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• My IIS server won't serve SSL sites to some browsers

  - by sbleon

  (Update: This is now cross-posted at http://stackoverflow.com/questions/3355000. This is the more appropriate forum, but StackOverflow gets a lot more traffic.) I've got an IIS 6.0 server that won't serve pages over SSL to some browsers. In Webkit-based browsers on OS X 10.6, I can't load pages at all. In MSIE 8 on Windows XP SP3, I can load pages, but it will sometimes hang downloading images or sending POSTs. Working: Firefox 3.6 (OS X + Windows) Chrome (Windows) Partially Working: MSIE 8 (works sometimes, but hangs up, especially on POSTs) Not Working: Chrome 5 (OS X) Safari 5 (OS X) Mobile Safari (iOS 4) On OS X (the easiest platform for me to test on), Chrome and Firefox both negotiate the same TLS Cipher, but Chrome hangs on or after the post-negotiation handshake. Chrome packet capture (via ssldump): 1 1 0.0485 (0.0485) C>S Handshake ClientHello Version 3.1 cipher suites Unknown value 0xc00a Unknown value 0xc009 Unknown value 0xc007 Unknown value 0xc008 Unknown value 0xc013 Unknown value 0xc014 Unknown value 0xc011 Unknown value 0xc012 Unknown value 0xc004 Unknown value 0xc005 Unknown value 0xc002 Unknown value 0xc003 Unknown value 0xc00e Unknown value 0xc00f Unknown value 0xc00c Unknown value 0xc00d Unknown value 0x2f TLS_RSA_WITH_RC4_128_SHA TLS_RSA_WITH_RC4_128_MD5 Unknown value 0x35 TLS_RSA_WITH_3DES_EDE_CBC_SHA Unknown value 0x32 Unknown value 0x33 Unknown value 0x38 Unknown value 0x39 TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA compression methods NULL 1 2 0.3106 (0.2620) S>C Handshake ServerHello Version 3.1 session_id[32]= bb 0e 00 00 7a 7e 07 50 5e 78 48 cf 43 5a f7 4d d2 ed 72 8f ff 1d 9e 74 66 74 03 b3 bb 92 8d eb cipherSuite TLS_RSA_WITH_RC4_128_MD5 compressionMethod NULL Certificate ServerHelloDone 1 3 0.3196 (0.0090) C>S Handshake ClientKeyExchange 1 4 0.3197 (0.0000) C>S ChangeCipherSpec 1 5 0.3197 (0.0000) C>S Handshake [hang, no more data transmitted] Firefox packet capture: 1 1 0.0485 (0.0485) C>S Handshake ClientHello Version 3.1 resume [32]= 14 03 00 00 4e 28 de aa da 7a 25 87 25 32 f3 a7 ae 4c 2d a0 e4 57 cc dd d7 0e d7 82 19 f7 8f b9 cipher suites Unknown value 0xff Unknown value 0xc00a Unknown value 0xc014 Unknown value 0x88 Unknown value 0x87 Unknown value 0x39 Unknown value 0x38 Unknown value 0xc00f Unknown value 0xc005 Unknown value 0x84 Unknown value 0x35 Unknown value 0xc007 Unknown value 0xc009 Unknown value 0xc011 Unknown value 0xc013 Unknown value 0x45 Unknown value 0x44 Unknown value 0x33 Unknown value 0x32 Unknown value 0xc00c Unknown value 0xc00e Unknown value 0xc002 Unknown value 0xc004 Unknown value 0x96 Unknown value 0x41 TLS_RSA_WITH_RC4_128_MD5 TLS_RSA_WITH_RC4_128_SHA