php.ini/json__encode documentation says it should. Any ideas?

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  • Importing Python modules without installing - Sybase ASE

    - by Michael
    I need to use the Sybase Python module but our SA's won't install because it's not in the repo's. I've downloaded it and placed it on the box and would just like to 'import' or 'include' the module without installing it first. - Is this possible? From the looks of it (Sybase ASE) it needs some type of compilation before use. Is it possible for this type of work around?

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  • How to change the background color of a h:inputText control inside a rich:Panel

    - by kiransri
    I need to change the background color of some h:inputText controls inside a rich panel based on a condition. This is to distinguish these controls as readonly. I tried using styleClass and style properties but both did not work. styleClass is ignored and style colors only half of the textbox. 1) styleClass code : In css : .readonlycontrol { background-color: #C0C0C0; } In .xhtml page: <rich:panel styleClass="inputpanel"> <f:facet name="header" > <h:outputText value= "#{cardreqmsg.apptinfo}"/> </f:facet> <h:panelGrid columns="4" cellpadding="2" border="0"> <h:inputText id ="name" styleClass="readonlycontrol" readonly="true"/> ......... 2) style code: <h:inputText id ="name" readonly="true" style="background-color:#C0C0C0"/> Any help would be greatly appreciated

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  • How can i put the thumbnail beside the list item in Android?

    - by Srikanth Naidu
    public class ShootList extends ListActivity implements OnItemClickListener { String[] listItems = {"HeadShot", "BodyShot ", "ExtraShot", "Video Take1", "Video Take2", "Video Take3", }; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.list); setListAdapter(new ArrayAdapter(this,android.R.layout.simple_list_item_1, listItems)); ListView shot = getListView(); shot.setOnItemClickListener(this); } @Override public void onItemClick(AdapterView<?> arg0, View arg1, int Position, long arg3) { // TODO Auto-generated method stub int P = Position; switch ( P ) { case 0: Intent intent = new Intent("android.media.action.IMAGE_CAPTURE"); startActivityForResult(intent, 1); break; case 1: AlertDialog.Builder alertbox1 = new AlertDialog.Builder(this); alertbox1.setMessage("BodyShot").show(); break; case 2: AlertDialog.Builder alertbox2 = new AlertDialog.Builder(this); alertbox2.setMessage("ExtraShot").show(); break; case 3: Intent Take1 = new Intent("android.media.action.VIDEO_CAPTURE"); startActivityForResult(Take1, 0); break; case 4: AlertDialog.Builder alertbox4 = new AlertDialog.Builder(this); alertbox4.setMessage("Take2").show(); break; case 5: AlertDialog.Builder alertbox5 = new AlertDialog.Builder(this); alertbox5.setMessage("Take3").show(); break; default: break; } } public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); int i; // if Activity was canceled, display a Toast message if (resultCode == RESULT_CANCELED) { Toast toast = Toast.makeText(this,"camera cancelled", 10000); toast.show(); return; } // lets check if we are really dealing with a picture if (requestCode == 1 && resultCode == RESULT_OK) { Bundle extras = data.getExtras(); Bitmap b = (Bitmap) extras.get("data"); //setContentView(R.layout.main); ImageView mImg; mImg = (ImageView) findViewById(R.id.img); mImg.setImageBitmap(b); // save image to gallery String timestamp = Long.toString(System.currentTimeMillis()); MediaStore.Images.Media.insertImage(getContentResolver(), b, timestamp, timestamp); } } }

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  • Parsing timestamp with Python2.4

    - by jellybean
    I want to parse a timestamp from a log file that has been written via datetime.datetime.now().strftime('%Y%m%d%H%M%S') and then compute the number of seconds that have passed since this timestamp. I know I could do it with datetime.datetime.strptime to get back a datetime object and then compute a timedelta. Problem is, the strptime function has been introduced with Python 2.5 and I'm using Python2.4.4 (an upgrade is not possible in my context). Any easy way to do this?

