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• Could multiple uses of the same keywords in image alt attributes hurt SEO?

  - by saratogahiker

  Let's say on an e-commerce site that sells unique pens, on a particular pen's product page, the image of the pen has an alt attribute value of "unique red-striped pen"... and another product has "unique blue-spotted pen", etc... The keywords across all products being "unique" and "pen", which would also be helpful when it comes to SEO. However, if the person just goes to the general "unique pens" category page and sees a list of thumbnail images, each with the words "unique" and "pen" in the alt attribute, would that potentially have a negative impact with regards to SEO by having the same keywords too many times?

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• Any good site that teaches C++?

  - by Shinmaru

  I am searching for any good site that teaches C++, that can explain most to all things about it(general) and has a decent active community. About Me: I am new to programming(knows nothing of it, so please bare with me), I have only learned(to a very basic form) LUA scripting Language, so yes I am your complete newbie. I got interested in programming, from scripting in LUA, so you can say it was my small stepping stone, One would basically take a course in college, but not everyone is well funded for that and I can't buy books for the same said reason(yes I'm somewhat poor, only money for essentials and bills), I'm not trying to get sympathy, just stating my conditions. and Please, something in between the lines of 'Programming for Dummies'(I'm not the brightest crayon in the box), I know this will not be easy, but your help will be most appreciated. I would learn for either Windows and/or Linux/Unix. I use both. Site(s) I know: Cplusplus.org(quite inactive and tutorials are a little for the programming savvy.

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• How can I make Liferea to open links in the background?

  - by sup

  I have Opera set as my default browser but it is the same for Firefox. When opening a link in Liferea, the link open in an external browser and the browser gets focus. I would like to open the links in background (so that the browser does not get focus). The only solution is to set Focus prevention level to Normal in the Focus & Raise Behaviour tab of General options in CCSM. But this messes things for other things. DO you have any other idea? I am using Unity on 11.10.

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• GoingNative 2012 : Microsoft organise une conférence C++ de 48h, animée par les pionniers du langage, y compris son créateur

  GoingNative 2012 : Microsoft organise une conférence C++ de 48h animée par les pionniers du langage, y compris son créateur Microsoft accorde une place de choix au langage C++ au sein de son écosystème et de ses outils de développement. La firme organise une conférence de deux jours pour le développement natif avec la nouvelle norme C++ et ISO C++ le 2 et 3 février 2012 dans son campus de Redmond. GoingNative 2012 est décrit par Microsoft comme un événement technique de 48 heures, pour ceux qui repoussent les limites de l'informatique à usage général, en exploitant les capacités de la machine réelle. L'événement sera animé par des éminents conférenciers C+...

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• How does Google store search trends in backend?

  - by Achshar

  Google trends shows what query has been searched how many times and some other properties of the said query. But how is this data stored in a database? Storing a new row for every search does not seem right. They also tell the query on a time graph, so they must have some way to look for individual searches made by users, but the number of queries they get every day, it does not feel right that they would store every search in a database row along with a time-stamp. This does not apply to just Google trends or Google in general but any other big site that gets awful number of queries and then has tools to see them in depth. I am not an expert on this but I am interested to know some high level structure of how things work behind the scenes.

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• XCart Skip Checkout Steps

  - by user900553

  I am using xcart. In the checkout process, skip the step that appears after a customer clicks the add to cart button on the product page. It takes them to a page that shows the product and the text Added to your shopping cart. I want to take them directly to the view cart page, right before the checkout page. I also tried: Enable Redirect customer to cart after adding a product option in X-Cart admin back-end -Settings - General settings. Still not working. Anybody have Idea about this?

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• How can I effectively use a netbook and a desktop computer together for programming?

  - by Mana

  Currently, in my workspace, I have a netbook sitting off to the side gathering dust while I write code on my desktop. As a result, the only use my netbook gets coding-wise is when I'm writing up a quick Python script to model a given problem or concept in class; I never use it at home for coding, or for anything at all, as it is all possible and faster on my (much more powerful) desktop. I feel like this is wrong and that I should be making better use of my netbook. What effective uses have you found for a netbook and a desktop together when programming (or for software development in general)? What are the merits of this practice?

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• How should I get my code ready for OpenSourcing it and putting it on GitHub?

  - by Sempus

  In a few weeks, my project is going to be finished and I want to start getting my code ready for other people to use it. I am going to be posting everything to GitHub so people can tweak it and hopefully make it better. I guess what I'm asking is, what would be the best way to make sure my code is sufficiently documented and worded right for other people to use? I know you should always comment everything and I'm going to be putting in the @params feature for every method, but are there any other tips in general?

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• What should be stored in UserContext?

