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• java.util.regex.* Recursive matching

  - by amit.bhayani

  Hi Guys, I have been using the java.util.regex.* classes for Regular Expression in Java and all good so far. But today I have a different requirement. For example consider the pattern to be "aabb". Now if the input String is aa it will definitely not match, however there is still possibility that if I append bb it becomes aabb and it matches. However if I would have started with cc, no matter what I append it will never match. I have explored the Pattern and Matcher class but didn't find any way of achieving this. The input will come from user and system have to wait till pattern matches or it will never match irrespective of any input further. Any clue? Thanks.

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• Thoughts on using Alpha Five v10 with Codeless AJAX for building an AJAX database app in a short amo

  - by william Hunter

  I need to build an AJAX application against our MS SQL Server database for my company. the app has to have user permissions and reporting and is pretty complex. I am really under the gun in terms of time. The company that I work for needs the app for an important project launch. A colleague/friend of mine in a different company recommended that I look at a product from Alpha Software called Alpha Five v10 with Codeless AJAX. He has told me that he has used it extensively and that it saves him a "serious boat load of time" and he says that he has not run into limitations because you can also write your own JavaScript or you wire in jQuery. Before I commit to Alpha Five v10, I would like to get any other opinions? Thanks. Norman Stern. Chicago

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• How to check if two types can be compared, summed etc.?

  - by Marcus

  Hi, if given two types (Type a, Type b), is there any "nice" way to find out if those two can be compared, summed etc.? I was thinking if the types implement IConvertible, one could convert both to lets say decimal and perform a "Convert.ToDecimal(a) > Convert.ToDecimal(b)" ? I am building an expression evaluator and want to be able to work with any kind of object and thus need to know if a type can be compared to another type (it DOESN'T have to be the same types on both sides. eg. double > int)

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• Invalid Viewstate

  - by murak

  I always got this error guys on my site.Anybody got a solution. Stacktrace at System.Web.UI.Page.DecryptStringWithIV(String s, IVType ivType) at System.Web.UI.Page.DecryptString(String s) at System.Web.Handlers.ScriptResourceHandler.DecryptParameter(NameValueCollection queryString) at System.Web.Handlers.ScriptResourceHandler.ProcessRequestInternal(HttpResponse response, NameValueCollection queryString, VirtualFileReader fileReader) at System.Web.Handlers.ScriptResourceHandler.ProcessRequest(HttpContext context) at System.Web.Handlers.ScriptResourceHandler.System.Web.IHttpHandler.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) Query String d=J_c3w3Q59U-PnoRlWBPOJMVgHe_9Ile9wANEXiRFLzG8mequestManager._initialize('ctl00%24ScriptManager1' I noticed that there are strings that got appended on the last part of ScriptResource.axd which are not part of the querystring(equestManager._initialize('ctl00%24ScriptManager1').I don't know how this string ends up here.I am using MS ajax, webforms and IIS7 on a shared hosting plan.

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• thoughs on using Alpha Five v10 with Codeless AJAX for building an AJAX database app in a short amou

  - by william Hunter

  I need to build an AJAX application against our MS SQL Server database for my company. the app has to have user permissions and reporting and is pretty complex. I am really under the gun in terms of time. The company that I work for needs the app for an important project launch. A colleague/friend of mine in a different company recommended that I look at a product from Alpha Software called Alpha Five v10 with Codeless AJAX. He has told me that he has used it extensively and that it saves him a "serious boat load of time" and he says that he has not run into limitations because you can also write your own JavaScript or you wire in JQERY. Before I commit to Alpha Five v10, I would like to get any other opinions? Thanks. Norman Stern. Chicago

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• Parsing Indentation-based syntaxes in Haskell's Parsec

