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• Can I ensure, using C#, that an X509Certificate was issued by a trusted authority?

  - by dommer

  If I use X509Certificate.CreateFromSignedFile to get the certificate used to sign a file, can I confirm that it was signed by a trusted authority - and isn't just a "self-signed" cert of some kind? I want to extract the "Subject" (company) name from the cert to ensure that an unmanaged DLL I'm using is unmolested (I can't checksum it as it's updated frequently and independently) and official. However, I'm concerned that a fake DLL could be signed with a "self-signed" cert and return the original company's name. So, I want to ensure the the cert was issued by Versign, Thwate or similar (anything installed on the cert repository on the machine will be fine). How can I do this, if at all, when using X509Certificate.CreateFromSignedFile? Or does it do this automatically (i.e. a "self-signed" cert will fail)?

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• Custom MediaStreamSource and MediaElement.Naturalduration property

  - by Tilo Skomudek

  i have written a custom mediastreamsource, that can play media from growing source files (mpeg transport streams). Once it reaches the end of its mediastream, it reads the new duration from the mediafile and continues to deliver samples. The MediaElement plays continously. Unfortunately i haven´t found a way to update the MediaElement.NaturalDuration property. Hence i cannot seek into the “reloaded” area, because ME doesn´t know about it and sets my position change to its NaturalDuration value. I tried to call ReportOpenMediaCompleted after getting the new stream length. Then Naturalduration get´s updated, but i cannot play anymore. Is there any other way to deal with it ?

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• Why is XHTML1.1 dated *before* XHTML1.0 ? What is the preferred XHTML today?

  - by Cheeso

  I'm not clear on the status of XHTML - v1.0 and v1.1. Can someone explain which is preferred at this point, and why? The specs from w3c say that XHTML 1.1 predates* XHTML 1.0, which is exactly counter-intuitive, to me. http://www.w3.org/TR/xhtml11/ - W3C Recommendation 31 May 2001 http://www.w3.org/TR/xhtml1/ - W3C Recommentation, updated 1 August 2002 Also, I noted earlier today that the latest version of htmltidy emits XHTML 1.0, when I request xhtml. Hmmm....Even though the XHTML 1.1 spec is 9 years old, it's still not supported by mainstream tools. That suggests that XHTML 1.1 is either completely unnecessary or spurious. Which one should I use if I am authoring pages today? What if I am building tools - should I bother to support both? Or do I need only one? Thanks.

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• How to autoscroll on WPF datagrid

  - by Christian

  Hi, I think I am stupid. I searched now for 15 minutes, and found several different solutions for scrolling on datagrids, but none seems to work for me. I am using WPF with .NET 3.5 and the WPF Toolkit DataGrid. My grid gets updated when my observable collection changes, works perfectly. Now, my DataGrid is located inside a normal Grid and scrollbars appear if the DataGrid gets to big. Also fine... And know, the 1.000.000 $ question: How do I get the datagrid to scroll to the last row. There is: no AutoScroll Property no CurrentRowSelected Index a CurrentCell, but no Collection I could use for CurrentCell = AllCells.Last Any ideas? I feel really stupid, and it seems strange that this question is so hard. What am I missing?

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• Embedded Glassfish - logging

  - by Walter White

  Hi all, I have migrated from log4j to logback and also am transitioning to Glassfish from Jetty. I haven't updated my logback configuration from what I had used with Jetty and consequently am not seeing any logs being written. What logging provider should I use? Should I just do my configuration with the Glassfish loggers in domain.xml? <access-log rotation-interval-in-minutes="15" rotation-suffix="yyyy-MM-dd"/> <log-service file="${com.sun.aas.instanceRoot}/logs/server.log" log-rotation-limit-in-bytes="2000000"> <module-log-levels/> </log-service> These are the defaults in domain.xml. I'd like to split the longs up into several files as well as control log level for each package. I think I can figure out how to configure them, but should I use Glassfish logging or can I use logback? Walter

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• Accessing native iPhone addressbook database and performing add and delete contacts?

  - by chaitanya

  Hi, In my application I need to implement the address book which should contains the native addressbook details, and the user should be able to add and delete from the address book and it should be updated in the native iphone addressbook. I read somewhere that the iphone native address book database is accesible. In documentation also I saw that addContact and Delete API's are exposed to addressbook. Can anyone please tell me how can I access the native AddressBook of the iphone, and.. how to add and delete contacts from the address book? Can anyone post the sample code for this?

