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• C# : Filtering data of data table using select method

  - by Royson

  I have data table containing one column as FilePath. FilePath D:\New folder\link.txt D:\New folder\SharepointMigration(Work Schedule).xls D:\New folder\my2\link.txt D:\New folder\my2\SharepointMigration(Work Schedule).xls D:\New folder\my2\my3\New Text Document.txt D:\New folder\Try.txt I am filtering my data table by DataRow[] dtRow = dataTable_FilesWithMetaData.Select("FilePath Like '" + sourcePath + "%'"); But it gives me all files and subfolder files. But i want only files not subfolders. How to write such type of filter expression..??

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• A solid nickname regexp

  - by iBram

  I want a regular expression to validate a nickname: 6 to 36 characters, it should contain at least one letter. Other allowed characters: 0-9 and underscores. This is what I have now: if(!preg_match('/^.*(?=\d{0,})(?=[a-zA-Z]{1,})(?=[a-zA-Z0-9_]{6,36}).*$/i', $value)){ echo 'bad'; } else{ echo 'good'; } This seems to work, but when a validate this strings for example: 11111111111a is not valid, but it should aaaaaaa!aaaa is valid, but it shouldn't Any ideas to make this regexp better?

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• NHibernate criteria construction

  - by brianberns

  I am trying to recreate something like the following SQL using NHibernate criteria: select Range, count(*) from ( select case when ent.ID between 'A' and 'N' then 'A-M' else 'Other' end as Range from Subject ) tbl group by tbl.Range I am able to create the inner select as follows: session.CreateCriteria<Subject>() .SetProjection( Projections.Conditional( Expression.Between("Name", "A", "N"), Projections.Constant("A-N"), Projections.Constant("Other"))) .List(); However, I can't figure out how to pipe those results into a grouping by row count. Any suggestions? Thanks. -- Brian

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• Basic regexp help

  - by casben79

  I am new to programming PHP and am trying to validate a field in a form. The field if for a RAL color code and so would look something like : RAL 1001. so the letters RAL and then 4 numbers. Can someone help me set them into a regular expression to validate them. i have tried this with no success: $string_exp = "/^[RAL][0-9 .-]+$/i"; What can I say but sorry for being a complete NOOB at PHP. Cheers Ben

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• Qstring replace is not working fine

  - by sijith

  hi, i want to replace temp.replace (QString("/"), QString("\")); Here i am getting error error C2001: newline in constant error C2275: 'QString' : illegal use of this type as an expression How can i replace "/" with "\"

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• PHP function similar to this JavaScript function

  - by Jude

  I need a similar function in PHP for this JavaScript function text = text.replace(/ffc/g, "Hello"); I think preg_replace will do, but i'm not sure how to write the expression..

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• QT warning level suggestion

  - by metdos

  What is the warning level you use while compiling QT projects? When I compiled with W4, I'm getting a lot of warnings such as: C4127: conditional expression is constant Should I compile at W3, or find other ways to handle warnings at W4, such as: adding a new header file and using pragma's(mentioned here C++ Coding Standards: 101 Rules, Guidelines, and Best Practices). What are your practices? Thansk.

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• Is it possible to use calculated fields in aggregated fields?

  - by Jørn E. Angeltveit

  Is it possible to use a calculated field in an aggregated field in a TClientDataSet? object cdsOrders: TClientDataSet AggregatesActive = True object cdsOrdersPrice : TIntegerField FieldName = 'Price' end object cdsOrdersCount: : TIntegerField FieldName = 'Count' end object cdsOrdersCalcTotal: TIntegerField FieldKind = fkInternalCalc FieldName = 'CalcTotal' Calculated = True end object cdsOrdersAggGrandTotal: TAggregateField FieldName = 'AggGrandTotal' Active = True Expression = 'SUM(CalcTotal)' end end

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• XAML support for local-name() in XPath

  - by emddudley

  I'd like to bind to the element name of a node in my XmlDataProvider. I can't seem to get local-name() to work within my XPath expression. Does XAML support local-name()? <TextBlock Text="{Binding XPath=local-name()}" />

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• Declaring an array of linked list in C#

  - by xarzu

  I got the compile error message "Array size cannot be specified in a variable declaration (try initializing with a 'new' expression)" when I tried to declare an array of linked lists. public LinkedList[2] ExistingXMLList; Also, if I wanted to create a small array of strings, isn't this the way: string [2] inputdata;

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• Copy object values in Visual Studio debug mode

  - by Farinha

  In Visual Studio debug mode it's possible to hover over variables to show their value and then right-click to "Copy", "Copy Expression" or "Copy Value". In case the variable is an object and not just a basic type, there's a + sign to expand and explore the object. It there a way to copy all that into the clipboard?

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• How to display static (shared) object's properties in a PropertyGrid?

  - by Paul Sasik

  I would like to display static (shared) objects at runtime in a PropertyGrid but if I try to set the selected object property of the grid like this: _propertyGrid.SelectedObject = System.Windows.Forms.Application I get a compilation error: 'Application' is a type and cannot be used as an expression. Is there a way to display a static (shared) object or the object's properties in the PropertyGrid?

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• Regex: Find/Replace All Substrings Without a Given String Before?

