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• Linux: Schedule command to run once after reboot (RunOnce equivalent)

  - by Christopher Parker

  I'd like to schedule a command to run after reboot on a Linux box. I know how to do this so the command consistently runs after every reboot with a @reboot crontab entry, however I only want the command to run once. After it runs, it should be removed from the queue of commands to run. I'm essentially looking for a Linux equivalent to RunOnce in the Windows world. In case it matters: $ uname -a Linux devbox 2.6.27.19-5-default #1 SMP 2009-02-28 04:40:21 +0100 x86_64 x86_64 x86_64 GNU/Linux $ bash --version GNU bash, version 3.2.48(1)-release (x86_64-suse-linux-gnu) Copyright (C) 2007 Free Software Foundation, Inc. $ cat /etc/SuSE-release SUSE Linux Enterprise Server 11 (x86_64) VERSION = 11 PATCHLEVEL = 0 Is there an easy, scriptable way to do this?

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• Don't understand the typing of Scala's delimited continuations (A @cps[B,C])

  - by jkff

  I'm struggling to understand what precisely does it mean when a value has type A @cps[B,C] and what types of this form should I assign to my values when using the delimited continuations facility. I've looked at some sources: http://lamp.epfl.ch/~rompf/continuations-icfp09.pdf http://www.scala-lang.org/node/2096 http://dcsobral.blogspot.com/2009/07/delimited-continuations-explained-in.html http://blog.richdougherty.com/2009/02/delimited-continuations-in-scala_24.html but they didn't give me much intuition into this. In the last link, the author tries to give an explicit explanation, but it is not clear enough anyway. The A here represents the output of the computation, which is also the input to its continuation. The B represents the return type of that continuation, and the C represents its "final" return type—because shift can do further processing to the returned value and change its type. I don't understand the difference between "output of the computation", "return type of the continuation" and "final return type of the continuation". They sound like synonyms.

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• Is there a Website Screenshot tool with command linx utility in linux?

  - by user11671

  I've looked through various such tools,but none of them are to be used in linux: http://mashable.com/2007/08/24/web-screenshots/

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• Keyboard Navigation of File Open Dialog in Windows 7

  - by dkusleika

  In Windows XP standard File - Open dialog, the top has a "Look In" box. I can press Alt+I to drop down a tree of the disks folders and easily navigate to other folders or network shares. In Windows 7, I can't seem to navigate the File - Open dialog as easily. The best I've been able to muster is to tab 5 times (in Excel 2007, but I assume it's a windows standard), then use arrow keys or use Alt+arrow keys like a browser to get around. It's simply not as good because I can't see the whole tree at once. Is there a way to see the whole folder tree? If not, do you have any other tips for keyboard navigation of the file open dialog in Windows 7?

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• Moving SharePoint 2010 to a new domain

  - by Chris

  I have a small SharePoint 2010 farm (1 WFE / App Server & 1 SQL server) Our organisation is currently mirgrating to our holding company's global domain, so we now have a new local DC on site with trusts between the current domain and the new domain. I am going to need to move our SP Farm to the new domain and possibly rename servers to fit into the global naming convention (we are trying to avoid this at the moment, but might become a requirement) If there a way to script (stsadm / powershell) the user profiles and permission accross to the new domain? and on the server side, is it as simple as joining the servers to the new domain and updating all the service / farm accounts to accounts on new domain? I have googled this a bit, but everything I have found so far refers to MOSS 2007 or earlier. Any help / advise would be appreciated.

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• Exchange 2003 Sending Double E-mails?

  - by Beuy

  Hello there, We have an exchange 2003 single-machine setup that is behaving very oddly. For various users it sends the same e-mail twice (I've checked the logs and each e-mail has a unique mail identifier which confirms that the problem is not the same e-mail being received twice, but it being sent twice) I've done a quick search and found tons of information regarding POP3/IMAP connectors etc, however these Employes are using Outlook 2003/2007 in Cached Mode. The Symantec AntiVirus for Mail is also not causing the issue, it's correctly scanning both e-mails coming through. Any ideas?

