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• The MsC gray zone: How to deal with the "too unexperienced on engineering/too under-qualified for research" situation?

  - by Hunter2

  Last year I've got a MsC degree on CS. On the beginning of the MsC course, I was keen on moving on with research and go for a PhD. However, as the months passed, I started to feel the urge to write software that people would, well, actually use. The programming bug had bitten me, again. So, I decided that before deciding on getting a PhD degree, I would spend some time on the "real world", working as a software developer. Sadly, most companies here in Brazil are "services" companies that seem to be stuck on the 80s when it comes to software development. I have to fend off pushy managers, less-than-competent coworkers and outrageous software requirements (why does everyone seem to need a 50k Oracle license and a behemoth Websphere AS for their CRUD applications?) on a daily basis, and even though I still love software development, the situation is starting to touch a nerve. And, mind you, I'm already lucky for getting a job at a place that isn't a plain software sweatshop. Sure, there are better places around here or I could always try my luck abroad, but then I hit the proverbial brick wall: Sorry, you're too unexperienced as a developer and too under-qualified as a researcher I've already heard this, and variations of that, multiple times. Research position recruiters look for die-hard, publication-ridden, rockstar PhDs, while development position recruiters look for die-hard, experience-ridden, rockstar programmers. To most, my MsC degree seems like a minor bump on my CV (and an outright waste of time for some). Applying for abroad positions is even harder, since the employer would have to deal of the hassle of a VISA process, which I understand that, sometimes, is too much. Now I'm feeling I've reached a dead-end. I'm certain that development (and not research) is my thing, so should I just dismiss my MsC (or play it as a "trump card") and play the "big fish on a small pond" role while I gather some experience and contribute on some open-source projects as a plus? Is there a better way to handle this?

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• Can I use a 302 redirect to serve up static content from a url with escaped_fragment?

  - by Starfs

  We would like to serve up seo-friendly ajax-driven content. We are following this documentation. Has anyone ever tried to write a 302 redirect into the htaccess file, that takes the '?_escaped_fragment=' string and send that to a static page? For example /snapshot/yourfilename/ How will Google react to this? I've gone through the documentation and it's not very clear. The below quote is from Google's documentation this is what I find. I'm not sure if they are saying that you can redirect the _escaped_fragment_ url to a different static page, or if this is to redirect the hashtag URL to static content? Thoughts? From Google's site: Question: Can I use redirects to point the crawler at my static content? Redirects are okay to use, as long as they eventually get you to a page that's equivalent to what the user would see on the #! version of the page. This may be more convenient for some webmasters than serving up the content directly. If you choose this approach, please keep the following in mind: Compared to serving the content directly, using redirects will result in extra traffic because the crawler has to follow redirects to get the content. This will result in a somewhat higher number of fetches/second in crawl activity. Note that if you use a permanent (301) redirect, the url shown in our search results will typically be the target of the redirect, whereas if a temporary (302) redirect is used, we'll typically show the #! url in search results. Depending on how your site is set up, showing #! may produce a better user experience, because the user will be taken straight into the AJAX experience from the Google search results page. Clicking on a static page will take them to the static content, and they may experience avoidable extra page load time if the site later wants to switch them to the AJAX experience.

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• backface culling error

  - by acrilige

  I write simple software renderer. In my pipeline i have stage of backface culling. But looks like it has some error (see picture). I perform culling right after world transformation. (i can't insert picture in post coz i don't have enough points, so i just upload it (cube model): http://imageshack.us/photo/my-images/705/bcerror.png/) Vector3F view_dir(0.0f, 0.0f, 1.0f); std::vector<Triangle> to_remove; for (Triangle &t : m_triangles) { Vector4F e1 = t.v2 - t.v1; Vector4F e2 = t.v3 - t.v1; Vector3F normal( e1.y * e2.z - e1.z * e2.y, e1.z * e2.x - e1.x * e2.z, e1.x * e2.y - e1.y * e2.x ); normal.Normalize(); float dot = Dot(view_dir, normal); if (dot <= 0) to_remove.push_back(t); } for (Triangle& t : to_remove) m_triangles.erase(std::remove(m_triangles.begin(), m_triangles.end(), t), m_triangles.end()); Camera sits in origin and points in screen (RH). What is the reason?

