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  • Can Agile/Scrum be used by 1 or 2 developers?

    - by Dillie-O
    Everything I've been reading and researching up to this point describes how Agile/Scrum works great with teams of about 4 to 6 members, maybe even more. In my current shop, we have about 8 developers or so, but given the nature of the volume of projects and the number of departments we support, we never have more than 1 or 2 folks assigned to a given project. Can I still use Agile/Scrum with a team of 1 or 2 developers? I'm working on making the pitch to my manager to start working with this methodology, but I need to be able to explain how to scale things back for a small developer crew, or convince them to make sure we get more members on a given project.

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  • Global Adopt a JSR Program Update

    - by heathervc
    The Global Adopt a JSR program, combining efforts of SouJava and London Java Community,  is an excellent place to get some Java User Group (JUG) resources for JSRs.  It also has the potential to act as an extra set of eyes, ears and volunteers for JSRs. The Global project to go to is at: http://adoptajsr.java.net.  The wiki page explaining the whole program and benefits to Spec Leads and EG's can be found there, including: The mailing list: [email protected] . Portugese speakers-mainly Brazlian JUG members-have their own mailing list and more language lists may be added as required. The IRC channel is at adoptajsr on irc.freenode.net Also check out this InfoQ article with Martijn Verburg about the London Java user group, the Adopt a JSR program, the JCP and Oracle’s handling of the Java community.

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  • Algorithm to Sort member into groups

    - by kasmanit
    I'll have to develop an application which the final purpose is to sort all the member into groups. Each group will have the same size. And I had to put the members into the groups several times during the execution of the program. To put the member into the groups, a lot of critria are to be look at, because we do not want that two people are put again together two time in the same execution of the program, of course if it's the only way to find a correct solution, it' fine, and there is a lot of other criteria, like some people can be willing to be always with another member. So to resume, we have n members to put in groups of size 8. After the first "round" we have to do again the algorithm to sort them differently. And a lot of critria may go in the calculation of the priority of each member Do you have any idea?

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  • What is the best and cheapest CMS for an E-Commerce site?

    - by kf0l
    My client needs a site customers can use to pay the membership fees and join. It should also track when old members need to pay again. There are some members that will not want to pay online and they want to be able to use the site to manage all payments. The CMS must be cheap to host online, potentially with something like GitHub/Heroku. I am experienced with PHP and RoR. I am using a CMS so once I am done with this project it is easy for them to update. After reading through different posts I think WordPress with an e-commerce Plugin may be the right solution. Spree and WebGUI also looks promising. Thanks for the help.

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  • Oracle Transportation Management 6 Essentials (1Z1-578) Certified Implementation Exam Is Available In Beta

    - by swalker
    The Oracle Transportation Management 6 Essentials (1Z1-578) exam beta, available until December 23, is designed for individuals who possess a strong foundation and expertise in selling or implementing Oracle Transportation Management solutions. This certification exam covers topics such as OTM Core Functionality and Shipment Planning Overview, Fleet Management and Payment, Agents, Multi-Legs, Multi-Stops and Workflows. Up-to-date training and field experience are recommended. The Oracle Transportation Management Implementation Specialist certification recognizes OPN members as OPN Certified Specialists. This certification differentiates OPN members in the marketplace by providing a competitive edge through proven expertise, and helps the OPN member's partner organization qualify for the Oracle Transportation Management Specialization. Take advantage of a free exam now and send your request for a beta exam voucher to [email protected].

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  • Do You Want be on Silverlight TV?

