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  • PHP gettext function only returns orignal untranslated string

    - by Camsoft
    I'm trying to use gettext add localisation support to my website. I've followed various guides on how to setup gettext and have done the following: I've created the following files and directories in the root of my project dir: test.php locale/ de_DE LC_MESSAGES messages.mo messages.po en_GB LC_MESSAGES messages.mo messages.po I've used Poedit to create the above .po and mo files. I've made sue it use Unix line endings, UTF-8 and set the language and country accordingly. I've then created a PHP script called test.php which has the following code: <?php define('LOCALE', 'de_DE'); // Set up environmental variables putenv("LC_ALL=" . LOCALE); setlocale(LC_ALL, LOCALE); bindtextdomain("messages", "./locale"); bind_textdomain_codeset("messages", LOCALE .".utf8"); textdomain("messages"); die(gettext('This is a test.')); ?> I've imported the text "This is a test." to Poedit and supplied the translation and saved it. But for some reason the test.php script will only output the original text untranslated. It refuses to load the version for the translation files. It's worth noting that the server is running Linux (Ubuntu), Apache 2.2.11 and PHP 5.2.6-3ubuntu4.5. I've checked phpinfo() and gettext is enabled. Can someone help me? Thanks.

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  • BigData and Customer Experience: Happy Together

    - by Isabel F. Peñuelas
    The two big buzzes of the year may lay closer than it appears. Both concepts intersect at various points: BigData and Return of Investment of Marketing Campaigns On a recent post Big Data Is The Future Of Marketing Jeff Dachis explains very clearly how “Big data analytics finally allows marketers to identify, measure, and manage what is positively impacting their Brand”. Regression analysis applied to big data volumes coming from social media will substitute the failed attempts to justify marketing investments on social media in terms of followers and likes, he continues, “the measurement models applied by marketers on TV Campaigns don´t work on social”, we need to study the data with fresh eyes and maybe then we will start understanding and measuring brand engagemet. Social CRM and BigData The real value of Social CRM start by analyzing mass of big data from social media in order of applying social intelligence techniques that allow us to classify new customer niches and communities and define appropriated strategies to contact potential customers. Gartner Says that the Market for Social CRM is on pace to surpass $1 Billion in Revenue by Year-End 2012 but in words of Zach Hofer-Shall, Analyst at Forrester Research “Social customer relationship management is hard” (The Social CRM Arms Race Heats ). To succeed brands need three things: Investing in new social tools, investing in consultancy and investing in infrastructure for massive data storage and analysis. Neither CeX or BigData are easy and cheap wins. But what are the customer benefits of such investments? Big Data and Brand Engagement Time is the most valuable asset of todays consumers: tired of information overload, exhausted by the terabytes of offering, anxious because of not having the same fast multichannel experience with their services’ marketers or preferred goods providers than the one they found on their social media. Yes, I know you have read this before- me too. But is real. The motto of the Customer Experience philosophy of providing a consistent experience through multiple touchpoints that makes the relationship customer/brand easier and valuable finds it basis on understanding customer/s preferences and context for which BigData analysis is another imperative. In summary, I believe that using BigData Analysis in combination with appropriated CeX strategies and technologies is a promising direction for achieving: efficiency and marketing cost-savings; growing the customer base; and increasing customer conversion and retention. In a world: The Direction of Future Marketing.

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  • Tips On Using The Service Contracts Import Program