Unknown value 0x2f Unknown value 0xc008 Unknown value 0xc012 TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA Unknown value 0xc00d Unknown value 0xc003 Unknown value 0xfeff TLS_RSA_WITH_3DES_EDE_CBC_SHA compression methods NULL 1 2 0.0983 (0.0497) S>C Handshake ServerHello Version 3.1 session_id[32]= 14 03 00 00 4e 28 de aa da 7a 25 87 25 32 f3 a7 ae 4c 2d a0 e4 57 cc dd d7 0e d7 82 19 f7 8f b9 cipherSuite TLS_RSA_WITH_RC4_128_MD5 compressionMethod NULL 1 3 0.0983 (0.0000) S>C ChangeCipherSpec 1 4 0.0983 (0.0000) S>C Handshake 1 5 0.1019 (0.0035) C>S ChangeCipherSpec 1 6 0.1019 (0.0000) C>S Handshake 1 7 0.1019 (0.0000) C>S application_data 1 8 0.2460 (0.1440) S>C application_data 1 9 0.3108 (0.0648) S>C application_data 1 10 0.3650 (0.0542) S>C application_data 1 11 0.4188 (0.0537) S>C application_data 1 12 0.4580 (0.0392) S>C application_data 1 13 0.4831 (0.0251) S>C application_data [etc] Update: Here's a Wireshark capture from the server end. What's going on with those two much-delayed RST packets? Is that just IIS terminating what it perceives as a non-responsive connection? 19 10.129450 67.249.xxx.xxx 10.100.xxx.xx TCP 50653 > https [SYN] Seq=0 Win=65535 Len=0 MSS=1460 WS=3 TSV=699250189 TSER=0 20 10.129517 10.100.xxx.xx 67.249.xxx.xxx TCP https > 50653 [SYN, ACK] Seq=0 Ack=1 Win=16384 Len=0 MSS=1460 WS=0 TSV=0 TSER=0 21 10.168596 67.249.xxx.xxx 10.100.xxx.xx TCP 50653 > https [ACK] Seq=1 Ack=1 Win=524280 Len=0 TSV=699250189 TSER=0 22 10.172950 67.249.xxx.xxx 10.100.xxx.xx TLSv1 Client Hello 23 10.173267 10.100.xxx.xx 67.249.xxx.xxx TCP [TCP segment of a reassembled PDU] 24 10.173297 10.100.xxx.xx 67.249.xxx.xxx TCP [TCP segment of a reassembled PDU] 25 10.385180 67.249.xxx.xxx 10.100.xxx.xx TCP 50653 > https [ACK] Seq=148 Ack=2897 Win=524280 Len=0 TSV=699250191 TSER=163006 26 10.385235 10.100.xxx.xx 67.249.xxx.xxx TLSv1 Server Hello, Certificate, Server Hello Done 27 10.424682 67.249.xxx.xxx 10.100.xxx.xx TCP 50653 > https [ACK] Seq=148 Ack=4215 Win=524280 Len=0 TSV=699250192 TSER=163008 28 10.435245 67.249.xxx.xxx 10.100.xxx.xx TLSv1 Client Key Exchange 29 10.438522 67.249.xxx.xxx 10.100.xxx.xx TLSv1 Change Cipher Spec 30 10.438553 10.100.xxx.xx 67.249.xxx.xxx TCP https > 50653 [ACK] Seq=4215 Ack=421 Win=65115 Len=0 TSV=163008 TSER=699250192 31 10.449036 67.249.xxx.xxx 10.100.xxx.xx TLSv1 Encrypted Handshake Message 32 10.580652 10.100.xxx.xx 67.249.xxx.xxx TCP https > 50653 [ACK] Seq=4215 Ack=458 Win=65078 Len=0 TSV=163010 TSER=699250192 7312 57.315338 10.100.xxx.xx 67.249.xxx.xxx TCP https > 50644 [RST, ACK] Seq=1 Ack=1 Win=0 Len=0 19531 142.316425 10.100.xxx.xx 67.249.xxx.xxx TCP https > 50653 [RST, ACK] Seq=4215 Ack=458 Win=0 Len=0

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• How to return a code value into a variable