    Silverlight is surging and Silverlight TV is also doing well on Channel 9 and gaining momentum thanks to all of you who watch our episodes! Ive been asked a few times how community members can appear on the show. First, we love community members appearing on the show. Some of our best episodes have come from the community efforts. So here are 2 general guidelines for submitting your appearance on Silverlight TV: You are going to be on the Redmond campus in the future You have something incredibly...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • MCV PHP Am I doing the Model right? [closed]

    - by Kosmo
    I'm trying to create a basic website using MVC in PHP to learn MVC. Its eventually going to be some sort of social networking website but right now I am trying to create a object that can create, delete, update members. What I've done so far for the Model is in the code below, I figure my Controller will take user input and build the array of data that are then passed to this Model. Am I designing this correctly? Should the Controller be the one building the Arrays? <?php class Connection { private $server; private $database; private $user; private $password; private $conn; function __construct($server, $database, $user, $password) { $this->server = $server; $this->database = $database; $this->user = $user; $this->password = $password; } function connect() { $this->conn = mysql_connect($this->server, $this->user, $this->password) or die(mysql_error()); if (!(mysql_select_db($this->database))) { throw new Exception("Could not connect to database!"); } } function deleteMember($memberId) { $queryString = "DELETE FROM Members WHERE MemberId=" . $memberId . ';'; if (!mysql_query($queryString)) { throw new Exception("Failed Deleting Member!"); } } function insertMember($columns) { $queryString = 'INSERT INTO Members'; $keys = '('; $values = '('; $count = 0; foreach($columns as $key => $value) { $keys .= $key; $values .= $value; if (!(++$count == count($columns))) { $keys .= ','; $values .= ','; } } $queryString .= $keys . ')' . ' VALUES ' . $values . ');'; if (!mysql_query($queryString, $this->conn)) { throw new Exception('Failed Inserting Member!'); } else { return mysql_insert_id(); } } function updateMember($memberId, $columns) { $queryString = 'UPDATE Members SET '; $count = 0; foreach($columns as $key => $value) { $queryString .= $key . '=' . $value; if (!(++$count == count($columns))) { $queryString .= ', '; } } $queryString .= ' WHERE MemberId=' . $memberId . ';'; if (!mysql_query($queryString)) { throw new Exception('Failed Updating Member'); } } function getMembers() { $queryString = "SELECT * FROM Members;"; $result = mysql_query($queryString); $memberArray = array(); $count = 0; while ($row = mysql_fetch_array($result)) { $memberArray[$count++] = "Member ID: " . $row['MemberId'] . " Name: " . $row['MemberName'] . " Email: " . $row['MemberEmail']; } return $memberArray; } function disconnect() { mysql_close($this->conn); } }

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  • Data Modeling: Logical Modeling Exercise