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• Virtual Networks in Oracle Solaris - Part 5

  - by user12616590

             A         long         time      ago in a    blogosphere   far, far away... I wrote four blog entries to describe the new network virtualization features that were in Solaris 11 Express: Part 1 introduced the concept of network virtualization and listed the basic virtual network elements. Part 2 expanded on the concepts and discussed the resource management features. Part 3 demonstrated the creation of some of these virtual network elements. Part 4 demonstrated the network resource controls. I had planned a final entry that added virtual routers to the list of virtual network elements, but Jeff McMeekin wrote a paper that discuses the same features. That paper is available at OTN. And this Jeff can't write any better than that Jeff... All of the features described in those blog entries and that paper are also available in Solaris 11. It is possible that some details have changed, but the vast majority of the content is unchanged.

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• Shell Script, iterating over a folder

  - by Martin

  I have very basic shell scripting knowledge. I have photos under original folder on many different folder like this folder + folder1 + original + folder2 + original + folder3 + original + folder4 + original Using mogrify I'm trying to create thumbs under a thumb folder following a structure to this. folder + folder1 + original + thumb + folder2 + original + thumb + folder3 + original + thumb + folder4 + original + thumb I'm a little lost in how to write the shell script that may iterate through it. I'm ok giving mogrify its settings but I don't complete understand how to tell the script to go iterate each folder to run the mogrify command.

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• SSD install - what do I need to watch out for when reconfiguring SATA ports?

  - by tim11g

  I installed a Samsung 840 SSD in a Windows 7 machine. It seems to be working fine, but I'm not seeing the expected performance. The AS SSD benchmark gives 76 for read and 138 for write. At the upper left of the benchmark it says "pciide - BAD" and "31K - BAD". I'm assuming the "pciide BAD" means the motherboard (Gigabyte GA-P35-DS4) is configured as IDE emulation and needs to change to native SATA. I don't know what the "31K" refers to. The bios settings look like this: I saw this article that indicates that changing the SATA mode of the boot drive can cause problems (Blue Screen): Error message occurs after you change the SATA mode of the boot drive What is the correct procedure to change the SATA Mode without causing a system failure? Apply the registry change from the MSFT article above first, then reboot and change the SATA mode? Will the SATA mode change in the BIOS affect other drives?

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• How do you keep your basic skills from atrophy?

  - by kojiro

  I've been programming for about 10 years, and I've started to migrate to more of a project management position. I still do coding, but less often now. One of the things that I think is holding me back in my career is that I can't "let go". I think I fear letting hard-won programming skills atrophy while I sit in meetings and annotate requirements. (Not to mention I don't trust people to write requirements who don't understand the code.) I can't just read books and magazines about coding. I'm involved in some open source projects in my free time, and stackoverflow and friends help a bit, because I get the opportunity to help people solve their programming problems without micromanaging, but neither of these are terribly structured, so it's tempting to work first on the problems I can solve easily. I guess what I'd like to find is a structured set of exercises (don't care what language or environment) that… …I can do periodically …has some kind of time requirement so I can tell if I've been goofing off …has some kind of scoring so I can tell if I'm making mistakes Is there such a thing? What would you do to keep your skills fresh?

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• Retrieving a specific value from "df -h" using shell

  - by Diego Dias

  When I use df -h, I get the following output: Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 59G 2.2G 54G 4% / /dev/sda1 122M 38M 78M 33% /boot tmpfs 1.1G 0 1.1G 0% /dev/shm 10.10.0.105:/somepath 11T 8.4T 2.1T 81% /storage4 10.11.0.101:/somepath 15T 8.9T 5.9T 61% /storage1 /dev/mapper/patha 5.0T 255G 4.8T 5% /storage5_vol0 /dev/mapper/pathb 5.0T 195G 4.9T 4% /storage5_vol1 /dev/mapper/pathc 5.0T 608G 4.5T 12% /storage5_vol2 I want to write a script that gets the value of Avail column on a specific storage. I used to use df -k /storage_name | tail -1 | awk '{print $3}' But the FileSystem column can have a value or not .. which would change the variable of my script from $3 to $4. How can I get the Avail on a single command line even if there are no values on the previous columns?

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• Pitching My Software-Should I Get a Patent? [closed]

  - by Mike

  This Thursday I will be filming for a Canadian TV Show where I will be pitching my software to 5 Canadian Millionaires to invest in. The software is ridiculously basic but it is for sports teams, specifically football and basketball teams. (The show won't air till September) I made this in Adobe Flash using Actionscript. I have been selling the software to sports teams in the USA mostly including University Teams for $20. I have only sold 32 copies ($640), but I don't advertise, I just write articles on the subject. Now my question is this: I have no patent on this software since I have been doing this casually. Is it a bad idea to go onto this TV show and ask them for money for a software patent? Or should I be asking money for marketing/other things? Note: I also have no idea how much I should ask for. I know absolutely nothing about software patents but if it matters no other software exists that does this exact thing (however it could be easily duplicated).

