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  • D3.js binding an object to data and appending for each key

    - by frshca
    I'm a D3.js newbie and I'm learning how to play around with data. Let's say I have an object with names as keys, and each key has an array of numbers like this: var userdata = { 'John' : [0, 1, 3, 9, 8, 7], 'Harry': [0, 10, 7, 1, 1, 11], 'Steve': [3, 1, 4, 4, 4, 17], 'Adam' : [4, 77, 2, 13, 11, 13] }; For each user, I would like to append an SVG object and then plot the line with the array of values for that user. So here is my assumption of how that would look based on tutorials, but I know it is incorrect. This is to show my limited knowledge and give better understanding of what I'm doing: First I should create the line var line = d3.svg.line().interpolate('basis'); Then I want to bind the data to my body and append an svg element for each key: d3.select('body') .selectAll('svg') .data(userdata) .enter() .append('svg') .append(line) .x(function(d, i) { return i; }) .y(function(d) { return d[i]; }); So am I close??

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  • Function inserted not all records

    - by user1799459
    I wrote the following code by data transfer from Access to Firebird def FirebirdDatetime(dt): return '\'%s.%s.%s\'' % (str(dt.day).rjust(2,'0'), str(dt.month).rjust(2,'0'), str(dt.year).rjust(4,'0')) def SelectFromAccessTable(tablename): return 'select * from [' + tablename+']' def InsertToFirebirdTable(tablename, row): values='' i=0 for elem in row: i+=1 #print type(elem) if type(elem) == int: temp = str(elem) elif (type(elem) == str) or (type(elem)==unicode): temp = '\'%s\'' % (elem,) elif type(elem) == datetime.datetime: temp =FirebirdDatetime(elem) elif type(elem) == decimal.Decimal: temp = str(elem) elif elem==None: temp='null' if (i<len(row)): values+=temp+', ' else: values+=temp return 'insert into '+tablename+' values ('+values+')' def AccessToFirebird(accesstablename, firebirdtablename, accesscursor, firebirdcursor): SelectSql=SelectFromAccessTable(accesstablename) for row in accesscursor.execute(SelectSql): InsertSql=InsertToFirebirdTable(firebirdtablename, row) InsertSql=InsertSql print InsertSql firebirdcursor.execute(InsertSql) In the main module there is an AccessToFirebird function call conAcc = pyodbc.connect('DRIVER={Microsoft Access Driver (*.mdb, *.accdb)};DBQ=D:\ThirdTask\Northwind.accdb') SqlAccess=conAcc.cursor(); conn.begin() cur=conn.cursor() sql.AccessToFirebird('Customers', 'CLIENTS', SqlAccess, cur) conn.commit() conn.begin() cur=conn.cursor() sql.AccessToFirebird('??????????', 'EMPLOYEES', SqlAccess, cur) sql.AccessToFirebird('????', 'ROLES', SqlAccess, cur) sql.AccessToFirebird('???? ???????????', 'EMPLOYEES_ROLES', SqlAccess, cur) sql.AccessToFirebird('????????', 'DELIVERY', SqlAccess, cur) sql.AccessToFirebird('??????????', 'SUPPLIERS', SqlAccess, cur) sql.AccessToFirebird('????????? ?????? ???????', 'TAX_STATUS_OF_ORDERS', SqlAccess, cur) sql.AccessToFirebird('????????? ???????? ? ??????', 'STATE_ORDER_DETAILS', SqlAccess, cur) sql.AccessToFirebird('????????? ???????', 'CONDITION_OF_ORDERS', SqlAccess, cur) sql.AccessToFirebird('??????', 'ORDERS', SqlAccess, cur) sql.AccessToFirebird('?????', 'BILLS', SqlAccess, cur) sql.AccessToFirebird('????????? ?????? ?? ????????????', 'STATUS_PURCHASE_ORDER', SqlAccess, cur) sql.AccessToFirebird('?????? ?? ????????????', 'ORDERS_FOR_ACQUISITION', SqlAccess, cur) sql.AccessToFirebird('???????? ? ?????? ?? ????????????', 'INFORMPURCHASEORDER', SqlAccess, cur) sql.AccessToFirebird('??????', 'PRODUCTS', SqlAccess, cur) conn.commit() conAcc.commit() conn.close() conAcc.close() But as a result, not all records have been inserted into the table Products (Table Goods - Northwind database), for example, does not work request insert into PRODUCTS values ('4', 1, 'NWTB-1', '?????????? ???', null, 13.5000, 18.0000, 10, 40, '10 ??????? ?? 20 ?????????', '10 ??????? ?? 20 ?????????', 10, '???????', '') In ibexpert to this request message issued can't format message 13:587 -- message file C:\Windows\firebird.msg not found. conversion error from string "10 ?????????±???? ???? 20 ???°???µ?‚????????". Worked only requests insert into PRODUCTS values ('1', 82, 'NWTC-82', '???????', null, 2.0000, 4.0000, 20, 100, null, null, null, '????', '') insert into PRODUCTS values ('9', 83, 'NWTCS-83', '???????????? ?????', null, 0.5000, 1.8000, 30, 200, null, null, null, '????? ? ???????', '') insert into PRODUCTS values ('1', 97, 'NWTC-82', '???????', null, 3.0000, 5.0000, 50, 200, null, null, null, '????', '') insert into PRODUCTS values ('6', 98, 'NWTSO-98', '??????? ???', null, 1.0000, 1.8900, 100, 200, null, null, null, '????', '') insert into PRODUCTS values ('6', 99, 'NWTSO-99', '??????? ??????', null, 1.0000, 1.9500, 100, 200, null, null, null, '????', '') other records were not inserted.