    - by swisscheese
    In trying to learn the art of data storage I have been trying to take in as much solid information as possible. PerformanceDBA posted some really helpful tutorials/examples in the following posts among others: is my data normalized? and Relational table naming convention. I already asked a subset question of this model here. So to make sure I understood the concepts he presented and I have seen elsewhere I wanted to take things a step or two further and see if I am grasping the concepts. Hence the purpose of this post, which hopefully others can also learn from. Everything I present is conceptual to me and for learning rather than applying it in some production system. It would be cool to get some input from PerformanceDBA also since I used his models to get started, but I appreciate all input given from anyone. As I am new to databases and especially modeling I will be the first to admit that I may not always ask the right questions, explain my thoughts clearly, or use the right verbage due to lack of expertise on the subject. So please keep that in mind and feel free to steer me in the right direction if I head off track. If there is enough interest in this I would like to take this from the logical to physical phases to show the evolution of the process and share it here on Stack. I will keep this thread for the Logical Diagram though and start new one for the additional steps. For my understanding I will be building a MySQL DB in the end to run some tests and see if what I came up with actually works. Here is the list of things that I want to capture in this conceptual model. Edit for V1.2 The purpose of this is to list Bands, their members, and the Events that they will be appearing at, as well as offer music and other merchandise for sale Members will be able to match up with friends Members can write reviews on the Bands, their music, and their events. There can only be one review per member on a given item, although they can edit their reviews and history will be maintained. BandMembers will have the chance to write a single Comment on Reviews about the Band they are associated with. Collectively as a Band only one Comment is allowed per Review. Members can then rate all Reviews and Comments but only once per given instance Members can select their favorite Bands, music, Merchandise, and Events Bands, Songs, and Events will be categorized into the type of Genre that they are and then further subcategorized into a SubGenre if necessary. It is ok for a Band or Event to fall into more then one Genre/SubGenre combination. Event date, time, and location will be posted for a given band and members can show that they will be attending the Event. An Event can be comprised of more than one Band, and multiple Events can take place at a single location on the same day Every party will be tied to at least one address and address history shall be maintained. Each party could also be tied to more then one address at a time (i.e. billing, shipping, physical) There will be stored profiles for Bands, BandMembers, and general members. So there it is, maybe a bit involved but could be a great learning tool for many hopefully as the process evolves and input is given by the community. Any input? EDIT v1.1 In response to PerformanceDBA U.3) That means no merchandise other than Band merchandise in the database. Correct ? That was my original thought but you got me thinking. Maybe the site would want to sell its own merchandise or even other merchandise from the bands. Not sure a mod to make for that. Would it require an entire rework of the Catalog section or just the identifying relationship that exists with the Band? Attempted a mod to sell both complete albums or song. Either way they would both be in electronic format only available for download. That is why I listed an Album as being comprised of Songs rather then 2 separate entities. U.5) I understand what you bring up about the circular relation with Favorite. I would like to get to this “It is either one Entity with some form of differentiation (FavoriteType) which identifies its treatment” but how to is not clear to me. What am I missing here? u.6) “Business Rules This is probably the only area you are weak in.” Thanks for the honest response. I will readdress these but I hope to clear up some confusion in my head first with the responses I have posted back to you. Q.1) Yes I would like to have Accepted, Rejected, and Blocked. I am not sure what you are referring to as to how this would change the logical model? Q.2) A person does not have to be a User. They can exist only as a BandMember. Is that what you are asking? Minor Issue Zero, One, or More…Oops I admit I forgot to give this attention when building the model. I am submitting this version as is and will address in a future version. I need to read up more on Constraint Checking to make sure I am understanding things. M.4) Depends if you envision OrderPurchase in the future. Can you expand as to what you mean here? EDIT V1.2 In response to PerformanceDBA input... Lessons learned. I was mixing the concept of Identifying / Non-Identifying and Cardinality (i.e. Genre / SubGenre), and doing so inconsistently to make things worse. Associative Tables are not required in Logical Diagrams as their many-to-many relationships can be depicted and then expanded in the Physical Model. I was overlooking the Cardinality in a lot of the relationships The importance of reading through relationships using effective Verb Phrases to reassure I am modeling what I want to accomplish. U.2) In the concept of this model it is only required to track a Venue as a location for an Event. No further data needs to be collected. With that being said Events will take place on a given EventDate and will be hosted at a Venue. Venues will host multiple events and possibly multiple events on a given date. In my new model my thinking was that EventDate is already tied to Event . Therefore, Venue will not need a relationship with EventDate. The 5th and 6th bullets you have listed under U.2) leave me questioning my thinking though. Am I missing something here? U.3) Is it time to move the link between Item and Band up to Item and Party instead? With the current design I don't see a possibility to sell merchandise not tied to the band as you have brought up. U.5) I left as per your input rather than making it a discrete Supertype/Subtype Relationship as I don’t see a benefit of having that type of roll up. Additional Revisions AR.1) After going through the exercise for FavoriteItem, I feel that Item to Review requires a many-to-many relationship so that is indicated. Necessary? Ok here we go for v1.3 I took a few days on this version, going back and forth with my design. Once the logical process is complete, as I want to see if I am on the right track, I will go through in depth what I had learned and the troubles I faced as a beginner going through this process. The big point for this version was it took throwing in some Keys to help see what I was missing in the past. Going through the process of doing a matrix proved to be of great help also. Regardless of anything, if it wasn't for the input given by PerformanceDBA I would still be a lost soul wondering in the dark. Who knows my current design might reaffirm that I still am, but I have learned a lot so I am know I at least have a flashlight in my hand. At this point in time I admit that I am still confused about identifying and non-identifying relationships. In my model I had to use non-identifying relationships with non nulls just to join the relationships I wanted to model. In reading a lot on the subject there seems to be a lot of disagreement and indecisiveness on the subject so I did what I thought represented the right things in my model. When to force (identifying) and when to be free (non-identifying)? Anyone have inputs? EDIT V1.4 Ok took the V1.3 inputs and cleaned things up for this V1.4 Currently working on a V1.5 to include attributes.

