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• Quote of the Day: On Choosing To Succeed

  - by BuckWoody

  If you want to do something you will find a way. If you do not want to do something you will find a reason. -Unknown Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• Is hashing of just "username + password" as safe as salted hashing

  - by randomA

  I want to hash "user + password". EDIT: prehashing "user" would be an improvement, so my question is also for hashing "hash(user) + password". If cross-site same user is a problem then the hashing changed to hashing "hash(serviceName + user) + password" From what I read about salted hash, using "user + password" as input to hash function will help us avoid problem with reverse hash table hacking. The same thing can be said about rainbow table. Any reason why this is not as good as salted hashing?

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• Can I take up another part-time job when working with a typical IT company in India? [closed]

  - by learnerforever

  Hi, I know that this kind of question might depend from policies of company to company, but how does it look like in a typical IT company in India? Can I take up another part-time job when working full time in a typical private IT company in India? Is there any indian employement law preventing it(for whatever reason)? This part-time job could be a job on weekends or some online part-time freelancing programming job, which I manage to do on weekends or on weekdays after office hours. Thanks,

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• Reasons Programmers Leave

  - by Kane

  I am interested in finding out why programmers leave their jobs and if the reasons for leaving have resurfaced in your now job? Is the reason for leaving simply down to remuneration, location, I hate my boss / coworker, lack of recognition or retirement / new career path. Update: I am responsible for a team of programmers and testers and I would like to better understand what could motivate my team to leave, and hopefully try to address such issues.

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• How to Build a Squeeze Page Fast - 4 Steps to Building a Squeeze Page Fast

  If you are an internet marketer, you need to be able to build your squeeze page fast. The reason for this is that you need to be able to collect subscribers as fast as possible.

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• A Web Development From Different Perspective

  The purpose of creating of a site can be for business or personal reason because the current Technology is advance and it has made web development a convenient process and in fact the benefits of tec... [Author: Alan Smith - Web Design and Development - March 21, 2010]

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• Why Solid-State Drives Slow Down As You Fill Them Up

  - by Chris Hoffman

  The benchmarks are clear: Solid-state drives slow down as you fill them up. Fill your solid-state drive to near-capacity and its write performance will decrease dramatically. The reason why lies in the way SSDs and NAND Flash storage work. Filling the drive to capacity is one of the things you should never do with a solid-state drive. A nearly full solid-state drive will have much slower write operations, slowing down your computer.    

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• Payment Gateway options other than Paypal, for sending out mass payments

  - by Rishav Rastogi

  We were using Paypal Payment pro earlier for the same thing, but for some reason Paypal has been given some new guideline which kinda hinder with the way we need to send out payments at the moment. We receive payments from clients and then send out payments back to vendors on a weekly basis ( deducting our cut ). Can you let me know what options are available to for such transactions other than paypal ? which is the best in terms cost of setup etc. Thanks

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• Algorithm to generate multifaced cube?

  - by OnePie

  Are there any elegant soloution to generate a simple-six sided cube, where each cube is made out of more than one face? The method I have used ended up a horrible and complicated mess of logic that is imopssible to follow and most likely to maintain. The algorithm should not generate reduntant vertices, and should output the indice list for the mesh as well. The reason I need this is that the cubes vertices will be deformed depending on various factors, meaning that a simple six-faced cube will nto do.

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• Using tar, the entire folder structure is including, I don't want that

  - by Blankman

  I am taring a folder and for some reason the entire directory structure that preceds the folder I am tarring is included. I am doing this in a script like: 'tar czf ' + dir + '/asdf.tgz ' + dir + 'asdf/' Where dir is like: /Downloads/archive/ In the man pages, I see I can fix this but I can't get it to work. I tried: tar czf -C dir ... But now I have some kind of a file -C in my folder (which I can't seem to delete btw!). Please help!

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• Why is Clean Code suggesting avoiding protected variables?