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  • Fuzzy Regular Expressions

    - by Thomas Ahle
    In my work I have with great results used approximate string matching algorithms such as Damerau–Levenshtein distance to make my code less vulnerable to spelling mistakes. Now I have a need to match strings against simple regular expressions such TV Schedule for \d\d (Jan|Feb|Mar|...). This means that the string TV Schedule for 10 Jan should return 0 while T Schedule for 10. Jan should return 2. This could be done by generating all strings in the regex (in this case 100x12) and find the best match, but that doesn't seam practical. Do you have any ideas how to do this effectively?

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  • Problem with persisting interface collection at design time in winforms, .net

    - by Jules
    The easiest way to explain this problem is to show you some code: Public Interface IAmAnnoyed End Interface Public Class IAmAnnoyedCollection Inherits ObjectModel.Collection(Of IAmAnnoyed) End Class Public Class Anger Implements IAmAnnoyed End Class Public Class MyButton Inherits Button Private _Annoyance As IAmAnnoyedCollection <DesignerSerializationVisibility(DesignerSerializationVisibility.Content)> _ Public ReadOnly Property Annoyance() As IAmAnnoyedCollection Get Return _Annoyance End Get End Property Private _InternalAnger As Anger <DesignerSerializationVisibility(DesignerSerializationVisibility.Content)> _ Public ReadOnly Property InternalAnger() As Anger Get Return Me._InternalAnger End Get End Property Public Sub New() Me._Annoyance = New IAmAnnoyedCollection Me._InternalAnger = New Anger Me._Annoyance.Add(Me._InternalAnger) End Sub End Class And this is the code that the designer generates: Private Sub InitializeComponent() Dim Anger1 As Anger = New Anger Me.MyButton1 = New MyButton ' 'MyButton1 ' Me.MyButton1.Annoyance.Add(Anger1) // Should be: Me.MyButton1.Annoyance.Add(Me.MyButton1.InternalAnger) ' 'Form1 ' Me.Controls.Add(Me.MyButton1) End Sub I've added a comment to the above to show how the code should have been generated. Now, if I dispense with the interface and just have a collection of Anger, then it persists correctly. Any ideas?

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  • jQuery CSS plugin that returns computed style of element to pseudo clone that element?

    - by Keith Bentrup
    I'm looking for a way using jQuery to return an object of computed styles for the 1st matched element. I could then pass this object to another call of jQuery's css method. For example, with width, I can do the following to make the 2 divs have the same width: $('#div2').width($('#div1').width()); It would be nice if I could make a text input look like an existing span: $('#input1').css($('#span1').css()); where .css() with no argument returns an object that can be passed to .css(obj). (I can't find a jQuery plugin for this, but it seems like it should exist. If it doesn't exist, I'll turn mine below into a plugin and post it with all the properties that I use.) Basically, I want to pseudo clone certain elements but use a different tag. For example, I have an li element that I want to hide and put an input element over it that looks the same. When the user types, it looks like they are editing the element inline. I'm also open to other approaches for this pseudo cloning problem for editing. Any suggestions? Here's what I currently have. The only problem is just getting all the possible styles. This could be a ridiculously long list. jQuery.fn.css2 = jQuery.fn.css; jQuery.fn.css = function() { if (arguments.length) return jQuery.fn.css2.apply(this, arguments); var attr = ['font-family','font-size','font-weight','font-style','color', 'text-transform','text-decoration','letter-spacing','word-spacing', 'line-height','text-align','vertical-align','direction','background-color', 'background-image','background-repeat','background-position', 'background-attachment','opacity','width','height','top','right','bottom', 'left','margin-top','margin-right','margin-bottom','margin-left', 'padding-top','padding-right','padding-bottom','padding-left', 'border-top-width','border-right-width','border-bottom-width', 'border-left-width','border-top-color','border-right-color', 'border-bottom-color','border-left-color','border-top-style', 'border-right-style','border-bottom-style','border-left-style','position', 'display','visibility','z-index','overflow-x','overflow-y','white-space', 'clip','float','clear','cursor','list-style-image','list-style-position', 'list-style-type','marker-offset']; var len = attr.length, obj = {}; for (var i = 0; i < len; i++) obj[attr[i]] = jQuery.fn.css2.call(this, attr[i]); return obj; } Edit: I've now been using the code above for awhile. It works well and behaves exactly like the original css method with one exception: if 0 args are passed, it returns the computed style object. As you can see, it immediately calls the original css method if that's the case that applies. Otherwise, it gets the computed styles of all the listed properties (gathered from Firebug's computed style list). Although it's getting a long list of values, it's quite fast. Hope it's useful to others.

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  • Clearquest Database Timeout

    - by onaclov2000
    I have a tool that is setup to query our Clearquest Database to return information to the user automatically every 9000 milliseconds. I came in today and the connection had timed out over the weekend, I found in the oSession object a "check heartbeat" function, but I'm not sure that is what I want to use to determine if i need to "re-login", I saw a db.timeoutinterval, but I can't seem to find any good reference on how to call it, since the oSession Object doesn't actually call it, and any references in the API guide mention it with regard to actually creating the db using the adminsession object. What "object" do I need to create to access the timeout interval and how? Thank you for the help! Or is it better to use the "check heartbeat function" and will it return a true or false depending on current state of login?

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  • Haskell Parsec Numeration

    - by Martin
    I'm using Text.ParserCombinators.Parsec and Text.XHtml to parse an input like this: - First type A\n -- First type B\n - Second type A\n -- First type B\n --Second type B\n And my output should be: <h11 First type A\n</h1 <h21.1 First type B\n</h2 <h12 Second type A\n</h2 <h22.1 First type B\n</h2 <h22.2 Second type B\n</h2 I have come to this part, but I cannot get any further: title1= do{ ;(count 1 (char '-')) ;s <- many1 anyChar newline ;return (h1 << s) } title2= do{ ;(count 2 (char '--')) ;s <- many1 anyChar newline ;return (h1 << s) } text=do { ;many (choice [try(title1),try(title2)]) } main :: IO () main = do t putStr "Error: " print err Right x - putStrLn $ prettyHtml x This is ok, but it does not include the numbering. Any ideas? Thanks!

