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  • Is there way to extend jQuery to handle a custom enter key event?

    - by Ken
    I write the following code all the time to handle when the enter key pressed: $("#selectorid").keypress(function (e) { if (e.keyCode == 13) { var targetType = e.originalTarget ? e.originalTarget.type.toLowerCase() : e.srcElement.tagName.toLowerCase(); if (targetType != "textarea") { e.preventDefault(); e.stopPropagation(); // code to handler enter key pressed } } }); Is there a way to extend jQuery so that I could just write: $("#selectorid").enterKeyPress(fn);

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  • See former key sequences in vim

    - by Vasiliy Sharapov
    Sometimes I share screen shots and clips of vim usage with others. It would be nice to expand on the part of the status bar highlighted in this picture: I would like some way to make previous key sequences visible as well, such as: y2w jj f[ p 2d - You can see the key sequences leading up to the current one. I'll elaborate on my wish list at the bottom. Is something like this is available as a plugin or vim script? The sheer number of scripts available on vim online makes this hard to find by keyword. Some features I would hope for (but seem improbable): Delimit key sequences with a non-keyboard character instead of space, and a different one for the current command, so y2w jj f[ p 2d might become y2w¦jj¦f[¦p » 2d Replace keys that have a letter alternative with the alternative, such as the right arrow key - ^[[C with the equivalent l. Edit: To clarify, the right arrow key is a valid key in vim, but has no character to represent it, the l key preforms the same function and could/should substitute it. Have previous keystrokes run all the way to the beginning of the line (instead of just one or two), and just have vim's command prompt overwrite it when necessary. Replace some keystrokes with a more elegant alternative, for example hhhhh with 5h or more impressively d2f) with d% (in the appropriate situation).

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  • OpenVPN server throws an "access denied" error

    - by HackToHell
    OpenVPN refuses to start up and exists with this error ever since i upgraded Ubuntu from 1.04 to 11.10 Dec 14 19:12:38 oogle ovpn-server[32150]: OpenVPN 2.2.0 i686-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] [eurephia] [MH] [PF_INET6] [IPv6 payload 20110424-2 (2.2RC2)] built on Jul 4 2011 Dec 14 19:12:38 oogle ovpn-server[32150]: NOTE: the current --script-security setting may allow this configuration to call user-defined scripts Dec 14 19:12:38 oogle ovpn-server[32150]: Note: cannot open openvpn-status.log for WRITE Dec 14 19:12:38 oogle ovpn-server[32150]: Note: cannot open ipp.txt for READ/WRITE Dec 14 19:12:38 oogle ovpn-server[32150]: Diffie-Hellman initialized with 1024 bit key Dec 14 19:12:38 oogle ovpn-server[32150]: Cannot load private key file server.key: error:0200100D:system library:fopen:Permission denied: error:20074002:BIO routines:FILE_CTRL:system lib: error:140B0002:SSL routines:SSL_CTX_use_PrivateKey_file:system lib Dec 14 19:12:38 oogle ovpn-server[32150]: Error: private key password verification failed Dec 14 19:12:38 oogle ovpn-server[32150]: Exiting Dec 14 19:12:46 oogle ovpn-server[32201]: OpenVPN 2.2.0 i686-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] [eurephia] [MH] [PF_INET6] [IPv6 payload 20110424-2 (2.2RC2)] built on Jul 4 2011 Dec 14 19:12:46 oogle ovpn-server[32201]: NOTE: the current --script-security setting may allow this configuration to call user-defined scripts Dec 14 19:12:46 oogle ovpn-server[32201]: Note: cannot open openvpn-status.log for WRITE Dec 14 19:12:46 oogle ovpn-server[32201]: Note: cannot open ipp.txt for READ/WRITE Dec 14 19:12:46 oogle ovpn-server[32201]: Diffie-Hellman initialized with 1024 bit key Dec 14 19:12:46 oogle ovpn-server[32201]: Cannot load private key file server.key: error:0200100D:system library:fopen:Permission denied: error:20074002:BIO routines:FILE_CTRL:system lib: error:140B0002:SSL routines:SSL_CTX_use_PrivateKey_file:system lib Dec 14 19:12:46 oogle ovpn-server[32201]: Error: private key password verification failed Dec 14 19:12:46 oogle ovpn-server[32201]: Exiting

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  • Adding License to VMware Server 2 via scripting command?

