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  • Bash: create anonymous fifo

    - by Adrian Panasiuk
    We all know mkfifo and pipelines. The first one creates a named pipe, thus one has to select a name, most likely with mktemp and later remember to unlink. The other creates an anonymous pipe, no hassle with names and removal, but the ends of the pipe get tied to the commands in the pipeline, it isn't really convenient to somehow get a grip of the file descriptors and use them in the rest of the script. In a compiled program, I would just do ret=pipe(filedes); in Bash there is exec 5<>file so one would expect something like "exec 5<> -" or "pipe <5 >6" -is there something like that in Bash?

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  • Call a function when "event.GetFrom(m_cpVoice)==S_OK" (ergo when event happens) [SAPI 5.1 and C++]

    - by Jesuskiewicz
    Hello, I'm doing a project with a 3D model, that speaks. So, I'm using SAPI 5.1, and I want to call a function asynchronously when there's a Viseme event (in order to play the animation related to). How could I do it? Thank you very much. Note: I use : hRes = m_cpVoice-Speak(L"All I want is to solve this problem", SPF_ASYNC , NULL); And I know the CspEvent, event.eEventId . All I want is how to call a function when Sapi event happens

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  • How to get/create anonymous method from TRttiMethod?

    - by Heinrich Ulbricht
    I want to handle a TRttiMethod as anonymous method. How could I do this? Here is a simplified example of how I wish things to work: Interface: TMyClass = class public // this method will be acquired via Rtti procedure Foo; // this method shall return above Foo as anonymous method function GetMethodAsAnonymous: TProc; end; Implementation: function TMyClass.GetMethodAsAnonymous: TProc; var Ctx: TRttiContext; RttiType: TRttiType; RttiMethod: TRttiMethod; begin Ctx := TRttiContext.Create; try RttiType := Ctx.GetType(Self.ClassType); RttiMethod := RttiType.GetMethod('Foo'); Result := ??????; // <-- I want to put RttiMethod here - but how? finally Ctx.Free; end; end;

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  • vim NERDTree shortcut to an existing function

    - by Ned Batchelder
    I want to use right-arrow to open a node in NERDtree. I see there is NERDTreeAddKeyMap, but I'm too much of a vimscript newb to know how to invoke it properly. I want right-arrow to invoke activateNode. I've done it by adding this line into NERD_tree.vim itself: exec "nnoremap <silent> <buffer> <Right> :call <SID>activateNode(0)<cr>" but I want to do it the right way in my .vimrc

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  • Successful login with iscsiadm on target still doesn't create block device

    - by Halfgaar
    I've set up an experiment to test iscsitarget and initiator, which at some point worked. Later, I turned the setup back on and much to my dismay, the initiator machine stopped making block devices for its successful logins. As far as I know, I haven't changed anything on either machine. Some details: # iscsiadm -m node --login Logging in to [iface: default, target: iqn.2010-12.nl.ytec.arbiter:arbiter.lun1, portal: 10.0.0.1,3260] Logging in to [iface: default, target: iqn.2010-12.nl.ytec.arbiter:arbiter.lun2, portal: 10.0.0.1,3260] Login to [iface: default, target: iqn.2010-12.nl.ytec.arbiter:arbiter.lun1, portal: 10.0.0.1,3260]: successful Login to [iface: default, target: iqn.2010-12.nl.ytec.arbiter:arbiter.lun2, portal: 10.0.0.1,3260]: successful Sessions: # iscsiadm -m session tcp: [3] 10.0.0.1:3260,1 iqn.2010-12.nl.ytec.arbiter:arbiter.lun1 tcp: [4] 10.0.0.1:3260,1 iqn.2010-12.nl.ytec.arbiter:arbiter.lun2 Netstat: # netstat -n -p|grep 3260 tcp 0 0 10.0.0.2:48719 10.0.0.1:3260 ESTABLISHED 1078/iscsid tcp 0 0 10.0.0.2:48718 10.0.0.1:3260 ESTABLISHED 1078/iscsid /var/log/syslog doesn't give errors: Jan 27 11:41:49 vmnode001 kernel: [ 378.041749] scsi7 : iSCSI Initiator over TCP/IP Jan 27 11:41:49 vmnode001 kernel: [ 378.044180] scsi8 : iSCSI Initiator over TCP/IP lsscsi doesn't show my devices: [0:0:1:0] cd/dvd TSSTcorp DVD-ROM TS-L333A D100 /dev/sr0 [4:0:0:0] disk ATA Hitachi HUA72105 A74A - [4:0:1:0] disk ATA Hitachi HUA72105 A74A - [4:1:0:0] disk Dell VIRTUAL DISK 1028 /dev/sda And there are no block devices in /dev for it: # ls -1 /dev/sd* /dev/sda /dev/sda1 /dev/sda2 /dev/sda3 /dev/sda4 I tried loading all scsi kernel modules I could find, but that doesn't seem to be the problem. I reall don't get this; it used to work. I found people with similar problems (here and here) but no solution. Initiator is Debian Sqeeuze (testing), target is Debian Lenny (stable). iscsitarget is 0.4.16+svn162-3.1+lenny1, open-iscsi (initiator) is 2.0.871.3-2squeeze1. Target kernel: 2.6.26-2-amd64, initiator kernel: 2.6.32-5-amd64