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  • Paramaterising SQL in SSIS

    - by Anonymouslemming
    Hi all, I'm trying to paramaterize some queries in SSIS. After some reading, it sounds like my best option is to create one variable that contains my base sql, another that contains my criteria and a final variable that is evaluated as an expression that includes both of these. I want to end up with an SQL query that is effectively UPDATE mytable set something='bar' where something_else='foo' So my first two variables have the scope of my package and are as follows: Name: BaseSQL Data Type: String Value: UPDATE mytable set something = 'bar' where something_else = Name: MyVariable Data Type: String Value: foo My third variable has a scope of the data flow task where I want to use this SQL and is as follows: Name: SQLQuery Data Type: String Value: @[User::BaseSQL] + "'" + @[User::MyVariable] + "'" EvaluateAsExpression: True In the OLE DB Source, I then choose my connection and 'SQL command from variable' and select User::SQLQuery from the dropdown box. The Variable Value window then displays the following: @[User::BaseSQL] + "'" + @[User::MyVariable] + "'" This is as desired, and would provide the output I want from my DB. The variable name dropdown also contains User::BaseSQL and User::MyVariable so I believe that my namespaces are correct. However, when I then click preview, I get the following error when configuring an OLE DB Source (using SQL command from variable): TITLE: Microsoft Visual Studio Error at Set runtime in DB [Set runtime in myDb DB [1]]: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80040E14. An OLE DB record is available. Source: "Microsoft SQL Server Native Client 10.0" Hresult: 0x80040E14 Description: "Statement(s) could not be prepared.". An OLE DB record is available. Source: "Microsoft SQL Server Native Client 10.0" Hresult: 0x80040E14 Description: "Must declare the scalar variable "@".". (Microsoft Visual Studio) Can anyone advise what I'm missing or how I can resolve this please ? Thanks in advance!

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  • C# Func delegate with params type

    - by Sarah Vessels
    How, in C#, do I have a Func parameter representing a method with this signature? XmlNode createSection(XmlDocument doc, params XmlNode[] childNodes) I tried having a parameter of type Func<XmlDocument, params XmlNode[], XmlNode> but, ooh, ReSharper/Visual Studio 2008 go crazy highlighting that in red.

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  • question in sql server 2005 Proc

    - by bassam
    i have this Proc CREATE Proc [dbo].Salse_Ditail -- Add the parameters for the stored procedure here @Report_Form varchar(1) , @DateFrom datetime , @DateTo datetime , @COMPANYID varchar(3), @All varchar(1) , @All1 varchar(1) , @All2 varchar(1) , @All3 varchar(1) , @All4 varchar(1) , @All5 varchar(1) , @Sector varchar(10), @Report_Parameter nvarchar(max) as BEGIN -- SET NOCOUNT ON added to prevent extra result sets from -- interfering with SELECT statements. DECLARE @STRWhere nvarchar(max) IF @All5=0 AND @All4=0 AND @All3=0 AND @All2=0 AND @All1=0 and @All=1 set @STRWhere= N'and Sector_id = @Sector' if @Report_Form =1 or @Report_Form =3 or @Report_Form =4 SELECT RETURNREASONCODEID, SITE,SITE_NAME,Factory_id,Factory_Name,Sector_id,sector_name,Customer_name, Customer_id,ITEMID,ITEMNAME,SALESMANID,SALESMAN_NAME,Net_Qty,Net_Salse,Gross_Sales,Gross_Qty, NETWEIGHT_Gross,NETWEIGHT_salse_Gross,NETWEIGHT_NET,NETWEIGHT_salse_NET,Return_Sales,Free_Good, CollectionAmount FROM hal_bas_new_rep WHERE DATAAREAID =@COMPANYID AND INVOICEDATE >= @DateFrom AND INVOICEDATE <= @DateTo and Report_Activti = @Report_Form if @Report_Form =2 SELECT RETURNREASONCODEID , RETURNREASONDESC, SITE , SITE_NAME , Factory_id , Factory_Name , Sector_id , sector_name , Customer_name , Customer_id , ITEMID , ITEMNAME , SALESMANID , SALESMAN_NAME , Return_Sales FROM dbo.hal_bas_new_rep WHERE DATAAREAID =@COMPANYID AND INVOICEDATE >= @DateFrom AND INVOICEDATE <= @DateTo and Report_Activti = @Report_Form and RETURNREASONCODEID in ( SELECT Val FROM dbo.fn_String_To_Table(@Report_Parameter,',',1) ) /* @STRWhere question how i can but the virble here */ end GO i want to but virble put a variable under where Expression and from this function buc I have many function i want to add if any one have answer pls send me

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  • How do you find the last element of an array while iterating using a foreach loop in php ?