    - by andyt25
    Hi all, I recently discovered the vimsvc/license command in vmware-vim-cmd and was trying to use that to automatically add my license key to a fresh vmware installation. vmware-vim-cmd -H hostip -O portnumber vimsvc/license --source file '/path/to/plaintext-file-that-contains-my-license-key.txt' plaintext-file-that-contains-my-license-key.txt contains my key in XXXXX-XXXXX-XXXXX-XXXXX format, I've also tried it with an extra carriage return at the end. Adding the key that way doesn't work, however. I always get the following error message: [200] Reading local file: /path/to/plaintext-file-that-contains-my-license-key.txt [200] Size of file is 24 bytes. returned were XXXXX-XXXXX-XXXXX-XXXXX [200] Changing license source to: file:/path/to/plaintext-file-that-contains-my-license-key.txt [500] Caught unexpected exception Type: N5Vmomi5Fault17NotEnoughLicenses9ExceptionE what() =vmodl.fault.NotEnoughLicenses GetMsg() = There are not enough licenses installed to perform the operation. It's kinda silly to require a license to be able to add a license, don't you think? ;-) So how do I go about and add the key via script? I would like to avoid any interaction as I have the rest of the install fully scripted and non-interactive. Kind Regards, Stefan

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  • OS X Keeps prompting me for SSH private key passphrase (OS X 10.6.8)

    - by Danny Englander
    I have a private key to ssh into my server and the connection works. In my hosts file I have: Host myhost HostName xxx.xxx.xxx.xx GlobalKnownHostsFile ~/.ssh/known_hosts port 22 User myuser IdentityFile ~/.ssh/mykey_dsa IdentitiesOnly yes .. and then I type ssh myhost Every time I connect, I get the Mac OS X keychain prompt and I tell OS X to remember the passphrase but then when I disconnect from ssh and re-connect, I am prompted to add the passphrase to the keychain again. This is only a recent problem so I suspect and issue with Keychain? To be clear, I can 're-add' to keychain every time and connect but this defats the purpose. The permissions on my dsa key are set at 600 or -rw-------@ I tried repairing disk permissions but that did no good. My Google-foo is also failing me, nothing of use came up. So I am not sure if this an OS X / keychain issue or an SSH issue. update: When I try ssh -vvv myhost, I think it reveals the issue: debug1: Trying private key: /Users/danny/.ssh/mykey_dsa debug1: PEM_read_PrivateKey failed debug1: read PEM private key done: type <unknown> debug3: Not a RSA1 key file /Users/danny/.ssh/mykey_dsa. debug1: read PEM private key done: type DSA Identity added: /Users/danny/.ssh/mykey_dsa (/Users/danny/.ssh/mykey_dsa) debug1: read PEM private key done: type DSA debug3: sign_and_send_pubkey debug2: we sent a publickey packet, wait for reply debug1: Authentication succeeded (publickey). ... and after that I get connected. I think this crux of the matter is: PEM_read_PrivateKey failed

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  • RPM issues after signing JDK 1.6 64-bit