  - by pavpanchekha

  I'm trying to parse an indentation-based language (think Python, Haskell itself, Boo, YAML) in Haskell using Parsec. I've seen the IndentParser library, and it looks like it's the perfect match, but what I can't figure out is how to make my TokenParser into an indentation parser. Here's the code I have so far: import qualified Text.ParserCombinators.Parsec.Token as T import qualified Text.ParserCombinators.Parsec.IndentParser.Token as IT lexer = T.makeTokenParser mylangDef ident = IT.identifier lexer This throws the error: parser2.hs:29:28: Couldn't match expected type `IT.TokenParser st' against inferred type `T.GenTokenParser s u m' In the first argument of `IT.identifier', namely `lexer' In the expression: IT.identifier lexer In the definition of `ident': ident = IT.identifier lexer What am I doing wrong? How should I create an IT.TokenParser? Or is IndentParser broken and to be avoided?

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• I need free index/fund/stock end of day quotes in CSV

  - by Janne Mikkola

  Hello, I need (free or cheap) source for end of day stock/mutual funds/index values. Major world indexes & European stocks are primary intrest. I keep seeing that yahoo/ google/ MS offer this data, yet I cant find HOWTO doc (or similar) on getting the data. Reuters is an option - ~$300/month puts it out of my range. Sample of what I am looking for: WMX.IDX,20100326,54.49,54.6,54.17,54.41,0 XAH.IDX,20100326,52.39,52.77,52.33,52.54,0 XAL.IDX,20100326,37.34,38.4,37.34,37.59,0 XAO.IDX,20100326,4896.2998,4905.2002,4848.2998,4905.2002,0 I wish to get this data into txt file in an automated manner. My platform is Linux, (I also have pc with windows & emulator in for win in linux so windows is an option) http://www.eoddata.com/ is best site I have found so far. This is quite good yet I desire more info on european finances. Please advice! Sincerely, Janne

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• XPath select an attribute based on value

  - by Apeksha

  Using VB.Net, I have an XmlNode object, xNode. I need to select an attribute of this node if it has a particular value. e.g. xNode.SelectSingleNode(".[@attr1='1']") I would expect this statement to return the attribute "attr1", only if it has a value of "1". However, I get an error - Expression must evaluate to a node-set. When I tried this - xNode.SelectSingleNode("@attr1[@attr1='1']") It always returns Nothing, even if the attribute has a value of 1. I have tried a lot of different things, but no luck yet. Please help. Thanks.

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• Searching a set of data with multiple terms using Linq

  - by Cj Anderson

  I'm in the process of moving from ADO.NET to Linq. The application is a directory search program to look people up. The users are allowed to type the search criteria into a single textbox. They can separate each term with a space, or wrap a phrase in quotes such as "park place" to indicate that it is one term. Behind the scenes the data comes from a XML file that has about 90,000 records in it and is about 65 megs. I load the data into a DataTable and then use the .Select method with a SQL query to perform the searches. The query I pass is built from the search terms the user passed. I split the string from the textbox into an array using a regular expression that will split everything into a separate element that has a space in it. However if there are quotes around a phrase, that becomes it's own element in the array. I then end up with a single dimension array with x number of elements, which I iterate over to build a long query. I then build the search expression below: query = query & _ "((userid LIKE '" & tempstr & "%') OR " & _ "(nickname LIKE '" & tempstr & "%') OR " & _ "(lastname LIKE '" & tempstr & "%') OR " & _ "(firstname LIKE '" & tempstr & "%') OR " & _ "(department LIKE '" & tempstr & "%') OR " & _ "(telephoneNumber LIKE '" & tempstr & "%') OR " & _ "(email LIKE '" & tempstr & "%') OR " & _ "(Office LIKE '" & tempstr & "%'))" Each term will have a set of the above query. If there is more than one term, I put an AND in between, and build another query like above with the next term. I'm not sure how to do this in Linq. So far, I've got the XML file loading correctly. I'm able to search it with specific criteria, but I'm not sure how to best implement the search over multiple terms. 'this works but far too simple to get the job done Dim results = From c In m_DataSet...<Users> _ Where c.<userid>.Value = "XXXX" _ Select c The above code also doesn't use the LIKE operator either. So partial matches don't work. It looks like what I'd want to use is the .Startswith but that appears to be only in Linq2SQL. Any guidance would be appreciated. I'm new to Linq, so I might be missing a simple way to do this. The XML file looks like so: <?xml version="1.0" standalone="yes"?> <theusers> <Users> <userid>person1</userid> <nickname></nickname> <lastname></lastname> <firstname></firstname> <department></department> <telephoneNumber></telephoneNumber> <email></email> </Users> <Users> <userid>person2</userid> <nickname></nickname> <lastname></lastname> <firstname></firstname> <department></department> <telephoneNumber></telephoneNumber> <email></email> </Users>