    - by LuciaC
    Prior to release 12.1 there was no supported way to import contracts into the EBS Service Contracts application - there were no public APIs nor contract load programs provided.  From release 12.1 onwards the 'Service Contracts Import Program' is provided to load service contracts into the application. The Service Contracts Import functionality is explained in How to Use the Service Contracts Import Program - Scope and Limitations (Doc ID 1057242.1).  This note includes an attached document which explains the program architecture, shows the Entity Relationship Diagram and details the interface table definitions. The Import program takes data from the interface tables listed below and populates the contracts schema tables:  OKS_USAGE_COUNTERS_INTERFACE OKS_SALES_CREDITS_INTERFACEOKS_NOTES_INTERFACEOKS_LINES_INTERFACEOKS_HEADERS_INTERFACEOKS_COVERED_LEVELS_INTERFACEThese interface tables must be loaded via a custom load program.The Service Contracts Import concurrent request is then submitted to create contracts from this legacy data. The parameters to run the Import program are:  Parameter Description  Mode Validate only, Import  Batch Number Batch_Id (unique id populated into the OKS_HEADERS_INTERFACE table)  Number of Workers Number of workers required (these are spawned as separate sub-requests)  Commit size Represents number of successfully processed contracts commited to database The program spawns sub-requests for the import worker(s) and the 'Service Contracts Import Report'.  The data is validated prior to import and into the Contracts tables and will report errors in the Service Contracts Import Report program output file (Import Execution Report).  Troubleshooting tips are provided in R12.1 - Common Service Contract Import Errors (Doc ID 762545.1); this document lists some, but not all, import errors.  The document will be updated over time.  Additional help is given in Debugging Tip for Service Contracts Import Errors (Doc ID 971426.1).After you successfully import contracts, you can purge the records from the interface tables by running the Service Contracts Import Purge concurrent program. Note that there is no supported way to mass delete data from the Contracts schema tables once they are populated, so data loaded by the Import program must be fully tested and verified before the program is run to load data into a Production system.A Service Contracts Import Test program has been provided which will take an existing contract in the application and load the interface tables using the data from that contract.  This can be used as an example for guidance on how to load the interface tables.  The Test program functionality is explained in How to Use the Service Contracts Test Import Program Provided in Release 12.1 (Doc ID 761209.1).  Note that the Test program has some limitations which do not apply to the full Import program and is not a supported program, it is simply a testing tool.  

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  • HTTP request, strange socket behavoir

    - by hoodoos
    I expirience strange behavior when doing HTTP requests through sockets, here the request: POST https://test.com:443/service/XMLSelect HTTP/1.1 Content-Length: 10926 Host: test.com User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 1.0.3705) Authorization: Basic XXX SOAPAction: http://test.com/SubmitXml Later on there goes body of my request with given content length. After that I recive something like: HTTP/1.1 200 OK Server: Apache-Coyote/1.1 Content-Type: text/xml;charset=utf-8 Transfer-Encoding: chunked Date: Tue, 30 Mar 2010 06:13:52 GMT So everything seem to be fine here. I read all contents from network stream and successfuly recieve response. But my socket which I'm doing polling on switches it's modes like that: write ( i write headers and request here ) read ( after headers sent i begin to recieve response ) write ( STRANGE BEHAVIOUR HERE. WHY? here i send nothing really ) read ( here it switches to read back again ) last two steps can repeat several times. So I want to ask what leads for socket's mode change? And in this case it's not a big problem, but when I use gzip compression in my request ( no idea how it's related ) and ask server to send gzipped response to me like this: POST https://test.com:443/service/XMLSelect HTTP/1.1 Content-Length: 1076 Accept-Encoding: gzip Content-Encoding: gzip Host: test.com User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 1.0.3705) Authorization: Basic XXX SOAPAction: http://test.com/SubmitXml I recieve response like that: HTTP/1.1 200 OK Server: Apache-Coyote/1.1 Content-Encoding: gzip Content-Type: text/xml;charset=utf-8 Transfer-Encoding: chunked Date: Tue, 30 Mar 2010 07:26:33 GMT 2000 ? I recieve a chunk size and GZIP header, it's all okay. And here's what is happening with my poor little socket meanwhile: write ( i write headers and request here ) read ( after headers sent i begin to recieve response ) write ( STRANGE BEHAVIOUR HERE. And it finally sits here forever waiting for me to send something! But if i refer to HTTP I don't have to send anything more! ) What can it be related to? What it wants me to send? Is it remote web server's problem or do I miss something? PS All actual service references and login/passwords replaced with fake ones :)

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  • Unittesting Url.Action (using Rhino Mocks?)