    - by organicveggie
    I'm trying to sign the Java JDK 1.6u21 64-bit RPM on CentOS 5.5 for use with Spacewalk and I'm running into problems. It seems to sign okay, but then when I check the signature it seems to be missing the key I just used to sign it. Yet RPM shows the key in it's list... # rpm --addsign jdk-6u21-linux-amd64.rpm Enter pass phrase: Pass phrase is good. jdk-6u21-linux-amd64.rpm: gpg: WARNING: standard input reopened gpg: WARNING: standard input reopened # rpm --checksig -v jdk-6u21-linux-amd64.rpm jdk-6u21-linux-amd64.rpm: Header V3 DSA signature: NOKEY, key ID ecfd98a5 MD5 digest: OK (650e0961e20d4a44169b68e8f4a1691b) V3 DSA signature: OK, key ID ecfd98a5 Yet I have the key imported (edited for privacy): # rpm -qa gpg-pubkey* |grep ecfd98a5 gpg-pubkey-ecfd98a5-4caa4a4c # rpm -qi gpg-pubkey-ecfd98a5-4caa4a4c Name : gpg-pubkey Relocations: (not relocatable) Version : ecfd98a5 Vendor: (none) Release : 4caa4a4c Build Date: Mon 04 Oct 2010 10:20:49 PM CDT Install Date: Mon 04 Oct 2010 10:20:49 PM CDT Build Host: localhost Group : Public Keys Source RPM: (none) Size : 0 License: pubkey Signature : (none) Summary : gpg(FirstName LastName <[email protected]>) Description : -----BEGIN PGP PUBLIC KEY BLOCK----- Version: rpm-4.4.2.3 (NSS-3) ...key goes here... =gKjN-----END PGP PUBLIC KEY BLOCK----- And I'm definitely running a 64-bit version of CentOS: # uname -a Linux spacewalk.mycompany.corp 2.6.18-194.11.4.el5 #1 SMP Tue Sep 21 05:04:09 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux Without a valid signature, Spacewalk refuses to install the RPM unless I completely disable signature checking. I have tried this with two different keys and two different users on the same machine without any success. Any bright ideas?

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  • How to use SSH Public Key with PuTTY to connect to a Linux machine

    - by ysap
    I am trying to set a public SSH key connection from a Windows 7 machine to a Red-Hat Linux machine. The ultimate purpose is to use pscp (PuTTY's version of scp) from the command terminal w/o the need to type password repetitively. Following PuTTY's documentation and other online sources, I used PuTTYgen to generate a key pair. I then copied the generated public key to a ~/.ssh/authorized_keys file on the Linux machine (as far as I can tell, it runs OpenSSH server). To check the connection, I run PuTTY and set the username and private key file in the appropriate places in its GUI. However, when trying to connect using PuTTY's SSH, the connection uses the preset username, but I get an error message of "Server refused our key" and a prompt for the password. I then tried to copy-paste the public key text from PuTTYgen's GUI to the authorized_keys file, but it did not work either. How should I set up a public key connection form Win 7 to Linux? How do I use this with pscp (rather than PuTTY's ssh)?

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  • Invitation: WebCenter Implementation Specialist Exam Preparation Webcasts

    - by rituchhibber
    Oracle Partner Network would like to invite you to Refresh Courses for WebCenter Content and WebCenter Portal, to help partners to prepare for the WebCenter Implementation Specialist EXAMS.This is a 3 hours intensive refresher partner-only training session, providing attendees with an overview of WebCenter Content and WebCenter Portal functions and related topics. After the refresher part you will be able to take the relevant Implementation Specialist EXAM depending on your personal focus. NOTE: This is only suitable for experienced WebCenter Content or WebCenter Portal practitioners Who should attend?Partner Consultants who want to become an Oracle WebCenter Content or a WebCenter Portal Certified Implementation Specialist or both, that will help them to differentiate themselves in front of customers and support their Companies to become Specialized. Webcast Details: Date Topic Speaker  Web Call Details  Intercall Details  December 14th WebCenter Content RefreshCourse Markus Neubauer, SilburyWebCenter Content Specialized Partner Join Webcast Dial-in numbers:CC/SP: 1579222/9221 Time: 12:00 -15:00 CET Break around 13:30 Conference ID/Key: 9249533/1412 Date Topic Speaker Web Call Details Intercall Details January 10th                  WebCenter Portal    Refresh Course                   Yannick Ongena, InfoMentumWebCenter Portal Specialized Partner                     Join Webcast Dial-in numbers:CC/SP: 1579222/9221 Time: 12:00 -15:00 CET Break around 13:30 Conference ID/Key: 9249375/1001 Date Topic Speaker Web Call Details Intercall Details February 22nd                WebCenter Content  RefreshCourse Markus Neubauer, SilburyWebCenter Content Specialized Partner    Join Webcast Dial-in numbers:CC/SP: 1579222/9221 Time: 12:00 -15:00 CET Break around13:30 Conference ID/Key: 9249541/2202 Date Topic Speaker Web Call Details Intercall Details  March 13th                WebCenter Portal   Refresh     Course      Yannick Ongena, InfoMentumWebCenter Portal Specialized Partner    Join Webcast Dial-in numbers:CC/SP: 1579222/9221 Time: 12:00 -15:00 CET Break around 13:30 Conference ID/Key: 9249549/1303 Local dial-in numbers can be found here . Next Steps:After the Webcast you will receive the Training material and FREE Vouchers to book and take the: Oracle ECM 11g Certified Implementation Specialist EXAM Oracle WebCenter 11g Essentials EXAM Booking with Voucher can be done on www.pearsonvue.com. Note: FREE Vouchers will be send after attending the webcast.