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  • Algorithm to calculate a page importance based on its views / comments

    - by stacker
    I need an algorithm that allows me to determine an appropriate <priority> field for my website's sitemap based on the page's views and comments count. For those of you unfamiliar with sitemaps, the priority field is used to signal the importance of a page relative to the others on the same website. It must be a decimal number between 0 and 1. The algorithm will accept two parameters, viewCount and commentCount, and will return the priority value. For example: GetPriority(100000, 100000); // Damn, a lot of views/comments! The returned value will be very close to 1, for example 0.995 GetPriority(3, 2); // Ok not many users are interested in this page, so for example it will return 0.082

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  • WPF MVVM Pattern, ViewModel DataContext question

    - by orangecl4now
    I used this side to create my demo application http://windowsclient.net/learn/video.aspx?v=314683 The site was very useful in getting my started and in their example, they created a file called EmployeeRepository.cs which appears to be the source for the data. In their example, the data was hard-wired in code. So I'm trying to learn how to get the data from a data source (like a DB). In my specific case, I want to get the data from a Microsoft Access DB. (READ ONLY, So I'll only use SELECT commands). using System.Collections.Generic; using Telephone_Directory_2010.Model; namespace Telephone_Directory_2010.DataAccess { public class EmployeeRepository { readonly List<Employee> _employees; public EmployeeRepository() { if (_employees == null) { _employees = new List<Employee>(); } _employees.Add(Employee.CreateEmployee("Student One", "IT201", "Information Technology", "IT4207", "Building1", "Room650")); _employees.Add(Employee.CreateEmployee("Student Two", "IT201", "Information Technology", "IT4207", "Building1", "Room650")); _employees.Add(Employee.CreateEmployee("Student Three", "IT201", "Information Technology", "IT4207", "Building1", "Room650")); } public List<Employee> GetEmployees() { return new List<Employee>(_employees); } } } I found another example where an Access DB is used but it doesn't comply with MVVM. So I was trying to figure out how to add the DB file to the project, how to wire it up and bind it to a listbox (i'm not that far yet). Below is my modified file using System.Collections.Generic; using Telephone_Directory_2010.Model; // integrating new code with working code using Telephone_Directory_2010.telephone2010DataSetTableAdapters; using System.Windows.Data; namespace Telephone_Directory_2010.DataAccess { public class EmployeeRepository { readonly List<Employee> _employees; // start // integrating new code with working code private telephone2010DataSet.telephone2010DataTable employeeTable; private CollectionView dataView; internal CollectionView DataView { get { if (dataView == null) { dataView = (CollectionView) CollectionViewSource.GetDefaultView(this.DataContext); } return dataView; } } public EmployeeRepository() { if (_employees == null) { _employees = new List<Employee>(); } telephone2010TableAdapter employeeTableAdapter = new telephone2010TableAdapter(); employeeTable = employeeTableAdapter.GetData(); this.DataContext = employeeTable; } public List<Employee> GetEmployees() { return new List<Employee>(_employees); } } } I get the following error messages when building Error 1 'Telephone_Directory_2010.DataAccess.EmployeeRepository' does not contain a definition for 'DataContext' and no extension method 'DataContext' accepting a first argument of type 'Telephone_Directory_2010.DataAccess.EmployeeRepository' could be found (are you missing a using directive or an assembly reference?) C:\Projects\VS2010\Telephone Directory 2010\Telephone Directory 2010\DataAccess\EmployeeRepository.cs 23 90 Telephone Directory 2010

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  • Problem with persisting inteface collection at design time in winforms, .net

    - by Jules
    The easiest way to explain this problem is to show you some code: Public Interface IAmAnnoyed End Interface Public Class IAmAnnoyedCollection Inherits ObjectModel.Collection(Of IAmAnnoyed) End Class Public Class Anger Implements IAmAnnoyed End Class Public Class MyButton Inherits Button Private _Annoyance As IAmAnnoyedCollection <DesignerSerializationVisibility(DesignerSerializationVisibility.Content)> _ Public ReadOnly Property Annoyance() As IAmAnnoyedCollection Get Return _Annoyance End Get End Property Private _InternalAnger As Anger <DesignerSerializationVisibility(DesignerSerializationVisibility.Content)> _ Public ReadOnly Property InternalAnger() As Anger Get Return Me._InternalAnger End Get End Property Public Sub New() Me._Annoyance = New IAmAnnoyedCollection Me._InternalAnger = New Anger Me._Annoyance.Add(Me._InternalAnger) End Sub End Class And this is the code that the designer generates: Private Sub InitializeComponent() Dim Anger1 As Anger = New Anger Me.MyButton1 = New MyButton ' 'MyButton1 ' Me.MyButton1.Annoyance.Add(Anger1) // Should be: Me.MyButton1.Annoyance.Add(Me.MyButton1.InternalAnger) ' 'Form1 ' Me.Controls.Add(Me.MyButton1) End Sub I've added a comment to the above to show how the code should have been generated. Now, if I dispense with the interface and just have a collection of Anger, then it persists correctly. Any ideas?