    - by Kristoffer Ahl
    I'm trying to write a test for an UrlHelper extensionmethod that is used like this: Url.Action<TestController>(x => x.TestAction()); However, I can't seem set it up correctly so that I can create a new UrlHelper and then assert that the returned url was the expected one. This is what I've got but I'm open to anything that does not involve mocking as well. ;O) [Test] public void Should_return_Test_slash_TestAction() { // Arrange RouteTable.Routes.Add("TestRoute", new Route("{controller}/{action}", new MvcRouteHandler())); var mocks = new MockRepository(); var context = mocks.FakeHttpContext(); // the extension from hanselman var helper = new UrlHelper(new RequestContext(context, new RouteData()), RouteTable.Routes); // Act var result = helper.Action<TestController>(x => x.TestAction()); // Assert Assert.That(result, Is.EqualTo("Test/TestAction")); } I tried changing it to urlHelper.Action("Test", "TestAction") but it will fail anyway so I know it is not my extensionmethod that is not working. NUnit returns: NUnit.Framework.AssertionException: Expected string length 15 but was 0. Strings differ at index 0. Expected: "Test/TestAction" But was: <string.Empty> I have verified that the route is registered and working and I am using Hanselmans extension for creating a fake HttpContext. Here's what my UrlHelper extentionmethod look like: public static string Action<TController>(this UrlHelper urlHelper, Expression<Func<TController, object>> actionExpression) where TController : Controller { var controllerName = typeof(TController).GetControllerName(); var actionName = actionExpression.GetActionName(); return urlHelper.Action(actionName, controllerName); } public static string GetControllerName(this Type controllerType) { return controllerType.Name.Replace("Controller", string.Empty); } public static string GetActionName(this LambdaExpression actionExpression) { return ((MethodCallExpression)actionExpression.Body).Method.Name; } Any ideas on what I am missing to get it working??? / Kristoffer

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  • ASP.NET Applications Requests/Sec suddenly jumps to a value of about 70 million/sec. on 8 core web

    - by Subhrajit Roy
    We are doing performance testing of an ASP.NET web application with VSTS 2008. We start with 2000 users and slowly ramp up to 5000 users (reaches this user load at around 2.5 hours after the tests start, after this we stay at this user load). The total test duration is of about 6 hours During these runs we have found that the counter Requests/Sec (under category ASP.NET applications) suddenly spikes to a values of 36-72 millions !!!. This keeps on happening intermittently i.e we see this issue once in every 3 performance runs that we give on the same application. In our testing environment we have 4 web servers and interestingly enough we have found that this issue occurs only in the 8 core web servers. Summarizing ... Issue : The counter Requests/Sec (under category ASP.NET Applications) suddenly jumps to a value of about 70 million/sec. on 8 core web servers. This results in an increase in SQL server connections opened by the application. Response time goes for a toss. Error rates also show similar behaviour. However the counter ISAPI Extention Requests/sec does not show any abnormal increase. The graph of this counter almost overlaps with that of counter Requests/Sec till the time of the appearance of the spike.When the spike appears , this counter (ISAPI Extention Requests/sec) actually shows a drop. Test Settings : Performance test run with Visual Studio Team System 2008. Soak test run for 6 hours. Maximum user load 5000 users. This is load is attained at about 2.5 hours into the run and mainted for remaining duration.(i.e for around 3.5 more hrs) This issue is reproducible though happens intermittently. (i.e occurs one in three or four runs) Test Environment : Web site deployed on 4 Web Servers (Windows Server 2003). Of these 2 are 4 core machines and the remaining 2 are 8 core ones. .NET Framework 3.5 SP1 installed on all 4 web servers. Application hosted on IIS 6.0 run in Worker process isolation mode.

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  • TFS Integration with Rational ClearQuest and Requirement Manager

    - by Kangkan
    I am working on an integration approach for integrating Rationa (IBM Jazz) Requirement Manager (RM) and Clear Quest (CQ) with TFS. As the teams are moving from ClearCase to TFS, what we are looking at is still being able to manage the requirements in RM and manage testing using CQ. The flow will be something like: Requirements are planned and detailed in RM Create work items in TFS connected to the Requirements in RM Create design and code using VS2010 and managing the version control in TFS Creating test plans and test cases in CQ (connected to requirements in RM) Run test against builds in TFS Publish test results in CQ against builds in TFS Run reports in RM, CQ and TFS that links up the items across the platforms. I have started looking at TFS Integration platform. But shall like to have your guidance for an early resolution and better solution approach.

