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• Math behind multivariate testing for website optimization

  - by corkjack

  I am looking for theoretical resources (books, tutorials, etc.) to learn about making sound statistical inferences given (plenty of) multivariate website conversion data. I'm after the math involved, and cannot find any good non-marketing stuff on the web. The sort of questions I want to answer: how much impact does a single variable (e.g. color of text) have? what is the correlation between variables? what type of distribution is used for modelling (Gaussian, Binomial, etc.)? When using statistics to analyze results - what should be considered as a random variable - the web-page element that gets different variations or the binary conversion-or-no-conversion outcome of an impression? There's plenty of information about different website optimization testing methods and their benefits\pitfalls, plenty of information about multivariate statistics in general, do you guys know of resources that discuss statistics in this specific context of website optimization ? Thanks for any info!

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• chrubuntu installation help

  - by Sir_Yoshi

  my friend loaned me his Acer c720 in order to load ubuntu on it. I have previously liberated my netbook and UMPC with Ubuntu but those where normal windows PCs. I have followed all the steps so far in order to enter developer mode yet at the login screen, when I type ctrl+alt+= (F2) nothing happens. the terminal should open up but it does not. Please help me, my friend bought this craptop but does not have wi-fi thus rendering it useless. P.S. how do you right click without an external mouse?

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• How can I make my generic comparer (IComparer) handle nulls? [closed]

  - by Nick G

  Hi, I'm trying to write a generic object comparer for sorting, but I have noticed it does not handle the instance where one of the values it's comparing is null. When an object is null, I want it to treat it the same as the empty string. I've tried setting the null values to String.Empty but then I get an error of "Object must be of type String" when calling CompareTo() on it. public int Compare(T x, T y) { PropertyInfo propertyInfo = typeof(T).GetProperty(sortExpression); IComparable obj1 = (IComparable)propertyInfo.GetValue(x, null); IComparable obj2 = (IComparable)propertyInfo.GetValue(y, null); if (obj1 == null) obj1 = String.Empty; // This doesn't work! if (obj2 == null) obj2 = String.Empty; // This doesn't work! if (SortDirection == SortDirection.Ascending) return obj1.CompareTo(obj2); else return obj2.CompareTo(obj1); } I'm pretty stuck with this now! Any help would be appreciated.

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• Is there a batch processing framework that could be used for C++ applications?

  - by Benjamin

  In my team we develop several command-line C++ applications that work together; they're currently run by hand in separate windows, and after a while managing windows gets really confusing. I'm looking for a better way to manage the processing of these applications; ideally it would have a GUI with the ability to do the following: start applications in a specified order display application status close particular applications Is there anything available that does this type of thing or would we need to develop our own? Is there a better way than this?

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• Des chercheurs dévoilent un processeur à 1000 coeurs intégrés dans une seule puce aux circuits configurables

  Des chercheurs dévoilent un processeur à 1000 coeurs Intégrés dans une seule puce aux circuits configurables Des chercheurs de l'Université de Glascow en Ecosse viennent de dévoiler une prouesse technologique. Alors que les constructeurs multiplient le nombre de coeurs dans leurs processeurs, participant à la démocratisation de la programmation parallèle, le Dr Wim Vanderbauwhede et son équipe, en collaboration avec l'Université du Massachusetts, ont tenté de pousser l'expérience encore plus loin en créant de multiples unités de calculs indépendantes au sein d'une même puce. Pour y arriver, ils ont utilisé des puces de type Field Programmable Gate Array (FPGA). Les transis...

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• Web host that handles excess php mailing [closed]

  - by CyberJunkie

  Possible Duplicate: How to find web hosting that meets my requirements? I'm having trouble choosing a host that meets my application's needs. Please kindly inform me what I should look for when choosing a web host. My application is similar to a reminder service that reminds users of events that they scheduled. I'm sending emails to users through a PHP script. I'm not sending one email to multiple recipients. Each recipient receives a different message. I plan to use cron jobs every minute and expect the application to send roughly 200 individual emails in 1 hour (for a small user base that may grow). I don't have hosting experience with this type of application. I plan to start on a shared host and move up in the future to vps or dedicated. Most shared hosts that I looked into allow 50-100 emails per hour with delays between mailings. What do you recommend?

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• Double equals (Not equality) during assigning Java

  - by FabianCook

  When I tried searching this I would just get things on equality. When I was reading through some documentation for navigation in Android I had come across something I had never seen before. I came across this: mTitle = mDrawerTitle = getTitle(); It almost looks like something you can do in JavaScript where you can take the first not-null variable and assign it to a variable. In JavaScript I would do this: mTitle = mDrawerTitle || getTitle(); And it would return the first not null, in Java, is this double equals usage the equivalent in Java? What is this type of expression called?

