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• Triple monitor setting in Linux with USB-HDMI adapter

  - by Oscar Carballal

  I'm trying to set up a triple monitor desktop at my office using Fedora 17, but it seems impossible, let me explain the setting: Laptop ASUS K53SD with 2 graphic cards, Intel and nVidia (Screen controled by Intel card) 24" Full HD monitor connected to the HDMI output (controlled by Intel card) 23" Full HD monitor connected to an USB-HDMI adapter (via framebuffer in /dev/fb2, apparently) VGA output (not used) controlled by nVidia card First of all, the USB-HDMI adapter works perfectly, it gives me a green screen (which means the communication is OK) and I can make it work if I set up a single monitor setting via framebuffer in Xorg. Here I leave the page where I got the instructions: http://plugable.com/2011/12/23/usb-graphics-and-linux Now I'm trying to set up the the two main monitors (laptop and 24") with the intel driver and the 23" with the framebuffer, but the most succesful configuration I get is the two main monitors working and the third disconnected. Do you have any idea what can I do to make this work? Here I leave my xRandr output and my Xorg conf: -> xrandr Screen 0: minimum 320 x 200, current 3286 x 1080, maximum 8192 x 8192 LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 193mm 1366x768 60.0*+ 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA2 disconnected (normal left inverted right x axis y axis) HDMI1 connected 1920x1080+1366+0 (normal left inverted right x axis y axis) 531mm x 299mm 1920x1080 60.0*+ 50.0 25.0 30.0 1680x1050 59.9 1680x945 60.0 1400x1050 74.9 59.9 1600x900 60.0 1280x1024 75.0 60.0 1440x900 75.0 59.9 1280x960 60.0 1366x768 60.0 1360x768 60.0 1280x800 74.9 59.9 1152x864 75.0 1280x768 74.9 60.0 1280x720 50.0 60.0 1440x576 25.0 1024x768 75.1 70.1 60.0 1440x480 30.0 1024x576 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 720x576 50.0 848x480 60.0 720x480 59.9 640x480 72.8 75.0 66.7 60.0 59.9 720x400 70.1 DP1 disconnected (normal left inverted right x axis y axis) 1920x1080_60.00 60.0 The Xorg file: # Xorg configuration file for using a tri-head display Section "ServerLayout" Identifier "Layout0" Screen 0 "HDMI" 0 0 Screen 1 "USB" RightOf "HDMI" Option "Xinerama" "on" EndSection ########### MONITORS ################ Section "Monitor" Identifier "USB1" VendorName "Unknown" ModelName "Acer 24as" Option "DPMS" EndSection Section "Monitor" Identifier "HDMI1" VendorName "Unknown" ModelName "Acer 23SH" Option "DPMS" EndSection ########### DEVICES ################## Section "Device" Identifier "Device 0" Driver "intel" BoardName "GeForce" BusID "PCI:0:02:0" Screen 0 EndSection Section "Device" Identifier "USB Device 0" driver "fbdev" Option "fbdev" "/dev/fb2" Option "ShadowFB" "off" EndSection ############## SCREENS ###################### Section "Screen" Identifier "HDMI" Device "Device 0" Monitor "HDMI1" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection Section "Screen" Identifier "USB" Device "USB Device 0" Monitor "USB1" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection

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• Numbered paragraphs in Word 2007