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  • Perl, module export symbol

    - by Mike
    I'm having trouble understanding how to export a package symbol to a namespace. I've followed the documentation almost identically, but it seems to not know about any of the exporting symbols. mod.pm #!/usr/bin/perl package mod; use strict; use warnings; require Exporter; @ISA = qw(Exporter); @EXPORT=qw($a); our $a=(1); 1; test.pl $ cat test.pl #!/usr/bin/perl use mod; print($a); This is the result of running it $ ./test.pl Global symbol "@ISA" requires explicit package name at mod.pm line 10. Global symbol "@EXPORT" requires explicit package name at mod.pm line 11. Compilation failed in require at ./test.pl line 3. BEGIN failed--compilation aborted at ./test.pl line 3. $ perl -version This is perl, v5.8.4 built for sun4-solaris-64int

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  • Drag and Drop to a Powershell script

    - by Nathan Hartley
    I thought I had an answer to this, but the more I play with it, the more I see it as a design flaw of Powershell. I would like to drag and drop (or use the Send-To mechanism) to pass multiple files and/or folders as a array to a Powershell script. Test Script #Test.ps1 param ( [string[]] $Paths, [string] $ExampleParameter ) "Paths" $Paths "args" $args I then created a shortcut with the following command line and dragged some files on to it. The files come across as individual parameters which first match the script parameters positionally, with the remainder being placed in the $args array. Shortcut Attempt 1 powershell.exe -noprofile -noexit -file c:\Test.ps1 I found that I can do this with a wrapper script... Wrapper Script #TestWrapper.ps1 & .\Test.ps1 -Paths $args Shortcut Attempt 2 powershell.exe -noprofile -noexit -file c:\TestWrapper.ps1 Has anyone found a way to do this without the extra script?

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  • ie7 z-index problem

    - by rezna
    Hi, I've isolated a little test case of IE7's z-index bug, but don't know how to fix it. Have been playing with z-indeces all day long but it didn't. If someone knows, what to do about it, pls help ;) The test case is located here - http://upload.rezna.info/z-index-test.html The problem is, that in IE7 the second textbox is placed over the red list (suggest box). Thx, rezna

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  • Maven GAE Plugin - Unable to run gae:debug

    - by Taylor L
    I'm having trouble running the gae:debug goal of the Maven GAE Plugin. The error I'm receiving is below. Any ideas? I'm running it with "mvn gae:debug". [INFO] Packaging webapp [INFO] Assembling webapp[test-gae] in [C:\development\test-gae\target\test-gae-0.0.1-SNAPSHOT] [INFO] Processing war project [INFO] Webapp assembled in[56 msecs] [INFO] Building war: C:\development\test-gae\target\test-gae-0.0.1-SNAPSHOT.war [INFO] [statemgmt:end-fork] [INFO] Ending forked execution [fork id: -2101914270] [INFO] [gae:debug] Usage: <dev-appserver> [options] <war directory> Options: --help, -h Show this help message and exit. --server=SERVER The server to use to determine the latest -s SERVER SDK version. --address=ADDRESS The address of the interface on the local machine -a ADDRESS to bind to (or 0.0.0.0 for all interfaces). --port=PORT The port number to bind to on the local machine. -p PORT --sdk_root=root Overrides where the SDK is located. --disable_update_check Disable the check for newer SDK versions. EDIT: gae:run with the jvmFlags option is also giving me the same result with the below configuration. <plugin> <groupId>net.kindleit</groupId> <artifactId>maven-gae-plugin</artifactId> <version>0.5.0</version> <configuration> <jvmFlags> <jvmFlag>-Xdebug</jvmFlag> <jvmFlag>-Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000</jvmFlag> </jvmFlags> </configuration> </plugin>

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  • Something is wrong with this C code to reverse string, but I dont know what ? please help

    - by Harbhag
    Hi all, I am beginnner to programming. I wrote this little program to reverse a string. But if I try to reverse a string which is less than 5 characters long then it gives wrong output. I cant seem to find whats wrong. #include<stdio.h> #include<string.h> int main() { char test[50]; char rtest[50]; int i, j=0; printf("Enter string : "); scanf("%s", test); int max = strlen(test) - 1; for ( i = max; i>=0; i--) { rtest[j] = test[i]; j++; } printf("Reversal is : %s\n", rtest); return 0; }

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  • Outlook Marking Email as Junk Email