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• f12 and ctrl + f5 not working correctly [migrated]

  - by ComatoseDuck

  When I came back to my work computer after being away for a week I found out when I try to clear the cache and refresh the page via ctrl + f5 (or just f5) I get the prompt "Type the Internet address of a document, and Internet Explorer will open it for you" with a drop down list in IE. When I try f5 in Chrome and FF it opens the "Open file" dialog box. When I try to f12 for Dev tools in IE, Chrome & FF it opens up the print dialog box. Why is this happening and what can I do to revert it back to the way it was?

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• Xbox Surface : bientôt une tablette 7 pouces dédiée au jeu ? Microsoft plancherait sur le sujet

  Xbox Surface : bientôt une tablette 7 pouces dédiée au jeu ? Microsoft plancherait sur le sujet Après Apple avec l'iPad Mini, ce serait au tour de Microsoft de se lancer dans la conception d'une tablette de petite taille (7 pouces). À la différence d'autres dispositifs du même type, la tablette de Microsoft sera spécialement optimisée pour le jeu. Selon un article du magazine The Verge des sources proches de Microsoft, le développement du projet aurait même déjà bien évolué. La tablette xBox Surface reposera sur une architecture ARM spécifique avec une bande passante mémoire importante, afin de pouvoir répondre aux besoins d'un GPU plus puissant que celui disponible ...

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• My computter wont shutdown

  - by marijn

  If I try to shutdown my computer it simply takes me back to the login-screen. I looked around and found : Type in terminal: 1. sudo gedit /etc/default/grub 2. Find the line: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" 3. Change this to: GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi=force" 4. Save the file and close the file. 5. Finally, in terminal: sudo update-grub but now there is a new problem. if I try step 5 it says: myname@ubuntu:~$ sudo update-grub [sudo] password for myname: /usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?). myname@ubuntu:~$ I am new whit linux and dont know what to do.

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• Getting wifi working on 14.04

  - by user286114

  I have installed Ubuntu 14.04 on my laptop. When I plug in the ethernet cable the internet works fine, but I can't see any wireless network in the networking manager. The wifi switch is definitely on on my laptop! It's a Dell XPS M1330. I'm not sure what the network card is - how can I find out? nm-tool gives me this: NetworkManager Tool State: connected (global) - Device: eth0 [Wired connection 1] ------------------------------------------- Type: Wired Driver: tg3 State: connected Default: yes HW Address: 00:23:AE:28:FE:A2 Capabilities: Carrier Detect: yes Speed: 100 Mb/s Wired Properties Carrier: on IPv4 Settings: Address: 192.168.1.26 Prefix: 24 (255.255.255.0) Gateway: 192.168.1.254 DNS: 192.168.1.254

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• La Fondation Mozilla contrainte de payer des impôts alors que l'optimisation fiscale des acteurs commerciaux fait de plus en plus débat

  La Fondation Mozilla contrainte de payer des impôts Alors que l'optimisation fiscale de ses concurrents commerciaux fait de plus en plus débat La morale de l'histoire est assez douteuse. Mais le Business n'est pas histoire de morale, c'est bien connu. D'un côté, la Fondation Mozilla. Organisme à but non lucratif de type associatif, elle a pour but de promouvoir l'ouverture et l'universalité des technologies Web (et mobiles) ainsi que le respect de la vie privée et du choix des utilisateurs. Mozilla vient de se faire « redresser » par le FISC américain et devra payer des taxes sur ses revenus, alors qu'elle les jugeait pour sa part non-imposables, car non commerciaux....

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• Internships and certification in IT Business Analyst? [closed]

  - by light

  I'm new in this field, I have almost no experience. But I know here many people who do it every day and have many years of experience behind! And I hope they can help me! Generally, I'm interested to know the following: certificates to fully understand technology and to show to employers maybe you know good places to have an internship (country doesn't matter) EDIT #1: question was changed to be more specific. EDIT #2: thanks, I think the question should be closed, because the question depends from my need, what type of work I want to have).