  - by Kit

  I have the following styles defined in Word 2007. They all have outline levels 1-6. They also correctly show up in the Table of Contents (not all, I only set the TOC up to Level 3). 1 Heading 1 1.1 Heading 2 1.1.1 Heading 3 1.1.1.1 Heading 4 1.1.1.1.1 Heading 5 1.1.1.1.1.1 Heading 6 This is what I want 1 Heading 1 1.1 Body text under Heading Level 1 1.2 Body text under Heading Level 1 2 Heading 1 2.1 Heading 2 2.1.1 Body text under Heading Level 2 2.1.2 Body text under Heading Level 2 2.1.3 Body text under Heading Level 2 2.2 Heading 2 2.2.1 Body text under Heading Level 2 2.2.2 Body text under Heading Level 2 How do I make two list sequences link to each other? Here's a {fill in the blanks} illustration: {section number} Heading 1 {section number}.{clause number} Body text under Heading Level 1 {section number}.{clause number} Body text under Heading Level 1 The example above should expand to: 1 Heading 1 1.1 Body text under Heading Level 1 1.2 Body text under Heading Level 1 Another example: {section number} Heading 1 {section number}.{subsection number} Heading 2 {section number}.{subsection number}.{clause number} Body text under Heading Level 2 {section number}.{subsection number}.{clause number} Body text under Heading Level 2 should expand to: 2 Heading 1 2.1 Heading 2 2.1.1 Body text under Heading Level 2 2.1.2 Body text under Heading Level 2 2.1.3 Body text under Heading Level 2 The numbered body text paragraphs shouldn't show up the Table of Contents. I couldn't find the right way to do that, whether in multilevel lists, fields, styles, etc. How do I do it right?

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• How to enable IPv6 glue records (AAAA) in PowerDNS

  - by aef

  I'm running a PowerDNS 3.1 on a Debian Wheezy Beta 4 system. The zone data is accessed through a PostgreSQL database, the server answers to both IPv4 and IPv6 queries. If the DNS-Server knows the A record for one of the name servers referenced by NS records on a zone, it automatically return these A records as additional information to the response on an NS query for that zone. Now even if it knows the AAAA record for one of the name servers of the NS records, it currently does never return an AAAA record as additional information. How can I enable this? Or is there anything I could be doing wrong? Output of dig @ns.mydomain.tld NS mydomain.tld: ;; QUESTION SECTION: ;mydomain.tld. IN NS ;; ANSWER SECTION: mydomain.tld. 86400 IN NS ns3.nsprovider.de. mydomain.tld. 86400 IN NS ns2.nsprovider.de. mydomain.tld. 86400 IN NS ns.mydomain.tld. mydomain.tld. 86400 IN NS ns.nsprovider.de. ;; ADDITIONAL SECTION: ns2.nsprovider.de. 86400 IN A 1.2.3.1 ns.nsprovider.de. 86400 IN A 1.2.3.2 ns.mydomain.tld. 600 IN A 192.0.2.194 ns3.nsprovider.de. 86400 IN A 1.2.3.3 Output of dig @ns.mydomain.tld A ns.mydomain.tld: ;; QUESTION SECTION: ;ns.mydomain.tld. IN A ;; ANSWER SECTION: ns.mydomain.tld. 600 IN A 192.0.2.194 Output of dig @ns.mydomain.tld AAAA ns.mydomain.tld: ;; QUESTION SECTION: ;ns.mydomain.tld. IN AAAA ;; ANSWER SECTION: ns.mydomain.tld. 86400 IN AAAA 2001:db8:100:3022:1::3

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• Show underlying applications mouse cursor when hovering over visible section of my application.

  - by Dylan Vester

  I am writing a WPF application that allows the user to draw over the entire screen when the right mouse button is held down. I use a full screen transparent overlay form to achieve this, however, as I draw lines with the mouse, what's happening is that the portion of my window that contains the line is becoming visible (as expected). The undesired effect of this is that if the line is over a part of another application such as a textbox, or hyperlink, this changes the cursor back to the default cursor my my app (arrow), instead of the other applications desired cursor (IBeam). I want my overlay to be seamless to the user, and just show their drawing path, rather than have any interaction with the mouse cursor. See my example below:

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• WCF configuration file: why do we need clientBaseAddress in Binding section?