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• How do I adjust overall width of rdlc report when some columns are hidden?

  - by user115487

  I have a customizable rdlc report where the user can choose which columns to show. All the columns are included in the report designer, and I use parameters to hide/show columns based on the user's choice. The report renders correctly, and only shows the selected columns, HOWEVER, the overall width of the report is the same as if all the columns were visible. This means that the report can have a huge empty area to the right of the selected columns, which looks very silly. So my question: Is there a way to adjust the report width dynamically at runtime to avoid a large silly empty area in the report? I attempted to do this in the designer by assigning a parameter to the width of the report body....but that was not allowed. The width cannot be an expression of any kind in the designer, only an actual value is allowed. Any suggestions?

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• NLB and Host Header Value

  - by Hafeez

  Background: We are using MOSS 2007 in farm configuration, 2 WFE, 1 Indexer and SQL Server. MS NLB is used for load balancing. Host header value mapped to Virtual IP of Cluster in DNS, is used while creating the web applications in MOSS and all are sharing port 80. Problem: When client tries to access the web application that are configured with host header values. Both of WFEs Hangs for 5 minutes, they stop responding to ping and browser shows 'Page not found'. In the Application Log on the WFE, this error is registered "provider: TCP Provider, error: 0 - The semaphore timeout period has expired". Interestingly, the web application with no host header value and hosted on different ports is working correctly. Any clue to solve this problem will be helpful. Thks. Hafeez

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• regex to match postgresql bytea

  - by filiprem

  In PostgreSQL, there is a BLOB datatype called bytea. It's just an array of bytes. bytea literals are output in the following way: '\\037\\213\\010\\010\\005`Us\\000\\0001.fp3\'\\223\\222%' See PostgreSQL docs for full definition of the format. I'm trying to construct a Perl regular expression which will match any such string. It should also match standard ANSI SQL string literals, like 'Joe', 'Joe''s Mom', 'Fish Called ''Wendy''' It should also match backslash-escaped variant: 'Joe\'s Mom', . First aproach (shown below) works only for some bytea representations. s{ ' # Opening apostrophe (?: # Start group [^\\\'] # Anything but a backslash or an apostrophe | # or \\ . # Backslash and anything | # or \'\' # Double apostrophe )* # End of group ' # Closing apostrophe }{LITERAL_REPLACED}xgo; For other (longer ones, with many escaped apostrophes, Perl gives such warning: Complex regular subexpression recursion limit (32766) exceeded at ./sqa.pl line 33, < line 1. So I am looking for a better (but still regex-based) solution, it probably requires some regex alchemy (avoiding backreferences and all).

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• Logging which is the best way

  - by Tony

  Hi People who talk about loggers here never talke about EventLog, I think this is good for windows system. Is it reliable, or I found it dead in some bad morning? Why not logging everything at SQLServer, I am creating E-Commerce website, if SQL server down the website will be down anyway. but I am worry about temporally connection failure, what do u think? Why everyone like files, it can be in great size, too big to handle, or maybe I will create another file when a file is too big, and I can create a file with a date. Some one tried MS Enterprise library? talk to me about it. Thanks

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• Is there a C# open-source search app which scales cheaply?