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  • Loading a ConfigurationSection with a required child ConfigurationElement with .Net configuration fr

    - by Vadim Rybak
    I have a console application that is trying to load a CustomConfigurationSection from a web.config file. The custom configuration section has a custom configuration element that is required. This means that when I load the config section, I expect to see an exception if that config element is not present in the config. The problem is that the .NET framework seems to be completely ignoring the isRequired attribute. So when I load the config section, I just creates an instance of the custom configuration element and sets it on the config section. My question is, why is this happening? I want the GetSection() method to fire a ConfigurationErrors exception since a required element is missing from the configuration. Here is how my config section looks. public class MyConfigSection : ConfigurationSection { [ConfigurationProperty("MyConfigElement", IsRequired = true)] public MyConfigElement MyElement { get { return (MyConfigElement) this["MyConfigElement"]; } } } public class MyConfigElement : ConfigurationElement { [ConfigurationProperty("MyAttribute", IsRequired = true)] public string MyAttribute { get { return this["MyAttribute"].ToString(); } } } Here is how I load the config section. class Program { public static Configuration OpenConfigFile(string configPath) { var configFile = new FileInfo(configPath); var vdm = new VirtualDirectoryMapping(configFile.DirectoryName, true, configFile.Name); var wcfm = new WebConfigurationFileMap(); wcfm.VirtualDirectories.Add("/", vdm); return WebConfigurationManager.OpenMappedWebConfiguration(wcfm, "/"); } static void Main(string[] args) { try{ string path = @"C:\Users\vrybak\Desktop\Web.config"; var configManager = OpenConfigFile(path); var configSection = configManager.GetSection("MyConfigSection") as MyConfigSection; MyConfigElement elem = configSection.MyElement; } catch (ConfigurationErrorsException ex){ Console.WriteLine(ex.ToString()); } } Here is what my config file looks like. <?xml version="1.0"?> <configuration> <configSections> <section name="MyConfigSection" type="configurationFrameworkTestHarness.MyConfigSection, configurationFrameworkTestHarness" /> </configSections> <MyConfigSection> </MyConfigSection> The wierd part is that if I open the config file and load the section 2 times in a row, I will get the exception that I expect. var configManager = OpenConfigFile(path); var configSection = configManager.GetSection("MyConfigSection") as MyConfigSection; configManager = OpenConfigFile(path); configSection = configManager.GetSection("MyConfigSection") as MyConfigSection; If I use the code above, then the exception will fire and tell me that MyConfigElement is required. The question is Why is it not throwing this exception the first time??

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  • WCF - Serialization Exception even after giving DataContract and DataMember

    - by Lijo
    Hi Team, I am getting the following exception eventhough I have specified the Datacontract and Datamember. Could you please help me to understand what the issue is? "Type 'MyServiceLibrary.CompanyLogo' cannot be serialized. Consider marking it with the DataContractAttribute attribute, and marking all of its members you want serialized with the DataMemberAttribute attribute." using System.ServiceModel; using System.ServiceModel.Dispatcher; using System.ServiceModel.Channels; using System.ServiceModel.Description; using System.Runtime.Serialization; using MyServiceLibrary; namespace MySelfHostConsoleApp { class Program { static void Main(string[] args) { System.ServiceModel.ServiceHost myHost = new ServiceHost(typeof(NameDecorator)); myHost.Open(); Console.ReadLine(); } } } //The Service is using System.ServiceModel; using System.Runtime.Serialization; namespace MyServiceLibrary { [ServiceContract(Namespace = "http://Lijo.Samples")] public interface IElementaryService { [OperationContract] CompanyLogo GetLogo(); } public class NameDecorator : IElementaryService { public CompanyLogo GetLogo() { Shape cirlce = new Shape(); CompanyLogo logo = new CompanyLogo(cirlce); return logo; } } [DataContract] public class Shape { public string SelfExplain() { return "sample"; } } [DataContract] public class CompanyLogo { private Shape m_shapeOfLogo; [DataMember] public Shape ShapeOfLogo { get { return m_shapeOfLogo; } set { m_shapeOfLogo = value; } } public CompanyLogo(Shape shape) { m_shapeOfLogo = shape; } } } //And the host config is <?xml version="1.0" encoding="utf-8" ?> <configuration> <system.serviceModel> <services> <service name="MyServiceLibrary.NameDecorator" behaviorConfiguration="WeatherServiceBehavior"> <host> <baseAddresses> <add baseAddress="http://localhost:8017/ServiceModelSamples/FreeServiceWorld"/> </baseAddresses> </host> <endpoint address="" binding="basicHttpBinding" contract="MyServiceLibrary.IElementaryService" /> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" /> </service> </services> <behaviors> <serviceBehaviors> <behavior name="WeatherServiceBehavior"> <serviceMetadata httpGetEnabled="true"/> <serviceDebug includeExceptionDetailInFaults="False"/> </behavior> </serviceBehaviors> </behaviors> </system.serviceModel> </configuration> Thanks Lijo

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  • Recursion Issue

    - by vishwanath katharki
    I am not able to populate the Map with the following recursive code. Can anybody help ?` public Map<String,JasperReport> getCompiledSubReports(JasperDesign jasperDesign, Map<String,JasperReport> hm) throws JRException{ if(hasSubReports(jasperDesign) && !allSubreportsProcessed(jasperDesign,hm)){ HashMap hashSet = getJasperDesignsForSubReports(jasperDesign); Set keySet = (Set) hashSet.keySet(); for(String s: keySet){ System.out.println(" Calling getCompiledSubReports " ); JasperDesign jsDesign = (JasperDesign) hashSet.get(s); if(hasSubReports(jsDesign) && !allSubreportsProcessed(jsDesign,hm)){ hm.putAll(getCompiledSubReports(jsDesign,hm)); } else{ JasperReport jasperReport = JasperCompileManager.compileReport(jasperDesign); String nameParameter = getParameterByName(jasperDesign); if(nameParameter == null){ System.out.println(" No Name parameter! Cannot proceed !!!"); } hm.put(nameParameter,jasperReport); return hm; } } } return hm; }

