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  • Postgresql by network

    - by sev
    I have running PostgreSQL sever on 192.168.0.102:5432. postgresql.conf has this line: listen_addresses = '*' and pg_hba.conf has this one: host all all 127.0.0.1/32 trust I have Rails app with same config/database.yml development: adapter: postgresql host: 192.168.0.102 port: 5432 encoding: unicode database: test pool: 5 username: test password: But when I run rake db:migrate I get (I run this from 192.168.0.100) FATAL: no pg_hba.conf entry for host "192.168.0.100", user "test", database "postgres", SSL on FATAL: no pg_hba.conf entry for host "192.168.0.100", user "test", database "postgres", SSL off ... Who can help with this?

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  • What steps to take when CPAN installation fails?

    - by pythonic metaphor
    I have used CPAN to install perl modules on quite a few occasions, but I've been lucky enough to just have it work. Unfortunately, I was trying to install Thread::Pool today and one of the required dependencies, Thread::Converyor::Monitored failed the test: Test Summary Report ------------------- t/Conveyor-Monitored02.t (Wstat: 65280 Tests: 89 Failed: 0) Non-zero exit status: 255 Parse errors: Tests out of sequence. Found (2) but expected (4) Tests out of sequence. Found (4) but expected (5) Tests out of sequence. Found (5) but expected (6) Tests out of sequence. Found (3) but expected (7) Tests out of sequence. Found (6) but expected (8) Displayed the first 5 of 86 TAP syntax errors. Re-run prove with the -p option to see them all. Files=3, Tests=258, 6 wallclock secs ( 0.07 usr 0.03 sys + 4.04 cusr 1.25 csys = 5.39 CPU) Result: FAIL Failed 1/3 test programs. 0/258 subtests failed. make: *** [test_dynamic] Error 255 ELIZABETH/Thread-Conveyor-Monitored-0.12.tar.gz /usr/bin/make test -- NOT OK //hint// to see the cpan-testers results for installing this module, try: reports ELIZABETH/Thread-Conveyor-Monitored-0.12.tar.gz Running make install make test had returned bad status, won't install without force Failed during this command: ELIZABETH/Thread-Conveyor-Monitored-0.12.tar.gz: make_test NO What steps do you take to start seeing why an installation failed? I'm not even sure how to begin tracking down what's wrong.

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  • BizTalk: Instance Subscription: Details

    - by Leonid Ganeline
    It has interesting behavior and it is not always what we are waiting for. An orchestration can be enlisted with many subscriptions. In other word it can have several Receive shapes. Usually the first Receive uses the Activation subscription but other Receives create the Instance subscriptions. [See “Publish and Subscribe Architecture” in MSDN] Here is a sample process. This orchestration has two receives. It is a typical Sequential Convoy. [See "BizTalk Server 2004 Convoy Deep Dive" in MSDN by Stephen W. Thomas]. Let's experiment started.   There are three typical scenarios. First scenario: everything is OK Activation subscription for the Sample message is created when the orchestration the SampleProcess is enlisted. The Instance subscription is created only when the SampleProcess orchestration instance is started and it is removed when the orchestration instance is ended. So far so good, the Message_2 was delivered exactly in this time interval and was consumed. Second scenario: no consumers Three Sample_2 messages were delivered. One was delivered before the SampleProcess was started and before the instance subscription was created. Second message was delivered in the correct time interval. The third one was delivered after the SampleProcess orchestration was ended and the instance subscription was removed. Note: ·         It was not the first Sample_2 was consumed. It was first in the queue but in was not waiting, it was suspended when it was delivered to the Message Box and didn’t have any subscribers at this moment. The first and the last Sample_2 messages were Suspended (Nonresumable) in the Message Box. For each of this message we have got two (!) service instances associated with this suspended message. One service instance has the ServiceClass of Messaging, and we can see its Error Description:   The second service instance has the ServiceClass of RoutingFailureReport, and we can see its Error Description:   Third scenario: something goes wrong Two Sample_2 messages were delivered. Both were delivered in the same interval when the SampleProcess orchestration was working and the instance subscription was created and was working too. First Sample_2 was consumed. The second Sample_2 has the subscription but the subscriber, the SampleProcess orchestration, will not consume it. After the SampleProcess orchestration is ended (And only after! I will discuss this in the next article.), it is suspended (Nonresumable). In this time only one service instance associated with this kind of scenario is suspended. This service instance has the ServiceClass of Orchestration, and we can see its Error Description: In the Message tab we will see the Sample_2 message in the Suspended (Resumable) status. Note: ·         This behavior looks ambiguous. We see here the orchestration consumes the extra message(s) and gets suspended together with those extra messages. These messages are not consumed in term of “processed by orchestration”. But they are consumed in term of the “delivered to the subscriber”. The receive shape in the orchestration is not received these extra messages. But these messages are routed to the orchestration.     Unified Sequential convoy  Now one more scenario. It is the unified sequential convoy. That means the activation subscription is for the same message type as it for the instance subscription. The Sample_2 message is now the Sample message. For simplicity the SampleProcess orchestration consumes only two Sample messages. Usually the orchestration consumes a lot of messages inside loop, but now it is only two of them. First message starts the orchestration, the second message goes inside this orchestration. Then the next pair of messages follows, and so on. But if the input messages follow in shorter intervals we have got the problem. We lost messages in unpredictable manner. Note: ·         Maybe the better behavior would be if the orchestration removes the instance subscription after the message is consumed, not in the end on the orchestration. Right now it is a “feature” of the BizTalk subscription mechanism.