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• Google Docs : fin de l'export de documents aux « anciens » formats d'Office .doc .xls et .ppt, mais leur support sera toujours assuré

  Google Docs for Business : fin de l'export de documents aux « anciens » formats d'Office .doc, .xls, et .ppt, mais leur support sera toujours assuré par la suite Pas de nouveauté cette semaine pour les Google Apps for Business, mais une annonce qui intéressera les utilisateurs d'anciennes version de Microsoft Office (antérieures à 2007). La suite hébergée de Google ne permettra plus d'exporter des documents aux « anciens » (sic) formats que sont .doc, .xls, et .ppt. Un changement qui prendra effet dès le 1er octobre. Google précise cependant bien que Google Apps for Business continuera de supporter ces formats et qu'il sera toujours possible d'uploader ce type de doc...

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• Most underestimated programming tool [closed]

  - by Anto

  We have many great tools which helps a lot when programming, such as good programmers text editors, IDEs, debuggers, version control systems etc. Some of the tools are more or less "must have" tools for getting the job done (e.g. compilers). There are still always tools which do help a lot, but still don't get so much attention, for various reasons, for instance, when they were released, they were ahead of their time and now are more or less forgotten. What type of programming tool do you think is the most underestimated one? Motivate your answer.

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• Effective Websites - Which Include Page Ranking

  Make your website design in such a way that website visitors would be able to get convinced about benefits of becoming your customers. Try to win their trust and develop their confidence in your products/services. Access to information from your website should be easy and hassle-free. For perfect lead generation identify the type of visitors you wish to visit your website and plan out the ways to attract them accordingly. Draft the site content in such a manner that they cater to the interests of particular section of visitors you target and get motivated to carry business dealings with your company.

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• Issue with div image size [migrated]

  - by nextyear

  I hope this helps explain the issue I am having I have recently designed a horizontal scrolling portfolio for a client, the rights and wrongs of horizontal web design, is a sligtly seperate topic but alas the client wanted something different. Im having a real issue with the bottom div though As the monitor size is reduced its creating the browser scroll bar down the side as the div image is overlapping the monitor size. Wouldnt be such a huge issue but because of the nature of the horizontal site its producing a diagional scrolling effect. Is there away to prevent the screen expanding from the actual monitor size using css or anyother solution? I'm probably staring at the answer as I type but brain doesnt seem to be working unfortunately.

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• Domain name similar to an other existing one, bad for SEO?

  - by qqfr2507

  I am in the process of choosing a domain name for a personal project. I have found a very good one (let's say it is "myproject.com") but it is very close to another existing domain name ("smyproject.com"). Only the first letter is different. This website has a very different activity from mine. My question is: is it bad for SEO? When someone will type "myproject" in a search engine, is there a risk that the first result will be "smyproject.com" if this website has better SEO than mine? Thanks for your help!

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• Pinging/connecting to server.domain.local never works, but server does when the search domain is specified

  - by SuperMatt

  This is a bit of a weird one. I'm running ubuntu on a Windows domain. If I type "ping server" I can ping correctly and I can connect without any problems. It looks up my search domain (domain.local) and everything is hunky dory. Problem is when I try to ping server.domain.local. It just can't look up the server and comes back with "ping: unknown host server.domain.local" Part of me thinks that the name servers aren't set correctly, but I wonder if there is something I can do to get around it.

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• How to Create a Powerful Website That Sells Today?

  If you are trying to make money online, you simply must have a well designed website. When it comes to designing their websites, many internet marketers think very short term and do a low quality rush job. Putting up a cheap or cookie cutter type website will not bring you the online success that you desire. Whatever time it takes to make an attractive website that is appealing to visitors should be considered a necessary investment in your future success. Some people think it's very hard or that you have to be some kind of technical genius to make a good website; thankfully, this isn't the case.

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• Information system using JQuery [on hold]

  - by user105300

  I would like to develop an information system for a school which will provide a single integrated source of information about any student who studies there. A full student profile will be built up year-by-year, as each student progresses through a degree program from their first point of contact with the university. Which type of JQuery should I use ? Which aspect or feature of it would be useful ? Also, which layer of the three-tier architecture does JQuery belong to ? It would be great if you could help me. Thank you.

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• Biztalk Schema generator in Visual Studio -- How to enable 'Well-Formed XML' ? [migrated]

  - by user28747

  I have installed Visual Studio 2010 and Biztalk. I create a new Biztalk-project in Visual STudio 2010. I choose 'Add new item' and then 'New generated schema'. Here I can choose 'Document type'. I choose 'Well-Formed XML (Not loaded)' and choose an input file. Now I get the message 'XFW to XSD schema generation module is not installed. Execute 'C:\Program files (X86)\Microsoft Biztalk Server 2010\SDK\Utilities\Schema Generator\InstallWFX.vbs to install the WFX to XSD schema generation module. I try to execute that file and some text hastily appear on the console. I restart Visual Studio 2010, but it still doesn't work. Apparently the execution of the shell script didn't work. I try to restart the computer, but it still doesn't work. Could anyone tell me what to do?