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• DOS Batch file to find "new" files by date

  - by Todd McArthur

  My PC has entered an infinite BSOD loop - but I do have access to a safe-mode command prompt. I'm trying to get an idea of "what changed" that might have triggered this. e.g. I might have gotten a virus, or an app update went belly up. I'd like to thus see which files were created/modified in the last few days/week or at least the *.exe, *.dll, *.com, *.bat etc. I thought I was ok with my Batch-fu but I'm stumped on how to write a quick batch file/command that would list the files for me. REM This will find the files, but the results are all muddled REM all EXE files, reverse sort by date, recursively through sub-directories dir *.exe /O-D /S What I'd really like is to find all (executable filetypes) that were created/modified in the last 3-7 days. Can anyone point me in the right direction?

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• In MVC , DAO should be called from Controller or Model

  - by tito

  I have seen various arguments against the DAO being called from the Controller class directly and also the DAO from the Model class.Infact I personally feel that if we are following the MVC pattern , the controller should not coupled with the DAO , but the Model class should invoke the DAO from within and controller should invoke the model class.Why because , we can decouple the model class apart from a webapplication and expose the functionalities for various ways like for a REST service to use our model class. If we write the DAO invocation in the controller , it would not be possible for a REST service to reuse the functionality right ? I have summarized both the approaches below. Approach #1 public class CustomerController extends HttpServlet { proctected void doPost(....) { Customer customer = new Customer("xxxxx","23",1); new CustomerDAO().save(customer); } } Approach #2 public class CustomerController extends HttpServlet { proctected void doPost(....) { Customer customer = new Customer("xxxxx","23",1); customer.save(customer); } } public class Customer { ........... private void save(Customer customer){ new CustomerDAO().save(customer); } } Note- Here is what a definition of Model is : Model: The model manages the behavior and data of the application domain, responds to requests for information about its state (usually from the view), and responds to instructions to change state (usually from the controller). In event-driven systems, the model notifies observers (usually views) when the information changes so that they can react. I would need an expert opinion on this because I find many using #1 or #2 , So which one is it ?

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• Debian pure-ftpd, Restrict access

  - by durduvakis

  I am running Debian Wheezy, with ISPConfig 3, plus ModSecurity and I would like to restrict access to ftp to specific IP(s) globally (not to specific ftp users only), that can be either 127.0.0.1 or one I would manually add later. I would also like to completely disable ftp access from the web, but allow only from ftp-client software (if that is possible). The idea of closing firewall ports is not what I want. I know I can do this setting some firewall rule though, but that is not what I currently need. I have managed to do this for example on phpmyadmin inside it's .conf file, but unfortunately I cannot find any configuration to alter for pure-ftpd in my system. Restricting web-ftp access maybe possible by adding some rule in apache2 conf, but I am not sure how to write such a rule. Thanks to everyone that can help cheers

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• Can't access individual samba shares

  - by Richard Maddis

  I've just installed CentOS and I'm configuring Samba. I have a share with the following in the smb.conf file: [storage] comment = Main storage for all use path = /share public = yes browseable = yes writable = yes printable = no write list = bob root create mask = 0775 guest ok = yes available = yes In Windows Explorer, I can reach the page listing all the shares on the server, but I click on the shares themselves, I get an error saying that the folder cannot be found. I have verified that the folder /share exists and I've also given it 777 permissions so it cannot be due to permissions. What is causing this? I can post more config files if necessary.

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• Win 7 Explorer backup and long paths

  - by user53299

  I use Explorer to do backups because Win 7's backup program asks me to take backups previously done and to put them back in the drive. I am opposed to that idea since I believe backups should remain in storage. With Explorer backups (burn and burn to disc) I have encountered the "destination path too long" error message and it shows the name of a folder "Debug" three times. I have hundreds of folders named "Debug" thanks to Visual Studio. At this moment I'm too angry at Microsoft to write a program to determine my 3 longest paths. (Aside: This is all after coincidentally reading two articles about path junctions earlier this evening which already made me kind of unhappy.) Please, is there an easy way to continue to make backups with Explorer? Edit: I should add that renaming paths wrecks Visual Studio projects so I really need to isolate the small number of problem paths or find a cleaner solution.