  - by domspurling

  I need to quickly replace a listings website which has the following characteristics: smallish database (10,000 items, < 1GB) < 10% of the items updated/created/removed daily most common activity is searching the whole dataset, returning 1-1000 items traffic peaks at 1m page impressions per day Scaling strategy for the existing app has been to separate read-only and read/write activity. Multiple slave databases are used for searching and writes are done to a master, which update the slaves using MS SQL replication. Since read activity is more common than write, this has proved to be a cheap way to do database load balancing, without true clustering. I now need to replace the app - are there any C# open-source apps which scale as neatly as this?

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• IntelliJ IDEA non standard caret behaviour

  - by Vaat666

  I have an issue with IntelliJ IDEA when selecting a big amount of text, and I cannot find the parameter to set to change that. Here is an example of the situation: My caret is on line 3 I scroll with the mouse wheel towards line 300 I press ctrl + shift I press the left button of the mouse Such an action would result in the text from line 3 to 300 being selected in all common editors (even in MS-Word I think), but not in IntelliJ. Do you know how to set this right? Thanks!

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• c#-excel interop - create chart on workbook as opposed to in a sheet

  - by david.barkhuizen

  Using c# MS Excel interop library, I would like to programmatically create a new chart on the workbook, as opposed to on an a sheet. The code below allows me to create a chart on an existing _Worksheet (sheet). using using Microsoft.Office.Interop.Excel; _Worksheet sheet; (assume this is a reference to a valid _Worksheet object) ChartObjects charts = (ChartObjects)sheet.ChartObjects(Type.Missing); ChartObject chartObject = (ChartObject)charts.Add(10, 80, 300, 250); Chart chart = chartObject.Chart; chart.ChartType = XlChartType.xlXYScatter; Does anyone know how to rather go about creating a chart on the workbook (i.e. where the chart is the sheet).

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• Custom Validation on jquery validate plugin, need to count element in a multiple select

  - by 0plus1

  I have a multiple select, and I need to force the user to choose maximum two options, nothing more. I'm trying this: jQuery.validator.addMethod("morethantwo", function(value, element) { var foo = []; $(element+' :selected').each(function(i, selected){ foo[i] = $(selected).text(); alert(foo[i]); }); return true; },"Max two options." ); The problem is that I get a: uncaught exception: Syntax error, unrecognized expression: [object HTMLSelectElement] error. While if I do this: $(element).each(function(i, selected){ foo[i] = $(selected).text(); alert(foo[i]); }); It works but I get all the options in the select. Why is that? Is this the correct road to walk? Are there better ways to do this kind of check? Thank you very much!

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• search & replace on 3000 row, 25 column spreadsheet

  - by Deca

  I'm attempting to clean up data in this (old) spreadsheet and need to remove things like single and double quotes, HTML tags and so on. Trouble is, it's a 3000 row file with 25 columns and every spreadsheet app I've tried (NeoOffice, MS Excel, Apple Numbers) chokes on it. Hard. Any ideas on how else I can clean this thing up for import to MySQL? Clearly I could go through each record manually, row by row, but would like to avoid that if at all possible. Likewise, I could write a PHP script to handle it on import, but don't want to put the server into a death spiral either.

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• Combining GPL with MPL and BSD

  - by thr

  I have a software project I want to release under GPLv3, it uses two pieces of code that other parties have developed (one is the DLR by Microsoft, which is under the Microsoft Public License and the other piece of code is under the New BSD License). The BSD licensed code is compiled into the same binary as my code (but none of it is changed) The Ms-PL licensed code is compiled into another assembly next to my code and linked at runtime (and none of it is changed what so ever). Can I release my software under GPLv3 and without any legal problems?

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• SSRS: Report label position dynamic

  - by Nauman

  I have a report which displays customer address in multiple labels. My customers use windowed envelopes for mailing. I need the address labels position to be configurable. Something like, I'll have a database table which stores the Top/Left position of each label per customer. Based on this table, I need to position the address labels on my report. I thought, it is doable by expressions, but Location property doesn't provides ability to set an expression and make the label's top and left dynamic. Anybody, any ideas, on how to achieve this?