  - by HonorGod

  From my general understanding I believe UserContext for a web application is supposed to hold user authentication and authorization (user roles) information. As part of user roles, there are definitions on who can access what data and accordingly the corresponding reference data is loaded into the UserContext as well. Is this a good practice to load and use reference data from UserContext? Does this have any impact with the number of sessions vs size of data it is holding inside JVM? I am thinking we use UserContext only for authentication and authorization but load the reference data from cache on demand and use it if required.

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• Qt 5.1 sort, avec support préliminaire d'iOS, Android, gestion des capteurs et de nouveaux composants pour Qt Quick

  Nous sommes encore plus proches de la sortie de Qt 5.1, attendu avant l'été. Avec la sortie de cette bêta, des installateurs sont disponibles, ce qui facilite encore la découverte de Qt. Voyons rapidement ce que cette bêta contient.Fonctionnalités clés L'idée conductrice pour le développement de Qt 5.1 a été de finaliser les fonctionnalités introduites avec Qt 5.0. Des fonctionnalités ont été améliorées, tout comme les performances en général, en se basant sur les avis de nos utilisateurs qui utilisent Qt dans des cas concrets et qui portent des applications depuis Qt 4.X. Nous sommes capables de répondre à vos besoins avec Qt 5 grâce aux retours notre écosystème grandissant de près de 500 000 développeurs dans plus de 70 entreprises utilisant Qt sur des plates-form...

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• Webpage Content [closed]

  - by Akyl

  I am a web developer and I having problems with the lack of content required to make the website readable to people. Now my solution is to corner him and take his time off his work and answer some in debt questions from a list. The list would described as the content to be read by people(content being eg. point of website what is needed to be placed in). My questions: What is required to be on the list of contents required for general public to see? What are the most important aspects in point of web content required for users to see?

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• How to operating systems… run… without having an OS to run in?

  - by Plazmotech Binary

  I'm really curious right now. I'm a Python programmer, and this question just boggled me: You write an OS. How do you run it? It has to be run somehow, and that way is within another OS? How can an application run without being in an OS? How do you tell the computer to run, say, C, and execute these commands to the screen, if it doesn't have an OS to run in? Does it have to do with a UNIX kernel? If so, what is a unix kernel, or a kernel in general? I'm sure OSes are more complicated than that, but how does it work? It would be really brilliant to know this! Thanks.

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• Testing complex compositions

  - by phlipsy

  I have a rather large collection of classes which check and mutate a given data structure. They can be composed via the composition pattern into arbitrarily complex tree-like structures. The final product contains a lot of these composed structures. My question is now: How can I test those? Albeit it is easy to test every single unit of these compositions, it is rather expensive to test the whole compositions in the following sense: Testing the correct layout of the composition-tree results in a huge number of test cases Changes in the compositions result in a very laborious review of every single test case What is the general guideline here?

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• Database Insider - October 2012 issue

  - by Javier Puerta

  The October issue of the Database Insider newsletter is now available. (Full newsletter here) NEWS   Newly Launched Oracle Exadata X3 Redefines Extreme Performance At Oracle OpenWorld 2012, Oracle announced the general availability of Oracle Exadata Database Machine X3, a complete package of servers, storage, networking, and software that is massively scalable, secure, and fully redundant—and ideally suited for the varied and unpredictable workloads of cloud computing. Read More WEBCASTS What Are Oracle Users Doing to Improve Availability and Disaster Recovery? The Independent Oracle Users Group (IOUG) surveyed more than 350 data managers and professionals regarding planned and unplanned downtime, database high availability, and disaster recovery solutions. Download the report and watch the Webcast today.

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• Could multiple uses of the same word in image alt tags hurt SEO?

  - by saratogahiker

  Let's say on an e-commerce site that sells unique pens, on a particular pen's product page, the image of the pen has an alt tag of "unique red-striped pen"... and another product has "unique blue-spotted pen", etc. The key words across all products being "unique" and "pen", which would also be helpful when it comes to SEO. However, if the person just goes to the general "unique pens" category page and sees a list of thumbnail images, each with the words "unique" and "pen" in the alt tag, would that potentially have a negative impact with regards to SEO by having the words too many times?

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• La publicité mobile en click-to-call peut générer un retour sur investissement de 800%, explique Google

  La publicité mobile en click-to-call peut générer un retour sur investissement de 800%, explique Google Il y a quelques semaines, Google révélait ses excellents résultats financiers liés à ses activités mobiles, et notamment publicitaires. D'autres statistiques viennent dorer ce blason, surtout dans le domaine des publicités appelée "click-to-call". En effet, quand on surf depuis un smartphone, on peut rencontrer des publicités ou des sites invitant à cliquer sur un lien ou une bannière pour être rappelé. Le but étant de proposer un contact téléphonique rapide, si ce n'est immédiat, pour répondre à toutes les questions ou demandes de l'internaute. Une mise en relation simple, qui ne demande en général qu'un...