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  • Detecting login credentials abuse

    Greetings. I am the webmaster for a small, growing industrial association. Soon, I will have to implement a restricted, members-only section for the website. The problem is that our organization membership both includes big companies as well as amateur “clubs” (it's a relatively new industry…). It is clear that those clubs will share the login ID they will use to log onto our website. The problem is to detect whether one of their members will share the login credentials with people who would not normally supposed to be accessing the website (there is no objection for such a club to have all it’s members get on the website). I have thought about logging along with each sign-on the IP address as well as the OS and the browser used; if the OS/Browser stays constant and there are no more than, say, 10 different IP addresses, the account is clearly used by very few different computers. But if there are 50 OS/Browser combination and 150 different IPs, the credentials have obviously been disseminated far, and there would be then cause for action, such as modifying the password. Of course, it is extremely annoying when your password is being unilaterally changed. So, for this problem, I thought about allowing the “clubs” to manage their own list of sub-accounts, and therefore if abuse is suspected, the user responsible would be easily pinned-down, and this “sub-member” alone would face the annoyance of a password change. Question: What potential problems would anyone see with such an approach?

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  • Revover original email from Sendmail log

    - by Xavi Colomer
    I have a website the contact form has been failing silently for two weeks (Wordpress + Contact form 7). Apparently updating to Contact Form 7 made the assigned email to fail [email protected], I also tested with [email protected] and it also failed until I tried with gmail and it finally worked. Apparently @telefonica.net and @me.com domains are not working with this version of the plugin, but I have to investigate the cause. I found the logs of the lost emails, but I would like to know If I can recover the sender or the content of the original messages. May 24 23:41:11 localhost sendmail[27653]: s4P3fBc3027653: from=www-data, size=3250, class=0, nrcpts=1, msgid=<[email protected]_web.com>, relay=www-data@localhost May 24 23:41:11 localhost sm-mta[27655]: s4P3fBdA027655: from=<www-data@li306-103.members.linode.com>, size=3359, class=0, nrcpts=1, msgid=<[email protected]_web.com>, proto=ESMTP, daemon=MTA-v4, relay=localhost.localdomain [127.0.0.1] May 24 23:41:11 localhost sendmail[27653]: s4P3fBc3027653: [email protected], ctladdr=www-data (33/33), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=33250, relay=[127.0.0.1] [127.0.0.1], dsn=2.0.0, stat=Sent (s4P3fBdA027655 Message accepted for delivery) May 24 23:41:12 localhost sm-mta[27657]: s4P3fBdA027655: to=<[email protected]>, ctladdr=<www-data@li306-103.members.linode.com> (33/33), delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=123359, relay=tnetmx.telefonica.net. [86.109.99.69], dsn=5.0.0, stat=Service unavailable May 24 23:41:12 localhost sm-mta[27657]: s4P3fBdA027655: s4P3fCdA027657: DSN: Service unavailable May 24 23:41:12 localhost sm-mta[27657]: s4P3fCdA027657: to=<www-data@li306-103.members.linode.com>, delay=00:00:00, xdelay=00:00:00, mailer=local, pri=30000, dsn=2.0.0, stat=Sent Thanks

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  • Change default profile directory per group