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• how to use SharePoint to manage work items (tasks)

  - by George2

  Hello everyone, I am using SharePoint 2007 Enterprise + Publishing portal template + Windows Server 2008. I want to utilize SharePoint to manage work items and I want to let gurus here to recommend me some good tutorials for newbie like me for this field (better through configuration ways, not through coding). My requirements are, Manager could assign task to workers, and manager could edit task description, due date; Workers could see the tasks assigned to them, and could update task execution status (may attach some documents); Manager could review all tasks assigned by the manager, and updates by workers; Better to have a calendar view with the tasks. thanks in advance, George

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• TFS and Sharepoint integration

  - by pho3nix

  I using a Sharepoint 2007 and TFS 2010. I installed all with reports sharepoint integration but when i try create a TeamProject Collections always return this warning: Server was unable to process request. --- TF250029: No user was found within the context of a Web site. Verify that the site does not allow anonymous access. And in sharepoint web applications tfs console window when check my sharepoint portal /sites return a error saying is blocked by firewall or server extensions is not installed, but i have all ok. Anyone can helpme, please.

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• Trying to add AddThis to multiple items through JavaScript

  - by Mantorok

  I have to add an AddThis chunk to a bunch of controls, the reason I'm doing this through JS is because the addthis: attributes cause XHTML validation errors, so I wrote a JS script that takes the control I want to add the html into and some other bits: function AddExternalLinks(control, url, title) { $(control).html("<div class'addthis_toolbox addthis_default_style'><a class='addthis_button_facebook'" + " addthis:url=" + url + " addthis:title=" + title + " addthis:description=" + title + "></a>" + "<a class='addthis_button_twitter' " + " addthis:url=" + url + " addthis:title=" + title + " addthis:description=" + title + "></a></div>" + "<script type='text/javascript' src='http://s7.addthis.com/js/250/addthis_widget.js#username=cornwallweb'></script>"); However this does not work, the html is added fine but the script fails with the following error: *c._Queuer is not a constructor [Break on this error] if(!window._ate){var _atd="www.addthis...(c) 2008, 2009, 2010 Add This, LLC / addthi...wallweb (line 2) Any ideas? Thanks

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• Finding X on Excel scatter plot/trend line

  - by Wilka

  If I have some data in an scatter plot in Excel, e.g. X Y 1 10 2 20 3 30 4 40 5 50 and I want to find the Y value for X = 10, or X=3.5, or whatever (obviously this is a simplified example) I've been doing the following: Add a trend-line to the scatter plot data Format the trend-line to one that fits the data (linear in this case) Display the equation for the trend-line on the chart Type the equation into an empty cell, replacing x with a cell reference. E.g. "=10*A1" then put my X value into the cell A1 Is there a better way of doing this with Excel? It's quite a few steps, and fairly repetitive. Or maybe Excel is just a poor choice of application for doing this? (I'm using Excel 2007)

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• NHibernate's automatic (dirty checking) update behaviour - turning it off

  - by Andrew Bullock

  I've just discovered that if I get an object from an NHibernate session and change a property on object, NHibernate will automatically update the object on commit without me calling Session.Update(myObj)! I can see how this could be helpful, but as default behaviour it seems crazy! How can I stop this happening? Is this default NHib behaviour or something coming from Fluent NHibs AutoPersistenceModel? If there's no way to stop this, what do I do? Unless I'm missing the point this behaviour seems to create a right mess, violating my UoW. Im using NHibernate 2.0.1.4 and a Fluent NHib build from 18/3/2009 Edit, is this guy right with his answer? Edit: I've also read that overriding an Event Listener could be a solution to this. However, IDirtyCheckEventListener.OnDirtyCheck isn't called in this situation. Does anyone know which listener I need to override? Thanks Andrew

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• LabVIEW: converting numeric array to string array

  - by JaysonFix

  Using LabVIEW 2009, I have a VI that outputs an array of U64 integers. I'd like the user to be able to perform discrete selection from among the elements of this array. I'm thinking of accomplishing this by programmatically populating a Menu Ring (as shown at http://digital.ni.com/public.nsf/allkb/FB0409491FAB16FA86256D08004FCE7E). However, I apparently need to convert my array of U64 ints to an array of strings, as it is an array of strings that is used to populate the Menu Ring. My question: how can I convert the array of U64 ints to an array of strings?

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• What is needed to get Delphi back on top?

  - by Jim McKeeth

  Delphi 2009 is due in the next couple months, which is its 12th release since Turbo Pascal became Delphi in 1995. Despite continued innovation it has not returned to its level of popularity before the Inprise fiasco. Many developers with Delphi backgrounds are moving to C# and many Delphi legacy applications are being rewritten in C#, despite the fact Delphi supports .NET and in many cases the existing application could be ported without rewriting. Is it just a losing battle to compete against Microsoft's tools on their platform? Is there something Code Gear / Delphi can do now that they are under new management to regain market share? What can enthusiasts do to help? Why do you do Delphi programming? or Why are you not doing Delphi programming?