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  • How to use wget with an input file and filenames

    - by Matt
    i have a text file that contains 10,000 url's with a unique number i want to save the file as. Each line has a 10 character code, then the URL of the image to retrieve. How can I make the input file use the first 10 characters as the wget filename? this is an example of the input file: input.txt x100083590http://image.allmusic.com/13/adg/cov200/drt200/t291/t29123q8m19.jpg b200149548http://ecx.images-amazon.com/images/I/41DoH%2BAWKEL.jpg z100151855http://image.allmusic.com/13/amg/cov200/dri400/i450/i45035hxdrb.jpg p400171646http://ecx.images-amazon.com/images/I/61cH4n34IhL.jpg wget -i input.txt would get the file but not with the preceding unique number. I want t29123q8m19.jpg (the first line) to be saved as x100083590.jpg If there is a better way to write out the input file, say with the URL first, then I can do that too, but I will never know the length of the first field. Right now the first 10 characters will always be what I want to save the wget image as. Edit This is being done in a windows environment.

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  • Installing nvidia drivers causes computer to boot to command prompt.

    - by levesque
    Hi, I have an Asus u30jc laptop, which comes with the Optimus prime graphics card switching technology that is now supported under 2.6.35, so I decided to give it a try. First I made sure the discrete graphics card was activated and then I installed the drivers proposed by the ubuntu software repository (nvidia-current). However, after rebooting all I got was a command prompt. My graphics card is a nvidia 310M. This is on Ubuntu 10.10 64 bits. What can I do to diagnose/identify the source of this problem? UPDATE: The messsages in my syslog tell me to check the xorg log: Oct 11 12:42:59 u30jc-test gdm-binary[1095]: WARNING: GdmDisplay: display lasted 0.053144 seconds Oct 11 12:42:59 u30jc-test gdm-simple-slave[1450]: WARNING: Unable to load file '/etc/gdm/custom.conf': No such file or directory Oct 11 12:42:59 u30jc-test gdm-binary[1095]: WARNING: GdmDisplay: display lasted 0.038176 seconds Oct 11 12:42:59 u30jc-test gdm-binary[1095]: WARNING: GdmLocalDisplayFactory: maximum number of X display failures reached: check X server log for errors Which I did. I found this message in my /var/log/Xorg.0.log : Fatal server error: [ 113.540] no screens found [ 113.540] What does that mean?

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  • When does a Tumbling Window Start in StreamInsight