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  • Key Windows Phone Development Concepts

    - by Tim Murphy
    As I am doing more development in and out of the enterprise arena for Windows Phone I decide I would study for the 70-599 test.  I generally take certification tests as a way to force me to dig deeper into a technology.  Between the development and studying I decided it would be good to put a post together of key development features in Windows Phone 7 environment.  Contrary to popular belief the launch of Windows Phone 8 will not obsolete Windows Phone 7 development.  With the launch of 7.8 coming shortly and people who will remain on 7.X for the foreseeable future there are still consumers needing these apps so don’t throw out the baby with the bath water. PhoneApplicationService This is a class that every Windows Phone developer needs to become familiar with.  When it comes to application state this is your go to repository.  It also contains events that help with management of your application’s lifecycle.  You can access it like the following code sample. 1: PhoneApplicationService.Current.State["ValidUser"] = userResult; DeviceNetworkInformation This class allows you to determine the connectivity of the device and be notified when something changes with that connectivity.  If you are making web service calls you will want to check here before firing off. I have found that this class doesn’t actually work very well for determining if you have internet access.  You are better of using the following code where IsConnectedToInternet is an App level property. private void Application_Launching(object sender, LaunchingEventArgs e){ // Validate user access if (Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType != Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None) { IsConnectedToInternet = true; } else { IsConnectedToInternet = false; } NetworkChange.NetworkAddressChanged += new NetworkAddressChangedEventHandler(NetworkChange_NetworkAddressChanged);}void NetworkChange_NetworkAddressChanged(object sender, EventArgs e){ IsConnectedToInternet = (Microsoft.Phone.Net.NetworkInformation.NetworkInterface.NetworkInterfaceType != Microsoft.Phone.Net.NetworkInformation.NetworkInterfaceType.None);} Push Notification Push notification allows your application to receive notifications in a way that reduces the application’s power needs. This MSDN article is a good place to get the basics of push notification, but you can see the essential concept in the diagram below.  There are three types of push notification: toast, Tile and raw.  The first two work regardless of the state of the application where as raw messages are discarded if your application is not running.   Live Tiles Live tiles are one of the main differentiators of the Windows Phone platform.  They allow users to find information at a glance from their start screen without navigating into individual apps.  Knowing how to implement them can be a great boost to the attractiveness of your application. The simplest step-by-step explanation for creating live tiles is here. Local Database While your application really only has Isolated Storage as a data store there are some ways of giving you database functionality to develop against.  There are a number of open source ORM style solutions.  Probably the best and most native way I have found is to use LINQ to SQL.  It does take a significant amount of setup, but the ease of use once it is configured is worth the cost.  Rather than repeat the full concepts here I will point you to a post that I wrote previously. Tasks (Bing, Email) Leveraging built in features of the Windows Phone platform is an easy way to add functionality that would be expensive to develop on your own.  The classes that you need to make yourself familiar with are BingMapsDirectionsTask and EmailComposeTask.  This will allow your application to supply directions and give the user an email path to relay information to friends and associates. Event model Because of the ability for users to switch quickly to switch to other apps or the home screen is just one reason why knowing the Windows Phone event model is important.  You need to be able to save data so that if a user gets a phone call they can come back to exactly where they were in your application.  This means that you will need to handle such events as Launching, Activated, Deactivated and Closing at an application level.  You will probably also want to get familiar with the OnNavigatedTo and OnNavigatedFrom events at the page level.  These will give you an opportunity to save data as a user navigates through your app. Summary This is just a small portion of the concepts that you will use while building Windows Phone apps, but these are some of the most critical.  With the launch of Windows Phone 8 this list will probably expand.  Take the time to investigate these topics further and try them out in your apps. del.icio.us Tags: Windows Phone 7,Windows Phone,WP7,Software Development,70-599

