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• Java : Oracle dévoile la roadmap pour JDK 8, la publication de la version finale prévue pour septembre 2013

  Oracle dévoile la roadmap pour JDK 8 la publication de la version finale prévue pour septembre 2013 Le mois dernier, Oracle a publié lors de la conférence Qcon une feuille de route pour Java qui prévoit une sortie de JDK 8 en 2013, JDK 9 en 2015, JDK 10 en 2017, JDK 11 en 2019 et JDK 12 en 2022. La firme revient aujourd'hui fournir plus de détails et les dates de sortie de la prochaine version de la plateforme de développement. Mathias Axelsson, gestionnaire de versions du JDK chez Oracle a publié sur la liste de diffusion jdk8-dev, les dates de livraison des différentes préversions «Milestone» qui intégreront ...

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• Installing RVM on 11.10

  - by Guided33

  I have been trying to get RVM properly installed on my system for 10 hours. The problem is, that when ever I run the command to download the install script I get this: edu@edu-VirtualBox:~$ bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer) mkdir: cannot create directory `/usr/share/ruby-rvm': Permission denied If I run the command with sudo, I can get it installed, but then that leads to a whole host of other issues. Every tutorial I read says that you should not be installing rvm with sudo for a single user install. Why can I seem to get it installed without running sudo?

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• Why fgetc too slow?

  - by user14284

  I've written a program that reads an whole file via fgetc: while ((c = fgetc(f)) != EOF) { ... } But the program is too slow. When I changed fgetc to fread, static unsigned char buf[4096]; while ((n = fread(buf, 1, sizeof(buf), f)) > 0) { ... } the program works about 10 times faster. Why? As I know, fgetc is a buffered function, so it should work as fast as the second version with explicit buffer, isn't it?

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• Free Mobile passe largement la barre des 3 millions d'abonnés et en vise trois fois plus sur le moyen terme

  Free lance le forfait mobile à 2€ Et l'illimité à 3Go par mois pour moins de 20€ Mise à jour du 10/01/12 « L'oligopole des opérateurs s'est entendu avec l'Etat sur le forfait RSA. En interne, nous on l'appelle le forfait arnaque-raquette ». Le ton est donné, Xavier Niel, PDG fondateur de Free, n'est pas là pour être diplomate. « Plus vous êtes pauvres, et plus on vous en met dans la tête ! ». Pour bien montrer que ces opérateurs « nous prennent pour des pigeons » et pour se placer en chevalier blanc sur un marché biaisé, Free prend l'exemple symbolique de ces abonnements « sociaux » au prix de 10€ par mois.

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• How do I download a corrupted package again?

  - by user64720

  Ubuntu 12.04 can't install Firefox 13 update, because the package is corrupted. While attempting to install, returns this error (I translated it from my language to English). /var/cache/apt/archives/firefox_13.0+build1-0ubuntu0.12.04.1_i386.deb W: Waited for dpkg --assert-multi-arch but was not there - dpkgGo (10: There are no "child" processes). I can tell that the package at /var/cache/apt/archives/firefox_13.0+build1-0ubuntu0.12.04.1_i386.deb is corrupted, but even as admin, I can't delete it in order to be downloaded again. How should I proceed? EDIT: There was a single package causing this conflict, please report here to understand all the situation: Why can't I install from software center?

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• Apple - Android : HTC contre-attaque en demandant comme Nokia l'interdiction totale d'importation et

  Mise à jour du 13/05/10 Apple ? Android : HTC contre-attaque En demandant comme Nokia l'interdiction totale d'importation et de vente des iPhone, iPad et iPod HTC met ses pas dans ceux de Nokia. Dans l'affaire qui l'oppose à Apple (lire ci-avant), la société a décidé de contre-attaquer en utilisant la méthode forte, tout comme le constructeur finlandais. HTC, principal utilisateur du système d'exploitation mobile de Google, répond à Apple en l'accusant à son tour de violation de brevets. L'affaire sera portée devant la décidément très occupée ITC (U.S. International Trade Commission). Mais HTC ne s'arrête...