    Whilst getting some courseware ready I was playing around writing some code and I decided to very simply show when a window starts and ends based on you asking for a TumblingWindow of n time units in StreamInsight.  I thought this was going to be a two second thing but what I found was something I haven’t yet found documented anywhere until now.   All this code is written in C# and will slot straight into my favourite quick-win dev tool LinqPad   Let’s first create a sample dataset   var EnumerableCollection = new [] { new {id = 1, StartTime = DateTime.Parse("2010-10-01 12:00:00 PM").ToLocalTime()}, new {id = 2, StartTime = DateTime.Parse("2010-10-01 12:20:00 PM").ToLocalTime()}, new {id = 3, StartTime = DateTime.Parse("2010-10-01 12:30:00 PM").ToLocalTime()}, new {id = 4, StartTime = DateTime.Parse("2010-10-01 12:40:00 PM").ToLocalTime()}, new {id = 5, StartTime = DateTime.Parse("2010-10-01 12:50:00 PM").ToLocalTime()}, new {id = 6, StartTime = DateTime.Parse("2010-10-01 01:00:00 PM").ToLocalTime()}, new {id = 7, StartTime = DateTime.Parse("2010-10-01 01:10:00 PM").ToLocalTime()}, new {id = 8, StartTime = DateTime.Parse("2010-10-01 02:00:00 PM").ToLocalTime()}, new {id = 9, StartTime = DateTime.Parse("2010-10-01 03:20:00 PM").ToLocalTime()}, new {id = 10, StartTime = DateTime.Parse("2010-10-01 03:30:00 PM").ToLocalTime()}, new {id = 11, StartTime = DateTime.Parse("2010-10-01 04:40:00 PM").ToLocalTime()}, new {id = 12, StartTime = DateTime.Parse("2010-10-01 04:50:00 PM").ToLocalTime()}, new {id = 13, StartTime = DateTime.Parse("2010-10-01 05:00:00 PM").ToLocalTime()}, new {id = 14, StartTime = DateTime.Parse("2010-10-01 05:10:00 PM").ToLocalTime()} };   Now let’s create a stream of point events   var inputStream = EnumerableCollection .ToPointStream(Application,evt=> PointEvent .CreateInsert(evt.StartTime,evt),AdvanceTimeSettings.StrictlyIncreasingStartTime);   Now we can create our windows over the stream.  The first window we will create is a one hour tumbling window.  We’'ll count the events in the window but what we do here is not the point, the point is our window edges.   var windowedStream = from win in inputStream.TumblingWindow(TimeSpan.FromHours(1),HoppingWindowOutputPolicy.ClipToWindowEnd) select new {CountOfEntries = win.Count()};   Now we can have a look at what we get.  I am only going to show the first non Cti event as that is enough to demonstrate what is going on   windowedStream.ToIntervalEnumerable().First(e=> e.EventKind == EventKind.Insert).Dump("First Row from Windowed Stream");   The results are below   EventKind Insert   StartTime 01/10/2010 12:00   EndTime 01/10/2010 13:00     { CountOfEntries = 5 }   Payload CountOfEntries 5   Now this makes sense and is quite often the width of window specified in examples.  So what happens if I change the windowing code now to var windowedStream = from win in inputStream.TumblingWindow(TimeSpan.FromHours(5),HoppingWindowOutputPolicy.ClipToWindowEnd) select new {CountOfEntries = win.Count()}; Now where does your window start?  What about   var windowedStream = from win in inputStream.TumblingWindow(TimeSpan.FromMinutes(13),HoppingWindowOutputPolicy.ClipToWindowEnd) select new {CountOfEntries = win.Count()};   Well for the first example your window will start at 01/10/2010 10:00:00 , and for the second example it will start at  01/10/2010 11:55:00 Surprised?   Here is the reason why and thanks to the StreamInsight team for listening.   Windows start at TimeSpan.MinValue. Windows are then created from that point onwards of the size you specified in your code.  If a window contains no events they are not produced by the engine to the output.  This is why window start times can be before the first event is created.

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  • What can be done to decrease the number of live issues with applications?

    - by User Smith
    First off I have seen this post which is slightly similar to my question. : What can you do to decrease the number of deployment bugs of a live website? Let me layout the situation for you. The team of programmers that I belong to have metrics associated with our code. Over the last several months our errors in our live system have increased by a large amount. We require that our updates to applications be tested by at least one other programmer prior to going live. I personally am completely against this as I think that applications should be tested by end users as end users are much better testers than programmers, I am not against programmers testing, obviously programmers need to test code, but they are most of the times too close to the code. The reason I specify that I think end users should test in our scenario is due to the fact that we don't have business analysts, we just have programmers. I come from a background where BAs took care of all the testing once programmers checked off it was ready to go live. We do have a staging environment in place that is a clone of the live environment that we use to ensure that we don't have issues between development and live environments this does catch some bugs. We don't do end user testing really at all, I should say we don't really have anyone testing our code except programmers, which I think gets us into this mess (Ideally, we would have BAs or QA or professional testers test). We don't have a QA team or anything of that nature. We don't have test cases for our projects that are fully laid out. Ok, I am just a peon programmer at the bottom of the rung, but I am probably more tired of these issues than the managers complaining about them. So, I don't have the ability to tell them you are doing it all wrong.....I have tried gentle pushes in the correct direction. Any advice or suggestions on how to alleviate this issue ?

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  • IIS 6 ASP.NET default handler-mappings and virtual directories

    - by Mark Lauter
    I'm having a problem with setting a default mapping in IIS 6. I want to secure *.HTML files with ASP.NET forms authentication. The problem seems to have something to do with using virtual directories to hold the html files. Here's how it's setup: sample directory tree c:/inetpub/ (nothing in here) d:/web_files/my_web_apps d:/web_files/my_web_apps/app1/ d:/web_files/my_web_apps/app2/ d:/web_files/my_web_apps/html_files/ app1 and app2 both access the same html_files directory, so html_files is set as a virtual directory in the web apps in IIS... sample web directory tree //app1/html_files/ (points to physical directory: d:/web_files/my_web_apps/html_files/) //app2/html_files/ (points to physical directory: d:/web_files/my_web_apps/html_files/) If I put a file called test.html in the root of //app1/ and then add the default mapping to the asp.net dll and setup my security on the root folder with deny="?", then accessing test.html works exactly as expected. If I'm not authenticated, it takes me to the login.aspx page, and if I am authenticated then it displays test.html. If I put the test.html file in the html_files directory I get a totally different behavior. Now the login.aspx page loads and I stuck some code in to check if I was still authenticated: <p>autheticated: <%=User.Identity.IsAuthenticated%></p> I figured it would say false because why else would it bother to load the login page? Nope, it says true - so it knows i'm authenticated, but it won't give me access to the test.html file. I've spent several hours on this and haven't been able to solve it. I'm going to spend some more time on google to see if I've missed something. Fingers crossed.