    - by Joel Coel
    Is it possible to force windows to create profiles for members of one active directory group in a different folder from members in another active directory group? The school here uses DeepFreeze to protect public computers. In a nutshell, DeepFreeze prevents all changes to a hard drive such that every time you restart the machine the disk is identical to it was at the time you froze it. This is a bit different than restoring to an image, in that it never really wrote changes to disk in a permanent way in the first place. This has a few advantages over images: faster recover times, and it's easy to thaw the machine for a few minutes to perform maintenance such as windows updates (which can even be automated). DeepFreeze also allows you to configure a "thawspace" partition, where changes are persistent across reboots. One of the weaknesses of DeepFreeze is that you end up needing to create a new profile every time you log in, unless your profile existed at the time the machine was frozen. And even then, any changes you make to your profile while working on a frozen machine are lost. As students have frequent legitimate needs to log in to our classroom machines, there is currently a lot of cleanup involved from time to time in removing their old profiles and changes, so I want to extend DeepFreeze to protect our classroom computers as well as public computers. The problem is that faculty have a real need to keep a stateful profile locally on these classroom computers. The solution I would like to use is to configure Windows via group policy (or even manually, if that's the way I'll have to do it) to place profile folders on the thawspace partition, but only for members of the faculty security group. Is this possible?

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  • .htaccess issue on Apache Web Server in Ubuntu VM

    - by Neon Flash
    I just installed Apache Web Server on Ubuntu 11.04 in VMWare Workstation. I created a basic HTML page, named it index.html and placed it in /var/www directory (document root). I am able to access this web page from my Host OS (Windows 7), by pointing the browser to: http://192.168.2.2/index.html where, 192.168.2.2 is the IP Address of the Ubuntu VM. Next, to test various configurations of .htaccess files, I created a new directory in /var/www called, members. Inside this directory, I created and placed a .htaccess file with the following configuration: AuthUserFile /www/Neon/auth/.htpasswd AuthName "neon's home" AuthType Basic require valid-user IndexIgnore */* I created a directory path like /var/www/Neon/auth/ and then placed a .htpasswd file inside it. To place the username and hash inside the .htpasswd file: I created a username "neon" and calculated the DES hash of a password and placed it inside .htpasswd file in format: username:hash Now, when I try to access the web page: http://192.168.2.2/members/ It does not prompt me to enter the username and password with a popup box. Instead it just displays the index.html which is placed inside members directory. I would like to get this configuration working :)

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  • IIS7.5 - about app pool ID's and folder read/write access

    - by merk
    I did some searching and it looks like for each app pool, there should be an account created called IIS APPPOOL\AppPoolName - however i can see no such account when i try to modify the permissions on a folder to give that app write access. The closest I have found is the IIS_IUSRS group. Now, if i go into that group and look at the members, i see several IIS APPPOOL\PoolName members. But where are these members coming from? Why don't they show up under the users? And why can't i add a specific one to a folder? It doesn't make sense to me to add the IIS_IUSRS group to a folder since they gives every site access to the folder. To be more specific, I'm setting up wordpress and it unfortunately wants write access to the root folder. So i want to restrict it as much a possible. I was trying to figure out how to set it so that the WP root folder has write access only for the ID that the blog's app pool is running under. When i drill down into the IIS_IUSRS group, i do not see the app pool for the blog listed there. The settings for the blog's app pool are: No managed code, Classic, ApplicationPoolIdentity, and it's named 'blog' So any explanations regarding these users that are created for the app pools, and why the blog doesn't seem to belong to the iusrs group? thanks

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  • RAID5 issue after replacing motherboard and upgrading firmware