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• Change only Revision number in AssemblyInfo.cs with msbuild FileUpdate task

  - by Divya mohan Singh

  I need to change only the revision number of an AssemblyInfo.cs file. The version number is in the format Major.Minor.Build.Revision e.g. 1.4.6.0. Currently I change the version with the FileUpdate task (from the MSBuild Community Tasks Project) and the following regex: <FileUpdate Files="@(AssemblyResult)" Regex='(\[\s*assembly:\s*AssemblyVersion\(\s*"[^\.]+\.[^\.]+)\.([^\.]+)(\.)([^\.]+)("\)\s*\])' ReplacementText='[assembly: AssemblyVersion("$(AssemblyMajorNumber).$(AssemblyMinorNumber).$(AssemblyBuildNumber).$(Revision)")]' /> Now I need to update only the revision number and leave major,minor and build unchanged. So, is there any task to do this? Or can it be done with a regex? What would be the regular expression then?

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• In OpenRasta, how do I configure a URI where I get "the remainder of the path" as a single string?

  - by Daniel Earwicker

  Normally in OpenRasta there is some configuration like this: ResourceSpace.Has.ResourcesOfType<Customers>() .AtUri("/customers/region/{region}") ... // and so on ... where the {region} part of the path is automatically mapped to a string parameter in the handling method. So if the user hits: http://server/customers/region/emea Then the handler method is passed the string "emea". As well as doing this, I'd like to register a handler with something like this: ResourceSpace.Has.ResourcesOfType<Customers>() .AtUri("/someotherthing/*") ... // and so on In this imaginary syntax, the asterisk would mean "take the rest of the path, including slashes, to be a single string parameter to pass to the handling method". And so if the user hits: http://server/someotherthing/how/about/this?that=other Then my handler method receives a string parameter: how/about/this?that=other Is such a thing possible in OpenRasta? In Sinatra (Ruby) I'd use a regular expression to do exactly this.

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• Why won't binding to a child object property with rdlc Report work in vs2010?

  - by andrej351

  A while ago someone asked how to bind to a child object's property in a rdlc report. Question here. The solution was to use an expression like this: =Fields!ChildObject.Value.SomeProperty I have recently tried to upgrade to version 10 of the reporting libraries (Microsoft.ReportViewer.WebForms and Microsoft.ReportViewer.Common) and for some reason this does not work anymore. I have got the report rendering and displaying all data fine except any which uses this technique. Instead of the property value i get the text: "#Error" Why doesn't this work anymore? Anybody know how to to this in the new version?

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• Handling Special char such as ^ÛY, ^ÛR in java

  - by RJ

  Hi, Has anybody encountered special char such as ^ÛY, ^ÛR ? Q1. How do I do an ftp of the files containing these chars? The chars are not seen once I do a ftp on AIX (bi or ascii) and hence I am unable to see my program to replace these, working. Q2. My java program doesn't seem to recognise these or replace these if I search for these explicitly (^ÛY, ^ÛR ) in the file however a replace using regular expression seems to work (I could only see the difference in the length of the string). My program is executed on AIX. Any insights why java cannot recognise these? Q3. Does the Oracle database recognise these chars? An update is failing where my program indicates the string to be of lesser length and without these characters but the db complains "value too large for column" as the string to be updated contains these chars and hence longer. thanks in advance, RJ

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• RegEx, matching if not containing...

  - by Tommy Jakobsen

  I've been trying to figure out how to write this regular expression. It is to be used for ISAPI_Rewrite, a module for IIS 6, for doing URL rewriting. I want the url /hg/<parameter> to be mathed, so it can be rewrited to /hg/hgwebdir.cgi/<parameter>. I've matched it using ^/hg/(.*). My problem is, if the URL /hg/hgwebdir.cgi/<parameter> is used, the regex should NOT match. Using the above regex with this URL, will rewrite to /hg/hgwebdig.cgi/hgwebdig.cgi/<parameter> which is not correct. Can you help me create the matching pattern?

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