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  • Why is my hosts file not working?

    - by elliot100
    I've been using the hosts file to for local website development, and it's recently stopped working. No entries other than localhost resolve. I've simplified to test, so it now contains only 127.0.0.1 localhost ::1 localhost 127.0.0.1 test.dev localhost responds to ping, test.dev does not. The file is called hosts with no extension It has no trailing spaces It's saved in C:\WINDOWS\System32\drivers\etc which matches the value of HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\DataBasePath Oddly, despite UAC being on, I can edit, delete and save the file without admin permissions No proxy is being used, PC is not connected to network for testing Stopping the DNS Client service seemed to resolve the issue for a few minutes, test.dev briefly resolved but doesn't any more. Only firewall is Windows' Machine has been restarted. Is there anything else I should try?

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  • Mocking concrete class - Not recommended

    - by Mik378
    I've just read an excerpt of "Growing Object-Oriented Software" book which explains some reasons why mocking concrete class is not recommended. Here some sample code of a unit-test for the MusicCentre class: public class MusicCentreTest { @Test public void startsCdPlayerAtTimeRequested() { final MutableTime scheduledTime = new MutableTime(); CdPlayer player = new CdPlayer() { @Override public void scheduleToStartAt(Time startTime) { scheduledTime.set(startTime); } } MusicCentre centre = new MusicCentre(player); centre.startMediaAt(LATER); assertEquals(LATER, scheduledTime.get()); } } And his first explanation: The problem with this approach is that it leaves the relationship between the objects implicit. I hope we've made clear by now that the intention of Test-Driven Development with Mock Objects is to discover relationships between objects. If I subclass, there's nothing in the domain code to make such a relationship visible, just methods on an object. This makes it harder to see if the service that supports this relationship might be relevant elsewhere and I'll have to do the analysis again next time I work with the class. I can't figure out exactly what he means when he says: This makes it harder to see if the service that supports this relationship might be relevant elsewhere and I'll have to do the analysis again next time I work with the class. I understand that the service corresponds to MusicCentre's method called startMediaAt. What does he mean by "elsewhere"? The complete excerpt is here: http://www.mockobjects.com/2007/04/test-smell-mocking-concrete-classes.html

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  • openssl creates invalid signature if run by a different user

    - by divB
    Very strange problem here: openssl successfully creates signatures but only those created as root are valid whereas created by another user (www-data) are invalid! All files are readable and there are not error messages: # echo -ne Test | openssl dgst -ecdsa-with-SHA1 -sign activation.key > /tmp/asRoot.der # su www-data $ echo -ne Test | openssl dgst -ecdsa-with-SHA1 -sign activation.key > /tmp/asWww-data.der $ uname -a Linux linux 2.6.32-5-openvz-amd64 #1 SMP Mon Feb 25 01:16:25 UTC 2013 i686 GNU/Linux $ cat /etc/debian_version 6.0.7 Both files (asRoot.der and asWww-data.der) are transfered to a different computer for verification with the public key: $ echo -ne Test | openssl dgst -verify activation.pub -keyform DER -signature asRoot.der Verified OK $ echo -ne Test | openssl dgst -verify activation.pub -keyform DER -signature asWww-data.der Verification Failure That can't be true! What's wrong here?

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  • What's needed in a complete ASP.NET environment?

    - by Christian W
    We have a ASP3.0 application with a few ASP.NET (2.0) dittys mixed in. (Our longtime goal is to migrate everything to ASP.NET but that's not important for this issue) Our current test/deploy workflow is like this: 1 Use notepad++ or VS2008 to fix a bug/feature (depending on what I have open) 2 Open my virtual test-server 3 Copy the fixed file over, either with explorer, or if I can be bothered to open it, WinMerge 4 Test that the fix works 5 Close the virtual test-server 6 Connect to our host with VPN 7 Use WinMerge to update the files necessary 8 Pray to higher powers that the production environment is not so different that something bombs. To make things worse, only I have access to my "test-server". So I'm the only one testing it. I really want to make this a bit more robust, I even have a subversion setup running. But I always forget to commit changes... And I don't even work in my checked out folder, but a copy of what is currently in production... Can someone recommend some good reading on deploying, testing, staging and stuff like that. I currently use VS2008 and want to use subversion or GIT (or any other free VCS). Since I'm the only developer, teamsystem is not really an option (cost-related). I have found myself developing an "improved" feature, only to find a bug in the same feature in the production system. And since my "improved" feature incorporated deleting some old functionality, I have to fix bugs directly in production... That's not a fun feeling... (I have inherited this system recently... So it's not directly my fault that it is like this ;) )