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• "main.exe" Has Crashed Error [migrated]

  - by JRuxDev

  I have a programming project due today and I am having a simple error. The project is to create a skeleton of a basic menu. The new command just counts from 1 to an integer entered by the user. Before I continue, I have posted a link to the pastebin that holds my .cpp file: http://pastebin.com/pAi9EiEi The rest of the program runs and works. However, the error is simple. It is crashing as soon as I type in any of the commands. After running error checks, I have found the error is not the while but the if statements. The error is on the lines similar to this: if (stricmp(strstr(newCommand, cmd2), newCommand) == 0) What this line is supposed to do, is copy what is in cmd2 and put it in newCommand then comparing it without caps sensitivity to: char newCommand[] = "new"; Thank you, Rux

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• Microsoft Excel: How to find the minimum value? [closed]

  - by Sub Tuts

  I apologies if I post this question in the wrong place. I have a column A with names. For each name, I have a column B, it figures stand between 3 and 10 (eg 3.3 5.4 6.3 7.7). In a column C is then another number, which ranges from a "0" to " 60". Now I want to find out what is the minimum value in column B, but only, where the value in column C between 30 and 45. Does anyone happen to know how I have to type this in Excel? I've already found a lot on the Internet, but none of the suggestions there exactly "fit" to my problem ... I use Excel 2010. Any help is appreciated. Karar

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• Nashorn ?? JDBC ? Oracle DB ?????·?? 3

  - by Homma

  ???? Nashorn ?? JavaScript ??????? JDBC ? Oracle DB ???????????????????? Oracle DB ????? SQL ??????????????? ???????????????????????????????? ????????? URL ? https://blogs.oracle.com/nashorn_ja/entry/nashorn_jdbc_3 ??? JDBC ??????????????? JDBC ????????????????? Nashorn ????? JavaScript ????????????? ???????? JDBC OCI ???????????????????????????????? ????? ?? Java ??????????????? Nashorn ? JavaScript ???????????????? // Invoke jjs with -scripting option. /* * This sample can be used to check the JDBC installation. * Just run it and provide the connect information. It will select * "Hello World" from the database. */ var OracleDataSource = Java.type("oracle.jdbc.pool.OracleDataSource"); function main() { // Prompt the user for connect information print("Please enter information to test connection to the database"); var user, password, database; user = readLine("user: "); slash_index = user.indexOf('/'); if (slash_index != -1) { password = user.substring(slash_index + 1) user = user.substring(0, slash_index); } else password = readLine("password: "); database = readLine("database(a TNSNAME entry): "); java.lang.System.out.print("Connecting to the database..."); java.lang.System.out.flush(); print("Connecting..."); // Open an OracleDataSource and get a connection var ods = new OracleDataSource(); ods.setURL("jdbc:oracle:oci:@" + database); ods.setUser(user); ods.setPassword(password); var conn = ods.getConnection(); print("connected."); // Create a statement var stmt = conn.createStatement(); // Do the SQL "Hello World" thing var rset = stmt.executeQuery("select 'Hello World' from dual"); while (rset.next()) print(rset.getString(1)); // close the result set, the statement and the connection rset.close(); stmt.close(); conn.close(); print("Your JDBC installation is correct."); } main(); oracle.jdbc.pool.OracleDataSource ? Java.type() ?????Nashorn ??????????????????????????? Java ? System.out.println() ? System.out.flush() ? java.lang. ???????????????? Java ?????????? readEntry() ????? Nashorn ? readLine() ???????????? Java ????????????????????????JavaScript ?????????????????? ?? Java ??????????????????????????? Java ???????????????? JavaScript ?????????????????? ???????? JDBC OCI ???????????????? LD_LIBRARY_PATH ????????????????? ???Nashorn ? readLine() ??????????jjs ????? -scripting ????????????????? $ export LD_LIBRARY_PATH=${ORACLE_HOME}/lib $ jjs -scripting -cp ${ORACLE_HOME}/jdbc/lib/ojdbc6.jar JdbcCheckup.js Please enter information to test connection to the database user: test password: test database(a TNSNAME entry): orcl Connecting to the database...Connecting... connected. Hello World Your JDBC installation is correct. JDBC OCI ????????????????? "select 'Hello World' from dual" ??? SQL ?????????????? ?????????????????database ???? :: ??????????? ??? ??? Oracle DB ????? SQL ???????????????? Java ? JDBC ??????????????????????????? Nashorn ??????????????????????????????????

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