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• Trouble with Ubuntu 12.10 install/evaluation

  - by Mike H

  I am trying to install Ubuntu 12.10 onto my Compaq Presario SR1215CL. I downloaded ubuntu-12.10-desktop-i386.iso file using BitTorrent and burned it to a blank DVD-RW. When I boot the computer with the Live Disk in the disk tray I am able to get to the Welcome screen. If I click on "Try Ubuntu" I am left at a blank screen except for the desktop background. There are no menus, toolbars, icons, etc. If I press Ctrl+Alt+Delete at this stage I am able to log out of the Live Session, but am unable to log back in. If I click on "Install Ubuntu" instead, I am able to proceed fairly far into the installation process, but eventually it quits and drops me to the same blank screen as above. I'm not sure at which stage the installer quits, but it does ask me to identify the issue and solve the problem myself from inside the Live Session, which doesn't work. Does anyone have some suggestions on how to get Ubuntu installed and working?

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• copying same file name from client to server using tcp protocol with same size of file

  - by user3686570

  This is the client and server program where a client sends a file to server to save in the server. There is a issuse in that same file name is not getting copied on the server with same file size Please help me in this Client program import socket import sys s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect(("localhost",9999)) path=raw_input("Please enter the complete PATH of your file : ") f=open (path, "rb") l = f.read(256) while (l): s.sendall(l) l = f.read(10000) s.close() Server Program import socket import sys s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.bind(("localhost",9999)) s.listen(10) while True: s, address = s.accept() print address i=1 f = open( str(i),'wb') #open in binary #i=i+1 while (True): l=s.recv(256) #while (l): f.write(l) l=s.recv(256) print 'File recieve succesfully' f.close() #sc.close() s.close() Thanks in advance

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• Is the Lenovo Ideapad Z570 fully compatible with 12.04?

  - by umpirsky

  I'm looking for some notebook that will run on Ubuntu perfectly. I like LENOVO IdeaPad Z570, but I'm not sure how it will perform on Ubuntu. I heard people are complaining about wireless problems. Here is full configuraion: Processor Intel Core i5 2430M 2.4GHz - 3.0GHz Chipset Intel HM65 Express Memory 4GB DDR3 1333MHz Graphics NVIDIA GeForce GT 520M 1GB HDD 750GB SATA II Wireless 802.11b/g/n, Bluetooth 2.1 Network adapter Ethernet LAN 10/100Mbps Ports VGA, HDMI, 3x USB 2.0, eSATA Does anyone have experience with this model? Any problems noted? I heard there is a test suite, how can I install it? Maybe I can boot live CD and try it myself before buying it. But, unfortunately, sometimes something works on live CD, but not when you install it. I guess critical components here are graphics and wireless. Any feedback would be appreciated.

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• Ubuntu 12.04 Battery problem

  - by Rahul

  I have my laptop ( Dell Inspiron 14R) on dual boot with Ubuntu 12.04 and Windows 7. While using Windows 7, I used to get about 2.5-3 hours on battery fully charged (with my cellphone connected for 3g Internet). The battery is almost 2 years old. But in Ubuntu 12.04, I'm getting only about 1-1.5 hrs on battery. I tried installing jupiter, also tried some tweaks that were mentioned in the forums, like editing the grub file. But nothing seems to work. I am not sure if any app is draining the battery. The one application that I use always is firefox. It's always open. Is there any way I could get at least 2.5 hrs of battery time?

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• Taking web sites offline for demonstration on Galaxy Tablet

  This article is the Android sequel to the initial article about how to prepare an offline version of your web site for the purpose of demonstration or for exhibitions: Taking web sites offline for demonstration. If you didn't read the original article, please take some minutes (5 to 10 maximum) to gain a better understanding on the following. Thanks. I'm going to describe my steps using a Samsung Galaxy Tab 10.1 running on Ice Cream Sandwich (ICS - version 4.0.4) but I would assume that any other Android-based device will show more or less the same results. Transferring the prepared archive to your Android device

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• High Tech Product Companies: Benchmark Your Sales & Marketing Data Management

  - by user709269

  Aberdeen’s Q4 2010 Quarterly Business Review found that 74% of the Sales and Marketing organizations in High Tech product manufacturing have strategic CRM initiatives in 2011. Aberdeen Group is conducting a survey that will help high tech product companies such as yours determine the Best-in-Class procedures for capturing, managing, and disseminating business data. If your product company is planning on implementing a CRM solution or is simply evaluating the potential benefits, we would appreciate your feedback in this brief, 10-minute survey. You will be able to compare your experiences in leveraging customer information for sales and marketing compare with your peers, benchmark your performance, and see how you can achieve Best-in-Class results. Individual responses will be kept strictly confidential, and data will only be used in aggregate. In appreciation for sharing your time and thoughts with us, we will provide complimentary access for you to the full benchmark report as soon as it is published (a $399 value). Take the survey.