  - by Captain Comic

  Hi, There are three sections in WCF configuration for service client: Look at bindings = clientBaseAddress Why do we need to specify callback address? Is this field required? Why .NET is unable to determine the address of client? Does it mean that i can specify callback service that is located on some other machine? <configuration> <system.serviceModel> <client> <endpoint address= </client> <bindings> <wsDualHttpBinding> <binding name= clientBaseAddress= maxBufferPoolSize="2147483647" maxReceivedMessageSize="2147483647" </binding> </wsDualHttpBinding> </bindings> <behaviors> <endpointBehaviors> <behavior name=> </behavior> </endpointBehaviors> </behaviors> </system.serviceModel>

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• Windows DNS Server 2008 R2 fallaciously returns SERVFAIL

  - by Easter Sunshine

  I have a Windows 2008 R2 domain controller which is also a DNS server. When resolving certain TLDs, it returns a SERVFAIL: $ dig bogus. ; <<>> DiG 9.8.1 <<>> bogus. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 31919 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;bogus. IN A I get the same result for a real TLD like com. when querying the DC as shown above. Compare to a BIND server that is working as expected: $ dig bogus. @128.59.59.70 ; <<>> DiG 9.8.1 <<>> bogus. @128.59.59.70 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 30141 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;bogus. IN A ;; AUTHORITY SECTION: . 10800 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2012012501 1800 900 604800 86400 ;; Query time: 18 msec ;; SERVER: 128.59.59.70#53(128.59.59.70) ;; WHEN: Wed Jan 25 14:09:14 2012 ;; MSG SIZE rcvd: 98 Similarly, when I query my Windows DNS server with dig . any, I get a SERVFAIL but the BIND servers return the root zone as expected. This sounds similar to the issue described in http://support.microsoft.com/kb/968372 except I am using two forwarders (128.59.59.70 from above as well as 128.59.62.10) and falling back to root hints so the preconditions to expose the issue are not the same. Nevertheless, I also applied the MaxCacheTTL registry fix as described and restarted DNS and the whole server as well but the problem persists. The problem occurs on all domain controllers in this domain and has occurred since half a year ago, even though the servers are getting automatic Windows updates. EDIT Here is a debug log. The client is 160.39.114.110, which is my workstation. 1/25/2012 2:16:01 PM 0E08 PACKET 000000001EA6BFD0 UDP Rcv 160.39.114.110 2e94 Q [0001 D NOERROR] A (5)bogus(0) UDP question info at 000000001EA6BFD0 Socket = 508 Remote addr 160.39.114.110, port 49710 Time Query=1077016, Queued=0, Expire=0 Buf length = 0x0fa0 (4000) Msg length = 0x0017 (23) Message: XID 0x2e94 Flags 0x0100 QR 0 (QUESTION) OPCODE 0 (QUERY) AA 0 TC 0 RD 1 RA 0 Z 0 CD 0 AD 0 RCODE 0 (NOERROR) QCOUNT 1 ACOUNT 0 NSCOUNT 0 ARCOUNT 0 QUESTION SECTION: Offset = 0x000c, RR count = 0 Name "(5)bogus(0)" QTYPE A (1) QCLASS 1 ANSWER SECTION: empty AUTHORITY SECTION: empty ADDITIONAL SECTION: empty 1/25/2012 2:16:01 PM 0E08 PACKET 000000001EA6BFD0 UDP Snd 160.39.114.110 2e94 R Q [8281 DR SERVFAIL] A (5)bogus(0) UDP response info at 000000001EA6BFD0 Socket = 508 Remote addr 160.39.114.110, port 49710 Time Query=1077016, Queued=0, Expire=0 Buf length = 0x0fa0 (4000) Msg length = 0x0017 (23) Message: XID 0x2e94 Flags 0x8182 QR 1 (RESPONSE) OPCODE 0 (QUERY) AA 0 TC 0 RD 1 RA 1 Z 0 CD 0 AD 0 RCODE 2 (SERVFAIL) QCOUNT 1 ACOUNT 0 NSCOUNT 0 ARCOUNT 0 QUESTION SECTION: Offset = 0x000c, RR count = 0 Name "(5)bogus(0)" QTYPE A (1) QCLASS 1 ANSWER SECTION: empty AUTHORITY SECTION: empty ADDITIONAL SECTION: empty Every option in the debug log box was checked except "filter by IP". By contrast, when I query, say, accounts.google.com, I can see the DNS server go out to its forwarder (128.59.59.70, for example). In this case, I didn't see any packets going out from my DNS server even though bogus. was not in the cache (the debug log was already running and this is the first time I queried this server for bogus. or any TLD). It just returned SERVFAIL without consulting any other DNS server, as in the Microsoft KB article linked above.