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• Rotating an image in OneNote 2010

  - by Nathan DeWitt

  I scanned a brochure to PDF. It was portrait & should be landscape so I rotated the page in Acrobat and saved the PDF. I sent it to OneNote 2010 using the "printer", and it shows up in portrait mode in my OneNote file. I cannot find anyway to rotate the picture within OneNote 2010. I did find a link to an image rotator add-in for OneNote 2007, which installed for me but does not actually rotate the image. Has anyone solved this problem?

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• jQuery hoverIntent not working, but hover does

  - by kylex

  I have the following code: $(document).ready(function(){ $(".yearInner").hide(); $(".year", this).hover( function () { $(".yearInner", this).slideToggle(); } ); }); It hides the div with class yearInner, and then when the containing div with class year is hovered over, the yearInner div toggles on. Works fine, put I'd like to use the hoverIntent plug-in instead of hover. Doesn't work at all with hoverIntent. Suggestions? Div structure for reference: <div class="year"> 2009 <div class="yearInner"> More Info... </div> </div> <div class="year"> 2008 <div class="yearInner"> More Info... </div> </div>

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• How to preserve paragraph breaks when text copy from PDF and paset ito Notepad?

  - by metal gear solid

  For example when I copy text from PDF which has paragraph breaks like this xxxxx xxxxxx xxxxxxx xxxxxx xxxxxx xxxxxxxx xxxxxx x xxxx xx xxxx xxxx xxxxxxxxxxx x xxxxxxxx x x xxxxxxxxxxxxxx xxxx xxx xxxx xxxxxx xxxxx xxxxxx xxxxxxx xxxxxx xxxxxx xxxxxxxx xxxxxx x xxxx xx xxxx xxxx xxxxxxxxxxx x xxxxxxxx x x xxxxxxxxxxxxxx xxxx xxx xxxx xxxxxx but when i copy text from PDF and paste into Notepad, Word 2007 etc. output comes without paragraph breaks. Lke this xxxxx xxxxxx xxxxxxx xxxxxx xxxxxx xxxxxxxx xxxxxx x xxxx xx xxxx xxxx xxxxxxxxxxx x xxxxxxxx x x xxxxxxxxxxxxxx xxxx xxx xxxx xxxxxx xxxxx xxxxxx xxxxxxx xxxxxx xxxxxx xxxxxxxx xxxxxx x xxxx xx xxxx xxxx xxxxxxxxxxx x xxxxxxxx x x xxxxxxxxxxxxxx xxxx xxx xxxx xxxxxx How to preserve paragraph breaks when text copy from PDF and paset ito Notepad?

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• Upgrade AirPort on Macs to support Snow Leopard's Wake on Wireless/WLAN?

  - by wojo

  Snow Leopard now supports Wake on WLAN, but not all hardware supports this. For example, my Octo Mac Pro from early 2008 has an AirPort card, but it does not support this. Nor does my 2007 2.33GHz MacBook Pro. For reference to what is needed, look at http://www.macrumors.com/2009/08/28/a-closer-look-at-snow-leopards-wake-on-demand-feature/ which includes a screenshot of what the System Profiler should show. It's pretty hard to find Apple parts, but is it possible to put newer cards into these machines to have them support Wake on Wireless?

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• Looking for a text editor with navigation/categorization

  - by RadGH

  I've been looking for a text editor that automatically (or at least makes it easy to-) make some sort of navigation. Adobe Reader has this functionality with its bookmark system: Right now, though, I'm using Word 2007. For each section, I go Insert Bookmark, highlight the text, copy/paste the text as the link information, and it appears at the top of the document. I've made a macro to add bookmarks easier, but it's still pretty awful, and the bookmarks are still at the top of the page (rather than in the sidebar, where it's always accessible) Honestly, I would just prefer to write it in a PDF like in that screenshot. But any text editor with this type of functionality would work. It just needs basic formatting options, bold/font size, underline, images, maybe tables.

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• How to refresh open source software pkg manager on oldish OpenSolaris?

  - by Luke404

  I'm being presented with an OpenSolaris vps, actually a Solaris Container, which is based on SXCE snv_121 and is active since mid 2007: the good old Sun days, IIRC even before the Indiana stuff! For various reasons the system itself can't be rebuilt/upgraded but we can do whatever we want with the additional package manager on it. My Solaris skills and especially knowledge of the free package managers ecosystem is a bit rusty so I don't know what I can actually use while keeping the somewhat oldish base system. Currently there is pkg-get using some older Blastwave mirror, it has been used to install things such as Apache2, PHP, Python, Nagios. I would like to remove all the old rusty stuff and all of Blastwave, and start fresh with some newer package distribution. Can the current Blastwave system be used on that snv_121? Is there any better alternative still compatible with that system (eg. OpenCSW or anything else) ?