    - by 8steve8
    ok so ive had a 4x2TB(samsung HD204UI w/firmware patch) raid5 array working normally for about a month. It was in a h57 gigabyte motherboard using the intel raid with Windows 7 x64. Today I got an intel h67 motherboard, so I upgraded the intel raid drivers to 10.1.0.1008 from 9.6.0.1014, and I'm not sure if i checked after a reboot, but it caused no problems. I swapped in the new dh67 motherboard, and my array status was "failed". 2 of the 4 drives listed themselves as members, while the other two drives listed themselves as non-members. I tried going back to the old h57 mobo, and downgrading the raid drivers, but the issue remains. It's not port dependent, 2 of the drives always come up as non-members regardless of what port or motherboard they are plugged into. This screenshot should show that the SNs match, which raises the question why the software doesn't realize the drive is a member of the array. I'd like to know if anyone has experienced anything similar, and what should I do, can I force the drive to be recognized as a member (without wiping data)?

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  • strange raid5 issue:

    - by 8steve8
    ok so ive had a 4x2TB(samsung HD204UI w/firmware patch) raid5 array working normally for about a month. It was in a h57 gigabyte motherboard using the intel raid with windows 7 x64. Today I got an intel h67 motherboard, so I upgraded the intel raid drivers to 10.1.0.1008 from 9.6.0.1014, and I'm not sure if i checked after a reboot, but it caused no problems. I swapped in the new dh67 motherboard, and my array status was "failed". 2 of the 4 drives listed themselves as members, while the other two drives listed themselves as non-members. I tried going back to the old h57 mobo, and downgrading the raid drivers, but the issue remains. It's not port dependent, 2 of the drives always come up as non-members regardless of what port or motherboard they are plugged into. the screenshot should show that the SNs match, which begs the question why the software doesn't realize the drive is a member of the array: http://img837.imageshack.us/img837/6145/both.png I'd like to know if anyone has experienced anything similar, and what should i do, can i force the drive to be recognized as a member (without wiping data)?

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  • strange raid5 issue: [closed]

    - by 8steve8
    ok so ive had a 4x2TB(samsung HD204UI w/firmware patch) raid5 array working normally for about a month. It was in a h57 gigabyte motherboard using the intel raid with windows 7 x64. Today I got an intel h67 motherboard, so I upgraded the intel raid drivers to 10.1.0.1008 from 9.6.0.1014, and I'm not sure if i checked after a reboot, but it caused no problems. I swapped in the new dh67 motherboard, and my array status was "failed". 2 of the 4 drives listed themselves as members, while the other two drives listed themselves as non-members. I tried going back to the old h57 mobo, and downgrading the raid drivers, but the issue remains. It's not port dependent, 2 of the drives always come up as non-members regardless of what port or motherboard they are plugged into. the screenshot should show that the SNs match, which begs the question why the software doesn't realize the drive is a member of the array: http://img837.imageshack.us/img837/6145/both.png I'd like to know if anyone has experienced anything similar, and what should i do, can i force the drive to be recognized as a member (without wiping data)?

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  • export to csv using fastercsv and CSV::Writer (Ruby on Rails)

    - by Venkat
    What am I trying to do: export data to csv. I have a form which allows user to select the format (from a drop down menu). So based on the selection of the format the ouput is displayed using a ajax call. Works fine for html but when I select the format as csv I don't see any pop up on the screen (asking to save or open the file) and neither any file gets downloaded directly. I tried using Fastercsv (but the problem is that I don't see any pop up asking me whether I want to save or open the file) and CSV::Writer where I get this error message on the console. NoMethodError (You have a nil object when you didn't expect it! The error occurred while evaluating nil.bytesize): actionpack (2.3.4) lib/action_controller/streaming.rb:142:in `send_data' Code using Fastercsv: def export_to_csv csv_string = FasterCSV.generate(:col_sep => ",") do |csv| members = ["Versions / Project Members"] members_selected.each {|member| members << Stat.member_name(member)} Stat.project_members(project).each {|user| members << user.name} csv << ["some text", "text 2", "text 3"] end return csv_string end and this is how I am sending the data: send_data(export_to_csv,:type => 'text/csv; charset=iso-8859-1; header=present', :disposition => "attachment", :filename => "filename.csv") I see the response as "some text, text 2, text 3" in the firebug console but no pop up asking whether I want to save or open the file. This is what I am doing using CSV::Writer: def export_to_csv report = StringIO.new CSV::Writer.generate(report, ',') do |csv| csv << ['c1', 'c2'] end end and call it as: send_data(export_to_csv,:type => 'text/csv; charset=iso-8859-1; header=present', :disposition => "attachment", :filename => "filename.csv") This is the error which is thrown on the console: NoMethodError (You have a nil object when you didn't expect it! The error occurred while evaluating nil.bytesize): actionpack (2.3.4) lib/action_controller/streaming.rb:142:in `send_data'