  - by Georges Sabbagh

  I have the below case in my report: Receivable: RunningValue(Fields!Receivable.Value,SUM,Nothing) Production: code.SumLookup(LookupSet(Fields!Currency_Type.Value, Fields!Currency_Type1.Value,Fields!Gross_Premium_Amount.Value, "DataSet2")) Rec/Prod: Receivable / Production. Public Function SumLookup(ByVal items As Object()) As Decimal If items Is Nothing Then Return Nothing End If Dim suma As Decimal = New Decimal() Dim ct as Integer = New Integer() suma = 0 ct = 0 For Each item As Object In items suma += Convert.ToDecimal(item) ct += 1 Next If (ct = 0) Then return 0 else return suma End Function The problem is for Rec/Prod, if prod = 0 i receive error. Ive tried to put the below condition: IIF(code.SumLookup(LookupSet(Fields!Currency_Type.Value, Fields!Currency_Type1.Value,Fields!Gross_Premium_Amount.Value, "DataSet2"))=0,0,RunningValue(Fields!Receivable.Value,SUM,Nothing)/(code.SumLookup(LookupSet(Fields!Currency_Type.Value, Fields!Currency_Type1.Value,Fields!Gross_Premium_Amount.Value, "DataSet2")))) but since in the false condition i am recalling code.SumLookup in order to get the value in regetting 0 for production and consiquently i get error for Rec/Prod. how can i call code.sumlookup on time only and save its value into a variable so i dont need to call it everytime i need to check the value. or if there any other solution please advise.

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• Comparing textbox.text value to value in SQL Server

  - by Anicho

  Okay so I am trying to compare a login textbox password and username with a custom validator using linq to get information from the database it always returns false though on the validator could someone please tell me where my code below is going wrong. This will be very much appreciated... thank you in advanced... protected void LoginValidate(object source, ServerValidateEventArgs args) { TiamoDataContext context = new TiamoDataContext(); var UsernameCheck = from User in context.Users where User.Username == TextBoxLoginUsername.Text && User.Password == TextBoxLogInPassword.Text select User.Username; var PasswordCheck = from User in context.Users where User.Username == TextBoxLoginUsername.Text && User.Password == TextBoxLogInPassword.Text select User.Password; String test1 = PasswordCheck.ToString(); String test2 = UsernameCheck.ToString(); if (test1 == TextBoxLogInPassword.Text && test2 == TextBoxLoginUsername.Text) { args.IsValid = true; Session["Username"] = TextBoxLoginUsername; Response.Redirect("UserProfile.aspx"); } else { args.IsValid = false; } } I dont know where I am going wrong I know its most probably some sort of silly mistake and me being inexperienced at this...

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• array data taking XML value is not taking css value in as3

  - by Sagar S. Ranpise

  I have xml structure all data comes here inside CDATA I am using css file in it to format text and classes are mentioned in xml Below is the code which shows data but does not format with CSS. Thanks in advance! var myXML:XML = new XML(); var myURLLoader:URLLoader = new URLLoader(); var myURLRequest:URLRequest = new URLRequest("test.xml"); myURLLoader.load(myURLRequest); //////////////For CSS/////////////// var myCSS:StyleSheet = new StyleSheet(); var myCSSURLLoader:URLLoader = new URLLoader(); var myCSSURLRequest:URLRequest = new URLRequest("test.css"); myCSSURLLoader.load(myCSSURLRequest); myCSSURLLoader.addEventListener(Event.COMPLETE,processXML); var i:int; var textHeight:int = 0; var textPadding:int = 10; var txtName:TextField = new TextField(); var myMov:MovieClip = new MovieClip(); var myMovGroup:MovieClip = new MovieClip(); var myArray:Array = new Array(); function processXML(e:Event):void { myXML = new XML(myURLLoader.data); trace(myXML.person.length()); var total:int = myXML.person.length(); trace("total" + total); for(i=0; i<total; i++) { myArray.push({name: myXML.person[i].name.toString()}); trace(myArray[i].name); } processCSS(); } function processCSS():void { myCSS.parseCSS(myCSSURLLoader.data); for(i=0; i<myXML.person.length(); i++) { myMov.addChild(textConvertion(myArray[i].name)); myMov.y = textHeight; textHeight += myMov.height + textPadding; trace("Text: "+myXML.person[i].name); myMovGroup.addChild(myMov); } this.addChild(myMovGroup); } function textConvertion(textConverted:String) { var tc:TextField = new TextField(); tc.htmlText = textConverted; tc.multiline = true; tc.wordWrap = true; tc.autoSize = TextFieldAutoSize.LEFT; tc.selectable = true; tc.y = textHeight; textHeight += tc.height + textPadding; tc.styleSheet = myCSS; return tc; }