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  • Basic collision direction detection on 2d objects

    - by Osso Buko
    I am trying to develop a platform game for Android by using ANdroid GL Engine (ANGLE). And I am having trouble with collision detection. I have two objects which is shaped as rectangular. And no change in rotation. Here is a scheme of attributes of objects. What i am trying to do is when objects collide they block each other's movement on that direction. Every object has 4 boolean (bTop, bBottom, bRight, bLeft). For example when bBottom is true object can't advance on that direction. I came up with a solution but it seems it only works on one dimensional. Bottom and top or right and left. public void collisionPlatform (MyObject a, MyObject b) { // first obj is player and second is a wall or a platform Vector p1 = a.mPosition; // p1 = middle point of first object Vector d1 = a.mPosition2; // width(mX) and height of first object Vector mSpeed1 = a.mSpeed; // speed vector of first object Vector p2 = b.mPosition; // p1 = middle point of second object Vector d2 = b.mPosition2; // width(mX) and height of second object Vector mSpeed2 = b.mSpeed; // speed vector of second object float xDist, yDist; // distant between middle of two object float width , height; // this is average of two objects measurements width=(width1+width2)/2 xDist=(p1.mX - p2.mX); // calculate distance // if positive first object is at the right yDist=(p1.mY - p2.mY); // if positive first object is below width = d1.mX + d2.mX; // average measurements calculate height = d1.mY + d2.mY; width/=2; height/=2; if (Math.abs(xDist) < width && Math.abs(yDist) < height) { // Two object is collided if(p1.mY>p2.mY) { // first object is below second one a.bTop = true; if(a.mSpeed.mY<0) a.mSpeed.mY=0; b.bBottom = true; if(b.mSpeed.mY>0) b.mSpeed.mY=0; } else { a.bBottom = true; if(a.mSpeed.mY>0) a.mSpeed.mY=0; b.bTop = true; if(b.mSpeed.mY<0) b.mSpeed.mY=0; } } As seen in my code it simply will not work. when object comes from right or left it doesn't work. I tried couple of ways other than this one but none worked. I am guessing right method will include mSpeed vector. But I have no idea how to do it. I really appreciate if you could help. Sorry for my bad english.

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  • Virtualhost Wildcard Subdomains

    - by Khuram
    We have one static IP on which we have routed our company website. We have setup a local machine on windows with WAMP to run our testing server. We want virtual hosts to test our different apps. However, when creating subdomains, we have a new project which uses wildcard subdomains. How can we create the wildcard subdomains in VirtualHosts. We use, NameVirtualHost * <VirtualHost *> ServerAdmin admin@test DocumentRoot "E:/Wamp/www/corporate" ServerName companysite.com </VirtualHost> <VirtualHost *> ServerAdmin admin@test DocumentRoot "E:/Wamp/www/project" ServerName project.companysite.com </VirtualHost> <VirtualHost *> ServerAdmin admin@test DocumentRoot "E:/Wamp/www/project" ServerName *.project.companysite.com </VirtualHost> However, the last * wildcard does not work. Any help?

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  • How can I check if PHP was compiled with the UNICODE version of the Win32 API?