    - by Vaibhav Kamble
    I am writing a sql query creator using some parameters. While doing that ,I came across this problem. In java , Its very easy to detect the last element of an array from inside the for loop by just checking the current array position with the array length. for(int i=0; i< arr.length;i++){ boolean isLastElem = i== (arr.length -1) ? true : false; } php has some different fashion. They have non integer indexes to access arrays. So you must iterate over an array using foreach loop. But it becomes very problematic when you need to take some decision (in my case to append or/and parameter while building query). I am sure there must be some standard way of doing this. How do you solve this problem normally in php ?

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  • tablecell not getting selected

    - by praseed
    hi friends,, I am facing a problem with the group table view in editing mode... I have one grouped table view with a edit button added to the navigation item . When the table is in non editing mode i can select the table cells and the selection is shown... But when table goes in editing mode ,by pressing the edit button, i cant select the table cells .. Can anyone point out a solution for this,,,,

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  • Audio Recording in C++

    - by Cenoc
    Hey, I was wondering, what was a good cross-platform utility for doing audio recording/ playback/ seeking in C++? I was thinking going the route of ALUT (OpenAL), but is there a better way? If not, do you guys know of any good tutorials/sample code for ALUT?

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  • nhibernate subclass in code

    - by Antonio Nakic Alfirevic
    I would like to set up table-per-classhierarchy inheritance in nhibernate thru code. Everything else is set in XML mapping files except the subclasses. If i up the subclasses in xml all is well, but not from code. This is the code i use - my concrete subclass never gets created:( //the call NHibernate.Cfg.Configuration config = new NHibernate.Cfg.Configuration(); SetSubclass(config, typeof(TAction), typeof(tActionSub1), "Procedure"); //the method public static void SetSubclass(Configuration configuration, Type baseClass, Type subClass, string discriminatorValue) { PersistentClass persBaseClass = configuration.ClassMappings.Where(cm => cm.MappedClass == baseClass).Single(); SingleTableSubclass persSubClass = new SingleTableSubclass(persBaseClass); persSubClass.ClassName = subClass.AssemblyQualifiedName; persSubClass.DiscriminatorValue = discriminatorValue; persSubClass.EntityPersisterClass = typeof(SingleTableEntityPersister); persSubClass.ProxyInterfaceName = (subClass).AssemblyQualifiedName; persSubClass.NodeName = subClass.Name; persSubClass.EntityName = subClass.FullName; persBaseClass.AddSubclass(persSubClass); } the Xml mapping looks like this: <?xml version="1.0" encoding="utf-8" ?> <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" namespace="Riz.Pcm.Domain.BusinessObjects" assembly="Riz.Pcm.Domain"> <class name="Riz.Pcm.Domain.BusinessObjects.TAction, Riz.Pcm.Domain" table="dbo.tAction" lazy="true"> <id name="Id" column="ID"> <generator class="guid" /> </id> <discriminator type="String" formula="(select jt.Name from TJobType jt where jt.Id=JobTypeId)" insert="true" force="false"/> <many-to-one name="Session" column="SessionID" class="TSession" /> <property name="Order" column="Order1" /> <property name="ProcessStart" column="ProcessStart" /> <property name="ProcessEnd" column="ProcessEnd" /> <property name="Status" column="Status" /> <many-to-one name="JobType" column="JobTypeID" class="TJobType" /> <many-to-one name="Unit" column="UnitID" class="TUnit" /> <bag name="TActionProperties" lazy="true" cascade="all-delete-orphan" inverse="true" > <key column="ActionID"></key> <one-to-many class="TActionProperty"></one-to-many> </bag> <!--<subclass name="Riz.Pcm.Domain.tActionSub" discriminator-value="ZPower"></subclass>--> </class> </hibernate-mapping> What am I doing wrong? I can't find any examples on google:(

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  • Pre-processing data before showing it in AdvancedDataGrid

    - by MinimeDJ
    Hi guys, I want to extend AdvancedDataGrid to show a Waterfall Chart in one of its columns. To do that I already created custom cell render that shows bars as I need. Now I have a little challenge: I have to pre-process data to show my Waterfall Chart properly. I have to do it before my grid is show. So, I assume that I have to extends AdvancedDataGrid and overwrite some methods. Does anybody know where I have to start? Any examples?

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  • Do you have to recreate workspaces after upgrading a TFS 2008 server to TFS 2010?