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• Tomcat server (from XAMPP package) CANNOT BE started from Eclipse

  - by SkyEagle888

  I am using Windows 7. I installed Eclipse and updated to include WPT. HTTP Server and Tomcat are installed with XAMPP Package. They run properly and they can be accessed via localhost. But I found that tomcat server CANNOT BE STARTED. Eclipse always reports failed to start. at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:412) Caused by: java.lang.UnsatisfiedLinkError: org.apache.tomcat.jni.Pool.create(J)J at org.apache.tomcat.jni.Pool.create(Native Method) at org.apache.tomcat.util.net.AprEndpoint.init(AprEndpoint.java:589) at org.apache.coyote.http11.Http11AprProtocol.init(Http11AprProtocol.java:107) at org.apache.catalina.connector.Connector.initialize(Connector.java:1058) at org.apache.catalina.core.StandardService.initialize(StandardService.java:677) at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:795) at org.apache.catalina.startup.Catalina.load(Catalina.java:535) at org.apache.catalina.startup.Catalina.load(Catalina.java:555) ... 6 more* Is there anything that I can check ?

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• Multiple update panels and multiple postbacks cause entire page to refresh...

  - by Matt

  I'm having the same problem I had yesterday... The solution Aristos provided helped solve the problem, but I have other places sending updatepanel postbacks causing the same problem. When an update panel is updated and another request for an update is called before it has a chance to render the first updates, the entire page refreshes instead of just the update panel. I used fiddler to see what was going on and here's what happens... If I wait for the request to return before doing another request I get this: 21443|updatePanel|dnn_ctr1107_CRM_SalesTool_LeadsUpdatePanel| But if I don't wait, I get this: 66|pageRedirect||http://mysite.com/salesdashboard.aspx| The code from the previous question is still the same except I added UpdateMode="Conditional" to the update panel. Any ideas? Or is the only solution to this making sure that 2+ updates for any number of update panels (as long as they're on the same page) never happen? Thanks, Matt

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• Can I upgrade UIRequiredDeviceCapabilities from opengles-1 to opengles-2 in iOS app

  - by michael

  Hi I’m upgrading my app from cocos2d-x 1.x to 2.x that means change from OpenGLES 1.0 to 2.0, I've updated my Info.plist settings to reflect the change <key>UIRequiredDeviceCapabilities</key> <dict> <key>accelerometer</key> <true/> <key>opengles-2</key> <true/> </dict> Change from opengles-1 to opengles-2 But while installing application from XCode 4.5 GM (the older version was compiled with prevoius XCode) I receive error: Could not change executable permissions on the application

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• iPad Simulator WebView/Google Maps API Issue

  - by EagleOfToledo

  I've only recently updated XCode to 3.2.2 and started to play with the iPad simulator. I am having an issue with a WebView. I am using it to load a url with a Google Maps API implementation. The map loads and displays properly but when I try and click and drag on it to pan the map around instead of the map being panned the whole webview is scrolled vertically, revealing the dark grey background. When I release it it bounces back into place. Also when I hold the option key down to pinch the map it does not respond. If I load the map.google.com page the map pans just fine and is responsive, but not my one. No special code here, just the usual NSUrlRequest. It works fine in the iPhone simulator, but not the iPad simulator. User Interaction Enabled is also checked. Any thoughts on why this is happening?

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• publish XML using WCF

  - by khalil

  Hi, I want to publish some data as XML from a SQL Server database using a WCF service to a location on our content delivery network. (www.somelocation-on-cdn/myxml.xml) This data which is published as XML will have to be updated at an interval of time. I was thinking of writing a WCF service to return the data required, create a RSS reader to update / write the XML file to a location on the content delivery network. Is this approach correct? Can I use WCF REST instead of WCF SOAP As a further enhancement I want to be to use this WCF Service to make cross domain calls using JSONP from our website Thanks

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• wpf toolkit (Feb 2010) datagrid with MVVM - style reveals name of view model on 'spare column'

  - by Andy Clarke

  Hi, I've just updated my app with the latest WPF toolkit and I've now got an issue with my styling. When I bind some data with, for example, two columns to the grid, the spare area at the right shows the name of the ViewModel in the header. I can understand why, because the data grids data context is the ViewModel and I'm defining my header style as follows ... <WpfToolkit:DataGridHeaderBorder <Border BorderBrush="Blue" BorderThickness="0,1,0,0"> <TextBlock Text="{Binding}" Margin="4,0,4,0" /> </Border> </WpfToolkit:DataGridHeaderBorder> Do I now need a separate style for the 'spare column' or something? Can anyone assist please? Cheers, Andy

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• Loose coupling of COM in C# or How to avoid COMException 0x80040154

  - by user283318

  I have a .Net 2 C# application I am developing which uses a VB 6 generated COM DLL. The VB DLL is updated frequently any my application crashes with a System.Runtime.InteropServices.COMException (0x80040154). The part of the COM DLL I use does not change but the version (and CLSID) will. The "Specific Version" option for the reference is false. The WrapperTool is tlbimp. How do I tell my application not to worry about changes in the DLL? Is there any way of checking just the functions I am using?