    - by Wesley Murch
    This is related to this Stack Overflow post: glob() can't find file names with multibyte characters on Windows? I'm having issues with PHP and files that have multibyte characters on Windows. Here's my test case: print_r(scandir('./uploads/')); print_r(glob('./uploads/*')); Correct Output on remote UNIX server: Array ( [0] => . [1] => .. [2] => filename-äöü.jpg [3] => filename.jpg [4] => test?test.jpg [5] => ??? ?????.jpg [6] => ?????????.jpg [7] => ???.jpg ) Array ( [0] => ./uploads/filename-äöü.jpg [1] => ./uploads/filename.jpg [2] => ./uploads/test?test.jpg [3] => ./uploads/??? ?????.jpg [4] => ./uploads/?????????.jpg [5] => ./uploads/???.jpg ) Incorrect Output locally on Windows: Array ( [0] => . [1] => .. [2] => ??? ?????.jpg [3] => ???.jpg [4] => ?????????.jpg [5] => filename-äöü.jpg [6] => filename.jpg [7] => test?test.jpg ) Array ( [0] => ./uploads/filename-äöü.jpg [1] => ./uploads/filename.jpg ) Here's a relevant excerpt from the answer I chose to accept (which actually is a quote from an article that was posted online over 2 years ago): From the comments on this article: http://www.rooftopsolutions.nl/blog/filesystem-encoding-and-php The output from your PHP installation on Windows is easy to explain : you installed the wrong version of PHP, and used a version not compiled to use the Unicode version of the Win32 API. For this reason, the filesystem calls used by PHP will use the legacy "ANSI" API and so the C/C++ libraries linked with this version of PHP will first try to convert yout UTF-8-encoded PHP string into the local "ANSI" codepage selected in the running environment (see the CHCP command before starting PHP from a command line window) Your version of Windows is MOST PROBABLY NOT responsible of this weird thing. Actually, this is YOUR version of PHP which is not compiled correctly, and that uses the legacy ANSI version of the Win32 API (for compatibility with the legacy 16-bit versions of Windows 95/98 whose filesystem support in the kernel actually had no direct support for Unicode, but used an internal conversion layer to convert Unicode to the local ANSI codepage before using the actual ANSI version of the API). Recompile PHP using the compiler option to use the UNICODE version of the Win32 API (which should be the default today, and anyway always the default for PHP installed on a server that will NEVER be Windows 95 or Windows 98...) I can't confirm whether this is my problem or not. I used phpinfo() and did not find anything interesting, but I wasn't sure what to look for. I've been using XAMPP for easy installations, so I'm really not sure exactly how it was installed. I'm using Windows 7, 64 bit - so forgive my ignorance, but I'm not even sure if "Win32" is relevant here. How can I check if my current version of PHP was compiled with the configuration mentioned above? PHP Version: 5.3.8 System: Windows NT WES-PC 6.1 build 7601 (Windows 7 Home Premium Edition Service Pack 1) i586 Build Date: Aug 23 2011 11:47:20 Compiler: MSVC9 (Visual C++ 2008) Architecture: x86 Configure Command: cscript /nologo configure.js "--enable-snapshot-build" "--disable-isapi" "--enable-debug-pack" "--disable-isapi" "--without-mssql" "--without-pdo-mssql" "--without-pi3web" "--with-pdo-oci=D:\php-sdk\oracle\instantclient10\sdk,shared" "--with-oci8=D:\php-sdk\oracle\instantclient10\sdk,shared" "--with-oci8-11g=D:\php-sdk\oracle\instantclient11\sdk,shared" "--enable-object-out-dir=../obj/" "--enable-com-dotnet" "--with-mcrypt=static" "--disable-static-analyze"

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  • How can Agile methodologies be adapted to High Volume processing system development?

    - by luckyluke
    I am developing high volume processing systems. Like mathematical models that calculate various parameters based on millions of records, calculated derived fields over milions of records, process huge files having transactions etc... I am well aware of unit testing methodologies and if my code is in C# I have no problem in unit testing it. Problem is I often have code in T-SQL, C# code that is a SQL stored assembly, and SSIS workflow with a good amount of logic (and outcomes etc) or some SAS process. What is the approach YOu use when developing such systems. I usually develop several tests as Stored procedures in a designed schema(TEST) and then automatically run them overnight and check out the results. But this is only for T-SQL. And Continous integration IS hard. But the problem is with testing SSIS packages. How do You test it? What is Your preferred approach for stubbing data into tables (especially if You need a lot data initialization). I have some approach derived over the years but maybe I am just not reading enough articles. So Banking, Telecom, Risk developers out there. How do You test your mission critical apps that process milions of records at end day, month end etc? What frameworks do You use? How do You validate that Your ssis package is Correct (as You develop it)/ How do You achieve continous integration in such an environment (Personally I never got there)? I hope this is not to open-ended question. How do You test Your map-reduce jobs for example (i do not use hadoop but this is quite similar). luke Hope that this is not too open ended

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  • mount issue in ubuntu 12.10

    - by Vipin Ms
    I'm having issue with latest Ubuntu 12.10. Let me make it more clear. I'm having the following partitions in my Laptop. Device Boot Start End Blocks Id System /dev/sda1 2048 39997439 19997696 83 Linux /dev/sda2 * 40001850 81947564 20972857+ 83 Linux /dev/sda3 81947565 123877214 20964825 83 Linux /dev/sda4 123887614 976773119 426442753 5 Extended /dev/sda5 123887616 333602815 104857600 83 Linux /dev/sda6 333604864 543320063 104857600 83 Linux /dev/sda7 543322112 753037311 104857600 83 Linux /dev/sda8 753039360 976773119 111866880 83 Linux I have also two users named "ms" and abc. Here ms is for administrative tasks and abc for my friends. When I mount any drive under "abc" user, I cannot access it under my other user "ms". Same as in the case with "ms" user. I found possible reason behind the issue. When I mount any drive under "abc" user, Ubuntu will try to mount it under "/media/abc/volume_name" instead of "/media/volume_name" . Same as in the case with "ms" user. # df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 19G 11G 7.5G 59% / udev 1.5G 4.0K 1.5G 1% /dev tmpfs 599M 896K 598M 1% /run none 5.0M 0 5.0M 0% /run/lock none 1.5G 620K 1.5G 1% /run/shm none 100M 92K 100M 1% /run/user /dev/sda2 20G 172M 19G 1% /media/abc/TEST /dev/sdb1 466G 353G 114G 76% /media/abc/F088F74288F7063E /dev/sdb2 466G 318G 148G 69% /media/abc/New Volume /dev/sda5 99G 94G 323M 100% /media/abc/Songs /dev/sda6 99G 31G 63G 34% /media/ms/Films Here, you can see that "TEST" was mounted under "/media/abc/TEST". When I try to access the already mounted partition named '/media/abc/TEST" in my "ms" session I'm getting the following error. How to fix this error? Is it a bug? Is there any way to fix this without modifying the underlying file-system structure?