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  • Django view function design

    - by dragoon
    Hi, I have the view function in django that written like a dispatcher calling other functions depending on the variable in request.GET, like this: action = '' for act in ('view1', 'view2', 'view3', 'view4', ... ): if act in request.GET: action = act break ... if action == '': response = view0(request, ...) elif action == 'view1': response = view1(request, ...) elif action == 'view2': response = view2(request, ...) ... The global dispatcher function contains many variable initialization routines and these variables are then used in viewXX functions. So I feed that this is bad view design but I don't know how I can rewrite it?

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  • R how to find NA values after using addNA function

    - by screechOwl
    I have a data frame with a bunch of categorical variables. Some of them contain NA's and I use the addNA function to convert them to an explicit factor level. My problem comes when I try to treat them as NA's they don't seem to register. Here's my example data set and attempts to 'find' NA's: df1 <- data.frame(id = 1:200, y =rbinom(200, 1, .5), var1 = factor(rep(c('abc','def','ghi','jkl'),50))) df1$var2 <- factor(rep(c('ab c','ghi','jkl','def'),50)) df1$var3 <- factor(rep(c('abc','ghi','nop','xyz'),50)) df1[df1$var1 == 'abc','var1'] <- NA df1$var1 <- addNA(df1$var1) df1$isNaCol <- ifelse(df1$var1 == NA, 1, 0);summary(df1$isNaCol) df1$isNaCol <- ifelse(is.na(df1$var1), 1, 0);summary(df1$isNaCol) df1$isNaCol <- ifelse(df1$var1 == 'NA', 1, 0);summary(df1$isNaCol) df1$isNaCol <- ifelse(df1$var1 == '<NA>', 1, 0);summary(df1$isNaCol) Also when I type ??addNA I don't get any matches. Is this a gray-market function or something? Any suggestions would be appreciated.

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  • Why can't I create e-mails on CPanel ?

    - by samantha
    Hello, I have a nasty problem creating e-mails on a cpanel account, the creation form doesn't work (clicking on the buttons does nothing) and the sourcecode of the page has a weird http://petlieutenants.com/css/article1.php in it... The quota for the account is normal, all the other accounts are working fine. What can possibly be causing this ? Thanks for your ideas !