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• How to invalidate a single data item in the .net cache in VB

  - by Craig

  I have the following .NET VB code to set and read objects in cache on a per user basis (i.e. a bit like session) '' Public Shared Sub CacheSet(ByVal Key As String, ByVal Value As Object) Dim userID As String = HttpContext.Current.User.Identity.Name HttpContext.Current.Cache(Key & "_" & userID) = Value End Sub Public Shared Function CacheGet(ByVal Key As Object) Dim returnData As Object = Nothing Dim userID As String = HttpContext.Current.User.Identity.Name returnData = HttpContext.Current.Cache(Key & "_" & userID) Return returnData End Function I use these functions to hold user data that I don't want to access the DB for all the time. However, when the data is updated, I want the cached item to be removed so it get created again. How do I make an Item I set disappear or set it to NOTHING or NULL? Craig

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• openvpn: after changing to server mode, client does not create TUN device

  - by lurscher

  i had a previously working configuration with the config files used in a previous question However, i've changed this now to the following configuration using server mode, everything on the logs seem fine, however the client doesn't create any tun interface, so i don't have anything to connect to, presumably, i need to add or push some route commands, but i don't have any idea at this point what i need to do. I am posting all my relevant configuration files server.conf: dev tun server 10.8.117.0 255.255.255.0 ifconfig-pool-persist ipp.txt tls-server dh /home/lurscher/keys/dh1024.pem ca /home/lurscher/keys/ca.crt cert /home/lurscher/keys/vpnCh8TestServer.crt key /home/lurscher/keys/vpnCh8TestServer.key status openvpn-status.log log openvpn.log comp-lzo verb 3 and client.conf: dev tun remote my.server.com tls-client ca /home/chuckq/keys/ca.crt cert /home/chuckq/keys/vpnCh8TestClient.crt key /home/chuckq/keys/vpnCh8TestClient.key ns-cert-type server ; port 1194 ; user nobody ; group nogroup status openvpn-status.log log openvpn.log comp-lzo verb 3 the server ifconfig shows a tun device: tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet addr:10.8.117.1 P-t-P:10.8.117.2 Mask:255.255.255.255 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) However the client ifconfig does not show any tun interface! $ ifconfig tun0 tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 POINTOPOINT NOARP MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) the client log says: Tue May 17 23:27:09 2011 OpenVPN 2.1.0 i686-pc-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] [MH] [PF_INET6] [eurephia] built on Jul 12 2010 Tue May 17 23:27:09 2011 IMPORTANT: OpenVPN's default port number is now 1194, based on an official port number assignment by IANA. OpenVPN 2.0-beta16 and earlier used 5000 as the default port. Tue May 17 23:27:09 2011 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts Tue May 17 23:27:09 2011 /usr/bin/openssl-vulnkey -q -b 1024 -m <modulus omitted> Tue May 17 23:27:09 2011 LZO compression initialized Tue May 17 23:27:09 2011 Control Channel MTU parms [ L:1542 D:138 EF:38 EB:0 ET:0 EL:0 ] Tue May 17 23:27:09 2011 TUN/TAP device tun0 opened Tue May 17 23:27:09 2011 TUN/TAP TX queue length set to 100 Tue May 17 23:27:09 2011 Data Channel MTU parms [ L:1542 D:1450 EF:42 EB:135 ET:0 EL:0 AF:3/1 ] Tue May 17 23:27:09 2011 Local Options hash (VER=V4): '41690919' Tue May 17 23:27:09 2011 Expected Remote Options hash (VER=V4): '530fdded' Tue May 17 23:27:09 2011 Socket Buffers: R=[114688->131072] S=[114688->131072] Tue May 17 23:27:09 2011 UDPv4 link local (bound): [undef] Tue May 17 23:27:09 2011 UDPv4 link remote: [AF_INET]192.168.0.101:1194 Tue May 17 23:27:09 2011 TLS: Initial packet from [AF_INET]192.168.0.101:1194, sid=8e8bdc33 f4275407 Tue May 17 23:27:09 2011 VERIFY OK: depth=1, /C=CA/ST=Out/L=There/O=Ubuntu/OU=Home/CN=Ubuntu_CA/name=lurscher/[email protected] Tue May 17 23:27:09 2011 VERIFY OK: nsCertType=SERVER Tue May 17 23:27:09 2011 VERIFY OK: depth=0, /C=CA/ST=Out/L=There/O=Ubuntu/OU=Home/CN=vpnCh8TestServer/name=lurscher/[email protected] Tue May 17 23:27:09 2011 Data Channel Encrypt: Cipher 'BF-CBC' initialized with 128 bit key Tue May 17 23:27:09 2011 Data Channel Encrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Tue May 17 23:27:09 2011 Data Channel Decrypt: Cipher 'BF-CBC' initialized with 128 bit key Tue May 17 23:27:09 2011 Data Channel Decrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Tue May 17 23:27:09 2011 Control Channel: TLSv1, cipher TLSv1/SSLv3 DHE-RSA-AES256-SHA, 1024 bit RSA Tue May 17 23:27:09 2011 [vpnCh8TestServer] Peer