  - by Matsemann

  Clean Code suggests avoiding protected variables in the "Vertical Distance" section of the "Formatting" chapter: Concepts that are closely related should be kept vertically close to each other. Clearly this rule doesn't work for concepts that belong in separate files. But then closely related concepts should not be separated into different files unless you have a very good reason. Indeed, this is one of the reasons that protected variables should be avoided. What is the reasoning?

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• The Brother MFC 9420CN Printer Basically Makes Your Life Easier

  The Brother MFC 9420CN Printer is a great printer for any home office or small business.. The reason that it is so beneficial is because it can literally do just about everything that a business need... [Author: Ben Pate - Computers and Internet - March 29, 2010]

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• Is the SAN dying???

  - by RickHeiges

  Is the SAN dying? The reason that I ask this question is that MSFT has unleashed technologies this year that point in that direction Always ON Availability Groups shuns shared storage Windows 2012 has Storage Replication Technology that does not require a SAN Windows 2012 has Hyper-V Replica Technology that does not require a SAN PDW v2 continues to reinforce the approach to avoid shared storage I'm not saying that SAN technology does not have its place or does not have benefits inherent to the beast....(read more)

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• How can I determine which version of FFMPEG comes by default?

  - by Ryan McClure

  I am honestly confused beyond belief about my package that I have installed for FFMPEG. It is, according to Synaptic, version: 4:0.8.1-1really0u1 For some reason, I feel like this is not the version that would come in the repositories and I feel like another PPA that I may have used installed a wrong version. I believe it was the VLC PPA for nightly builds. Can anyone who does not have this PPA on their system tell me what version of FFMPEG they are running?

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• CryptographicException: The handle is invalid.

  - by Wil Peck

  More than once I have come across the issue where we have had a problem using an X509Cert from the certificate store.  Everything is configured properly in the certificate store but when we attempt to create the signature we end up with a cryptographic exception for no apparent reason. See CryptographicException: The handle is invalid post by Benoit Martin explains the problem and shows how this issue can be resolved. Technorati Tags: Exceptions,Help,Cryptography

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• ACPI _OSC control

  - by nmc

  I've noticed an error from dmesg output that ubuntu canot enable ASPM: [ 0.192722] pci0000:00: ACPI _OSC support notification failed, disabling PCIe ASPM [ 0.192728] pci0000:00: Unable to request _OSC control (_OSC support mask: 0x08) While I know that this is not a bug, I'd like to ask if there is a way to correct it and enable ASPM, the reason being that it should increase battery life (powertop shows that PCIe is always 100% on). Edit: I am running on an ASUS eee pc 1015px with the latest bios version (1401)

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• Why Games Don't Get Ported to Linux - A Game Dev Speaks

  <b>Blog of Helios:</b> "But to quote Yoda, "Short of native game choices we are." There's a reason for that...I mean aside from the myth that the Linux market is too small to support game development."

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• Gnome Do does not autostart and save shortcut in 11.10

  - by Matt

  For some reason the autostart of Gnome-Do will not work in 11.10. I've installed Gnome-Do via the Ubuntu Software Center. Then I changed the shortcut to launch Gnome-Do and marked the option to autostart Gnome-Do within Gnome-Do. In order to verify the autostart, I checked whether it's also found in the autostart applications (which it was). However, upon every restart I have to start Gnome-Do manually via the unity launcher and change the shortcut again.

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• Why don't xUnit frameworks allow tests to run in parallel?

  - by Xavier Nodet

  Do you know of any xUnit framework that allows to run tests in parallel, to make use of multiple cores in today's machine? I don't... If none (or so few) of them does it, maybe there is a reason... Is it that tests are usually so quick that people simply don't feel the need to paralellize them? Is there something deeper that precludes distributing (at least some of) the tests over multiple threads? Thanks!

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• What's the difference between cheap and expensive domain registrars?

  - by Joel

  A few years ago I registered a domain with Network Solutions. In recent years I've been using cheaper services such as namecheap, powerpipe etc. Every time that I need to renew some of the older domains with Network Solutions I am surprised at how much expensive they are. What is the reason for the price differences between the services? Why should I use a service like Network Solutions if there are so many companies out there that offer domain registration for a very cheap price?

