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  • How to Own Your Own Website (Even If You Can’t Build One) Pt 1

    - by Eric Z Goodnight
    You’ve probably put up plenty of pages and accounts on various services and blogs. But today, learn how to become a real website owner and put together an awesome feature-rich website of your own with little to no experience. Having your own website is expected in many fields. You can host your resume and various files, or put up an online business card to make sure that you’re one of the top results when you do an ego search on Google. Whatever your reason is, you don’t have to pay hundreds (or thousands?) of dollars to have somebody else make a website for you, when you can use free software and cheap hosting to make your own in minutes. In this first part of a multi-part series, we’ll discuss how to put up a simple website and and how to start owning your own domain. How to Own Your Own Website (Even If You Can’t Build One) Pt 1 What’s the Difference Between Sleep and Hibernate in Windows? Screenshot Tour: XBMC 11 Eden Rocks Improved iOS Support, AirPlay, and Even a Custom XBMC OS

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  • Trying to find video of a talk on the impact of memory access latency

    - by user12889
    Some months ago I stumbled across a video on the internet of somebody giving a very good talk on the impact of memory access latency on the execution of programs. I'm trying to find the video again; maybe you know what video I mean and were I can find it. This is what I remember about the talk/video: I don't remember the title and it may have been broader, but the talk was a lot about impact of memory access latency in modern processors on program execution. The talk was in English and most likely the location was in America. The speaker was very knowledgeable about the topic, but the talk was in an informal setting (not a conference presentation or university lecture). I think the speaker was known to the audience and may even have been famous (I don't remember) The audience may have been a computer club / group of a local community or company (but I don't remember for sure)

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  • Explanation needed, for “Ask, don't tell” approach?

    - by the_naive
    I'm taking a course on design patterns in software engineering and here I'm trying to understand the good and the bad way of design relating to "coupling" and "cohesion". I could not understand the concept described in the following image. The example of code shown in the image is ambiguous to me, so I can't quite clearly get what exactly "Ask, don't tell!" approach mean. Could you please explain?

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  • The Best Internet Marketing Tool is a Keyword Tool

    The best internet marketing tool is a keyword tool. A keyword tool is really helpful if you are an internet marketing, and if you have dabbled with one before, then you'll know exactly how powerful they are and what they can be used for. This article will explain that the best internet marketing tool that you can use is the keyword tool.

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  • Writing A Transact SQL (TSQL) Procedure For SQL Server 2008 To Delete Rows From Table Safely

    In this post, we will show and explain a small TSQL Sql Server 2008 procedure that deletes all rows in a table that are older than some specified date.  That is, say the table has 10,000,000 rows in it the accumulated over the past 2 years.  Say you want to delete all but [...]...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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  • FREE eBook: .NET Performance Testing and Optimization (Part 1)

    In this this first part of complete guide to performance profiling, Paul Glavich and Chris Farrell explain why performance testing is a good idea and walk you through everything you need to know to set up a test environment. This comprehensive guide to getting started is an essential handbook to any programmer looking to set up a .NET testing environment and get the best results out of it. Download your free copy now span.fullpost {display:none;}

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  • Website Editor control for WYSIWYG/regions

    - by Dan Smith
    For lack of a better title, let me try to explain further: I'm looking for a control that will allow me to have a library of "page elements" (such as a list of employees, or a photo gallery, or a contact form, etc) that could be dragged onto the page canvas. The page canvas could have pre-set regions/boxes where these items could be drug into, preventing the user from screwing up the pages layout. I'm looking for any pre-built commercial (or open-source with commercial use allowed) tools available like this.