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  • Face morph and recognition

    - by startuper
    I have two requirements: members of a social network choose other member's faces and morph an average face of them. The website finds other members' faces that resemble the morphed face and list up in order of resemblance. Is there a script that can do this? I see that http://www.faceresearch.org/demos/average does the item 1 but they don't license their technology. Please help. Thank you in advance.

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  • WPF-Prism CanExecute method not being called

    - by nareshbhatia
    I am coding a simple login UserControl with two TextBoxes (Username and Password) and a Login button. I want the Login button to be enabled only when the username and password fields are filled in. I am using Prism and MVVM. The LoginViewModel contains a property called LoginCommand that is bound to the Login button. I have a CanLoginExecute() method in my ViewModel but it fires only when the application comes up and then never again. So the Login button is never enabled. What am I missing? Here's my xaml: <TextBox x:Name="username" Text="{Binding Path=Username, UpdateSourceTrigger=PropertyChanged, ValidatesOnDataErrors=True}" /> <TextBox x:Name="password" Text="{Binding Path=Password, UpdateSourceTrigger=PropertyChanged, ValidatesOnDataErrors=True}" /> <Button Content="Login" cmnd:Click.Command="{Binding LoginCommand}" /> Here's my ViewModel class LoginViewModel : IDataErrorInfo, INotifyPropertyChanged { public LoginViewModel() { this.LoginCommand = new DelegateCommand<object>( this.LoginExecute, this.CanLoginExecute); } private Boolean CanLoginExecute(object dummyObject) { return (string.IsNullOrEmpty(Username) || string.IsNullOrEmpty(Password)) ? false : true; } private void LoginExecute(object dummyObject) { if (CheckCredentials(Username, Password)) { .... } } #region IDataErrorInfo Members public string Error { get { throw new NotImplementedException(); } } public string this[string columnName] { get { string result = null; if (columnName == "Username") { if (string.IsNullOrEmpty(Username)) result = "Please enter a username"; } else if (columnName == "Password") { if (string.IsNullOrEmpty(Password)) result = "Please enter a password"; } return result; } } #endregion // IDataErrorInfo Members #region INotifyPropertyChanged Members public event PropertyChangedEventHandler PropertyChanged; void OnPropertyChanged(string propertyName) { if (PropertyChanged != null) PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } #endregion // INotifyPropertyChanged Members #region Properties private String _username; public String Username { get { return _username; } set { if (value == _username) return; _username = value; this.OnPropertyChanged("Username"); } } private String _password; public String Password { get { return _password; } set { if (value == _password) return; _password = value; this.OnPropertyChanged("Password"); } } public ICommand LoginCommand { get; private set; } #endregion // Properties }

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  • Is there a C# secure socket other than SSLStream?

    - by AI0867
    .NET 2.0 provides only the System.Net.Security.SslStream class for secure sockets in .NET 2.0 and higher, but this uses the Stream interface, which provides the blocking Read/Write members and asynchronous Begin{Read,Write} members. I'm looking for a class that provides functionality similar to System.Net.Sockets.Socket. Specifically, something resembling Poll/Select, so I can handle multiple sockets in a single thread without blocking. The mentalis security library supplies a SecureSocket class, but is explicitly unsupported for versions greater than .NET 1.1.

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