Connection Initiated with [AF_INET]192.168.0.101:1194 Tue May 17 23:27:10 2011 Initialization Sequence Completed the client status log: OpenVPN STATISTICS Updated,Tue May 17 23:30:09 2011 TUN/TAP read bytes,0 TUN/TAP write bytes,0 TCP/UDP read bytes,5604 TCP/UDP write bytes,4244 Auth read bytes,0 pre-compress bytes,0 post-compress bytes,0 pre-decompress bytes,0 post-decompress bytes,0 END and the server log says: Tue May 17 23:18:25 2011 OpenVPN 2.1.0 x86_64-pc-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] [MH] [PF_INET6] [eurephia] built on Jul 12 2010 Tue May 17 23:18:25 2011 IMPORTANT: OpenVPN's default port number is now 1194, based on an official port number assignment by IANA. OpenVPN 2.0-beta16 and earlier used 5000 as the default port. Tue May 17 23:18:25 2011 WARNING: --keepalive option is missing from server config Tue May 17 23:18:25 2011 NOTE: your local LAN uses the extremely common subnet address 192.168.0.x or 192.168.1.x. Be aware that this might create routing conflicts if you connect to the VPN server from public locations such as internet cafes that use the same subnet. Tue May 17 23:18:25 2011 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts Tue May 17 23:18:25 2011 Diffie-Hellman initialized with 1024 bit key Tue May 17 23:18:25 2011 /usr/bin/openssl-vulnkey -q -b 1024 -m <modulus omitted> Tue May 17 23:18:25 2011 TLS-Auth MTU parms [ L:1542 D:138 EF:38 EB:0 ET:0 EL:0 ] Tue May 17 23:18:25 2011 ROUTE default_gateway=192.168.0.1 Tue May 17 23:18:25 2011 TUN/TAP device tun0 opened Tue May 17 23:18:25 2011 TUN/TAP TX queue length set to 100 Tue May 17 23:18:25 2011 /sbin/ifconfig tun0 10.8.117.1 pointopoint 10.8.117.2 mtu 1500 Tue May 17 23:18:25 2011 /sbin/route add -net 10.8.117.0 netmask 255.255.255.0 gw 10.8.117.2 Tue May 17 23:18:25 2011 Data Channel MTU parms [ L:1542 D:1450 EF:42 EB:135 ET:0 EL:0 AF:3/1 ] Tue May 17 23:18:25 2011 Socket Buffers: R=[126976->131072] S=[126976->131072] Tue May 17 23:18:25 2011 UDPv4 link local (bound): [undef] Tue May 17 23:18:25 2011 UDPv4 link remote: [undef] Tue May 17 23:18:25 2011 MULTI: multi_init called, r=256 v=256 Tue May 17 23:18:25 2011 IFCONFIG POOL: base=10.8.117.4 size=62 Tue May 17 23:18:25 2011 IFCONFIG POOL LIST Tue May 17 23:18:25 2011 vpnCh8TestClient,10.8.117.4 Tue May 17 23:18:25 2011 Initialization Sequence Completed Tue May 17 23:27:22 2011 MULTI: multi_create_instance called Tue May 17 23:27:22 2011 192.168.0.104:1194 Re-using SSL/TLS context Tue May 17 23:27:22 2011 192.168.0.104:1194 LZO compression initialized Tue May 17 23:27:22 2011 192.168.0.104:1194 Control Channel MTU parms [ L:1542 D:138 EF:38 EB:0 ET:0 EL:0 ] Tue May 17 23:27:22 2011 192.168.0.104:1194 Data Channel MTU parms [ L:1542 D:1450 EF:42 EB:135 ET:0 EL:0 AF:3/1 ] Tue May 17 23:27:22 2011 192.168.0.104:1194 Local Options hash (VER=V4): '530fdded' Tue May 17 23:27:22 2011 192.168.0.104:1194 Expected Remote Options hash (VER=V4): '41690919' Tue May 17 23:27:22 2011 192.168.0.104:1194 TLS: Initial packet from [AF_INET]192.168.0.104:1194, sid=8972b565 79323f68 Tue May 17 23:27:22 2011 192.168.0.104:1194 VERIFY OK: depth=1, /C=CA/ST=Out/L=There/O=Ubuntu/OU=Home/CN=Ubuntu_CA/name=lurscher/[email protected] Tue May 17 23:27:22 2011 192.168.0.104:1194 VERIFY OK: depth=0, /C=CA/ST=Out/L=There/O=Ubuntu/OU=Home/CN=Ubuntu_CA/name=lurscher/[email protected] Tue May 17 23:27:22 2011 192.168.0.104:1194 Data Channel Encrypt: Cipher 'BF-CBC' initialized with 128 bit key Tue May 17 23:27:22 2011 192.168.0.104:1194 Data Channel Encrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Tue May 17 23:27:22 2011 192.168.0.104:1194 Data Channel Decrypt: Cipher 'BF-CBC' initialized with 128 bit key Tue May 17 23:27:22 2011 192.168.0.104:1194 Data Channel Decrypt: Using 160 bit message hash 'SHA1' for HMAC authentication Tue May 17 23:27:22 2011 192.168.0.104:1194 Control Channel: TLSv1, cipher TLSv1/SSLv3 DHE-RSA-AES256-SHA, 1024 bit RSA Tue May 17 23:27:22 2011 192.168.0.104:1194 [vpnCh8TestClient] Peer Connection Initiated with [AF_INET]192.168.0.104:1194 Tue May 17 23:27:22 2011 vpnCh8TestClient/192.168.0.104:1194 MULTI: Learn: 10.8.117.6 -> vpnCh8TestClient/192.168.0.104:1194 Tue May 17 23:27:22 2011 vpnCh8TestClient/192.168.0.104:1194 MULTI: primary virtual IP for vpnCh8TestClient/192.168.0.104:1194: 10.8.117.6 finally, the server status log: OpenVPN CLIENT LIST Updated,Tue May 17 23:36:25 2011 Common Name,Real Address,Bytes Received,Bytes Sent,Connected Since vpnCh8TestClient,192.168.0.104:1194,4244,5604,Tue May 17 23:27:22 2011 ROUTING TABLE Virtual Address,Common Name,Real Address,Last Ref 10.8.117.6,vpnCh8TestClient,192.168.0.104:1194,Tue May 17 23:27:22 2011 GLOBAL STATS Max bcast/mcast queue length,0 END