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  • C++ function not found during compilation

    - by forthewinwin
    For a homework assignment: I'm supposed to create randomized alphabetial keys, print them to a file, and then hash each of them into a hash table using the function "goodHash", found in my below code. When I try to run the below code, it says my "goodHash" "identifier isn't found". What's wrong with my code? #include <iostream> #include <vector> #include <cstdlib> #include "math.h" #include <fstream> #include <time.h> using namespace std; // "makeKey" function to create an alphabetical key // based on 8 randomized numbers 0 - 25. string makeKey() { int k; string key = ""; for (k = 0; k < 8; k++) { int keyNumber = (rand() % 25); if (keyNumber == 0) key.append("A"); if (keyNumber == 1) key.append("B"); if (keyNumber == 2) key.append("C"); if (keyNumber == 3) key.append("D"); if (keyNumber == 4) key.append("E"); if (keyNumber == 5) key.append("F"); if (keyNumber == 6) key.append("G"); if (keyNumber == 7) key.append("H"); if (keyNumber == 8) key.append("I"); if (keyNumber == 9) key.append("J"); if (keyNumber == 10) key.append("K"); if (keyNumber == 11) key.append("L"); if (keyNumber == 12) key.append("M"); if (keyNumber == 13) key.append("N"); if (keyNumber == 14) key.append("O"); if (keyNumber == 15) key.append("P"); if (keyNumber == 16) key.append("Q"); if (keyNumber == 17) key.append("R"); if (keyNumber == 18) key.append("S"); if (keyNumber == 19) key.append("T"); if (keyNumber == 20) key.append("U"); if (keyNumber == 21) key.append("V"); if (keyNumber == 22) key.append("W"); if (keyNumber == 23) key.append("X"); if (keyNumber == 24) key.append("Y"); if (keyNumber == 25) key.append("Z"); } return key; } // "makeFile" function to produce the desired text file. // Note this only works as intended if you include the ".txt" extension, // and that a file of the same name doesn't already exist. void makeFile(string fileName, int n) { ofstream ourFile; ourFile.open(fileName); int k; // For use in below loop to compare with n. int l; // For use in the loop inside the below loop. string keyToPassTogoodHash = ""; for (k = 1; k <= n; k++) { for (l = 0; l < 8; l++) { // For-loop to write to the file ONE key ourFile << makeKey()[l]; keyToPassTogoodHash += (makeKey()[l]); } ourFile << " " << k << "\n";// Writes two spaces and the data value goodHash(keyToPassTogoodHash); // I think this has to do with the problem makeKey(); // Call again to make a new key. } } // Primary function to create our desired file! void mainFunction(string fileName, int n) { makeKey(); makeFile(fileName, n); } // Hash Table for Part 2 struct Node { int key; string value; Node* next; }; const int hashTableSize = 10; Node* hashTable[hashTableSize]; // "goodHash" function for Part 2 void goodHash(string key) { int x = 0; int y; int keyConvertedToNumber = 0; // For-loop to produce a numeric value based on the alphabetic key, // which is then hashed into hashTable using the hash function // declared below the loop (hashFunction). for (y = 0; y < 8; y++) { if (key[y] == 'A' || 'B' || 'C') x = 0; if (key[y] == 'D' || 'E' || 'F') x = 1; if (key[y] == 'G' || 'H' || 'I') x = 2; if (key[y] == 'J' || 'K' || 'L') x = 3; if (key[y] == 'M' || 'N' || 'O') x = 4; if (key[y] == 'P' || 'Q' || 'R') x = 5; if (key[y] == 'S' || 'T') x = 6; if (key[y] == 'U' || 'V') x = 7; if (key[y] == 'W' || 'X') x = 8; if (key[y] == 'Y' || 'Z') x = 9; keyConvertedToNumber = x + keyConvertedToNumber; } int hashFunction = keyConvertedToNumber % hashTableSize; Node *temp; temp = new Node; temp->value = key; temp->next = hashTable[hashFunction]; hashTable[hashFunction] = temp; } // First two lines are for Part 1, to call the functions key to Part 1. int main() { srand ( time(NULL) ); // To make sure our randomization works. mainFunction("sandwich.txt", 5); // To test program cin.get(); return 0; } I realize my code is cumbersome in some sections, but I'm a noob at C++ and don't know much to do it better. I'm guessing another way I could do it is to AFTER writing the alphabetical keys to the file, read them from the file and hash each key as I do that, but I wouldn't know how to go about coding that.