    - by Clara Oscura
    I am just reposting this thread from a MSDN forum since it seems to be unavailable. It was very useful when I was having trouble with my folder mappings after migrating to TFS 2010. Question: I opened VS2008 and connected it to the upgraded 2010 TFS server.  Upon clicking any of our Team Projects in source control explorer I get "Team Foundation Error - The workspace MYWORKSPACE;DOMAIN\MYUsername already exists on computer MYPCNAME." Answer: The same local paths on your machine are mapped to 2 different workspaces, one on the preupgrade server and one on the postupgrade server.  It's not safe to have multiple workspaces on different servers mapped to the same local paths b/c you could pend some changes while connected to one server, and the other server would have no idea what you did.  You should either delete your conflicting workspaces from one of the servers (if you don't need them on both), or test the new TFS instance from a new workspace (on different machine). If you want to test an existing production workspace on both servers, then yes, you will have to mess around with the workspace cache. You don’t have to delete the entire cache, you just need to run "tf workspaces /remove:* /server:<serverurl>" to clear the cached workspaces from a server (the command won't delete the workspaces), and possibly "tf workspaces /server:<server>" to refresh the workspace cache for a given server.  You will also have to do back up and restore the workspace before switching servers or your local files could be inconsistent. From the “Microsoft Visual Studio Team Foundation Server 2010 Beta 1” forum (not available anymore?) Technorati Tags: TFS 2010,TFS Workspaces,Team System,Team Foundation Server 2010

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  • Use Extension Methods to find first and last day of the month

    - by Tim Hibbard
    A lot of reports work on data from last month.  It is a nice touch to have these dates pre-populated for your users.  Using extension methods, the code can look cleaner too. Extension Methods: public static class DateHelper { public static DateTime FirstOfTheMonth(this DateTime dt) { return new DateTime(dt.Year, dt.Month, 1); }   public static DateTime LastOfTheMonth(this DateTime dt) { return dt.FirstOfTheMonth().AddMonths(1).AddDays(-1); } } Consuming Code: void Prepopulate() { startDateBox.CurrentlySelectedDate = DateTime.Now.AddMonths(-1).FirstOfTheMonth(); endDateBox.CurrentlySelectedDate = DateTime.Now.AddMonths(-1).LastOfTheMonth(); }

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  • Change dead disk in DPM 2010

    - by Dragouf
    I was backuping data on an 1Gb hard drive with DPM 2010. This disk died but I replace it with another 1Gb hard drive. But I don't find how to recreate data structure on this new drive from previous protection group. Protection group were red. I delete the disk in "administration disks", now protection group are green but they don't save data and I don't see any menu to change the disk destination. how to do ? thanks

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  • Why does my USB stick not show up in Windows Vista?

    - by Kjensen
    Just reinstalled a Lenovo laptop with Vista. Two separate USB sticks, that work fine on another computer, will not show up on this Vista computer. USB ports work fine for other stuff. USB sticks worked before I reinstalled the computer. After looking around, I tried going into Disk management, to see if they appear there - they don't. Is there some sort of service, that might be disabled, not allowing removable drives to mount? Or what else can be wrong?

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  • Which Ubuntu-like Linux OSs work well on a flash drive?

    - by Evan Kroske
    I want a Linux OS that I can load on a flash drive, but I don't want to relearn an entire operating system. I want to know which tiny Linux installations are most like Ubuntu. For example, I'd like to use the apt-get package manager, the Gedit text editor, and the bash shell. I'd like to use something that's already popular, stable, and highly compatible, but it needs to fit comfortably in one gig of my four-gig flash drive (just the essentials; I'll use the remaining three gigs to store installed programs and files). I have no preference for window managers; I just want something small and fast that works like Ubuntu. What is the most popular Ubuntu-like OS that can be easily run on a thumb drive? Edit: I'm not sure I understand how this works. I don't to use a USB drive as a LiveCD; I want to plug in a USB stick and use the computer as if it was my own. In other words, I want to be able to install programs on the drive on one computer and use them on another. Do any of these OSs let me do that? Please forgive my ignorance.

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  • File Locked on Flash Drive

    - by AtomFury
    I'm completely frustrated. I'm an owner of a OCZ 8GB Rally2 which I've used flawlessly for about 4 months now, and all of a sudden this week I begin getting errors telling me that I can't delete a file due to "make sure the disk is not write-protected, full or and the file is not in-use" dialog. Here's what I've tried: Deleting the file using FileASSASSIN (it's worked on everything else but files on this darn flash drive) Formatting the flash drive and then restoring the backed up information (I format to NTFS, FYI) Any suggestions on what to do?

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