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• Ext JS how to tell PagingToolbar to use parent Grid storage?

  - by Nazariy

  I'm trying to build application that use single config passed by server as non native JSON (can contain functions). Everything works fine so far but I'm curious why PagingToolbar does not have an option to use parent Grid store? I have tried to set store in my config like this, but without success: {... store:Ext.StoreMgr.lookup('unique_store_id') } Is there any way to do so without writing tons of javascript for each view defining store, grid and other items in my application or at least extend functionality of PaginationToolbar that use options from parent object? UPDATED, Here is short example of server response (minified) { "xtype":"viewport", "layout":"border", "renderTo":Ext.getBody(), "autoShow":true, "id":"mainFrame", "defaults":{"split":true,"useSplitTips":true}, "items":[ {"region":"center", "xtype":"panel", "layout":"fit", "id":"content-area", "items":{ "id":"manager-panel", "region":"center", "xtype":"tabpanel", "activeItem":0, "items":[ { "xtype":"grid", "id":"domain-grid", "title":"Manage Domains", "store":{ "xtype":"arraystore", "id":"domain-store", "fields":[...], "autoLoad":{"params":{"controller":"domain","view":"store"}}, "url":"index.php" }, "tbar":[...], "bbar":{ "xtype":"paging", "id":"domain-paging-toolbar", "store":Ext.StoreMgr.lookup('domain-store') }, "columns":[...], "selModel":new Ext.grid.RowSelectionModel({singleSelect:true}), "stripeRows":true, "height":350, "loadMask":true, "listeners":{ "cellclick":activateDisabledButtons } } ] }, } ] }

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• Convert SQLITE SQL dump file to POSTGRESQL

  - by DevX

  I've been doing development using SQLITE database with production in POSTGRESQL. I just updated my local database with a huge amount of data and need to transfer a specific table to the production database. SQLITE outputs a table dump in the following format: BEGIN TRANSACTION; CREATE TABLE "courses_school" ("id" integer PRIMARY KEY, "department_count" integer NOT NULL DEFAULT 0, "the_id" integer UNIQUE, "school_name" varchar(150), "slug" varchar(50)); INSERT INTO "courses_school" VALUES(1,168,213,'TEST Name A',NULL); INSERT INTO "courses_school" VALUES(2,0,656,'TEST Name B',NULL); .... COMMIT; How do I convert the above into a POSTGRESQL compatible dump file that I can import into my production server?