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• Is there a language that allows this syntax: add(elements)at(index);

  - by c_maker

  Does a language exist with such a syntax? If not, what are some of the limitations/disadvantages to this syntax in case I want to write a language that supported it? Some examples: sort(array, fromIndex, toIndex); vs sort(array)from(index1)to(index2); Method signature would like this: sort(SomeType[] arr)from(int begin)to(int end){ ... } Update: Because there might be some confusion, I'd like to clarify... I meant this question as a general idea like this (not specific to sorting and possibly using keywords like from and to): In JAVA(like language): void myfancymethod(int arg1, String arg2){ ... } myfancymethod(1, "foo"); In imaginary language: void my(int arg1)fancy(String arg2)method{ ... } my(1)fancy("foo")method;

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• Learning MySQL Query optimization

  - by recluze

  I've been doing web/desktop/server development for a while and have worked with many databases (mysql mostly). I've come to the point in my career when I need to have someone look at my queries because they're 'kind of slow'. I believe it's now time to start learning query optimization. While I know the basics of index and joins etc., I'm not familiar with how to use, say, the EXPLAIN output to improve performance of my queries. I have not been able to find any online material that starts with the basics and takes me to application. Getting a book is not an option right now so I'm looking for tips about how to proceed with this. I hope this question is general enough not to get closed.

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• What class structure allows for a base class and mix/match of subclasses? (Similar to Users w/ roles)

  - by cdeszaq

  I have a set of base characteristics, and then a number of sub-types. Each instance must be one of the sub-types, but can be multiple sub-types at once. The sub-types of each thing can change. In general, I don't care what subtype I have, but sometimes I do care. This is much like a Users-Roles sort of relationship where a User having a particular Role gives the user additional characteristics. Sort of like duck-typing (ie. If my Foo has a Bar, I can treat it like a ThingWithABar.) Straight inheritance doesn't work, since that doesn't allow mix/match of sub-types. (ie. no multi-inheritance). Straight composition doesn't work because I can't switch that up at runtime. How can I model this?

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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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• 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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• Announcing Oracle Solaris 11.1

  - by Larry Wake

  This morning, we announced Oracle Solaris 11.1, the first update to Oracle Solaris 11.This builds on all the things we've done to make Oracle Solaris the best operating system for enterprise cloud computing, so no surprises on what we've focused on: enhancements for cloud infrastructure, extreme availability for enterprise applications, and continued payoff from our co-engineering work with the rest of the Oracle software portfolio. You can learn more by visiting oracle.com/solaris, and our Oracle Technology Network Oracle Solaris 11.1 page. If you're at Oracle OpenWorld, be sure to attend Solaris engineering VP Markus Flierl's general session at 10:15 today, in Moscone South 103, where he'll be going into detail on Oracle Solaris 11.1 . And, be sure to sign up for our online launch event on November 7th, featuring Markus, fellow engineering VP Bill Nesheim, and a deep bench of Solaris engineers. It's hard to believe that it's been 20 years since Solaris 2.0 first shipped -- stay tuned for the next 20!

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• Low Level Software and Devices

  - by user271619

  I'm looking at a new chapter in my career. I'm a web developer, but now I'm starting to play around with C, compilers, and things I didn't have to work with before. It's all very intriguing! As I'm getting more and more into the "lower level" arena, I'm wondering how devices (mice, printers, webcams, microphones, etc...) are controlled, managed, detected, or used in general with software. I ask because I'm really having a hard time finding straightforward documentation online describing or giving examples of how hardware interacts with software. Does someone know of decent sites that can get me started learning this?

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• Good book about advanced programming techniques [closed]

  - by Luca

  I am looking to a book covering adavnced programming techniques, covering different practical scenarios and describing the different challanges with the relative solutions. As example, which are the best ways to implement a module for buying on a web application with credit card or how to manage responsivenes for the frontend of the web application itself (dealing with cache, optimeze plugins, etc). On the web there are tons of tutorials about these topics, but I am looking for a book where such cases are collected all together and treated by real professionists. If the book would provide some code samples, that would be a plus (especially if C# .NET), but I am more interested in the approach/solution rather than the code details. I could not find any of these cases in the general book about programming, therefore I hope someone might point me in the right direction. EDIT: I have 4 years experience as web developer, mainly with Microsoft (C#, ASP.NET, SQL Server) and client side technologies (jQuery, HTML/CSS).

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• Multiple projects in Visual Studio 2008

  This is obviously a well-known secret (option) in Visual Studio 2005 / 2008:  After creating a Web project in Visual Studio Go to Tools > Options > Show All Settings > Projects and Solutions > General > Check "Always show solution" You can now add any new projects to the solution...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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