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• ASP.NET How to use WebConfigurationManager to get section from Specific config file?

  - by Taylor

  Hi folks: I am trying to get sections from specific .config file such like "my.config". WebConfigurationManager.OpenWebConfiguration can get the web.config in specific path. Maybe WebConfigurationManager.OpenMappedWebConfiguration can reach my purpose. Can anyone share experience?

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• One repository per table or one per functional section?

  - by Ian Roke

  I am using ASP.NET MVC 2 and C# with Entity Framework 4.0 to code against a normalised SQL Server database. A part of my database structure contains a table of entries with foreign keys relating to sub-tables containing drivers, cars, engines, chassis etc. I am following the Nerd Dinner tutorial which sets up a repository for dinners which is fair enough. Do I do one for drivers, one for engines, one for cars and so on or do I do one big one for entries? Which is the best practise for this type of work? I am still new to this method of coding.

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• Visual Studio 2010 shortcut to select word / expression / line / section / method?

  - by Lernkurve

  There is a shortcut Ctrl+Shift+W to select the entire word at the current cursor position. Is there a similar shortcut that keeps expanding the selected region every time I apply it? I mean, is there a shortcut which selects the word when applied once (same as Ctrl+Shift+W) and selects the entire line when applied twice in a row and selects the entire block when applied three times etc., i.e. keeps expanding the selected region step by step? I remember seeing such a shortcut, but I don't remember whether it was for Visual Studio or some other editor.

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• How do I blur (ios7 style) a section of an image in a UITableViewCell?

  - by George McKibbin

  I've got a UIImageView that takes up the whole cell and shows an image. I'd like to blur the bottom third of the view in the iOS7 style (we're targeting iOS7). There will be a label over the blurred part. The issue seems to be that I can't "screenshot" the UIImageView right as I am setting up the cell in tableView:cellForRowAtIndexPath: as it hasn't loaded yet. Although i've even tried setting up a timer for a 0.1 second delay and that also doesn't work. I've tried the stuff on http://damir.me/posts/ios7-blurring-techniques I've tried https://github.com/justinmfischer/7blur I'd like to use the new screenshotting API drawViewHierarchyInRect:afterScreenUpdates: I'd also like to use apple's sample code UIImage+ImageEffects The only thing that has worked so far has been to just put a UIToolbar in but the performance is really slow. I don't need dynamic updates. I've managed to get the following effect a few times but it has just tinted the view and hasn't actually blurred anything so I'm a bit confused.

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• C# Find and Replace a section of a string with wildcard type search using RegEx (while retaining som

  - by fraXis

  Hello, I am trying to replace some text in a string with different text while retaining some of the text and I am having trouble doing it. My code is: StreamReader reader = new StreamReader(fDialog.FileName.ToString()); string content = reader.ReadToEnd(); reader.Close(); /Replace M2 with M3 (this works fine) content = Regex.Replace(content, "M2", "M3"); I want to replace a string that contains this: Z0.1G0H1E1 and turn it into: G54G43Z.1H1M08 (Note the Z value and the H value contain the same numeric value before the text change) The trouble I am having is that when I replace the values, I need to retain the H value and the Z value from the first set of text. For example, Z0.5G0H5E1 I need to add the new text, but also add the H5 and Z0.5 back into the text such as: G54G43Z0.5H5M08 But the Z values and H values will be different every time, so I need to capture those values and reinsert them back into the string when add the new G54G43 values. Can someone please show me how to do this using Regex.Replace? Thanks so much, Shawn

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• Does it make a difference whether I put 'friend class xxxxx' in the public or private section?