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  • Using regex to fix phone numbers in a CSV with PHP

    - by Hurpe
    My new phone does not recognize a phone number unless it's area code matches the incoming call. Since I live in Idaho where an area code is not needed for in-state calls, many of my contacts were saved without an area code. Since I have thousands of contacts stored in my phone, it would not be practical to manually update them. I decided to write the following PHP script to handle the problem. It seems to work well, except that I'm finding duplicate area codes at the beginning of random contacts. <?php //the script can take a while to complete set_time_limit(200); function validate_area_code($number) { //digits are taken one by one out of $number, and insert in to $numString $numString = ""; for ($i = 0; $i < strlen($number); $i++) { $curr = substr($number,$i,1); //only copy from $number to $numString when the character is numeric if (is_numeric($curr)) { $numString = $numString . $curr; } } //add area code "208" to the beginning of any phone number of length 7 if (strlen($numString) == 7) { return "208" . $numString; //remove country code (none of the contacts are outside the U.S.) } else if (strlen($numString) == 11) { return preg_replace("/^1/","",$numString); } else { return $numString; } } //matches any phone number in the csv $pattern = "/((1? ?\(?[2-9]\d\d\)? *)? ?\d\d\d-?\d\d\d\d)/"; $csv = file_get_contents("contacts2.CSV"); preg_match_all($pattern,$csv,$matches); foreach ($matches[0] as $key1 => $value) { /*create a pattern that matches the specific phone number by adding slashes before possible special characters*/ $pattern = preg_replace("/\(|\)|\-/","\\\\$0",$value); //create the replacement phone number $replacement = validate_area_code($value); //add delimeters $pattern = "/" . $pattern . "/"; $csv = preg_replace($pattern,$replacement,$csv); } echo $csv; ?> Is there a better approach to modifying the csv? Also, is there a way to minimize the number of passes over the csv? In the script above, preg_replace is called thousands of times on a very large String.

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  • Why does ffmpeg stop randomly in the middle of a process?

    - by acidzombie24
    ffmpeg feels like its taking a long time. I then look at my output file and i see it stops between 6 and 8mbs. A fully encoded file is about 14mb. Why does ffmpeg stop? My code locks up on StandardOutput.ReadToEnd();. I had to kill the process (after seeing it not move for more then 10 seconds when i see it update every second previously) then i get the results of stdout and err. stdout is "" stderr is below. The output msg shows the filesize ended. I also see a drop in my CPU usage when it stops. I copyed the argument from visual studios. CD to the same working directory and ran the cmd (bin/ffmpeg) and pasted the argument. It was able to complete. int soundProcess(string infn, string outfn) { string aa, aa2; aa = aa2 = "DEAD"; var app = new Process(); app.StartInfo.UseShellExecute = false; app.StartInfo.RedirectStandardOutput = true; app.StartInfo.RedirectStandardError = true; //*/ app.StartInfo.FileName = @"bin\ffmpeg.exe"; app.StartInfo.Arguments = string.Format(@"-i ""{0}"" -ab 192k -y {2} ""{1}""", infn, outfn, param); app.Start(); try { app.PriorityClass = ProcessPriorityClass.BelowNormal; } catch (Exception ex) { if (!Regex.IsMatch(ex.Message, @"Cannot process request because the process .*has exited")) throw ex; } aa = app.StandardOutput.ReadToEnd(); aa2 = app.StandardError.ReadToEnd(); app.WaitForExit(); if (aa2.IndexOf("could not find codec parameters") != -1) return 1; else if (aa == "DEAD" || aa2 == "DEAD") return -1; else if (aa2.Length != 0) return -2; else return 0; } The output of stderr. stdout is empty. FFmpeg version SVN-r15815, Copyright (c) 2000-2008 Fabrice Bellard, et al. configuration: --enable-memalign-hack --enable-postproc --enable-swscale --enable-gpl --enable-libfaac --enable-libfaad --enable-libgsm --enable-libmp3lame --enable-libvorbis --enable-libtheora --enable-libx264 --enable-libxvid --disable-ffserver --disable-vhook --enable-avisynth --enable-pthreads libavutil 49.12. 0 / 49.12. 0 libavcodec 52. 3. 0 / 52. 3. 0 libavformat 52.23. 1 / 52.23. 1 libavdevice 52. 1. 0 / 52. 1. 0 libswscale 0. 6. 1 / 0. 6. 1 libpostproc 51. 2. 0 / 51. 2. 0 built on Nov 13 2008 10:28:29, gcc: 4.2.4 (TDM-1 for MinGW) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\dev\src\trunk\prjname\prjname\App_Data/temp/m/o/6304266424778814852': Duration: 00:12:53.36, start: 0.000000, bitrate: 154 kb/s Stream #0.0(und): Audio: aac, 44100 Hz, stereo, s16 Output #0, ipod, to 'C:\dev\src\trunk\prjname\prjname\App_Data\temp\m\o\2.m4a': Stream #0.0(und): Audio: libfaac, 44100 Hz, stereo, s16, 192 kb/s Stream mapping: Stream #0.0 -> #0.0 Press [q] to stop encoding size= 87kB time=4.74 bitrate= 150.7kbits/s size= 168kB time=9.06 bitrate= 151.9kbits/s size= 265kB time=14.28 bitrate= 151.8kbits/s size= 377kB time=20.29 bitrate= 152.1kbits/s size= 487kB time=26.22 bitrate= 152.1kbits/s size= 594kB time=32.02 bitrate= 152.1kbits/s size= 699kB time=37.64 bitrate= 152.1kbits/s size= 808kB time=43.54 bitrate= 152.0kbits/s size= 930kB time=50.09 bitrate= 152.2kbits/s size= 1058kB time=57.05 bitrate= 152.0kbits/s size= 1193kB time=64.23 bitrate= 152.1kbits/s size= 1329kB time=71.63 bitrate= 152.0kbits/s size= 1450kB time=78.16 bitrate= 152.0kbits/s size= 1578kB time=85.05 bitrate= 152.0kbits/s size= 1706kB time=92.00 bitrate= 152.0kbits/s size= 1836kB time=98.94 bitrate= 152.0kbits/s size= 1971kB time=106.25 bitrate= 151.9kbits/s size= 2107kB time=113.57 bitrate= 152.0kbits/s size= 2214kB time=119.33 bitrate= 152.0kbits/s size= 2345kB time=126.39 bitrate= 152.0kbits/s size= 2479kB time=133.56 bitrate= 152.0kbits/s size= 2611kB time=140.76 bitrate= 152.0kbits/s size= 2745kB time=147.91 bitrate= 152.1kbits/s size= 2880kB time=155.20 bitrate= 152.0kbits/s size= 3013kB time=162.40 bitrate= 152.0kbits/s size= 3146kB time=169.58 bitrate= 152.0kbits/s size= 3277kB time=176.61 bitrate= 152.0kbits/s size= 3412kB time=183.90 bitrate= 152.0kbits/s size= 3540kB time=190.80 bitrate= 152.0kbits/s size= 3670kB time=197.81 bitrate= 152.0kbits/s size= 3805kB time=205.08 bitrate= 152.0kbits/s size= 3932kB time=211.93 bitrate= 152.0kbits/s size= 4052kB time=218.38 bitrate= 152.0kbits/s size= 4171kB time=224.82 bitrate= 152.0kbits/s size= 4277kB time=230.55 bitrate= 152.0kbits/s size= 4378kB time=235.96 bitrate= 152.0kbits/s size= 4486kB time=241.79 bitrate= 152.0kbits/s size= 4592kB time=247.50 bitrate= 152.0kbits/s size= 4698kB time=253.21 bitrate= 152.0kbits/s size= 4804kB time=258.95 bitrate= 152.0kbits/s size= 4906kB time=264.41 bitrate= 152.0kbits/s size= 5012kB time=270.09 bitrate= 152.0kbits/s size= 5118kB time=275.85 bitrate= 152.0kbits/s size= 5234kB time=282.10 bitrate= 152.0kbits/s size= 5331kB time=287.39 bitrate= 151.9kbits/s size= 5445kB time=293.55 bitrate= 152.0kbits/s size= 5555kB time=299.40 bitrate= 152.0kbits/s size= 5665kB time=305.37 bitrate= 152.0kbits/s size= 5766kB time=310.80 bitrate= 152.0kbits/s size= 5876kB time=316.70 bitrate= 152.0kbits/s size= 5984kB time=322.50 bitrate= 152.0kbits/s size= 6094kB time=328.49 bitrate= 152.0kbits/s size= 6212kB time=334.76 bitrate= 152.0kbits/s size= 6327kB time=340.99 bitrate= 152.0kbits/s