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• In Delphi 7, why can I assign a value to a const?

  - by Blorgbeard

  I copied some Delphi code from one project to another, and found that it doesn't compile in the new project, though it did in the old one. The code looks something like this: procedure TForm1.CalculateGP(..) const Price : money = 0; begin ... Price := 1.0; ... end; So in the new project, Delphi complains that "left side cannot be assigned to" - understandable! But this code compiles in the old project. So my question is, why? Is there a compiler switch to allow consts to be reassigned? How does that even work? I thought consts were replaced by their values at compile time?

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• Need to convert ascii value to hex value

  - by SA

  Hi, I need to convert ascii to hex values. Refer to the Ascii table but I have a few examples listed below: ascii 1 = 31 2 = 32 3 = 33 4 = 34 5 = 35 A = 41 a = 61 etc But I am using int instead of string values. Is it possible to do that. Therefore int test = 12345; Need to get the converted i = 3132333435

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• Need to convert int value to hex value

  - by SA

  Hi, I need to convert char to hex values. Refer to the Ascii table but I have a few examples listed below: int 1 = 31 2 = 32 3 = 33 4 = 34 5 = 35 A = 41 a = 61 etc Therefore int test = 12345; Need to get the converted i = 3132333435

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• How to dereference a hashref constant?

  - by makenai

  Let's say I have a hashref constant like the following: use constant DOGS => { Lassie => 'collie', Benji => 'mutt', Scooby => 'great dane', Goofy => '???' }; How can I dereference it properly to get say.. they keys out of it? warn ref DOGS; # HASH at untitled line 12. warn keys( %{DOGS} ); # Warning: something's wrong (empty list) warn keys( DOGS ); # Type of arg 1 to keys must be hash (not constant item) The following is the only way I can seem to make it work: my $dogs = DOGS; warn keys( %$dogs ); # LassieBenjiGoofyScooby at untitled line 15. What am I doing wrong?

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• How can I dereference a hashref constant?

  - by makenai

  Let's say I have a hashref constant like the following: use constant DOGS => { Lassie => 'collie', Benji => 'mutt', Scooby => 'great dane', Goofy => '???' }; How can I dereference it properly to get say.. they keys out of it? warn ref DOGS; # HASH at untitled line 12. warn keys( %{DOGS} ); # Warning: something's wrong (empty list) warn keys( DOGS ); # Type of arg 1 to keys must be hash (not constant item) The following is the only way I can seem to make it work: my $dogs = DOGS; warn keys( %$dogs ); # LassieBenjiGoofyScooby at untitled line 15. What am I doing wrong?

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• Using DefaultIfEmpty in Linq - problem substituting a null value for a default value

  - by FiveTools

  I have questions that may or may not have a question_group if all the questions do not have a question_group and if I use default if empty like this: question_group defaultQuestion = new question_group {question_group_id = Guid.Empty}; questions.Select(x => x.question_group).DefaultIfEmpty(defaultQuestion).Distinct(); shouldn't I get an IEnumerable<question_group> containing only the default question_group that I defined? I get null.... what am I missing here?