  - by Kyle

  class A1 { public: friend class B; } class A2 { private: friend class B; } Any difference?

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• SCJP Book, IO section: Is this a typo or is there a reason it would look like this?

  - by iamchuckb

  My question is about line 4, where the new PrintWriter is created with the constructor taking the FileWriter fw as a parameter. I don't understand the use of chaining the BufferedWriter bw to FileWriter if it isn't used later on in the actual writing. Can Java apply chaining in a way that bw still somehow affects the rest of the program? 16. try { 17. FileWriter fw = new FileWriter(test); 18. BufferedWriter bw = new BufferedWriter(fw, 1024); 19. PrintWriter out = new PrintWriter(fw); 20. out.println("<html><body><h1>"); 21. out.println(args[0]); 22. out.println("</h1></body></html>"); 23. out.close(); 24. bw.close(); 25. fw.close(); 26. }catch(IOException e) { 27. e.printStackTrace(); 28. } I think it is probably a typo and they meant to use bw as the parameter for PrintWriter out but like the title says, I'm new to this. Thanks to all in advance.

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• How to do live update on section of page?

  - by Khou

  I need to refresh sections of my page to update when there is new data! what do i do? use jquery? examples:

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• PHP/MySQL: How to create a comment section in your website.

  - by Sam

  Instead of asking 'how to use PHP/MySQL to let users affect webpages' I'll ask this, because I learn better from projects and examples. So how would I incorporate a VERY basic comment feature using PHP and MySQL?

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• What category of combinatorial problems appear on the logic games section of the LSAT?

  - by Merjit

  There's a category of logic problem on the LSAT that goes like this: Seven consecutive time slots for a broadcast, numbered in chronological order I through 7, will be filled by six song tapes-G, H, L, O, P, S-and exactly one news tape. Each tape is to be assigned to a different time slot, and no tape is longer than any other tape. The broadcast is subject to the following restrictions: L must be played immediately before O. The news tape must be played at some time after L. There must be exactly two time slots between G and P, regardless of whether G comes before P or whether G comes after P. I'm interested in generating a list of permutations that satisfy the conditions as a way of studying for the test and as a programming challenge. However, I'm not sure what class of permutation problem this is. I've generalized the type problem as follows: Given an n-length array A: How many ways can a set of n unique items be arranged within A? Eg. How many ways are there to rearrange ABCDEFG? If the length of the set of unique items is less than the length of A, how many ways can the set be arranged within A if items in the set may occur more than once? Eg. ABCDEF = AABCDEF; ABBCDEF, etc. How many ways can a set of unique items be arranged within A if the items of the set are subject to "blocking conditions"? My thought is to encode the restrictions and then use something like Python's itertools to generate the permutations. Thoughts and suggestions are welcome.

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• String Manipulation in Bash . . . Removing leading section

  - by Kyle Van Koevering

  This is probably a really stupid question...but how can I remove parts of a string up to a certain character? Ex.) If I have the string testFile.txt.1 and testFile.txt.12345 how can I remove the 1 and 12345? Thanks a lot for the help

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• How to specify number of headers in section UITableView.

  - by Mr. McPepperNuts

  if ([tempArray containsObject: [sectionInfo indexTitle]]) { return nil; }else { [tempArray addObject: [sectionInfo indexTitle]]; return [sectionInfo indexTitle]; } return [sectionInfo indexTitle]; The code above groups the cells in alphabetical order but displays a blank header instead of the appropriate title. Could this possibly be because I did not specify the number of headers? This would naturally be a single header for every letter in the alphabet.

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• What corresponds to the Unity 'registration name' in the unity configuration section?