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  • If url exists Objective-c

    - by HiGuy Smith
    Hey, I have a program that needs to tell if an online image exists, but the only way that I've gotten this to work is by loading the image in a NSData pointer and checking if the pointer exists. - (BOOL)exists { NSString *filePath = @"http://couleeapps.hostei.com/BottomBox.png"; NSURL *url = [NSURL URLWithString:filePath]; NSData *imageData = [NSData dataWithContentsOfURL:url]; if (imageData) { return YES; } return NO; } This has worked for me, but my problem is that I have a very slow connection, and it takes forever to download the image. So my question is: is there a way to check if a image (say "http://couleeapps.hostei.com/BottomBox.png") is available without having to download it? Help is much appreciated HiGuy

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  • parallel-python error: RuntimeError("Socket connection is broken")

    - by user288558
    I am using a simple program to send a function: import pp nodes=('mosura02','mosura03','mosura04','mosura05','mosura06', 'mosura09','mosura10','mosura11','mosura12') nodes=('miner:60001',) def pptester(): js=pp.Server(ppservers=nodes) js.set_ncpus(0) tmp=[] for i in range(200): tmp.append(js.submit(ppworktest,(),(),('os',))) return tmp def ppworktest(): import os return os.system("uname -a") the result is: wkerzend@mosura:/home/wkerzend/tmp/ppython_test>ssh miner "source ~/coala_python_setup.sh;ppserver.py -d -p 60001" 2010-04-12 00:50:48,162 - pp - INFO - Creating server instance (pp-1.6.0) 2010-04-12 00:50:52,732 - pp - INFO - pp local server started with 32 workers 2010-04-12 00:50:52,732 - pp - DEBUG - Strarting network server interface=0.0.0.0 port=60001 Exception in thread client_socket: Traceback (most recent call last): File "/usr/lib64/python2.6/threading.py", line 525, in __bootstrap_inner self.run() File "/usr/lib64/python2.6/threading.py", line 477, in run self.__target(*self.__args, **self.__kwargs) File "/home/wkerzend/python_coala/bin/ppserver.py", line 161, in crun ctype = mysocket.receive() File "/home/wkerzend/python_coala/lib/python2.6/site-packages/pptransport.py", line 178, in receive raise RuntimeError("Socket connection is broken") RuntimeError: Socket connection is broken

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  • FireandForget delegate - c#