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• how to rollback/undo yum update on fedora after messing the fedora versions

  - by misteryes

  I want to install texlive on my fedora 16 laptop with the following procedure: # yum remove tex-* texlive-* # cat > /etc/yum.repos.d/texlive.repo <<EOF [texlive] name=texlive baseurl=http://jnovy.fedorapeople.org/texlive/2012/packages.f17/ enabled=1 gpgcheck=0 EOF # yum update; # yum install texlive after yum update, I notice that my laptop is fedora 16, while I used 2012/packages.fc17/ so I modify /etc/yum.repos.d/texlive.repo to use 2011/packages.fc16 and do yum update again however, there are many errors [root@kitty esolve]# yum update Loaded plugins: auto-update-debuginfo, langpacks, presto, refresh-packagekit http://repos.fedorapeople.org/repos/leigh123linux/cinnamon/fedora-16/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found : http://repos.fedorapeople.org/repos/leigh123linux/cinnamon/fedora-16/x86_64/repodata/repomd.xml Trying other mirror. Setting up Update Process Resolving Dependencies --> Running transaction check ---> Package dvipng.x86_64 0:1.14-1.fc15 will be obsoleted ---> Package kpathsea.x86_64 0:2007-66.fc16 will be obsoleted --> Processing Dependency: libkpathsea.so.4()(64bit) for package: evince-dvi-3.2.1-2.fc16.x86_64 ---> Package mkvtoolnix.x86_64 0:5.8.0-1 will be updated ---> Package mkvtoolnix.x86_64 0:6.3.0-1 will be an update ---> Package nautilus-dropbox.x86_64 0:1.4.0-1.fc10 will be updated ---> Package nautilus-dropbox.x86_64 0:1.6.0-1.fc10 will be an update ---> Package texlive-dvipng-bin.x86_64 2:svn26509.0-19.20130317_r29408.fc17 will be obsoleting --> Processing Dependency: texlive-kpathsea-lib = 2:2012-19.20130317_r29408.fc17 for package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 --> Processing Dependency: texlive-base for package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 --> Processing Dependency: tex-dvipng for package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 --> Processing Dependency: libpng15.so.15()(64bit) for package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 --> Processing Dependency: libkpathsea.so.6()(64bit) for package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 ---> Package texlive-kpathsea.noarch 2:svn28792.0-19.fc17 will be obsoleting --> Processing Dependency: texlive-kpathsea-bin for package: 2:texlive-kpathsea-svn28792.0-19.fc17.noarch --> Running transaction check ---> Package kpathsea.x86_64 0:2007-66.fc16 will be obsoleted --> Processing Dependency: libkpathsea.so.4()(64bit) for package: evince-dvi-3.2.1-2.fc16.x86_64 ---> Package texlive-base.noarch 2:2012-19.20130317_r29408.fc17 will be installed ---> Package texlive-dvipng.noarch 2:svn26689.1.14-19.fc17 will be installed ---> Package texlive-dvipng-bin.x86_64 2:svn26509.0-19.20130317_r29408.fc17 will be obsoleting --> Processing Dependency: libpng15.so.15()(64bit) for package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 ---> Package texlive-kpathsea-bin.x86_64 2:svn27347.0-19.20130317_r29408.fc17 will be installed ---> Package texlive-kpathsea-lib.x86_64 2:2012-19.20130317_r29408.fc17 will be installed --> Finished Dependency Resolution Error: Package: evince-dvi-3.2.1-2.fc16.x86_64 (@fedora) Requires: libkpathsea.so.4()(64bit) Removing: kpathsea-2007-66.fc16.x86_64 (@so-updates) libkpathsea.so.4()(64bit) Obsoleted By: 2:texlive-kpathsea-svn28792.0-19.fc17.noarch (texlive) Not found Error: Package: 2:texlive-dvipng-bin-svn26509.0-19.20130317_r29408.fc17.x86_64 (texlive) Requires: libpng15.so.15()(64bit) You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest and when I do yum install texlive, it simply tries to install the f17 version, which failed. what Can I do to install f16 version? how can I undo yum update with 2012/packages.f17/ I tried yum history, and for today's history, I only have Loaded plugins: auto-update-debuginfo, langpacks, presto, refresh-packagekit ID | Login user | Date and time | Action(s) | Altered ------------------------------------------------------------------------------- 124 | esolve ... <esolve> | 2013-09-12 18:35 | Erase | 24 123 | root <root> | 2013-08-23 11:08 | Update | 1 122 | root <root> | 2013-08-21 14:13 | Update | 1 < 121 | esolve ... <esolve> | 2013-05-31 15:36 | Install | 1 > 120 | root <root> | 2013-05-29 15:13 | Install | 1 < 119 | root <root> | 2013-04-18 13:13 | Update | 1 >< which seems not related to yum update the history results: 1003 yum update 1004 vim 1005 vim /etc/yum.repos.d/texlive.repo 1006 yum update 1007 yum install texlive 1008 vim /etc/yum.repos.d/texlive.repo 1009 clear 1010 yum history 1011 yum history list 1012 vim 1013 vim /etc/yum.repos.d/texlive.repo 1014 yum history list 1015 history also I tried yum history undo 124 but it failed! [root@kitty esolve]# yum history undo 124 Loaded plugins: auto-update-debuginfo, langpacks, presto, refresh-packagekit http://repos.fedorapeople.org/repos/leigh123linux/cinnamon/fedora-16/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not Found : http://repos.fedorapeople.org/repos/leigh123linux/cinnamon/fedora-16/x86_64/repodata/repomd.xml Trying other mirror. Undoing transaction 124, from Thu Sep 12 18:35:31 2013 Erase R-2.14.1-1.fc16.x86_64 ? Erase R-core-2.14.1-1.fc16.x86_64 ? Erase R-devel-2.14.1-1.fc16.x86_64 ? Erase a2ps-4.14-12.fc15.x86_64 ? Erase docbook-utils-pdf-0.6.14-29.fc16.noarch ? Erase html2ps-1.0-0.7.b7.fc15.noarch ? Erase jadetex-3.13-10.fc15.noarch ? Erase kile-2.1.1-1.fc16.x86_64 ? Erase linuxdoc-tools-0.9.66-9.fc15.x86_64 ? Erase tetex-dvipost-1.1-12.fc15.x86_64 ? Erase tex-cm-lgc-0.5-18.fc15.noarch ? Erase tex-preview-11.86-6.fc16.noarch ? Erase texinfo-tex-4.13a-15.fc15.x86_64 ? Erase texlive-2007-66.fc16.x86_64 ? Erase texlive-dvips-2007-66.fc16.x86_64 ? Erase texlive-latex-2007-66.fc16.x86_64 ? Erase texlive-texmf-2007-40.fc16.noarch ? Erase texlive-texmf-dvips-2007-40.fc16.noarch ? Erase texlive-texmf-fonts-2007-40.fc16.noarch ? Erase texlive-texmf-latex-2007-40.fc16.noarch ? Erase texlive-utils-2007-66.fc16.x86_64 ? Erase texmaker-1:3.2.2-1.fc16.x86_64 ? Erase texmf-RR-Inria-4.11-inria.0.noarch ? Erase xdvik-22.84.14-9.fc15.x86_64 ? Error: No package(s) available to install