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• For Loop counting from 1 to n in a windows bat script

  - by raoulsson

  I need to run a windows command n times within a bat script file. I know how to do this in various programming languages but cannot manage to get it right on the windows command line :-( I would expect something like either for(int i = 0; i < 100; i++) { // do something } or even this (though not entirely seriously) 1.upto(100, { // do something }) Thanks! EDIT I can write a program in java, perl, c or whatever that will generate a bat script that looks like this for %%N in (1 2 3 4 5 6 7 8 9 10 11 12) do echo %%N and so on. Or even "better": echo 1 echo 2 echo 3 echo 4 echo 5 echo 6 echo 7 echo 8 echo 9 echo 10 echo 11 echo 12 and then execute it... But the thing is that I need a concise way to specify a range of numbers to iterate through within the script. Thanks!

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• Interaction .asp with .swf flash - good on IIS6, bad on IIS7

  - by gial

  Hi, all! I can't make my app work after migration from IIS6 to IIS7. Problem is described below. My app: in my app I use 'flash.swf'. This .swf appeals to .asp, which contains only: Response.write "<myNode>test_is_ok</myNode>" .swf must get it and show "test_is_ok". And it is really ok on IIS6 2003, but on IIS7 2008R2 .swf shows me "undefined". Situation: Separate request from IE to .asp gets "test_is_ok" on both computers. If .swf from one computer appeals to .asp on another - nothing works. If I delete .asp, then .swf also shows "undefined", so I think it don't really appeals to .asp on IIS7. Suggest me, please, something, what can help.

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• What's causing "shutdown state" after TFTP reloaded Cisco `running-config` on 871?

  - by xtian

  Cisco CCP Write Configuration borked my 871w config while I was trying to setup port forwarding. I tested the 871's flash memory with fsck and rewrote the minimal config for TFTP (which is the same for Cisco's CCP app.). Thne, I successfully uploaded a previously working running-config from Win Vista using SolarWinds TFTP Server, unfortunately the restore was not entirely successful. The old running config was saved to the 871's startup-config and I can login using console port. Some other things that are working are the hostname and welcome message but that's about it. Startup shows an error SETUP: new interface NVI0 placed in "shutdown" state after tftp. The missing light on the access point modem for ethernet link show the 871'a outside FE4 is not working. SO...what's the possible problem with reloading a previously working config (approximately 4 months with the same config) via TFTP? Is there something I can look for on the 871 to verify the config?

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• USB and CD data cannot be read or mounted in 12.10

  - by aravind4j

  I'm using Ubuntu 12.10. I wrote a data disk using Brasero Disk Burner, but the system cannot read the CD. I tried to write the same data into my HP v220w pen drive but now there is an error in that too. It shows the following: Error mounting /dev/sdb at /media/aravind4j/Aravind4j: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sdb" "/media/aravind4j/Aravind4j"' exited with non-zero exit status 13: $MFTMirr does not match $MFT (record 0). Failed to mount '/dev/sdb': Input/output error NTFS is either inconsistent, or there is a hardware fault, or it's a SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows then reboot into Windows twice. The usage of the /f parameter is very important! If the device is a SoftRAID/FakeRAID then first activate it and mount a different device under the /dev/mapper/ directory, (e.g. /dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation for more details. (udisks-error-quark, 0) I used a NTFS file system for the pen drive as you can recognize from the above statement. I would like to recover the files so please help me recover the files without formatting the drive.

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• Access denied on file system for System Administrator

  - by NLV

  Hello Yesterday I got win32.Saltiy virus and did some damage before my Kaspersky suite caught it. Now I've cleaned all the viruses using Kaspersky but I believe the changes it did to the registry/policies are still there. I'm not able to have write access on the entire file system. It is showing up the access denied the error. I'm in the local system administrators group. I've tried removing and re-adding it (with a reboot). But still no luck. Any ideas on how can I fix this?

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• New website - best practice for requirements specs? [closed]

  - by Alex K.

  Possible Duplicate: Extracting user requirements from a person who does not know how to express himself As a hobby freelancer I'm new to this. I've never had a non-technical client before explain to me what his future website is supposed to do. A person wants me to make a website for him and he basically explained to me what's it about. However, he's not a technical person and he just doesn't understand what I need to know and how to properly describe/explain it to me. When I ask him how a user is supposed to submit an entry to the website he told me "He fills out a form.", which is not really helping me. This was just an example, it goes on for other sections of the website as well which are a lot harder to explain. The website will be aimed at a specific professional user demographic and I have no clue about their profession and how their industry works. I tried to find some good Product Requirements Document templates on Google but none of them really seemed like they could help him understand how to write it so I can understand what he wants/needs. Can somebody please give me a hint on how to deal with such non-technical clients?