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• C concerts HEX value from emacs into the incorrect value

  - by hatorade

  in a file, i have used m-x ucs-insert to insert a hex character 9e. however, when this is read in by the C program, 9e is becoming 0x9ec2. Where is this c2 coming from and how do i get rid of it??

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• how to get a constant in java with class

  - by vincent

  basically I need to get a constant for a class however I have no instance of the object but only its class. In PHP I would do constant(XYZ); Is there a similar way of retrieving a constant in JAVA? I need it to facilitate a dynamic getMethod call Class parameterType = Class.forName(class_name); object.setProperty(field name, field value, parameterType); the set property method would then get the correct method and set the specified property, however I cant get a method which has int as parameter type without using Interger.TYPE

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• jQuery - How do I convert a pixel value (20px) to a number value (20)

  - by John Himmelman

  I know jQuery has a helper method for parsing unit strings into numbers. What is the jQuery method to do this? var a = "20px"; var b = 20; var c = $.parseMethod(a) + b;

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• C converts HEX value from emacs into the incorrect value

  - by hatorade

  in a file, i have used m-x ucs-insert to insert a hex character 9e (which in emacs shows up as \236). however, when this is read in by the C program, 9e is becoming 0x9ec2. Where is this c2 coming from and how do i get rid of it??

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• What's the value of a Facebook fan?

  - by David Dorf

  In his blog posting titled "Why Each Facebook Fan Is Worth $2,000 to J. Crew," Joe Skorupa lays out a simplistic calculation for assigning a value to social media efforts within Facebook. While I don't believe the metric, at least its a metric that can be applied consistently. Trying to explain the ROI to management to start a program, then benchmarking to show progress isn't straightforward at all. Social media isn't really mature enough to have hard-and-fast rules around valuation (yet). When I'm asked by retailers how to measure social media efforts, I usually fess-up and say I can't show an ROI but the investment is so low you might was well take a risk. Intuitively, it just seems like a good way to interact with consumers, and since your competition is doing it, you better do it as well. Vitrue, a social media management company, has calculated a fan as being worth $3.60 per year based on impressions generated in Facebook's news feed. That means a fan base of 1 million translates into at least $3.6 million in equivalent media over a year. Don't believe that number either? Fine, Vitrue now has a tool that let's you adjust the earned media value of a fan. Jump over to http://evaluator.vitrue.com/ and enter your brand's Facebook URL to get an assessment of the current value and potential value. For fun, I compared Abercrombie & Fitch (1,077,480 fans), Gap (567,772 fans), and Wet Seal (294,479 fans). The image below shows the results assuming the default $5 earned media value for a fan. The calculation is more complicated than just counting fans. It also accounts for postings and comments. Its possible for a brand with fewer fans to have a higher value based on frequency and relevancy of posts. The tool gathers data via the Social Graph API for the past 30 days of activity. I'm not sure this tool assigns the correct value either, but hey, its a great start.

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• SQL SERVER – A Puzzle – Fun with SEQUENCE in SQL Server 2012 – Guess the Next Value

  - by pinaldave

  Yesterday my friend Vinod Kumar wrote excellent blog post on SQL Server 2012: Using SEQUENCE. I personally enjoyed reading the content on this subject. While I was reading the blog post, I thought of very simple new puzzle. Let us see if we can try to solve it and learn a bit more about Sequence. Here is the script, which I executed. USE TempDB GO -- Create sequence CREATE SEQUENCE dbo.SequenceID AS BIGINT START WITH 3 INCREMENT BY 1 MINVALUE 1 MAXVALUE 5 CYCLE NO CACHE; GO -- Following will return 3 SELECT next value FOR dbo.SequenceID; -- Following will return 4 SELECT next value FOR dbo.SequenceID; -- Following will return 5 SELECT next value FOR dbo.SequenceID; -- Following will return which number SELECT next value FOR dbo.SequenceID; -- Clean up DROP SEQUENCE dbo.SequenceID; GO Above script gave me following resultset. 3 is the starting value and 5 is the maximum value. Once Sequence reaches to maximum value what happens? and WHY? Bonus question: If you use UNION between 2 SELECT statement which uses UNION, it also throws an error. What is the reason behind it? Can you attempt to answer this question without running this code in SQL Server 2012. I am very confident that irrespective of SQL Server version you are running you will have great learning. I will follow up of the answer in comments below. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Puzzle, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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• NHibernate IUserType convert nullable DateTime to DB not-null value