    - by robertabead
    I know. I sound like a spammer but these emails are completely legitimate email confirmations for people that have signed up for an account on this website we developed. These emails all make it through to various mail providers (gmail, yahoo, aol, hotmail/live) but they always get directed into the Outlook Junk Email folder. I am have tried using Zend Framework mail, PEAR Mail and phpMailer. All of those methods result in the same thing happening. This seemed to start happening after Microsoft released their update to the Outlook Junk Email filter in January of this year. Following is the code in question: include_once('Mail.php'); include_once('Mail/mime.php'); $hdrs = array( 'From' => "Membership <[email protected]>", 'Subject' => 'Test Email', 'Reply-To'=> "[email protected]", 'Message-ID'=> "<" . str_pad(rand(0,12345678),8,'0',STR_PAD_LEFT) . "@mail.example.com>", 'Date'=> date("D, j M Y H:i:s O",time()), 'To'=> '[email protected]' ); $params = array('host'=>'mail.example.com','auth'=>false,'localhost' => 'www.example.com','debug'=>false); $crlf = "\n"; $mime = new Mail_mime($crlf); $mime->setTXTBody("TEST"); $mime->setHTMLBody("<html>\n<body>\nTest\n</body>\n</html>"); $body = $mime->get(); $hdrs = $mime->headers($hdrs); $mail =& Mail::factory('smtp',$params); $t=$mail->send('[email protected]', $hdrs, $body); As you can see we are using the PEAR Mail functionality in this test. This is the most basic test we could run and the above generated email gets dumped into the Outlook Junk Email folder. We have reverse DNS on the mail server and it matches the forward DNS, SPF and DKIM are set up and there is nothing "spammy" with the above content. Can anybody see something with the above code that could cause Outlook to mark it as Junk? Thanks!

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  • CDOSYS and Unicode in the from field - vbScript.

    - by Simmo
    I've got the code below, and I'm trying to set the from field to allow unicode. Currently in my email client I get "??". The subject line and any content shows the unicode correctly. And looking at the MSDN the property should be "urn:schemas:httpmail:from". Anyone solved this issue? Thanks M Dim AC_EMAIL : AC_EMAIL = "[email protected]" Dim AC_EMAIL_FROM : AC_EMAIL_FROM = "?? <[email protected]>" Dim strSubject : strSubject = """??"" testing testing" set oMessage = WScript.CreateObject("CDO.Message") With oMessage .BodyPart.charset = "utf-8" 'unicode-1-1-utf-8 .Fields("urn:schemas:httpmail:from") = AC_EMAIL_FROM .Fields("urn:schemas:httpmail:to") = AC_EMAIL .Fields("urn:schemas:httpmail:subject") = strSubject .Fields.Update .Send End With Set oMessage = Nothing

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  • when does factory girl create objects in db?

    - by Pavel K.
    i am trying to simulate a session using factory girl/shoulda (it worked with fixtures but i am having problems with using factories). i have following factories (user login and email both have 'unique' validations): Factory.define :user do |u| u.login 'quentin' u.email '[email protected]' end Factory.define :session_user, :class => Session do |u| u.association :user, :factory => :user u.session_id 'session_user' end and here's the test class MessagesControllerTest < ActionController::TestCase context "normal user" do setup do @request.session[:user_id]=Factory(:user).id @request.session[:session_id]=Factory(:session_user).session_id end should "be able to access new message creation" do get :new assert_response :success end end end but when i run "rake test:functionals", i get this test result 1) Error: test: normal user should be able to access new message creation. (MessagesControllerTest): ActiveRecord::RecordInvalid: Validation failed: Account name already exists!, Email already exists! which means that record already exists in db when i am referring to it in test setup. is there something i don't understand here? does factory girl create all factories in db on startup? rails 2.3.5/shoulda/factory girl

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  • Developmnet process for an embedded project with significant Hardware change

    - by pierr
    Hi, I have a good idea about Agile development process but it seems it does not fit well with a embedded project with significant hardware change. I will describe below what we are currently doing (Ad-hoc way , no defined process yet). The change are divided to three categories and different process are used for them : complete hardware change example : use a different video codec IP a) Study the new IP b) RTL/FPGA simulation c) Implement the leagcy interface - go to b) d) Wait until hardware (tape out) is ready f) Test on the real Hardware hardware improvement example : enhance the image display quaulity by improving the underlie algorithm a)RTL/FPGA simulation b)Wait until hardware and test on the hardware Mino change exmaple : only change hardware register mapping a)Wait until hardware and test on the hardware The worry is it seems we don't have too much control and confidence about software maturity for the hardware change as the bring up schedule is always very tight and the customer desired a seemless change when updating to a new version hardware. How did you manage this kind of hardware hardware change? Did you solve that by a Hardware Abstraction Layer (HAL)? Did you have a automatical test for the HAL layer? How did you test when the hardware platform is not even ready? Do you have well documented process for this kind of change? Thanks for your insight.