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  • Unable to create system partition or locate existing system partition during Windows-7 installation

    - by glenneroo
    I have Windows XP 32-bit installed on an ASUS A8N-SLI Deluxe with 2x 500gb drives in RAID1 using the NV RAID controller. On this there are 3 partitions (XP, XP backup and DATA) There are also 4x 500gb drives in RAID10 using the Silicon Image 3114R RAID controller. I just purchased a Windows 7 64-bit as an ISO download upgrade version which I promptly burned to DVD and attempted to perform an upgrade installation. Here is the error message I am getting: Firstly, where are these "Setup log files" located? Second, does this mean I need to find compatible (64-bit?) drivers for the Mainboard and put them on floppy? EDIT: As suggested on another forum, I tried downloading the nVidia Mainboard RAID drivers for Windows 2003 64-bit. I loaded the drivers successfully using the Load Driver button, but pressing NEXT still returns this error.

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  • FreeNX Server w/ nxagent 3.5 not able to create shadow sessions

    - by Jenna Whitehouse
    I am running a FreeNX server on Ubuntu 11.10 and am unable to do session shadowing. I get the authorization prompt, but the shadow client crashes after. The NX server log in the user's .nx directory is as follows: Error: Aborting session with 'Server is already active for display 3000 If this server is no longer running, remove /tmp/.X3000-lock and start again'. Session: Aborting session at 'Mon Oct 1 14:26:44 2012'. Session: Session aborted at 'Mon Oct 1 14:26:44 2012'. This then deletes the lock file, which is the lock file for the initial Unix session and crashes out. Everything works for a normal session, and shadowing works up to the authorization prompt. I am using this software: Ubuntu 11.10 freenx-server 0.7.3.zgit.120322.977c28d-0~ppa11 nx-common 0.7.3.zgit.120322.977c28d-0~ppa11 nxagent 1:3.5.0-1-2-0ubuntu1ppa8 nxlibs 1:3.5.0-1-2-0ubuntu1ppa8 Any help is appreciated, thanks!

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  • Failure to create keytab file using msktutil on Centos to W2K8

    - by user49321
    I'm trying to setup a centos 5.5 squid server to authenticate against a windows 2008 DC. I have followed the tutorial: http://serverfault.com/questions/66556/getting-squid-to-authenticate-with-kerberos-and-windows-2008-2003-7-xp However I have run into an issue. When I run the command: (Obviously changed for my enviroment) # msktutil -c -b "CN=COMPUTERS" -s HTTP/centos.dom.local -h centos.dom.local -k /etc/HTTP.keytab --computer-name centos-http --upn HTTP/centos.dom.local --server server.dom.local --verbose --enctypes 28 I get the following error (The whole message is too long to post here): Error: Unable to set machine password for centos: (3) Authentication error Error: set_password failed kinit works fine and the computer is added to the DC under COMPUTERS and SRV records created except no keytab is created.

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  • Unit Test to Run .sql script to SQL Create Database

    - by Lee Englestone
    Can anyone point me in the direction of how I could get a NUnit test to run a .sql file to Create / Setup a database. I know about the the TestFixtureSetUp and TestFixtureTearDown attributes / methods in NUnit. So I KNOW how to call methods before and after all or each unit tests. I'm just unsure of how to load and execute the contents of a .sql file agains a SQL Server 2005 database programatically. Any examples? This is part of our TDD / CI. We are wanting to create the database before and tear down the database after executing unit tests. Cheers, -- Lee

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  • Call a function by its name, given from string java

    - by Joao
    Hello, I would like to be able to call a function based on its name provided by a string. Something like public void callByName(String funcName){ this.(funcName)(); } I have searched a bit into lambda funcions but they are not supported. I was thinking about going for Reflection, but I am a bit new to programming, so I am not so familiar with the subject. This whole question was brought up on my java OOP class, when I started GUI (Swing, swt) programming, and events. I found that using object.addActionCommand() is very ugly, because I would later need to make a Switch and catch the exact command I wanted. I would rather do something like object.attachFunction(btn1_click), so that it would call the btn1_click function when the event click was raised. Thank you Joao

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  • Profiling statements inside a User-Defined Function

    - by Craig Walker
    I'm trying to use SQL Server Profiler (2005) to track down some application performance problems. One of the calls being made is to a table-valued user-defined function. This function wraps a select that joins several tables together. In SQL Server Profiler, the call to the UDF is logged. However, the select that underlies the UDF isn't being logged at all. Because of this, I'm not getting useful data on which tables & indexes are being hit. I'd like to feed this info into the Database Tuning Advisor for some indexing advice. Is there any way (short of unwrapping the queries themselves) to log the tables called by UDFs in Profiler?