  - by barakbbn

  I have legacy DB that store dates that means no-date as 9999-21-31, The column Till_Date is of type DateTime not-null="true". in the application i want to build persisted class that represent no-date as null, So i used nullable DateTime in C# //public DateTime? TillDate {get; set; } I created IUserType that knows to convert the entity null value to DB 9999-12-31 but it seems that NHibernate doesn't call SafeNullGet, SafeNullSet on my IUserType when the entity value is null, and report a null is used for not-null column. I tried to by-pass it by mapping the column as not-null="false" (changed only the mapping file, not the DB) but it still didn't help, only now it tries to insert the null value to the DB and get ADOException. Any knowledge if NHibernate doesn't support IUseType that convert null to not-null values? Thanks //Implementation public class NullableDateTimeToNotNullUserType : IUserType { private static readonly DateTime MaxDate = new DateTime(9999, 12, 31); public new bool Equals(object x, object y) { //This didn't work as well if (ReferenceEquals(x, y)) return true; //if(x == null && y == null) return false; if (x == null || y == null) return false; return x.Equals(y); } public int GetHashCode(object x) { return x == null ? 0 : x.GetHashCode(); } public object NullSafeGet(IDataReader rs, string[] names, object owner) { var value = rs.GetDateTime(rs.GetOrdinal(names[0])); return (value == MaxDate)? null : value; } public void NullSafeSet(IDbCommand cmd, object value, int index) { var dateValue = (DateTime?)value; var dbValue = (dateValue.HasValue) ? dateValue.Value : MaxDate; ((IDataParameter)cmd.Parameters[index]).Value = dbValue; } public object DeepCopy(object value) { return value; } public object Replace(object original, object target, object owner) { return original; } public object Assemble(object cached, object owner) { return cached; } public object Disassemble(object value) { return value; } public SqlType[] SqlTypes { get { return new[] { NHibernateUtil.DateTime.SqlType }; } } public Type ReturnedType { get { return typeof(DateTime?); } } public bool IsMutable { get { return false; } } } } //Final Implementation with fixes. make the column mapping in hbm.xml not-null="false" public class NullableDateTimeToNotNullUserType : IUserType { private static readonly DateTime MaxDate = new DateTime(9999, 12, 31); public new bool Equals(object x, object y) { //This didn't work as well if (ReferenceEquals(x, y)) return true; //if(x == null && y == null) return false; if (x == null || y == null) return false; return x.Equals(y); } public int GetHashCode(object x) { return x == null ? 0 : x.GetHashCode(); } public object NullSafeGet(IDataReader rs, string[] names, object owner) { var value = NHibernateUtil.Date.NullSafeGet(rs, names[0]); return (value == MaxDate)? default(DateTime?) : value; } public void NullSafeSet(IDbCommand cmd, object value, int index) { var dateValue = (DateTime?)value; var dbValue = (dateValue.HasValue) ? dateValue.Value : MaxDate; NHibernateUtil.Date.NullSafeSet(cmd, valueToSet, index); } public object DeepCopy(object value) { return value; } public object Replace(object original, object target, object owner) { return original; } public object Assemble(object cached, object owner) { return cached; } public object Disassemble(object value) { return value; } public SqlType[] SqlTypes { get { return new[] { NHibernateUtil.DateTime.SqlType }; } } public Type ReturnedType { get { return typeof(DateTime?); } } public bool IsMutable { get { return false; } } } }