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  • MySQL Error 1452 - Cannot add or update a child row: a foreign key constraint fails

    - by dscher
    I've looked at other people's questions on this topic but can't seem to find where my error is coming from. Any help would be greatly appreciated. I'm including as much as I can think of that might help find the problem: CREATE TABLE stocks ( id INT AUTO_INCREMENT NOT NULL, user_id INT(11) UNSIGNED NOT NULL, ticker VARCHAR(20) NOT NULL, name VARCHAR(20), rating INT(11), position ENUM("strong buy", "buy", "sell", "strong sell", "neutral"), next_look DATE, privacy ENUM("public", "private"), PRIMARY KEY(id), FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE ) ENGINE=InnoDB DEFAULT CHARSET=utf8; CREATE TABLE IF NOT EXISTS `stocks_tags` ( `stock_id` INT NOT NULL, `tag_id` INT NOT NULL, PRIMARY KEY (`stock_id`,`tag_id`), KEY `fk_stock_tag` (`tag_id`), KEY `fk_tag_stock` (`stock_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; ALTER TABLE `stocks_tags` ADD CONSTRAINT `fk_stock_tag` FOREIGN KEY (`tag_id`) REFERENCES `tags` (`id`) ON DELETE CASCADE ON UPDATE CASCADE, ADD CONSTRAINT `fk_tag_stock` FOREIGN KEY (`stock_id`) REFERENCES `stocks` (`id`) ON DELETE CASCADE ON UPDATE CASCADE; CREATE TABLE tags( id INT AUTO_INCREMENT NOT NULL PRIMARY KEY, tags VARCHAR(30), UNIQUE(tags) ) ENGINE=INNODB DEFAULT CHARSET=utf8; And the error I'm getting: Database_Exception [ 1452 ]: Cannot add or update a child row: a foreign key constraint fails (`ddmachine`.`stocks_tags`, CONSTRAINT `fk_stock_tag` FOREIGN KEY (`tag_id`) REFERENCES `tags` (`id`) ON DELETE CASCADE ON UPDATE CASCADE) [ INSERT INTO `stocks_tags` (`stock_id`, `tag_id`) VALUES (19, 'cash') ] I did see that someone else had a similar problem based on their enum columns but don't think that's it.

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  • Getting a new session key after Facebook offline_access permission

    - by Richard
    I have a mobile application that I'm using with Facebook connect. I'm having trouble getting an offline_access session key after a user has granted extended permissions. Here's the user flow: User goes to my site for the first time I send them to m.facebook.com/tos.php? and pass my api key and secret The user logs in using Facebook connect Facebook returns them to a page in my site, mysite/login-success.php with an auth_token in the query string On mysite/login-success.php I instantiate the FB api client and check to see if I already have an offline_access session key for them: $facebook = new Facebook($appapikey, $appsecret); If they haven't already provided offline_access FB gives me a temporary session key I need to get offline_access permission from the user so I forward them on to www.facebook.com/connect/prompt_permissions.php? and pass offline_access in the querystring. The user authorizes offline_access and get forwarded to mysite/permissions-success.php The problem I'm having is that after instantiating the API client on permissions-success.php the session key I have is still the temporary session key, not a new offline_access session key. The only way I've found to get the offline_access key is to delete all cookies for the user and then have them login again using Facebook connect. A fairly poor user experience. Can anyone shed some light on how to use the Facebook api to generate a new session key even if one already exists (in my case a temporary session key)?