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• New hidden parameters in Oracle 11.2

  - by Mike Dietrich

  We really welcome every external review of our slides. And also recommendations from customers visiting our workshops. So it happened to me more than a week ago that Marco Patzwahl, the owner of MuniqSoft GmbH, had a very lengthy train ride in Germany (as the engine drivers go on strike this week it could have become even worse) and nothing better to do then reviewing our slide set. And he had plenty of recommendations. Besides that he pointed us to something at least I was not aware of and added it to the slides: In patch set 11.2.0.2 a new behaviour for datafile write errors has been implemented. With this release ANY write error to a datafile will cause the instance to abort. Before 11.2.0.2 those errors usually led to an offline datafile if the database operates in archivelog mode (your production database do, don’t they?!) and the datafile does not belong to the SYSTEM tablespace. Internal discussion found this behaviour not up-to-date and alligned with RAC systems and modern storages. Therefore it has been changed and a new underscore parameter got introduced. _DATAFILE_WRITE_ERRORS_CRASH_INSTANCE=TRUE This is the default setting´and the new behaviour beginning with Oracle 11.2.0.2 If you would like to revert to the pre-11.2.0.2 behaviour you’ll have to set in your init.ora/spfile this parameter to false. But keep in mind that there’s a reason why this has been changed. You’ll find more info in MOS Note: 7691270.8 and this topic in the current version of the slides on slide 255. Thanks to Marco for the review!!   And then I received an email from Kurt Van Meerbeeck today. Kurt is pretty well known in the Oracle community. And he’s the owner of jDUL/DUDE, a database unloading tool which bypasses the Oracle database engine and access data direclty from the blocks. Kurt visited the upgrade workshop two weeks ago in Belgium and did highlight to me that since Oracle 11.2.0.1 even though you haven’t set neither SGA_TARGET nor MEMORY_TARGET the database might still do resize operations. Reason why this behaviour has been changed: Prevention of ORA-4031 errors. But on databases with extremly high loads this can cause trouble. Further information can be found in MOS Note:1269139.1 . And the parameter set to TRUE by default is called _MEMORY_IMM_MODE_WITHOUT_AUTOSGA=TRUE This can be found now in the slide set as well on slide number 240. And thanks to Kurt for this information!!

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• games and rendered surfaces get slow after having computer on for some time

  - by eyecreate

  I have an i5 2500K and nvidia 9600 GT with proprietary driver. For some reason, this set up on 12.04(and was same on 11.10) seems to work fine on boot up, but after about 30 mins of use, games and other accelerated surfaces start running at about 5fps. This is fixed by a reboot to start it all over again. Is there some way I can get rid of this, as I don't have this problem with other systems with Ubuntu?

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• How can I update Ubuntu if the update servers are blocked?

  - by Yasser Hussain

  I connect to the Internet through my college wifi and for some weird reason they have blocked all Ubuntu updates, so I cannot update Ubuntu through the common "Update Manager" way. So I was wondering if there was some other method to update Ubuntu, maybe manually download each package and then install them or download a DVD image which already has all the packages. I have Ubuntu 11.10 installed currently.

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• why some websites changes their short and user friendly URL to long URL?

  - by diEcho

  Hello All, i wonder why some website changes their short and user friendly url to long url like cricinfo.com ---- espncricinfo.com indiafm.com --- bollywoodhungama.com and many others i have seen i just want to know that what is the exact need of doing that?? is there economical reason or what??i think user dont like to write long website name still i also type indiafm.com and browser automatically redirect the URL. (sorry if tags are wrong) Thanks,

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• What causes Nautilus to restart whenever I kill it?

  - by fred.bear

  In htop, I kill Nautilus, and within one second, it's back, with a new PID! The restarted Nautilus shows in the Processes list, but has no GUI until I manually launch Nautilus... I've heard mention of Nautilus works in lockstep with the desktop... maybe that is the reason(?). Is there some sort of "watchdog" program keeping an eye on some distro-critical programs? Monitoring Nautilus doesn't seem like a Linux kernel issue, so I just wonder what is happening here?

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