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  • Rails eager loading

    - by Dimitar Vouldjeff
    HI, I have a Test model, which has_many questions, and Question, which has_many answers... When I make a query for a Test with :include = [:questions, {:questions = :answers}] ActiveRecord makes two more queries to fetch the questions and then to fetch the answers - it doesn`t join them!!! When I do the query with :joins ActiveRecord makes the query, but later when I need the Test.questions or Test.questions.answers ActiveRecord makes again those 2 extra queries!!! And later when I enumerate the questions or answers in the log I see other queries for each object, but it has Cache tag... Is this normal?

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  • How to use Enum in grails (not in domain class)

    - by bsreekanth
    Hello, i want to use Enum to represent some selection values. In /src/groovy folder, under the package com.test, I created the Enum. package com.test public enum TabSelectorEnum { A(1), B(2) private final int value public int value() {return value} } Now, I am trying to access it from controller like TabSelectorEnum.B.value() It throws an exception Caused by: org.codehaus.groovy.runtime.InvokerInvocationException: java.lang.NoClassDefFoundError: Could not initialize class com.test.TabSelectorEnum thanks in advance.

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  • Doxygen groups and modules index

    - by cppdev
    Hi I am creating a doxygen document for my project. Recently, I have grouped related classes using \addtogroup tag. After this, I have got a module tab in my documentation. It shows all modules. I want to add some description right below module name below the module name on the same page. How can I do it using doxygen ? Here's my tag /*! \addtogroup test test * Test Testing a group in doxygen * @{ */

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  • Implementing a robust async stream reader