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  • Error Message function

    - by jasmine
    I am trying to insert messages to a function function addMessage($item) { if ($result) { $message = '<p class="ok"> <span> Item added </span> </p> '; header("Refresh: 2; url=?page=$item"); } else{ $message = '<p class=not><span>There is an error blah blah</span></p>'; } return $message; } When I use it : addMessage('contents') it only returns to second condition. How can I fix this?

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  • added div does not recognize jquery function

    - by zurna
    I pull categories of one section from a XML. Problem is, pulled categories need to recognize tab plugin but they do not recognize it. I am not sure if I made sense, please let me know if I didnt make any sense. I will try to explain it again. :) $.ajax({ dataType: "xml", url: "/FLPM/content/home/index.cs.asp?Process=ViewVCategories", success: function(xml) { $(xml).find('row').each(function(){ var id = $(this).attr('id'); var CategoryName = $(this).find('CategoryName').text(); $("<div class='tab fleft'><a href='#'>"+ CategoryName + "</a></div>").appendTo("#VCategories"); }); } }); $("div.row-title").tabs("div.panes > div", {effect: 'ajax'}, function(i) { // get the pane to be opened var pane = this.getPanes().eq(i); // load it with a page specified in the tab's href attribute pane.html('<img src="http://www.refinethetaste.com/html/cp/images/loading.gif" alt="Loading..." />') .load(this.getTabs().eq(i).attr("href")); }); pulled categories displayed here: <div class="row-title clear" id="VCategories"> categories xml <rows> - <row id="1"> <CategoryName>Nation</CategoryName> </row> - <row id="2"> <CategoryName>Politics</CategoryName> </row> - <row id="3"> <CategoryName>Health</CategoryName> </row> - <row id="4"> <CategoryName>Business</CategoryName> </row> - <row id="5"> <CategoryName>Culture</CategoryName> </row> </rows> </div>

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  • Blocking a specific URL by IP (a URL create by mod-rewrite)

    - by Alex
    We need to block a specific URL for anyone not on a local IP (anyone without a 192.168.. address) We however cannot use apache's <Directory /var/www/foo/bar> Order allow,deny Allow from 192.168 </Directory> <Files /var/www/foo/bar> Order allow,deny Allow from 192.168 <Files> Because these would block specific files or directories, we need to block a specific URL which is created by mod-rewrite and the page is dynamically created using PHP. Any ideas would be greatly appreciated

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  • How do I create a Ghost Boot CD?

    - by Webs
    For a previous job, my boss wanted to keep using Ghost and didn't want to switch to Clonezilla (which I recommend) but wanted a way to Ghost all machines and even future ones from one disk or CD. So I need a Ghose Boot CD that not only clones all systems we have, but would be editable for future systems.

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  • pthread_create from non-static member function

    - by Stanislav Palatnik
    This is somewhat similiar to this : http://stackoverflow.com/questions/1151582/pthread-function-from-a-class But the function that's getting called in the end is referencing the this pointer, so it cannot be made static. void * Server::processRequest() { std::string tmp_request, outRequest; tmp_request = this->readData(); outRequest = this->parse(tmp_request); this->writeReply(outRequest); } void * LaunchMemberFunction(void * obj) { return ((Server *)obj)->processRequest(); } and then the pthread_create pthread_create(&handler[tcount], &attr, (void*)LaunchMemberFunction,(void*)&SServer); errors: SS_Twitter.cpp:819: error: invalid conversion from void* to void* ()(void) SS_Twitter.cpp:819: error: initializing argument 3 of int pthread_create(pthread_t*, const pthread_attr_t*, void* ()(void), void*)

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