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• Microsoft flexgrid Control : Run-time error '438' Object doesnt support this property or method

  - by Dan

  I am maintaining a legacy Microsoft Access application that is using the Microsoft Flexgrid 6.0. It recently started causing the following error: Run-time error '438' Object doesn't support this property or method People say that this error can be caused by the KB960715 security update being applied, which sets killbits on various ActiveX control methods which were deemed a security risk. But this or no other security update has been applied recently. Others say that installing Microsoft Visual Basic 6.0 Service Pack 6 Cumulative Update will update the flex grid. This requires VB6 to be installed as a prerequisite so I installed that on my PC and then the update, and retrieved the updated MsFlxGrd.ocx file(Version: 6.1.98.12) and copied to the application machine, but the error still prevails. Someone here says you can disable the killbit in the registry. But there are afew hundred nodes in the location they suggest, none of which has the same guid as the one they point out. Any ideas?

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• serverside controls vs html controls from AJAX point of view

  - by devmania

  hi, i know this question have been mentioned alot here but mine is a little more updated, now with ASP.net 4 and new Ajax client templating plus JASON services. so if i got all these new capabilities will i really need server side controls as long as i can bind on client side, create data-views on client side heck i can even use data-context and apply CRUD operations on clients side. so i actually i wont need button_click server side event or what so ever... i am asking this because i own some commercial Controls like Telerik and Component art and they both offer client side operations ow but still i am confused as to my knowledge creating these controls will still have to go through Page Life cycle please advise me.