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• SQL UPDATE order of evaluation

  - by pilcrow

  What is the order of evaluation in the following query: UPDATE tbl SET q = q + 1, p = q; That is, will "tbl"."p" be set to q or q + 1? Is order of evaluation here governed by SQL standard? Thanks. UPDATE After considering Migs' answer, I ran some tests on all DBs I could find. While I don't know what the standard says, implementations vary. Given CREATE TABLE tbl (p INT NOT NULL, q INT NOT NULL); INSERT INTO tbl VALUES (1, 5); -- p := 1, q := 5 UPDATE tbl SET q = q + 1, p = q; I found the values of "p" and "q" were: database p q -----------------+---+--- Firebird 2.1.3 | 6 | 6 InterBase 2009 | 5 | 6 MySQL 5.0.77 | 6 | 6 Oracle XE (10g) | 5 | 6 PostgreSQL 8.4.2 | 5 | 6

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• How to get Virtual PC to recognize MIDI devices?

  - by bparker

  Hey all. I have an XP Pro virtual machine running inside Virtual PC 2007. My host machine is x64 Windows 7. I have a MIDI keyboard hooked up to my machine via a Turtle Beach USB to MIDI 1x1 cable. I have installed the driver and software on my host machine and ran a soundcheck, and everything appears to be working fine. Playback is sent to the MIDI device with no problems. However, when I attempt to install the driver and run a soundcheck in my XP virtual machine, the device is not found. Other USB devices (mouse, keyboard, flash drives) work fine in the virtual machine, but not they MIDI keyboard. I'm not sure what steps to take in order to troubleshoot the and get the VM to start recognizing the MIDI keyboard. Any help or suggestions would be greatly appreciated. Thanks.

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• arcserve vs backup exec vray

  - by Luigi

  I have to buy one backup software to backup a vmware environment with the following server/applications: mixed microsoft windows 2003/2008/2012 server standard environment sql server 2005/2008 mixed linux centos/ubuntu servers postgresql sap environment exchange 2007 linux fileservers windows fileservers active directory random applications/sqlserver/fileserver on workstations xp/7/8 my hardware is: 5 blades on ibm bladecenter, various san, lto4 on 4gbit fiber channel connected to a windows2003 blade where I will install the backup software (backupexec or arcserve). What are your advice and comments over backupexec vray or arcserve choice ? I know that arcserve have a lower price. I used backup exec for some years but I found it pretty complicated. Thank you.

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• Date and timezone using j2me

  - by joynes

  Hi everyone! I have a date string as input from an rss like: Wed, 23 Dec 2009 13:30:14 GMT I want to fetch only the time-part, but it should be correct according to the my timezone. Ie, in Sweden the output should be: 14:30:14 What is the best way? I want it to work with other RSS date formats as well if possible. Im using regexp right now but that is not very general. Im having a hard time finding any library or support for dates and timezones in j2me? /Br Johannes

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• UnauthorizedAccessException cannot resolve Directory.GetFiles failure

  - by Ric Coles

  Hi all, Directory.GetFiles method fails on the first encounter with a folder it has no access rights to. The method throws an UnauthorizedAccessException (which can be caught) but by the time this is done, the method has already failed/terminated. The code I am using is listed below: try { // looks in stated directory and returns the path of all files found getFiles = Directory.GetFiles(@directoryToSearch, filetype, SearchOption.AllDirectories); } catch (UnauthorizedAccessException) { } As far as I am aware, there is no way to check beforehand whether a certain folder has access rights defined. In my example, I'm searching on a disk across a network and when I come across a root access only folder, my program fails. I have searched for a few days now for any sort of resolve, but this problem doesn't seem to be very prevalent on here or Google. I look forward to any suggestions you may have, Regards

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• What Simple Changes Made the Biggest Improvements to Your Delphi Programs

  - by lkessler

  I have a Delphi 2009 program that handles a lot of data and needs to be as fast as possible and not use too much memory. What small simple changes have you made to your Delphi code that had the biggest impact on the performance of you program by noticeably reducing execution time or memory use? Thanks everyone for all your answers. Many great tips. For completeness, I'll post a few important articles on Delphi optimization that I found. Before you start optimizing Delphi code at About.com Speed and Size: Top 10 Tricks also at About.com Code Optimization Fundamentals and Delphi Optimization Guidelines at High Performance Delphi, relating to Delphi 7 but still very pertinent.

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