    - by uno
    I came across this link, link text In the article, where the author has definition of this method static void WriteIt(string first, string second, int num) I changed that in my test app to this static void WriteIt(CustomerObject Customer) { fileIO.CreateFile(XMLUtil.Serialize(Customer)); } Where public static string Serialize(object o) { System.Xml.Serialization.XmlSerializerNamespaces ns = new System.Xml.Serialization.XmlSerializerNamespaces(); ns.Add("", ""); return Serialize(o, ns); } public static string Serialize(object o, XmlSerializerNamespaces ns) { try { using (System.IO.MemoryStream m = new System.IO.MemoryStream()) { //serialize messagelist to xml XmlSerializer serializer = new XmlSerializer(o.GetType(), ""); if (ns != null) serializer.Serialize(m, o, ns); else serializer.Serialize(m, o); m.Position = 0; byte[] b = new byte[m.Length]; m.Read(b, 0, b.Length); return System.Text.UTF8Encoding.UTF8.GetString(b); } } catch (Exception ex) { return "Ex = " + ex.ToString(); } } This method always gives an exception static void EndWrapperInvoke (IAsyncResult ar) { wrapperInstance.EndInvoke(ar); ar.AsyncWaitHandle.Close(); } Stacktrace: Server stack trace: at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks) at System.Delegate.DynamicInvokeImpl(Object[] args) at System.Delegate.DynamicInvoke(Object[] args) at SRC.FileMover.ThreadUtil.InvokeWrappedDelegate(Delegate d, Object[] args) at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs) at System.Runtime.Remoting.Messaging.StackBuilderSink.PrivateProcessMessage(RuntimeMethodHandle md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs) at System.Runtime.Remoting.Messaging.StackBuilderSink.AsyncProcessMessage(IMessage msg, IMessageSink replySink) Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.EndInvokeHelper(Message reqMsg, Boolean bProxyCase) at System.Runtime.Remoting.Proxies.RemotingProxy.Invoke(Object NotUsed, MessageData& msgData) at SRC.FileMover.ThreadUtil.DelegateWrapper.EndInvoke(IAsyncResult result) at SRC.FileMover.ThreadUtil.EndWrapperInvoke(IAsyncResult ar) at System.Runtime.Remoting.Messaging.AsyncResult.SyncProcessMessage(IMessage msg) at System.Runtime.Remoting.Messaging.StackBuilderSink.AsyncProcessMessage(IMessage msg, IMessageSink replySink) at System.Runtime.Remoting.Proxies.AgileAsyncWorkerItem.DoAsyncCall() at System.Runtime.Remoting.Proxies.AgileAsyncWorkerItem.ThreadPoolCallBack(Object o) at System.Threading._ThreadPoolWaitCallback.WaitCallback_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading._ThreadPoolWaitCallback.PerformWaitCallbackInternal(_ThreadPoolWaitCallback tpWaitCallBack) at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback(Object state) UPDATE 1: Trying to run my app and get the full exception. It seems like its happening at different locations. I will repost my ? again shortly. I think it may be wise if I can post my application. Can i upload a .zip file or is it better to just post the .cs code that I am using?

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  • algorithm for python itertools.permutations

    - by zaharpopov
    Can someone please explain algorithm for itertools.permutations routine in Python standard lib 2.6? I see its code in the documentation but don't undestand why it work? Thanks Code is: def permutations(iterable, r=None): # permutations('ABCD', 2) --> AB AC AD BA BC BD CA CB CD DA DB DC # permutations(range(3)) --> 012 021 102 120 201 210 pool = tuple(iterable) n = len(pool) r = n if r is None else r if r > n: return indices = range(n) cycles = range(n, n-r, -1) yield tuple(pool[i] for i in indices[:r]) while n: for i in reversed(range(r)): cycles[i] -= 1 if cycles[i] == 0: indices[i:] = indices[i+1:] + indices[i:i+1] cycles[i] = n - i else: j = cycles[i] indices[i], indices[-j] = indices[-j], indices[i] yield tuple(pool[i] for i in indices[:r]) break else: return

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  • Navigate to the Same Page After Action in JSF 2

    - by shipmaster
    I have a component done in JSF 1.x, this component has a command button as follows <h:commandButton ... action="#{templateController.next}" /> Where templateController was passed as an EL binding and can be any object that implements a certain interface. The generic implementation of next() was just executing code and then returning an empty string causing the same page to refresh: public String next() { ..... return ""; } Now I am trying to port that component to JSF 2, my problem is that an empty string doesn't cause the same page to refresh anymore, instead, the framework tries to redirect to a page called ".jsf" i.e it just appends .jsf to whatever the outcome is. My question is how to return an outcome that causes the current page to refresh. My component is generic and I don't know before hand the name of the page it is going to be used on. Thanks

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  • MVVM: how to set the datacontext of a user control

    - by EVA
    Hi, I'm writing an application in WPF, using the MVVm toolkit and have problems with hooking up the viewmodel and view. The model is created with ado.net entity framework. The viewmodel: public class CustomerViewModel { private Models.Customer customer; //constructor private ObservableCollection<Models.Customer> _customer = new ObservableCollection<Models.Customer>(); public ObservableCollection<Models.Customer> AllCustomers { get { return _customer; } } private Models.Customer _selectedItem; public Models.Customer SelectedItem { get { return _selectedItem; } } public void LoadCustomers() { List<Models.Customer> list = DataAccessLayer.getcustomers(); foreach (Models.Customer customer in list) { this._customer.Add(customer); } } } And the view (no code behind at the moment): <UserControl x:Class="Customers.Customer" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" mc:Ignorable="d" xmlns:vm ="clr-namespace:Customers.ViewModels" d:DesignHeight="300" d:DesignWidth="300" xmlns:toolkit="http://schemas.microsoft.com/wpf/2008/toolkit" > <Grid> <toolkit:DataGrid ItemsSource="{Binding AllCustomers}" SelectedItem="{Binding SelectedItem, Mode=TwoWay}" AutoGenerateColumns="True"> </toolkit:DataGrid> <toolkit:DataGrid ItemsSource="{Binding SelectedItem.Orders}"> </toolkit:DataGrid> </Grid> </UserControl> And dataaccesslayer class: class DataAccessLayer { public List<Customer> customers = new List<Customer>(); public static List<Customer> getcustomers() { entities db = new entities(); var customers = from c in db.Customer.Include("Orders") select c; return customers.ToList(); } } The problem is that no data is displayed simply because the data context is not set. I tried to do it in a code-behind but is did not work. I would prefer to do it in a xaml file anyway. Another problem is with the SelectedItem binding - the code is never used. Thanks for help! Regards, EV.

