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• Identify malicious subnet

  - by Macros

  I have been experiencing performance issues on a website for a while, and it always seems to hit around the same time. Having analysed the logs I've found a big spike in requests which corresponds with this slowdown, with all requests coming from the same subnet. It feels to me like an attempt to scrape the site (it is a car hire site and the requests are sequential for each IP and with incremental search criteria) and I would like to identify the source. The Subnet in question is 209.67.89.x which I can see is owned by Savvis however I can't reverse DNS any of the IPs - is there any other way I can gain more info on this (other than contacting them direct - I am also doing this)?

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• Sudden Breakthroughs (Miracles at work)

  - by MobileDev123

  Lot of things has been discussed that can be taken as negative things about programmers work. Lets discuss about something good and unexpected things that happen to programmers. Example: (After R&D of two days and a lot of disappointments) You just spend an hour with your PM to explain that some feature due to some problem you are unable to release this module in today's beta... after a lot of arguments you are given an hour to make your app work without this module. You sit on your workstation to make a release and all of a sudden you find what turns out to be a silly little problem.... (you solve it and prepare a desired build) did you face miracle (= sudden, positive surprises?) in your life?? what was your reaction in case you have come through such experience?? (N.B. I know my English is not that good and that's why I'm open to every linguistic mistakes needed to be corrected)

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• Duplicate (Spotify) Icon in launcher

  - by user191231

  I have installed spotify on Ubuntu 13.04 and have locked the icon on the launcher. But when I exit the program fully or even restart and use that icon to open spotify, a new icon is created or a different icon is generated with a ? on it. It is a clean install of Ubuntu 13.04 so was wondering if this is a known bug or if there was a way of making sure it just doesn't created a duplicate icon? N.B it has not happened as of yet to any other program I have installed (Chrome & Steam)

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• netbeans doesn't display properly after permission change

  - by psychok7

  So basically i installed netbeans 7.2 through the site and everything worked fine. I then changed permissions for /var/www so that my apache2 could write on it without problems. After that netbeans started behaving strangely and giving errors and the fonts where all ugly. So i re-installed it but the problem continued. I have options in Tools that don't even show up anymore. If i open with Sudo the fonts come up nicely again, but the amount of options still isn't the same as the original installation Can anyone help me?

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• Uninstalling hard deleted application from Windows7

  - by Gnanasuriyan A

  Unfortunately, I have hard deleted the microsoft sql server folder present in program files folder. So now I need to uninstall the MSSQL server from my machine. I have tried but I got an error something like "The source folder is missing". For resolving this issue, I have manually deleted the MS SQL services using "sc delete" command and I have deleted the MSSQL entry from regedit file also. But still MS SQL server entry available in "Programs and Features" list. Please guide me for solving this issue even I can't able to re install the MSSQL server once again. Thank you guys... Gnanasuriyan A.

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• When should I upgrade to Ubuntu 10.04 (Lucid Lynx)? [closed]

  - by Emyr

  I'm a web developer for a small non-IT firm. When 9.10 came out, I was using it with no adverse effects from about a month before release (iirc, first beta), initially as an upgrade but as a clean install later to ensure my system would be consistent with most other 9.10 systems. The last alpha of 10.04 came out last week, with another 2 weeks before beta. I'm quite eager to do it today, but obviously the usual "not for production systems" notice is still in place. When should I upgrade? Do I need to worry about software installed from source? (./configure, make, make install etc) Is the attraction of a non-brown theme really this tempting for you?

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• Googling query from anywhere

  - by Shagun

  Some times when I am trying out stuff on my terminal, I get some blockade or some error to resolve which I have to copy the error or last message then open my browser and then Google the query. Is it possible for me that I select the message via mouse and when I right click I get a Google it option as I get when I select some text on a browser? PS : I am not asking how to do Google search via terminal or how to browse web via terminal.These were the results I got when I goggled my question. what I want is something more general. Whenever I select a piece of text I should get a "Google me" option with the right click of my mouse(or maybe with pressing of a key or something). I would prefer that the query takes place in a browser and not in a terminal.

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• Unable to access media wiki pages from another computer?