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• doing a full permutation search and replace on a string

  - by user73307

  I'm writing an app that does something like a custom number (licence) place generator tool where if I ask for the plate "robin" it will suggest I try: r0bin rob1n r0b1n Are there any published algorithms which can do this? It has to be able to handle replacing single letters with multiples, e.g. m with rn and vise-versa and not fall over if it replaces an i with an l then comes to check the l and replaces it back to an i. The list of what gets swapped with what is going to be user input but I'm not expecting a huge list, possibly 10 pairs at most. I'll be implementing this in Ruby or Python but I should be able to convert code from any other language.

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• L'emploi des cadres en informatique devrait progresser de 9 à 21 % en 2011, selon l'APEC

  L'emploi des cadres en informatique devrait progresser de 9 à 21 % En 2011, selon l'APEC L'Agence pour l'Emploi des Cadres (APEC) est optimiste. D'après ses estimations, 175.000 recrutements de cadres (en fait entre 169.000 et 181.000) auront lieu en 2011. Une hausse qualifiée de « sensible » (entre +3% et +10% par rapport à 2010) due à une reprise des investissements des entreprises. Si les cadres commerciaux représentent la première fonction de recrutement (pour reprendre la terminologie de l'APEC) et les cadres de recherche et développement la deuxième, les fonctions informatiques devraient bien figurer avec une forte croissance des embauches allant de +9 à +21%. ...

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• Second monitor not coming back on after going into hibernate

  - by dabraude

  10 and a new problem has come up. When I my machine hibernates the second monitor does not come back on. I did not have this problem in 11.04. The main monitor is plugged into a vga port, and the second plugged into a display port then an adapter to vga the system is a Dell Optiplex 790 and the graphics card is (according to lspci) a VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) I am running the classic Gnome desktop though the problem occurs in Unity as well.

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• Media Hint Brings Hulu, Netflix, and Pandora to non-U.S. Residents

  - by Jason Fitzpatrick

  Chrome: If you’re outside the United States you know all too well how irritating it can be when you’re denied access to streaming services because of your location. Stop missing out and start streaming with Chrome extension Media Hint. So what’s the secret sauce? The extensions routes your traffic–just the traffic for the streaming service–through U.S.-based proxies so you can enjoy content unavailable in your home country. The extension requires no configuration or registration, simply install it and visit Hulu, Netflix, or Pandora to start streaming. Media Hint is a free extension, Chrome only. Media Hint [via Digital Inspiration] 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8

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• PC noisy due to high load - why?

  - by Jinx

  I just installed an ubuntu on my pc(Dell Inspiration I560SR-358, with CPU E5700 3GHz, 4G memory, and NVIDIA GeForce G310). The pc becomes noisy before that it's quiet with a windows 7 on it. How come? How to set it to be quiet again in unbuntu 10.04. One of the two cpu usage is always 100%. I think that is the reason. //re-edit Everything gets ok after I restart the computer.But the fan is still running which makes it noisy, if i switch to windows 7, it becomes quiet again.

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• Ubuntu swappiness

  - by Viswanath Kuchibhotla

  I have a laptop with 4 GB RAM and i3 processor. It runs very fast when I use windows, but it keeps slowing down on my Ubuntu when I use it continuously. I noticed that 500mb+ swap is getting used even if only 20% of RAM is only used, and I have a doubt that this is the reason for the slowness. I have already set the swappiness value to 10. Then how else can I change it? I spend most of my time in Ubuntu so this is very important for me.