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• openstack, bridging, netfilter and dnat

  - by Craig Sanders

  In a recent upgrade (from Openstack Diablo on Ubuntu Lucid to Openstack Essex on Ubuntu Precise), we found that DNS packets were frequently (almost always) dropped on the bridge interface (br100). For our compute-node hosts, that's a Mellanox MT26428 using the mlx4_en driver module. We've found two workarounds for this: Use an old lucid kernel (e.g. 2.6.32-41-generic). This causes other problems, in particular the lack of cgroups and the old version of the kvm and kvm_amd modules (we suspect the kvm module version is the source of a bug we're seeing where occasionally a VM will use 100% CPU). We've been running with this for the last few months, but can't stay here forever. With the newer Ubuntu Precise kernels (3.2.x), we've found that if we use sysctl to disable netfilter on bridge (see sysctl settings below) that DNS started working perfectly again. We thought this was the solution to our problem until we realised that turning off netfilter on the bridge interface will, of course, mean that the DNAT rule to redirect VM requests for the nova-api-metadata server (i.e. redirect packets destined for 169.254.169.254:80 to compute-node's-IP:8775) will be completely bypassed. Long-story short: with 3.x kernels, we can have reliable networking and broken metadata service or we can have broken networking and a metadata service that would work fine if there were any VMs to service. We haven't yet found a way to have both. Anyone seen this problem or anything like it before? got a fix? or a pointer in the right direction? Our suspicion is that it's specific to the Mellanox driver, but we're not sure of that (we've tried several different versions of the mlx4_en driver, starting with the version built-in to the 3.2.x kernels all the way up to the latest 1.5.8.3 driver from the mellanox web site. The mlx4_en driver in the 3.5.x kernel from Quantal doesn't work at all) BTW, our compute nodes have supermicro H8DGT motherboards with built-in mellanox NIC: 02:00.0 InfiniBand: Mellanox Technologies MT26428 [ConnectX VPI PCIe 2.0 5GT/s - IB QDR / 10GigE] (rev b0) we're not using the other two NICs in the system, only the Mellanox and the IPMI card are connected. Bridge netfilter sysctl settings: net.bridge.bridge-nf-call-arptables = 0 net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-ip6tables = 0 Since discovering this bridge-nf sysctl workaround, we've found a few pages on the net recommending exactly this (including Openstack's latest network troubleshooting page and a launchpad bug report that linked to this blog-post that has a great description of the problem and the solution)....it's easier to find stuff when you know what to search for :), but we haven't found anything on the DNAT issue that it causes.

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• MongoDb vs Ehcache caching advise for speeding up read only mysql Database

  - by paddydub

  I'm building a Route Planner Webapp using Spring/Hibernate/Tomcat and a mysql database, I have a database containing read only data, such as Bus Stop Coordinates, Bus times which is never updated. I'm trying to make the app run faster, each time the application is run it will preform approx 1000 reads to the database to calculate a route. I have setup a Ehcache which greatly improves the read from database times. I'm now setting terracotta + Ehcache distributed caching to share the cache with multiple Tomcat JVMs. This seems a bit complicated. I've tried memcached but it was not performing as fast as ehcache. I'm wondering if a MongoDb would be better suited. I have no experience with nosql but I would appreciate if anyone has any ideas. All i need is quick access to the read only database.

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• Programatically find TFS changes since last good build

  - by abigblackman

  I have several branches in TFS (dev, test, stage) and when I merge changes into the test branch I want the automated build and deploy script to find all the updated SQL files and deploy them to the test database. I thought I could do this by finding all the changesets associated with the build since the last good build, finding all the sql files in the changesets and deploying them. However I don't seem to be having the changeset associated with the build for some reason so my question is twofold: 1) How do I ensure that a changeset is associated with a particular build? 2) How can I get a list of files that have changed in the branch since the last good build? I have the last successfully built build but I'm unsure how to get the files without checking the changesets (which as mentioned above are not associated with the build!)

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• Windows Vista Update Now Wont Boot Up

  - by thatryan

  My friend just updated her Windows Vista to service pack 1, or tried to. Now it wont boot up. Just black screen, some errors etc. I tried googling it and lots of people had this problem it seems. Anyone find a fix for it? I read somewhere I believe that Microsoft said to delete some files, Nvidia maybe? But I can not find that again, I forgot the exact error code I searched for before. Does anyone know what I am talking about? LOL Thanks guys.

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• Workflows for User Profile properties

  - by Nigel

  Hi Guys, I have a requirement from a client with regards to user profile properties. The requirement is as follows: We would like to setup custom user profile properties such that these values are editable by individuals via their my site. When a user edits this user profile property value, it should not be immediately visible to other users that happen to go to the individual's my site, but rather go through an approval workflow. If the value submitted is approved the user profile property value is updated. As far as I know this is not possible. I do have a work around for this but I want to ensure that I haven't missed anything before going down this path. Thanks in Advance

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