  - by Kathiresan Jeyapandian

  I have set up a web server in my Windows 7 with easyPHP. The website works fine when I browse the locally via localhost or 127.0.0.1. But, unable to open the site from another computer which is in the same LAN or in connected to my LAN. My local IP is in the 10.x.x.x range. The firewall turned off on my private network. I've also tried by changing Listen 127.0.0.1:80 to Listen 80 In httpd.conf but still i'm unable to access the media wiki from other machines. Unable to browse the pages from other machines using localhost or using IP address (Ex: 10.x.x.x). Could you please let me know your suggestions and comments?

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• How do I pull a backup from a Linux server to my Windows PC using rsync?

  - by Nogwater

  I'm currently using sftp to download nightly backups (.tar.gz) from my web host to my desktop computer. I think I'd like to switch to rsync to minimize the bandwidth (and time). I have cygwin installed on my PC, but don't use it for much. I have shell access to my web host via ssh (PuTTY). Let's say my source directory is myserver.com:/home/username/backups/, I want to grab all of the .tar.gz files from there, and I want to save them to C:\Backups\ locally.

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• Implementing cache system in Java Web Application

  - by TGM

  I worked with JPA (Eclipselink implementation) and Hibernate. As I understand these two have great caching systems. I am interested in caching in a Web application and in order to better understand the process I'm trying to implement something on my own. Sadly, I cannot find any in depth documentation about this subject. I'm interested in things like high scalability, sharing memory on different machines and other important theoretical matters. Is there any tutorial or open project I could check out? Thank you! *LE: * I want to cache DB information in POJOs just like JPA or Eclipselink

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• Will the VMs on the ESXi cluster be running after disconnection from the network?

  - by John

  What will happen if I disconnect the ESXi cluster configured with HA from the switch(I need to change the power source on the main switch) and there is no management port redundancy? I'm going to disable the host monitoring and VM monitoring within HA settings, and connect to the switch after it boots up. Will the virtual machines be running if I disconnect the hosts from the network so they will not see any other ESXi host? I hope everything will work fine and the hosts will join the cluster after they connect to the network again, but I would like to be sure ..

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• solutions for a webserver dedicated to manage permissions/ACL and (reverse) proxying API servers?

  - by giohappy

  I'm considering various layouts to expose various HTTP API services (running on their own differents servers) through a frontend server dedicated to manage permissions on behalf of the API services. I've considered various options, from the classical ones like Nginx, Apache, etc. to HAProxy, passing by the various Python webserver solutions like Tornado, Twisted (which gives me the opportunity to implement my own ACL system easily). The foundamental feature is high performance and scalability, and the ability to manage fine grained ACL rules (similar to the HAProxy ACL system) I would like to know what is a suggested approach to setup what I need, and if (opne source) ready-to-use solutions are already available dedicated to this.

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• Why Does Unity on Ubuntu 11.04 Lags Often That I have To Manually Shutdown/Restart my Core i3 Laptop?

  - by user20655

  I did a fresh install of Ubuntu then do did some upgrades. After my next restart when I try to open Ubuntu Software Center it took about 20 seconds for the window to load then 10 more seconds before it became click able. While doing some installation of software, Unity lags like hell that every time I click any application it takes a few seconds before I can see it. Even GEdit take a lot of time to load. The worst part was when I was doing nothing to my computer. Even on that part, my computer lags. My Laptop is a Brand New Core i3 with 2GB of RAM. Unity should run perfectly on that kind of machine right? BTW: I reinstalled Ubuntu 11.04 for about 5 times now and still nothing changed.

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• My proposed design is usually worse than my colleague's - how do I get better?

  - by user151193

  I have been programming for couple of years and am generally good when it comes to fixing problems and creating small-to-medium scripts, however, I'm generally not good at designing large scale programs in object oriented way. Few questions Recently, a colleague who has same number of years of experience as me and I were working on a problem. I was working on a problem longer than him, however, he came up with a better solution and in the end we're going to use his design. This really affected me. I admit his design is better, but I wanted to come up with a design as good as his. I'm even contemplating quitting the job. Not sure why but suddenly I feel under some pressure e.g. what would juniors think of me and etc? Is it normal? Or I'm thinking a little too much into this? My job involves programming in Python. I try to read source code but how do you think I can improve me design skills? Are there any good books or software that I should study? Please enlighten me. I will really appreciate your help.