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• Try/Catch or test parameters

  - by Ondra Morský

  I was recently on a job interview and I was given a task to write simple method in C# to calculate when the trains meet. The code was simple mathematical equation. What I did was that I checked all the parameters on the beginning of the method to make sure, that the code will not fail. My question is: Is it better to check the parameters, or use try/catch? Here are my thoughts: Try/catch is shorter Try/catch will work always even if you forget about some condition Catch is slow in .NET Testing parameters is probably cleaner code (Exceptions should be exceptional) Testing parameters gives you more control over return values I would prefer testing parameters in methods longer than +/- 10 lines, but what do you think about using try/catch in simple methods just like this – i.e. return (a*b)/(c+d); There are many similar questions on stackexchnage, but I am interested in this particular scenario.

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• ETL Software Research Question

  - by WernerCD

  Where I work, we use an in-house ETL solution that's homegrown and has been around for 5-10 years. I'm still new to my data analysis job, but I was wondering about the ETL tools that are out there. This is a new area for me. My situation, and job, is basically digging in a set of databases (DB2, SQL2005, Citrix, Ancient Cobol Database with a SQL Wrapper on top, MySQL, etc). Gather the desired information. combine the different datasets into one set. output into a file of choice (CSV, Tab Separated, Pipe Separated, XLS, etc). FTP to customer. I guess what my real question is, given my job, what are some good ETL suites that I can look at and compare to my in-house tools? This is more to research some other options. Ultimately, I'd either suggest a new solution or get options/ideas to improve our current app.

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• want help in removing packages

  - by mubarak pathan

  I'm using ubuntu 13.10 alongside w-7. I was tring to solve over heating problem. then by mistakely i install 2 packages from s/w center. when I boot up PC next time it is giving me error like that "system is running in low graphics.. " and I'mm not ablle to boot any more. when I checked newly install packages by command "cat /var/log/dpkg.log | grep "\install\"" then I found they are named as, ebtables:amd64 2.0.10.4-2ubuntu2 and ureadahead:amd64 0.100.0-16 I triend removing those packages by command "sudo ap-get remove ebtables:amd64" but it is giving error... so please buddy help me if u can ..

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• Why is the font spacing on some websites broken?

  - by user950731

  I am using Ubuntu 12.04 on a Dell Studio 15 and so far am really impressed. I could not find a solution for my problem by googling. The fonts on some websites do not have proper spacing. they overlap and are very hard to read that way. I am using the Ubuntu standard fonts and have not changed them after installing. Here is a screencap that shows my problem. The problem occurs in Firefox and Chrome the same way, and on the same websites. Thanks for your help. Best regards el

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• Is there a way to suppress one specific message from syslog?

  - by vava

  I'm getting a lot of Dec 27 08:35:49 htpc kernel: [ 1552.153797] pciehp 0000:00:1c.5:pcie04: Card not present on Slot(0-2) Dec 27 08:35:49 htpc kernel: [ 1552.157744] pciehp 0000:00:1c.5:pcie04: Card present on Slot(0-2) messages in my syslog, about 10 every second. That just makes syslog unusable, can I somehow get rid of them? I don't know and don't really care about the reason of those messages being there, partly because my motherboard doesn't have pcie slots on it and partly because everything I care about works perfectly. That might be a WiFi chip I disabled in bios but hey, I don't want wifi to be powered on, I'm not using it. So can I just suppress those messages?

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• Software to create a video slideshow?

  - by DisgruntledGoat

  I have a bunch of pictures I'd like to make into a basic slideshow, as a video (e.g. mpeg/avi). What software is available to do this? I started using PiTiVi based on recommendation in another question, which seemed nice at first. However, it's very unstable - just crashed my whole system! Regardless, it won't let me do anything over 10 seconds because the timeline keeps jumping back to the start any time I try and move/resize a clip. All I need is to fade between some images. Anything out there?

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• How is your working time distributed between coding and thinking?

  - by mojuba

  ...in percentage. For example 60/40 or 90/10 or 100/0. My hypothesis is that the bigger the proportion of time you spend thinking the smaller your code can be as a result (and the less time will be needed to write it down). Think more, write less, in other words. Do you think it is true? As a side note, I think in typical software companies thinking is not part of the culture anyway: you are usually supposed to be sitting there at your computer typing something. You will almost definitely be noticed by your managers if you wander about with a blank look thinking over your next steps with your code. Too bad.

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