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• A Generic Boolean Value Converter

  - by codingbloke

  On fairly regular intervals a question on Stackoverflow like this one:  Silverlight Bind to inverse of boolean property value appears.  The same answers also regularly appear.  They all involve an implementation of IValueConverter and basically include the same boilerplate code. The required output type sometimes varies, other examples that have passed by are Boolean to Brush and Boolean to String conversions.  Yet the code remains pretty much the same.  There is therefore a good case to create a generic Boolean to value converter to contain this common code and then just specialise it for use in Xaml. Here is the basic converter:- BoolToValueConverter using System; using System.Windows.Data; namespace SilverlightApplication1 {     public class BoolToValueConverter<T> : IValueConverter     {         public T FalseValue { get; set; }         public T TrueValue { get; set; }         public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)         {             if (value == null)                 return FalseValue;             else                 return (bool)value ? TrueValue : FalseValue;         }         public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)         {             return value.Equals(TrueValue);         }     } } With this generic converter in place it easy to create a set of converters for various types.  For example here are all the converters mentioned so far:- Value Converters using System; using System.Windows; using System.Windows.Media; namespace SilverlightApplication1 {     public class BoolToStringConverter : BoolToValueConverter<String> { }     public class BoolToBrushConverter : BoolToValueConverter<Brush> { }     public class BoolToVisibilityConverter : BoolToValueConverter<Visibility> { }     public class BoolToObjectConverter : BoolToValueConverter<Object> { } } With the specialised converters created they can be specified in a Resources property on a user control like this:- <local:BoolToBrushConverter x:Key="Highlighter" FalseValue="Transparent" TrueValue="Yellow" /> <local:BoolToStringConverter x:Key="CYesNo" FalseValue="No" TrueValue="Yes" /> <local:BoolToVisibilityConverter x:Key="InverseVisibility" TrueValue="Collapsed" FalseValue="Visible" />

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• SQL Server Max SmallInt Value

  - by Derek Dieter

  The maximum value for a smallint in SQL Server is: -32768 through 32767 And the byte size is: 2 bytes other maximum values: BigInt: -9223372036854775808 through 9223372036854775807 (8 bytes) Int: -2147483648 through 2147483647 (4 bytes) TinyInt: 0 through 255 (1 byte) Related Posts:»SQL Server Max TinyInt Value»SQL Server Max Int Value»SQL Server Bigint Max Value»Dynamic Numbers Table»Troubleshooting SQL Server Slowness

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• SQL Server Max TinyInt Value

  - by Derek Dieter

  The maximum value for a tinyint in SQL Server is: 0 through 255 And the byte size is: 1 byte other maximum values: BigInt: -9223372036854775808 through 9223372036854775807 (8 bytes) Int: -2147483648 through 2147483647 (4 bytes) SmallInt: -32768 through 32767 (2 bytes) Related Posts:»SQL Server Max SmallInt Value»SQL Server Max Int Value»SQL Server Bigint Max Value»Create Date Table»Dynamic Numbers Table

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• Optimizing near-duplicate value search