    - by Jon
    I recently provided an answer to this question: C# - Realtime console output redirection. As often happens, explaining stuff (here "stuff" was how I tackled a similar problem) leads you to greater understanding and/or, as is the case here, "oops" moments. I realized that my solution, as implemented, has a bug. The bug has little practical importance, but it has an extremely large importance to me as a developer: I can't rest easy knowing that my code has the potential to blow up. Squashing the bug is the purpose of this question. I apologize for the long intro, so let's get dirty. I wanted to build a class that allows me to receive input from a Stream in an event-based manner. The stream, in my scenario, is guaranteed to be a FileStream and there is also an associated StreamReader already present to leverage. The public interface of the class is this: public class MyStreamManager { public event EventHandler<ConsoleOutputReadEventArgs> StandardOutputRead; public void StartSendingEvents(); public void StopSendingEvents(); } Obviously this specific scenario has to do with a console's standard output, but that is a detail and does not play an important role. StartSendingEvents and StopSendingEvents do what they advertise; for the purposes of this discussion, we can assume that events are always being sent without loss of generality. The class uses these two fields internally: protected readonly StringBuilder inputAccumulator = new StringBuilder(); protected readonly byte[] buffer = new byte[256]; The functionality of the class is implemented in the methods below. To get the ball rolling: public void StartSendingEvents(); { this.stopAutomation = false; this.BeginReadAsync(); } To read data out of the Stream without blocking, and also without requiring a carriage return char, BeginRead is called: protected void BeginReadAsync() { if (!this.stopAutomation) { this.StandardOutput.BaseStream.BeginRead( this.buffer, 0, this.buffer.Length, this.ReadHappened, null); } } The challenging part: BeginRead requires using a buffer. This means that when reading from the stream, it is possible that the bytes available to read ("incoming chunk") are larger than the buffer. Since we are only handing off data from the stream to a consumer, and that consumer may well have inside knowledge about the size and/or format of these chunks, I want to call event subscribers exactly once for each chunk. Otherwise the abstraction breaks down and the subscribers have to buffer the incoming data and reconstruct the chunks themselves using said knowledge. This is much less convenient to the calling code, and detracts from the usefulness of my class. To this end, if the buffer is full after EndRead, we don't send its contents to subscribers immediately but instead append them to a StringBuilder. The contents of the StringBuilder are only sent back whenever there is no more to read from the stream (thus preserving the chunks). private void ReadHappened(IAsyncResult asyncResult) { var bytesRead = this.StandardOutput.BaseStream.EndRead(asyncResult); if (bytesRead == 0) { this.OnAutomationStopped(); return; } var input = this.StandardOutput.CurrentEncoding.GetString( this.buffer, 0, bytesRead); this.inputAccumulator.Append(input); if (bytesRead < this.buffer.Length) { this.OnInputRead(); // only send back if we 're sure we got it all } this.BeginReadAsync(); // continue "looping" with BeginRead } After any read which is not enough to fill the buffer, all accumulated data is sent to the subscribers: private void OnInputRead() { var handler = this.StandardOutputRead; if (handler == null) { return; } handler(this, new ConsoleOutputReadEventArgs(this.inputAccumulator.ToString())); this.inputAccumulator.Clear(); } (I know that as long as there are no subscribers the data gets accumulated forever. This is a deliberate decision). The good This scheme works almost perfectly: Async functionality without spawning any threads Very convenient to the calling code (just subscribe to an event) Maintains the "chunkiness" of the data; this allows the calling code to use inside knowledge of the data without doing any extra work Is almost agnostic to the buffer size (it will work correctly with any size buffer irrespective of the data being read) The bad That last almost is a very big one. Consider what happens when there is an incoming chunk with length exactly equal to the size of the buffer. The chunk will be read and buffered, but the event will not be triggered. This will be followed up by a BeginRead that expects to find more data belonging to the current chunk in order to send it back all in one piece, but... there will be no more data in the stream. In fact, as long as data is put into the stream in chunks with length exactly equal to the buffer size, the data will be buffered and the event will never be triggered. This scenario may be highly unlikely to occur in practice, especially since we can pick any number for the buffer size, but the problem is there. Solution? Unfortunately, after checking the available methods on FileStream and StreamReader, I can't find anything which lets me peek into the stream while also allowing async methods to be used on it. One "solution" would be to have a thread wait on a ManualResetEvent after the "buffer filled" condition is detected. If the event is not signaled (by the async callback) in a small amount of time, then more data from the stream will not be forthcoming and the data accumulated so far should be sent to subscribers. However, this introduces the need for another thread, requires thread synchronization, and is plain inelegant. Specifying a timeout for BeginRead would also suffice (call back into my code every now and then so I can check if there's data to be sent back; most of the time there will not be anything to do, so I expect the performance hit to be negligible). But it looks like timeouts are not supported in FileStream. Since I imagine that async calls with timeouts are an option in bare Win32, another approach might be to PInvoke the hell out of the problem. But this is also undesirable as it will introduce complexity and simply be a pain to code. Is there an elegant way to get around the problem? Thanks for being patient enough to read all of this.

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  • Regular expression for checking website url

    - by Linto davis
    I need to check the web address, using regular expression. if user type url as www.test.com http://www.test.com https://www.test.com i have a regular expression like /^(http\:\/\/[a-zA-Z0-9_-]+(?:.[a-zA-Z0-9_-]+)*.[a-zA-Z]{2,4}(?:\/[a-zA-Z0-9_]+)*(?:\/[a-zA-Z0-9_]+.[a-zA-Z]{2,4}(?:\?[a-zA-Z0-9_]+\=[a-zA-Z0-9_]+)?)?(?:\&[a-zA-Z0-9_]+\=[a-zA-Z0-9_]+)*)$/ but it will only allow the second option only. how can i modify the regular expression so that , it should accept 1st and 3rd option too

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  • Reference-type conversion operators: asking for trouble?

    - by Ben
    When I compile the following code using g++ class A {}; void foo(A&) {} int main() { foo(A()); return 0; } I get the following error messages: > g++ test.cpp -o test test.cpp: In function ‘int main()’: test.cpp:10: error: invalid initialization of non-const reference of type ‘A&’ from a temporary of type ‘A’ test.cpp:6: error: in passing argument 1 of ‘void foo(A&)’ After some reflection, these errors make plenty of sense to me. A() is just a temporary value, not an assignable location on the stack, so it wouldn't seem to have an address. If it doesn't have an address, then I can't hold a reference to it. Okay, fine. But wait! If I add the following conversion operator to the class A class A { public: operator A&() { return *this; } }; then all is well! My question is whether this even remotely safe. What exactly does this point to when A() is constructed as a temporary value? I am given some confidence by the fact that void foo(const A&) {} can accept temporary values according to g++ and all other compilers I've used. The const keyword can always be cast away, so it would surprise me if there were any actual semantic differences between a const A& parameter and an A& parameter. So I guess that's another way of asking my question: why is a const reference to a temporary value considered safe by the compiler whereas a non-const reference is not?