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  • Tracking Redirects Leading to your site

    - by Bill
    Is there a way in which I can find out if a user arrived at my site via a redirect? Here's an example: There are two sites, first.com & second.com. Any request to first.com will do a 302 redirect to second.com. When the request at second.com arrives, is there anyway to know it was redirected from first.com? Note that in this example you have no control over first.com. (In fact, it could be something bad, like kiddieporn.com.) Also note, because it is a redirect, it will not be in the HTTP referrer header.

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  • FREE goodies if you are a UK based software house already live on the Windows Azure Platform

    - by Eric Nelson
    In the UK we have seen some fantastic take up around the Windows Azure Platform and we have lined up some great stuff in 2011 to help companies fully exploit the Cloud – but we need you to tell us what you are up to! Once you tell us about your plans around Windows Azure, you will get access to FREE benefits including email based developer support and free monthly allowance of Windows Azure, SQL Azure and AppFabric from Jan 2011 – and more! (This offer is referred to as Cloud Essentials and is explained here) And… we will be able to plan the right amount of activity to continue to help early adopters through 2011. Step 1: Sign up your company to Microsoft Platform Ready (you will need a windows live id to do this) Step 2: Add your applications For each application, state your intention around Windows Azure (and SQL etc if you so wish) Step 3: Verify your application works on the Windows Azure Platform Step 4 (Optional): Test your application works on the Windows Azure Platform Download the FREE test tool. Test your application with it and upload the successful results. Step 5: Revisit the MPR site in early January to get details of Cloud Essentials and other benefits P.S. You might want some background on the “fantastic take up” bit: We helped over 3000 UK companies deploy test applications during the beta phase of Windows Azure We directly trained over 1000 UK developers during 2010 We already have over 100 UK applications profiled on the Microsoft Platform Ready site And in a recent survey of UK ISVs you all look pretty excited around Cloud – 42% already offer their solution on the Cloud or plan to.

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  • How to refactor a myriad of similar classes

    - by TobiMcNamobi
    I'm faced with similar classes A1, A2, ..., A100. Believe it or not but yeah, there are roughly hundred classes that almost look the same. None of these classes are unit tested (of course ;-) ). Each of theses classes is about 50 lines of code which is not too much by itself. Still this is way too much duplicated code. I consider the following options: Writing tests for A1, ..., A100. Then refactor by creating an abstract base class AA. Pro: I'm (near to totally) safe by the tests that nothing goes wrong. Con: Much effort. Duplication of test code. Writing tests for A1, A2. Abstracting the duplicated test code and using the abstraction to create the rest of the tests. Then create AA as in 1. Pro: Less effort than in 1 but maintaining a similar degree of safety. Con: I find generalized test code weird; it often seems ... incoherent (is this the right word?). Normally I prefer specialized test code for specialized classes. But that requires a good design which is my goal of this whole refactoring. Writing AA first, testing it with mock classes. Then inheriting A1, ..., A100 successively. Pro: Fastest way to eliminate duplicates. Con: Most Ax classes look very much the same. But if not, there is the danger of changing the code by inheriting from AA. Other options ... At first I went for 3. because the Ax classes are really very similar to each other. But now I'm a bit unsure if this is the right way (from a unit testing enthusiast's perspective).

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  • What is a Coding Dojo?

    - by huwyss
    Recently i found out that there is a thing called "coding dojo". The point behind it is that software developers want to have a space to learn new stuff like processes, methods, coding details, languages, and whatnot in an environment without stress. Just for fun. No competition. No results required. No deadlines.Some days ago I joined the Zurich coding dojo. We were three programmers with different backgrounds.We gave ourselves the task to develop a method that takes an input value and returns its prime factors. We did pair programming and every few minutes we switched positions. We used test driven development. The chosen programming language was Ruby.I haven't really done TDD before. It was pretty interesting to see the algorithm develop following the testcases.We started with the first test input=1 then developed the most simple productive program that passed this very first test. Then we added the next test input=2 and implemented the productive code. We kept adding tests and made sure all tests are passed until we had the general solution.When we improved the performance of our code we saw the value of the tests we wrote before. Of course our first performance improvement broke several tests.It was a very interesting experience to see how other developers think and how they work. I will participate at the dojo again and can warmly recommend it to anyone. There are  coding dojos all over the world.Have fun!