  - by GApple

  I'm trying to find near duplicate values in a set of fields in order to allow an administrator to clean them up. There are two criteria that I am matching on One string is wholly contained within the other, and is at least 1/4 of its length The strings have an edit distance less than 5% of the total length of the two strings The Pseudo-PHP code: foreach($values as $value){ foreach($values as $match){ if( ( $value['length'] < $match['length'] && $value['length'] * 4 > $match['length'] && stripos($match['value'], $value['value']) !== false ) || ( $match['length'] < $value['length'] && $match['length'] * 4 > $value['length'] && stripos($value['value'], $match['value']) !== false ) || ( abs($value['length'] - $match['length']) * 20 < ($value['length'] + $match['length']) && 0 < ($match['changes'] = levenshtein($value['value'], $match['value'])) && $match['changes'] * 20 <= ($value['length'] + $match['length']) ) ){ $matches[] = &$match; } } } I've tried to reduce calls to the comparatively expensive stripos and levenshtein functions where possible, which has reduced the execution time quite a bit. However, as an O(n^2) operation this just doesn't scale to the larger sets of values and it seems that a significant amount of the processing time is spent simply iterating through the arrays. Some properties of a few sets of values being operated on Total | Strings | # of matches per string | | Strings | With Matches | Average | Median | Max | Time (s) | --------+--------------+---------+--------+------+----------+ 844 | 413 | 1.8 | 1 | 58 | 140 | 593 | 156 | 1.2 | 1 | 5 | 62 | 272 | 168 | 3.2 | 2 | 26 | 10 | 157 | 47 | 1.5 | 1 | 4 | 3.2 | 106 | 48 | 1.8 | 1 | 8 | 1.3 | 62 | 47 | 2.9 | 2 | 16 | 0.4 | Are there any other things I can do to reduce the time to check criteria, and more importantly are there any ways for me to reduce the number of criteria checks required (for example, by pre-processing the input values), since there is such low selectivity?

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• JQuery get id or class, not value

  - by Celia Tan

  I'm new at JQuery, what I wanted to ask is how to select an option, then another option will automatic selected that have property of first option. I've given code like this: <select name="kendaraan"> <option value="" selected>pilih kendaraan!</option> <option value="B 2011 DR" class="B2011DR">B 2011 DR</option> <option value="R 3333 OKI" class="R3333OKI">R 3333 OKI</option> <option value="k03">jazz</option> <option value="k04">innova</option> </select> <select name="driver"> <option value="" selected>pilih kendaraan!</option> <option value="s02" car="B2011DR" style="display:none">jojon</option> <option value="s01" car="B2011DR" style="display:none">mamat</option> <option value="s04" car="R3333OKI" style="display:none">tukul</option> <option value="s03" car="R3333OKI" style="display:none">mamat</option> <option value="s07" car="k03" style="display:none">bejo</option> <option value="s05" car="k03" style="display:none">mamat</option> <option value="s06" car="k03" style="display:none">tukul</option> <option value="s08" car="k04" style="display:none">budi</option> <option value="s09" car="">komeng</option> </select> $('select[name=kendaraan]').change(function() { //hide all option $('select[name=driver] option').css('display','none'); //display option only for matched driver var isCar = $('select[name=driver] option[car='+$(this).val()+']'); isCar.css('display','block'); //auto select first matched diriver $('select[name=driver]').val( $(isCar[0]).val() ) }) But the jquery code is for getting the value of "kendaraan", how to match it with the class, not the value?

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• How to make return value optional for a method,if possible ?

  - by Harikrishna

  I have a method private static DataTable ParseTable(HtmlNode table) and sometimes this method has no return value then I want to make return value optional, is it possible ? I have tried with if condition.But there is error. How can I make return value optional for the method if possible ?

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• Where are value types defined in a reference type stored (heap or stack) ?

  - by Hemanshu Bhojak

  Are the value types defined inside a reference type stored on the heap or on the stack? If stored on the heap, then when are value types stored on the stack? If stored on the stack, then what goes inside the heap as everything ends at a value type in the end?

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• Sony Vaio laptop constant "bi" noise when on battery

  - by Dominick1978

  I have sony vaio vgn fs215s laptop. When I use it with battery alone it makes a constant "bi" noise that gets louder on more power consuming tasks. Sometimes on startup the screen goes black before xp logo. Then i hear the windows startup sound but sill black screen. I bypassed the xp logo (via msconfig) and it gets me all the way ok but the noise is still there. There is no problem when the laptop is plugged to a socket. What do you think is the problem and how do i fix it (how much money)? Thanks a lot.

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