  - by unanswered

  When registering and resolving types in a Unity Container using code you can use 'Registration Names' to disambiguate your references that derive from an interface or base class hierarchy. The 'registration name' text would be provided as a parameter to the register and resolve methods: myContainer.RegisterType<IMyService, CustomerService>("Customers"); and MyServiceBase result = myContainer.Resolve<MyServiceBase>("Customers"); However when I register types in the configuration files I do not see where the 'registration name' can be assigned I register an Interface: <typeAlias alias="IEnlistmentNotification" type="System.Transactions.IEnlistmentNotification, System.Transactions, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" /> Then two types that I happen to know implement that interface: <typeAlias alias="PlaylistManager" type="Sample.Dailies.Grid.Workers.PlaylistManager, Sample.Dailies.Grid.Workers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" /> <typeAlias alias="FlexAleManager" type="Sample.Dailies.Grid.Workers.FlexAleManager, Sample.Dailies.Grid.Workers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null" /> Then I provide mappings between the interface and the two types: <type type="IEnlistmentNotification" mapTo="FlexAleManager"><lifetime type="singleton"/></type> <type type="IEnlistmentNotification" mapTo="PlaylistManager"><lifetime type="singleton"/></type> That seems to correspond to this code: myContainer.RegisterType<IEnlistmentNotification, FlexAleManager>(); myContainer.RegisterType<IEnlistmentNotification, PlaylistManager>(); but clearly what I need is a disambiguating config entry that corresponds to this code: myContainer.RegisterType<IEnlistmentNotification, FlexAleManager>("Flex"); myContainer.RegisterType<IEnlistmentNotification, PlaylistManager>("Play"); Then when I get into my code I could do this: IEnlistmentNotification flex = myContainer.Resolve<IEnlistmentNotification>("Flex"); IEnlistmentNotification play = myContainer.Resolve<IEnlistmentNotification>("Play"); See what I mean? Thanks, Kimball

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• How do I play just a specific section of a video in a web page?

  - by Eugene M

  It there any way of displaying videos on a website that would allow me to show just a clip of a video without physically slicing the file into actual clips?

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• What annotation/property defines the wsdl:definitions section of a wsdl in Jaxb?

  - by MetroidFan2002

  We're using apache cxf 2.2.2 with JaxB and I need to change the wsdl:definitions name of an exported wsdl to something else. Does anyone know how I could change it, possibly via a JAXB annotation?

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• How do I move the tag section below the content in Drupal 6?

  - by Lloyd

  I have enabled taxonomies in the form of Tag, and I would like the tag field to show up below the content when users are editing the page. Where would I make that setting change?

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• How to capture a 'sub-section' of a URL in a rewrite rule?

  - by George Edison

  I know the title is a little bit strange, but here is what the URLs look like: /user/xxx/page /user/xxx/page?error=yyy The rule for the first URL looks something like this: RewriteRule ^user/(\d+)/page$ something.pl?id=$1 [L] And to make it work with the second URL, it becomes: RewriteRule ^user/(\d+)/page(error=\d+)?$ something.pl?id=$1 [L] My question is... how do I capture the error number? I tried both of these: RewriteRule ^user/(\d+)/page(error=(\d+))?$ something.pl?id=$1&error=$2 [L] RewriteRule ^user/(\d+)/page(error=(\d+))?$ something.pl?id=$1&error=$3 [L] But it isn't working... How can I do this?

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• Is it possible to easily modify the log4net section in the config file of several running applicatio

  - by mark

  Dear ladies and sirs. Our product consists of client, server and agents. Each deployed on different machines. The QA is having a hard time to manipulate the log4net sections in the respective config files. Right now, they have to have remote desktops to all the relevant machines and open notepad in each of them and then edit the files one at a time switching between different machines as they proceed. A real pain in the ass. Can anyone suggest a better solution to this problem? Thanks.

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• What's the simplest way to extract the last section of an IP address?

  - by Jon Cage

  I have an IP address which I want to grab the last chunk of as an integer. So from "192.168.1.150" I'd get 150. This is the code I'd concocted (I'm using C++/CLI), but somehow it feels rather clunky: String^ ipString = "192.168.1.150"; int lastDot = ipString->LastIndexOf('.'); int lastSection = int::Parse(ipString->Substring(lastDot, ipString->Length-lastDot)); Is there a simpler way of doing this?

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