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• Le nouveau Windows Azure est disponible depuis ce matin, la version dévaluation de 90 jours est toujours valide

  Nouveau Windows Azure : des machines virtuelles persistantes sous Linux Du IaaS, et encore plus de technologies open-sources supportées Edit du 08/06/12 : Le nouveau Windows Azure est disponible depuis ce matin (0h15 heure de Paris) Windows Azure, la plateforme Cloud de Microsoft dédiée aux développeurs, continue sa montée en puissance. Depuis hier, plusieurs nouveaux services ont été officiellement annoncés. Parmi ceux-ci, un des plus attendus (et qui a alimenté le plus de rumeurs) est l'arrivée de machines virtuelles - persistantes ? capables de faire tourner des distributions Linux (Ubuntu, OpenSuse, CentOS, SUSE Linux Enterprise Server). Az...

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• How can I convince my boss that ANSI C is inadequate for our new project?

  - by justifiably cowardly

  A few months ago, we started developing an app to control an in-house developed test equipment and record a set of measurements. It should have a simple UI, and would likely require threads due to the continuous recording that must take place. This application will be used for a few years, and shall be maintained by a number of computer science students during this period. Our boss graduated some 30 years ago (not to be taken as an offense; I have more than half that time on my back too) and has mandated that we develop this application in ANSI C. The rationale is that he is the only one that will be around the entire time, and therefore he must be able to understand what we are doing. He also ruled that we should use no abstract data types; he even gave us a list with the name of the global variables (sigh) he wants us to use. I actually tried that approach for a while, but it was really slowing me down to make sure that all pointer operations were safe and all strings had the correct size. Additionally, the number of lines of code that actually related to the problem in hand was a only small fraction of our code base. After a few days, I scrapped the entire thing and started anew using C#. Our boss has already seen the program running and he likes the way it works, but he doesn't know that it's written in another language. Next week the two of us will meet to go over the source code, so that he "will know how to maintain it". I am sort of scared, and I would like to hear from you guys what arguments I could use to support my decision. Cowardly yours,

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• Why is chrome slashing my HTTPS?

  - by John Isaacks

  In Chrome when I view my page the https in the URL has a red slash through it. When I click it, it says: Your connection to www.example.com is encrypted with 256-bit encryption. However, this page includes other resources which are not secure. ... I am not getting the mixed content warning in IE or FF. Is there a way to get Chrome to tell you exactly what/where is causing the issue? I am having trouble finding what is causing Chrome to throw a hissy fit. I searched my source for any http that does not contained https but am not seeing any. It would be nice if there is an easy way to pinpoint the issue.

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• Any reasonable UPS for a Desktop PC, just to shut it down?

  - by Michael Stum

  While I do have a surge protector to protect against overvoltage (hopefully), I have nothing against undervoltage. When a lightning storm hits, I had the lights flickering at some point. The PC continued to run, but it got me thinking of getting a UPS as a way to a) have a clean 120V/60Hz power source and b) have a way to shut down the PC in case something bad happens. I heard not all UPS' protect against power spikes, so I wonder if someone has a recommendation? It does not need to keep the PC on for a long time if the power goes out, it's good enough if it shuts down the PC after 5 minutes or so. There are 2 PCs connected. One is a Core i7-860 with a Radeon 5870 running Windows 7 Ultimate (so quite power hungry. It uses a 600W PSU but I have no measurements of the actual usage), the other one is a Windoes Home Server, running WHS/Windows Server 2003. Any recommendations in the low-price segment?

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• Recommend a web file sharing software please

  - by Baczek

  I'm looking for a web platform to put company files at. My requirements are: should be accessible via a browser should be open source must be installable (dropbox is a no-go) must have an option to put a access time limit on a file must perform garbage collection automatically after a file expires must be able to mark files as public or private an option to protect a file via a pin-code for users without accounts in the system would be nice to have The problem is I don't even know what to search for - all my googling results in either complete groupware solutions or p2p file sharing software. If such a thing doesn't exist, please don't hestitate to say so, so I can crawl to a corner and cry myself to sleep. TIA

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• ubuntu freezes daily

  - by alme1304

  I have been using ubuntu daily for about 2 weeks now. I really like it but I have noticed that it freezes daily when I have things like chromium and firefox open or when I start watching videos. I realize these might be memory intensive apps/actions but I doubt that with my comps specs they would cause it to freeze. When I installed ubuntu, I remember that it warned me about installing it in a ext2 partition and not in a ext4 one. Could that be the issue? and is there a way to fix it without reinstalling? edit: specs are, 1.9gb ram & Intel® Core™2 CPU 6400 @ 2.13GHz × 2; ubuntu 12.04x64