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• Unix tool for splitting archives

  - by Richo

  I'm dumping an svn repository to a giant USB disk that is formatted FAT due to necessity (treat this as unchangeable). It conks out when you try to create a file larger than 4 gb. I need a tool that I can pipe data to that will create files of arbitrary size that when catted together will be the original file. I can write a tool to do this, but if one already exists I'd rather use it. Cheers EDIT: A second look at the split man page looks like it might work.

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• maintaining redirects in nginx from an external source

  - by Sascha

  I am in the situation to give our marketing department the opportunity to maintain their redirects by their own. Until now, they passed the information to the IT department and we maintained it for them in nginx.conf. Some of these guys are quite familiar with redirections in IIS or even in apache but it is no option to give them direct access to the nginx configuration. I see, that there is no nginx support for .htaccess files which I could give access to and I would also prefer not to grant write access to an conf-file that nginx includes. I expect, that our marketing will break our nginx setup within hours... Is there a secure possibility without giving them access our the heart of our load balancer?

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• IIS permissions issue pointing docroot to Samba share

  - by lalalalalalalambda

  I have an IIS project which is stored on a Samba shared, network mounted with the following line: X: \\my-samba-server\dev /user:freddie Connectivity is fine, can read/write files from X:. In IIS, I'm trying to set it as the Physical path via \\my-samba-server\dev\folder\to\my\files, which results in the following 500.19 error: Config Error | Cannot read configuration file due to insufficient permissions It is by default trying to use the Pass-through authentication. If I try to set this to connect as the specific user freddie, I receive: The specified user does not exist What is the correct way to connect to a path which has been setup as described above? *Samba man pages indicate version 3.6 is on the Debian host

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• How to mount remote sambe from local host with multiple groups ?

  - by Dragos

  I am using mount.cifs to mount a remote samba share (both client and server are Ubuntu server 8.04) like this: mount.cifs //sambaserver/samba /mountpath -o credentials=/path/.credentials,uid=someuser,gid=1000 `$ cat .credentials username=user password=password I mounted a user from local system with username and password with mount.cifs but the problem is that the user is part of multiple groups on the remote system and with mount.cifs I can only specify one gid. Is there a way to specify all the gids that the remote user has ? Is there a way to: 1) Mount the remote samba with multiple groups on the local system ? 2) Browse the mount from 1) with the terminal since I want to pass some files from samba as arguments to local programs. Other solutions would be: nautilus sftp:// which runs through gvfs but the newer gnome does not write to disk the ~/.gvfs anymore so I can't browse it in terminal. An the last solution would be nfs but that means that I have to synchronize the uids and gids on the local system with the ones from the server.

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• Best Architecture for ASP.NET WebForms Application

  - by stack man

  I have written an ASP.NET WebForms portal for a client. The project has kind of evolved rather than being properly planned and structured from the beginning. Consequently, all the code is mashed together within the same project and without any layers. The client is now happy with the functionality, so I would like to refactor the code such that I will be confident about releasing the project. As there seems to be many differing ways to design the architecture, I would like some opinions about the best approach to take. FUNCTIONALITY The portal allows administrators to configure HTML templates. Other associated "partners" will be able to display these templates by adding IFrame code to their site. Within these templates, customers can register and purchase products. An API has been implemented using WCF allowing external companies to interface with the system also. An Admin section allows Administrators to configure various functionality and view reports for each partner. The system sends out invoices and email notifications to customers. CURRENT ARCHITECTURE It is currently using EF4 to read/write to the database. The EF objects are used directly within the aspx files. This has facilitated rapid development while I have been writing the site but it is probably unacceptable to keep it like that as it is tightly coupling the db with the UI. Specific business logic has been added to partial classes of the EF objects. QUESTIONS The goal of refactoring will be to make the site scalable, easily maintainable and secure. 1) What kind of architecture would be best for this? Please describe what should be in each layer, whether I should use DTO's / POCO / Active Record pattern etc. 2) Is there a robust way to auto-generate DTO's / BOs so that any future enhancements will be simple to implement despite the extra layers? 3) Would it be beneficial to convert the project from WebForms to MVC?

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