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  • How to add delay in autologin

    - by raj
    I enabled autologin in my system (CentOS 6.2) for that I edited this file /etc/gdm/custom.conf In that I entered this code [daemon] AutomaticLoginEnable=true AutomaticLogin=test Here test means one account name, for that account autologin is working but the problem is not possible to logout. That is because everytime while I logout it will go to gdm(graphical display manager) and there it Again checks for account test. It is available right so it will again login to same account. Here I want add delay, that means it should wait for sometime, If no one login to any other account, then only test account will log. how to add delay?

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  • Unknown C# keywords: params

    - by Chris Skardon
    Often overlooked, and (some may say) unloved, is the params keyword, but it’s an awesome keyword, and one you should definitely check out. What does it do? Well, it lets you specify a single parameter that can have a variable number of arguments. You what? Best shown with an example, let’s say we write an add method: public int Add(int first, int second) { return first + second; } meh, it’s alright, does what it says on the tin, but it’s not exactly awe-inspiring… Oh noes! You need to add 3 things together??? public int Add(int first, int second, int third) { return first + second + third; } oh yes, you code master you! Overloading a-plenty! Now a fourth… Ok, this is starting to get a bit ridiculous, if only there was some way… public int Add(int first, int second, params int[] others) { return first + second + others.Sum(); } So now I can call this with any number of int arguments? – well, any number > 2..? Yes! int ret = Add(1, 2, 3); Is as valid as: int ret = Add(1, 2, 3, 4); Of course you probably won’t really need to ever do that method, so what could you use it for? How about adding strings together? What about a logging method? We all know ToString can be an expensive method to call, it might traverse every node on a class hierarchy, or may just be the name of the type… either way, we don’t really want to call it if we can avoid it, so how about a logging method like so: public void Log(LogLevel level, params object[] objs) { if(LoggingLevel < level) return; StringBuilder output = new StringBuilder(); foreach(var obj in objs) output.Append((obj == null) ? "null" : obj.ToString()); return output; } Now we only call ‘ToString’ when we want to, and because we’re passing in just objects we don’t have to call ToString if the Logging Level isn’t what we want… Of course, there are a multitude of things to use params for…

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  • Tomcat + Spring + CI workflow

    - by ex3v
    We're starting our very first project with Spring and java web stack. This project will be mainly about rewriting quite large ERP/CRM from Zend Framework to Java. Important factor in my question is that I come from php territory, where things (in terms of quality) tend to look different than in java world. Fatcs: there will be 2-3 developers, at least one of developers uses Windows, rest uses Linux, there is one remote linux-based machine, which should handle test and production instances, after struggling with buggy legacy code, we want to introduce good programming and development practices (CI, tests, clean code and so on) client: internal, frequent business logic changes, scrum, daily deployments What I want to achieve is good workflow on as many development stages as possible (coding - commiting - testing - deploying). The problem is that I've never done this before, so I don't know what are best practices to do this. What I have so far is: developers code locally, there is vagrant instance on every development machine, managed by puppet. It contains the same linux, jenkins and tomcat versions as production machine, while coding, developer deploys to vagrant machine, after local merge to test branch, jenkins on vagrant handles tests, when everything is fine, developer pushes commits and merges jenkins on remote machine pulls commit from test branch, runs tests and so on, if everything looks green, jenkins deploys to test tomcat instance Deployment to production is manual (altough it can be done using helping scripts) when business logic is tested by other divisions and everything looks fine to client. Now, the real question: does above make any sense? Things that I'm not sure about: Remote machine: won't there be any problems with two (or even three, as jenkins might need one) instances of same app on tomcat? Using vagrant to develop on php environment is just vise. Isn't this overkill while using Tomcat? I mean, is there higher probability that tomcat will act the same on every machine? Is there sense of having local jenkins on vagrant?

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  • iis7 .net webservice 404 error

    - by agilenoob
    I have a webservice /test/Service1.asmx in the same folder as a page /test/test.aspx. The page works fine but I get the message bellow for the services in the same location. I know the file is there and the url is correct, and I have added the script module and managed handler as well. If anyone knows what I'm missing here I'd appreciate it Server Error in '/' Application. The resource cannot be found. Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly. Requested URL: /test/Service1.asmx Version Information: Microsoft .NET Framework Version:2.0.50727.4200; ASP.NET Version:2.0.50727.4016 FAILED REQUEST LOG: ModuleName ManagedPipelineHandler Notification 128 HttpStatus 404 HttpReason Not Found HttpSubStatus 0 ErrorCode 0 ConfigExceptionInfo Notification EXECUTE_REQUEST_HANDLER ErrorCode The operation completed successfully. (0x0)

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