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• Spoof database connection to be local instead of remote

  - by spydon

  I am trying to connect one of our clients "as is" programs to a remote database instead of a local one, they say that they have coded it to be able to do it, but for some reason the program crashes when trying to connect to a remote database. I don't have the source code so I can't really dig much deeper than that and the company does not provide any upgrades or custom modifications. I can succesfully connect to the database through SqlDbx and HeidiSQL so I know that the server is set up correctly. This is why I need to find a way to spoof a remote connection on port 1433 to appear like a local database connection to the program. I thought about editing the hosts file, but it will most likely crash other programs if I bind localhost to another IP than 127.0.0.1. Any ideas?

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• What is wrong with this HTML5 <address> element? [closed]

  - by binaryorganic

  <div id="header-container"> <address> <ul> <li>lorem ipsum</li> <li>(xxx) xxx-xxxx</li> </ul> </address> </div> And the CSS looks like this: #header-container address {float: right; margin-top: 25px;} When I load the page, it looks fine in Chrome & IE, but in Firefox it's ignoring the styling completely. When I view source in firefox it looks like above, but in Firebug it looks like this: <div id="header-container"> <address> </address> <ul> <li>lorem ipsum</li> <li>(xxx) xxx-xxxx</li> </ul> </div>

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• Garage Sale Code &ndash; Everything must go!

  - by mbcrump

  Garage Sale Code     The term “Garage Sale Code” came from a post by Scott Hanselman. He defines Garage Sale Code as: Complete – It’s a whole library or application. Concise – It does one discrete thing. Clear – It’ll work when you get it. Cheap – It’s free or < 25 cents. (Quite Possibly) Crap – As with a Garage Sale, you’ll never know until you get it home if it’s useless. With the code I’ve posted here, you’ll get all 5 of those things (with an emphasis on crap). All of the projects listed below are available on CodePlex with full source code and executables (for those that just want to run it).  I plan on keeping this page updated when I complete projects that benefit the community.  You can always find this page again by swinging by http://garagesale.michaelcrump.net or you can keep on driving and find another sale. Name Description Language/Technology Used WPF Alphabet WPF Alphabet is a application that I created to help my child learn the alphabet. It displays each letter and pronounces it using speech synthesis. It was developed using WPF and c# in about 3 hours (so its kinda rough). C#, WPF Windows 7 Playlist Generator This program allows you to quickly create wvx video playlist for Windows Media Center. This functionality is not included in WMC and is useful if you want to play video files back to back without selecting the next file. It is also useful to queue up video files to keep children occupied! C#, WinForms Windows 7 Automatic Playlist Creator This application is designed to create W7MC playlist automatically whenever you want. You can select if you want the playlist sorted Alphabetical, by Creation Date or Random. C#, WinForms, Console Generator Twitter Message for Live Writer This is a plug-in for Windows Live Writer that generates a twitter message with your blog post name and a TinyUrl link to the blog post. It will do all of this automatically after you publish your post. C#, LiveWriter API

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• IP packet proxy solutions? Riverbed alternative

  - by Ruvan

  I have stumbled upon Riverbed.com's products which basically has the capability to hash chunks of IP data and subsequently store them to disk. I'm looking for an open source / cheaper alternative. WANProxy is the exact equivalent except that it only keeps data in-memory and can't store the data to disk which is a requirement for our solution. I'm basically looking for a proxy which not only looks at the files (filenames) but the data itself being transmitted at the packet level. Anyone? Thanks!

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• Missing shared library for Rhythmbox

  - by user1450120

  After I upgraded from 13.04 to 13.10 my rhythmbox wouldn't work. After many failed attempts I ended up uninstalling and removing all traces of rhythmbox I could find. Now I've reinstalled rhythmbox, and am getting the error rhythmbox: error while loading shared libraries: librhythmbox-core.so.7: cannot open shared object file: No such file or directory I've tried sudo apt-get install librhythmbox* Only to get Reading package lists... Done Building dependency tree Reading state information... Done Note, selecting 'librhythmbox-core5' for regex 'librhythmbox*' Note, selecting 'librhythmbox-core6' for regex 'librhythmbox*' Note, selecting 'librhythmbox-core7' for regex 'librhythmbox*' librhythmbox-core7 is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 4 not upgraded. Any ideas on how to get rhythmbox back to a working state?

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