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  • clang: error: linker command failed with exit code 1, only when testing on device

    - by woutr_be
    I was just about to test my app on a device when I ran into this problem, I'm getting this Linker Error. I've already checked all my compile sources and Build Phases, but there's no sign of my importing things twice. ld: duplicate symbol _calculateNextSearchPage in /Users/wouter/Sites/test/FastPdfKit.embeddedframework/FastPdfKit.framework/FastPdfKit(FastPdfKit) and /Users/wouter/Sites/test/FastPdfKit.embeddedframework/FastPdfKit.framework/FastPdfKit(FastPdfKit) for architecture armv7 clang: error: linker command failed with exit code 1 (use -v to see invocation) This only happens when testing on a device, not in the simulator.

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  • Building a python module and linking it against a MacOSX framework

    - by madflo
    I'm trying to build a Python extension on MacOSX 10.6 and to link it against several frameworks (i386 only). I made a setup.py file, using distutils and the Extension object. I order to link against my frameworks, my LDFLAGS env var should look like : LDFLAGS = -lc -arch i386 -framework fwk1 -framework fwk2 As I did not find any 'framework' keyword in the Extension module documentation, I used the extra_link_args keyword instead. Extension('test', define_macros = [('MAJOR_VERSION', '1'), ,('MINOR_VERSION', '0')], include_dirs = ['/usr/local/include', 'include/', 'include/vitale'], extra_link_args = ['-arch i386', '-framework fwk1', '-framework fwk2'], sources = "testmodule.cpp", language = 'c++' ) Everything is compiling and linking fine. If I remove the -framework line from the extra_link_args, my linker fails, as expected. Here is the last two lines produced by a python setup.py build : /usr/bin/g++-4.2 -arch x86_64 -arch i386 -isysroot / -L/opt/local/lib -arch x86_64 -arch i386 -bundle -undefined dynamic_lookup build/temp.macosx-10.6-intel-2.6/testmodule.o -o build/lib.macosx-10.6-intel-2.6/test.so -arch i386 -framework sgdosx -framework srtosx -framework ssvosx -framework stsosx Unfortunately, the .so that I just produced is unable to find several symbols provided by this framework. I tried to check the linked framework with otool. None of them is appearing. $ otool -L test.so test.so: /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 7.9.0) /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 125.0.1) There is the output of otool run on a test binary, made with g++ and ldd using the LDFLAGS described at the top of my post. On this example, the -framework did work. $ otool -L vitaosx vitaosx: /Library/Frameworks/sgdosx.framework/Versions/A/sgdosx (compatibility version 1.0.0, current version 1.0.0) /Library/Frameworks/ssvosx.framework/Versions/A/ssvosx (compatibility version 1.0.0, current version 1.0.0) /usr/lib/libstdc++.6.dylib (compatibility version 7.0.0, current version 7.9.0) /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 125.0.1) May this issue be linked to the "-undefined dynamic_lookup" flag on the linking step ? I'm a little bit confused by the few lines of documentation that I'm finding on Google. Cheers,

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  • How to embedd cgi in html

    - by neversaint
    I have no problem executing a cgi file under the normal url like this: http://www.myhost.com/mydir/cgi-bin/test.cgi However when I tried to embedd it into HTML file (called index.html) like this: <HTML> <BODY> <P>Here's the output from my program: <FORM ACTION="/var/www/mydir/cgi-bin/test.cgi" METHOD=POST> </FORM> </P> </BODY> </HTML> The CGI doesn't get executed when I do: http://www.myhost.com/mydir/index.html The CGI file (test.cgi) simply looks like this: #!/usr/bin/perl -wT use CGI::Carp qw(fatalsToBrowser); print "Test cgi!\n"; What's the right way to do it?

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