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  • How to Verify Signature, Loading PUBLIC KEY From PEM file?

    - by bbirtle
    I'm posting this in the hope it saves somebody else the hours I lost on this really stupid problem involving converting formats of public keys. If anybody sees a simpler solution or a problem, please let me know! The eCommerce system I'm using sends me some data along with a signature. They also give me their public key in .pem format. The .pem file looks like this: -----BEGIN PUBLIC KEY----- MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDe+hkicNP7ROHUssGNtHwiT2Ew HFrSk/qwrcq8v5metRtTTFPE/nmzSkRnTs3GMpi57rBdxBBJW5W9cpNyGUh0jNXc VrOSClpD5Ri2hER/GcNrxVRP7RlWOqB1C03q4QYmwjHZ+zlM4OUhCCAtSWflB4wC Ka1g88CjFwRw/PB9kwIDAQAB -----END PUBLIC KEY----- Here's the magic code to turn the above into an "RSACryptoServiceProvider" which is capable of verifying the signature. Uses the BouncyCastle library, since .NET apparently (and appallingly cannot do it without some major headaches involving certificate files): RSACryptoServiceProvider thingee; using (var reader = File.OpenText(@"c:\pemfile.pem")) { var x = new PemReader(reader); var y = (RsaKeyParameters)x.ReadObject(); thingee = (RSACryptoServiceProvider)RSACryptoServiceProvider.Create(); var pa = new RSAParameters(); pa.Modulus = y.Modulus.ToByteArray(); pa.Exponent = y.Exponent.ToByteArray(); thingee.ImportParameters(pa); } And then the code to actually verify the signature: var signature = ... //reads from the packet sent by the eCommerce system var data = ... //reads from the packet sent by the eCommerce system var sha = new SHA1CryptoServiceProvider(); byte[] hash = sha.ComputeHash(Encoding.ASCII.GetBytes(data)); byte[] bSignature = Convert.FromBase64String(signature); ///Verify signature, FINALLY: var hasValidSig = thingee.VerifyHash(hash, CryptoConfig.MapNameToOID("SHA1"), bSignature);

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  • Hazelcast Distributed Executor Service KeyOwner

    - by János Veres
    I have problem understanding the concept of Hazelcast Distributed Execution. It is said to be able to perform the execution on the owner instance of a specific key. From Documentation: <T> Future<T> submitToKeyOwner(Callable<T> task, Object key) Submits task to owner of the specified key and returns a Future representing that task. Parameters: task - task key - key Returns: a Future representing pending completion of the task I believe that I'm not alone to have a cluster built with multiple maps which might actually use the same key for different purposes, holding different objects (e.g. something along the following setup): IMap<String, ObjectTypeA> firstMap = HazelcastInstance.getMap("firstMap"); IMap<String, ObjectTypeA_AppendixClass> secondMap = HazelcastInstance.getMap("secondMap"); To me it seems quite confusing what documentation says about the owner of a key. My real frustration is that I don't know WHICH - in which map - key does it refer to? The documentation also gives a "demo" of this approach: import com.hazelcast.core.Member; import com.hazelcast.core.Hazelcast; import com.hazelcast.core.IExecutorService; import java.util.concurrent.Callable; import java.util.concurrent.Future; import java.util.Set; import com.hazelcast.config.Config; public void echoOnTheMemberOwningTheKey(String input, Object key) throws Exception { Callable<String> task = new Echo(input); HazelcastInstance hz = Hazelcast.newHazelcastInstance(); IExecutorService executorService = hz.getExecutorService("default"); Future<String> future = executorService.submitToKeyOwner(task, key); String echoResult = future.get(); } Here's a link to the documentation site: Hazelcast MultiHTML Documentation 3.0 - Distributed Execution Did any of you guys figure out in the past what key does it want?

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  • Can Windows logoff events be tracked?