  - by Rodney Blythe

  I need to find all strings without a given string before it. For Instance: Find: "someValue" **All results with "function(" before them should be ignored The Visual Studio regular expression would find this: value = someValue And Ignore something looking like this: function(someValue) What is the best way to go about this? Thanks for the help!

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• R from C -- Simplest Possible Helloworld...

  - by jsight

  What is the simplest possible C function for starting the R interpreter, passing in a small expression (eg, 2+2), and getting out the result? I'm trying to compile with MingW on Windows.

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• jQuery plugin for Facebook "Like" Button

  - by ming yeow

  On lots of sites now, you can see a Facebook "Like" Button. - When depressed, it changes background color. - When mouse-overed, it allows you to write some additional text I love this interface - lightweight action, but allow for expression of more data if the user wants to. Anyone has written a similar plugin?

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• Predicate<T> through jQuery with ASP.NET MVC

  - by Stacey

  One of my co-workers wrote an ActionResult that accepts a Predicate as its input parameter. We need to call this method through jQuery - but obviously that doesn't work. Is there any way to pass a query through a method in jQuery that it will accept? public ActionResult List(Predicate<TModel> expression) { // ... } $('#item').load('/list', //... ??? )

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• How to do an array of hashmaps?

  - by Joren

  This is what I tried to do, but it gives me a warning: HashMap<String, String>[] responseArray = new HashMap[games.size()]; "Type safety: The expression of type HashMap[] needs unchecked conversion to conform to HashMap[]"

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• How to search for alphanumeric word before or after a keyword in perl?

  - by aliocee

  I have sentences as shown in the below examples: $sen1 = "The quick brown fox jump KEYWORD over123 the3 lazy dog, fox is quick"; $sen2 = "The quick brown fox jump123 KEYWORD over the lazy dog, fox is quick"; i want to use the keyword 'KEYWORD' as my search string to extract the alphanumeric words before and after the search string using Perl regular expression. sample output: over123 jump123 NB: The word 'the3' is left out because i'm only searching for alphanumeric words exactly before or after the 'KEYWORD'. Thanks

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• How do I apply the for-each loop to every character in a String in Java?

  - by oxinabox.ucc.asn.au

  So I want to iterate for each character in a string. So I thought: for (char c : "xyz") but I get a compiler error: StackCharTester.java:20: foreach not applicable to expression type How can I do this?

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• C# + RegEx for letters and spaces

  - by user70192

  Hello, I am trying to create a regular expression in C# that allows only alphanumeric characters and spaces. Currently, I am trying the following: string pattern = @"^\w+$"; Regex regex = new Regex(pattern); if (regex.IsMatch(value) == false) { // Display error } What am I doing wrong? Thank you!

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• some unclear php "symbolics"

  - by serhio

  I am a php beginner and seed on the forum such a php expression: $regex = <<<'END' / ( [\x00-\x7F] # single-byte sequences 0xxxxxxx | [\xC0-\xDF][\x80-\xBF] # double-byte sequences 110xxxxx 10xxxxxx | [\xE0-\xEF][\x80-\xBF]{2} # triple-byte sequences 1110xxxx 10xxxxxx * 2 | [\xF0-\xF7][\x80-\xBF]{3} # quadruple-byte sequence 11110xxx 10xxxxxx * 3 ) | ( [\x80-\xBF] ) # invalid byte in range 10000000 - 10111111 | ( [\xC0-\xFF] ) # invalid byte in range 11000000 - 11111111 /x END; is this code correct? what should mean some strange (4 me) constructions like <<< 'END' / /x and END; thanks

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• RegEx: h1 followed by h2 without p in between

  - by voodoo555

  Hey everyone, I need a regular expression to find out whether or not a h1 tag is followed by a h2 tag, without any paragraph elements in between. I tried to use a negative lookahead but it doesn't work: <h1(.+?)</h1>(\s|(?!<p))*<h2(.+?)</h2>

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• Problem using date when querying the appengine datastore

  - by manu1001

  I'm running this query: SELECT FROM com.Data WHERE entryDate DATE('2010-3-16') I get this error: org.datanucleus.store.appengine.query.DatastoreQuery$UnsupportedDatastoreFeatureException: Problem with query DATE('2010-3-16'): Unsupported method while parsing expression: InvokeExpression{[null].DATE(Literal{2010-3-16})} The same query works when I use it on the admin console. But it does not work for code (java), either locally or when deployed. Any ideas?

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• How decompose NSPredicate into components?

  - by Victor

  Is there any common way to decompose an expression created by [NSPredicate predicateWithFormat] to objects NSComprasionPredicate, NSExpression and other? For below example need to disassemble into components. [NSPredicate predicateWithFormat:@"(0 != SUBQUERY(collection, $x, $x.name == "Name").@Count)"];

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• bash: assign grep regex results to array

  - by Ryan

  Hello everyone, I am trying to assign a regular expression result to an array inside of a bash script but I am unsure whether that's possible, or if I'm doing it entirely wrong. The below is what I want to happen, however I know my syntax is incorrect: indexes[4]=$(echo b5f1e7bfc2439c621353d1ce0629fb8b | grep -o '[a-f0-9]\{8\}') such that: index[1]=b5f1e7bf index[2]=c2439c62 index[3]=1353d1ce index[4]=0629fb8b Any links, or advice, would be wonderful :)

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