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  • Javascript: how to document.print option value in Select block?

    - by HH
    The below returns [object HTMLOptionElement] while I try to return the value. document.write(document.getElementById("allSelect").options[0]).value; by value, I mean the thing called value there (there is a form around it but not relevant now): <select name="allSelect" id="allSelect" size=3> <option value="1"selected">1</option> <option value="2">2</option> <option value="3">3</option> </select> How can I return the value of an option?

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  • PriorityQueue update problems

    - by Bharat
    After going through a bunch of questions here on SO, I still have no idea what exactly is going wrong with my code and would appreciate some help. I'm trying to implement a priority queue based on f-costs for an A* algorithm, and while the algorithm works fine for short pathfinding distances, it seems to go wrong when there's an obstacle or when the distance between start and goal points is greater than about 30 squares (although sometimes it screws up for less too). while(!m_qOpenList.isEmpty()) { m_xCurrent=m_qOpenList.poll(); m_xCurrent.setBackground(Color.red); m_qClosedList.add(m_xCurrent); if(m_xCurrent.getStatus()==2) { System.out.println("Target Reached"); solved=true; break; } iX=m_xCurrent.getXCo(); iY=m_xCurrent.getYCo(); for(i=iX-1;i<=iX+1;i++) for(j=iY-1;j<=iY+1;j++) { if(i<0||j<0||i>m_iMazeX||j>m_iMazeX||(i==iX&&j==iY) || m_xNode[i][j].getStatus()==4|| m_qClosedList.contains(m_xNode[i][j])) continue; m_xNode[i][j].score(m_xCurrent,m_xGoal); m_qOpenList.add(m_xNode[i][j]); } } It's quite rudimentary as I'm just trying to get it to work for now. m_qOpenList is the PriorityQueue. The problem is that when I debug the program, at some point (near an obstacle), a Node with a fcost of say 84 has higher priority than a node with an fcost of 70. I am not attempting to modify the values once they're on the priority queue. You'll notice that I add at the end of the while loop (I read somewhere that the priorityqueue reorders itself when stuff is added to it), and poll right after that at the beginning. Status of 2 means the Node is the goal, and a status of 4 means that it is unwalkable. public int compareTo(Node o) { if(m_iF<o.m_iF) return -1; if(m_iF>o.m_iF) return 1; return 0; } And that's the compareTo function. Can you see a problem? =(

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  • c# Uploading files to ftp server

    - by etarvt
    Hi there, I have a problem with uploading files to ftp server. I have a few buttons. Every button uploads different files to the ftp. The first time when a button is clicked the file is uploaded successfully, but the second and later tries fail. It gives me "The operation has timed out". When I close the site and then open it again I can upload again only one file. I am sure that I can override files on the ftp. Here's the code: protected void btn_export_OnClick(object sender, EventArgs e) { Stream stream = new MemoryStream(); stream.Position = 0; // fill the stream bool res = this.UploadFile(stream, "test.csv", "dir"); stream.Close(); } private bool UploadFile(Stream stream, string filename, string ftp_dir) { stream.Seek(0, SeekOrigin.Begin); string uri = String.Format("ftp://{0}/{1}/{2}", "host", ftp_dir, filename); try { FtpWebRequest reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri)); reqFTP.Credentials = new NetworkCredential("user", "pass"); reqFTP.Method = WebRequestMethods.Ftp.UploadFile; reqFTP.KeepAlive = false; reqFTP.UseBinary = true; reqFTP.UsePassive = true; reqFTP.ContentLength = stream.Length; reqFTP.EnableSsl = true; // it's FTPES type of ftp int buffLen = 2048; byte[] buff = new byte[buffLen]; int contentLen; try { Stream ftpStream = reqFTP.GetRequestStream(); contentLen = stream.Read(buff, 0, buffLen); while (contentLen != 0) { ftpStream.Write(buff, 0, contentLen); contentLen = stream.Read(buff, 0, buffLen); } ftpStream.Flush(); ftpStream.Close(); } catch (Exception exc) { this.lbl_error.Text = "Error:<br />" + exc.Message; this.lbl_error.Visible = true; return false; } } catch (Exception exc) { this.lbl_error.Text = "Error:<br />" + exc.Message; this.lbl_error.Visible = true; return false; } return true; } Does anyone have idea what may cause this strange behaviour? I think I'm closing all streams accurately. Could this be related with the ftp server settings? The admin said that the ftp handshake never happened second time.

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  • Execute JavaScript function on a dynamic element (AJAX).

    - by jartaud
    Hello i have this following function: ... var model = $("#carModel"); .... model.change(validModel); function validModel(){ if(model.val() == undefined){ model.addClass("errorJS"); return false; }else{ model.removeClass("errorJS"); return true; } } I am getting carmodel id from a select box generated after an AJAX call. I can get its value in the Firebug console, but the function doest not execute. Even tough i use model.livequery(validModel); // The errorJS class put a red border in a element, if the function returns false

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