    - by Massimo
    I'm working on an application to track network user logon/logoff events in an Active Directory domain; the application will work by auditing security logs on domain controllers. Auditing logon events can get somewhat tricky, but it can succesfully be done. My problem: how can I track logoff events? Based on some research I've done, it looks like these events are only logged locally on workstations, but not on DCs; also, the "lastLogoff" attribute exists on AD user objects, but it's not actually used by anyone. This is a very specific question: is something logged on DCs when a user logs off from a domain workstation? To clarify: I'm not intereseted in other auditing mehods, I can't deploy logon/logoff scripts and I can't install anything anywhere; I also know opened and closed network sessions are logged, but this is not what I'm looking for. I need to audit interactive logons and logoffs to domain workstations, and I can do this by only reading domain controllers security logs; reading each workstation's local event logs is out of question. If this can't be done, it's ok; but I need a clear answer on that. Can this be done? If yes, how?

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  • JDO, GAE: Load object group by child's key

    - by tiex
    I have owned one-to-many relationship between two objects: @PersistenceCapable(identityType = IdentityType.APPLICATION) public class AccessInfo { @PrimaryKey @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) private com.google.appengine.api.datastore.Key keyInternal; ... @Persistent private PollInfo currentState; public AccessInfo(){} public AccessInfo(String key, String voter, PollInfo currentState) { this.voter = voter; this.currentState = currentState; setKey(key); // this key is unique in whole systme } public void setKey(String key) { this.keyInternal = KeyFactory.createKey( AccessInfo.class.getSimpleName(), key); } public String getKey() { return this.keyInternal.getName(); } and @PersistenceCapable(identityType = IdentityType.APPLICATION) public class PollInfo { @PrimaryKey @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) private Key key; @Persistent(mappedBy = "currentState") private List<AccessInfo> accesses; ... I created an instance of class PollInfo and make it persistence. It is ok. But then I want to load this group by AccessInfo key, and I am getting exception NucleusObjectNotFoundException. Is it possible to load a group by child's key?

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  • Duplicate partitioning key performance impact

    - by Anshul
    I've read in some posts that having duplicate partitioning key can have a performance impact. I've two tables like: CREATE TABLE "Test1" ( CREATE TABLE "Test2" ( key text, key text, column1 text, name text, value text, age text, PRIMARY KEY (key, column1) ... ) PRIMARY KEY (key, name,age) ) In Test1 column1 will contain column name and value will contain its corresponding value.The main advantage of Test1 is that I can add any number of column/value pairs to it without altering the table by just providing same partitioning key each time. Now my question is how will each of these table schema's impact the read/write performance if I've millions of rows and number of columns can be upto 50 in each row. How will it impact the compaction/repair time if I'm writing duplicate entries frequently?

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  • Create a CSR in C# using an explicit RSA key-pair

    - by rlandster
    Using the OpenSSL libraries one can create a CSR (certificate signing request) by doing this: openssl genrsa -out rsa.key 1024 openssl req -new -key rsa.key -out output.csr -config config.txt where config.txt contains the distinguished name to use in the certificate. I would like to do something similar under Windows using C#. However, the method createPKCS10 does not require you to supply an RSA key. Is there a way to get C# to generate an explicit RSA private key and then use that private key to create the CSR?

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  • How can I process a form's events in another class in VB.NET?

    - by CowKingDeluxe
    Here's my code: Public Class Form1 End Class Public Class Form1Handler Inherits Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click MsgBox("I") End Sub End Class I'm trying to get Form1Handler to process Form1's events automatically. How can I do this? Should I use a module instead? I'm doing this in VB 2010.

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  • Selecting based on __key__ (a unique identifier) in google appengine [Java]

    - by Stavros
    I have public class QuantityType { @PrimaryKey @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) private Key key; @Persistent private String type; } I am trying to setup a query to get the right QuantityType by it's key gql = "select * from QuantityType where __key__='aght52oobW1hIHTWVzc2FnZRiyAQw'"; But its not working because BadFilterError: BadFilterError: invalid filter: key filter value must be a Key; received aght52oobW1hIHTWVzc2FnZRiyAQw (a str). I have also tried to use gql = "select * from QuantityType where __key__=='" + KeyFactory.stringToKey(qTypeKey)+"'"; but it's now working.. How can I get a specific object from my datastore by it's key?

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