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  • "Software sources" crashes since unbuntu updated from 12.04 to 12.10

    - by Jean-Sebastien
    First of all, sorry for my English, I is not my native language. I recently updated my PC from ubuntu 12.04 to 12.10. Now “Software sources” crashes when I try to open it directly from Unity or from Ubuntu Software Center ? Software sources. When I try to open “Update manager”, I get the following error message. Note that the internet connection WROKS! W:Failed to fetch http://ppa.launchpad.net/rye/ubuntuone-extras/ubuntu/dists/quantal/main/source/Sources 404 Not Found, ... ... ... E:Some index files failed to download. They have been ignored, or old ones used instead. Please, can somebody help me on this? JS

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  • Partition Wise Joins II

    - by jean-pierre.dijcks
    One of the things that I did not talk about in the initial partition wise join post was the effect it has on resource allocation on the database server. When Oracle applies a different join method - e.g. not PWJ - what you will see in SQL Monitor (in Enterprise Manager) or in an Explain Plan is a set of producers and a set of consumers. The producers scan the tables in the the join. If there are two tables the producers first scan one table, then the other. The producers thus provide data to the consumers, and when the consumers have the data from both scans they do the join and give the data to the query coordinator. Now that behavior means that if you choose a degree of parallelism of 4 to run such query with, Oracle will allocate 8 parallel processes. Of these 8 processes 4 are producers and 4 are consumers. The consumers only actually do work once the producers are fully done with scanning both sides of the join. In the plan above you can see that the producers access table SALES [line 11] and then do a PX SEND [line 9]. That is the producer set of processes working. The consumers receive that data [line 8] and twiddle their thumbs while the producers go on and scan CUSTOMERS. The producers send that data to the consumer indicated by PX SEND [line 5]. After receiving that data [line 4] the consumers do the actual join [line 3] and give the data to the QC [line 2]. BTW, the myth that you see twice the number of processes due to the setting PARALLEL_THREADS_PER_CPU=2 is obviously not true. The above is why you will see 2 times the processes of the DOP. In a PWJ plan the consumers are not present. Instead of producing rows and giving those to different processes, a PWJ only uses a single set of processes. Each process reads its piece of the join across the two tables and performs the join. The plan here is notably different from the initial plan. First of all the hash join is done right on top of both table scans [line 8]. This query is a little more complex than the previous so there is a bit of noise above that bit of info, but for this post, lets ignore that (sort stuff). The important piece here is that the PWJ plan typically will be faster and from a PX process number / resources typically cheaper. You may want to look out for those plans and try to get those to appear a lot... CREDITS: credits for the plans and some of the info on the plans go to Maria, as she actually produced these plans and is the expert on plans in general... You can see her talk about explaining the explain plan and other optimizer stuff over here: ODTUG in Washington DC, June 27 - July 1 On the Optimizer blog At OpenWorld in San Francisco, September 19 - 23 Happy joining and hope to see you all at ODTUG and OOW...

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  • Where can I find fellow developers who are looking for help to create a startup?

    - by Jeremy Child
    Where can I find fellow developers who are looking for help to create a startup? Are there any collaboration websites whereby people pitch ideas and a group of people 'join' the project in an effort to create some kind of prototype? Edit: @Vitor Braga - Seriously i'm not looking to make money, just finding developers who are interested in making a trivial little app with someone else. Edit: It may be worthy to explain that I live in a remote area of Australia.

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  • KBACE Technologies Talks About Oracle Tutor Customer Benefits

    Maryellen Papelian, Education Practice Lead at KBACE Technologies and Russell Handley, Director of Tutor Marketing at Oracle explain what Oracle Tutor is, how customers use Oracle Tutor to document business processes, and how Oracle Tutor provides both content and software tools to easily create and maintain business process documents.

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  • Fair Comments

    - by Tony Davis
    To what extent is good code self-documenting? In one of the most entertaining sessions I saw at the recent PASS summit, Jeremiah Peschka (blog | twitter) got a laugh out of a sleepy post-lunch audience with the following remark: "Some developers say good code is self-documenting; I say, get off my team" I silently applauded the sentiment. It's not that all comments are useful, but that I mistrust the basic premise that "my code is so clearly written, it doesn't need any comments". I've read many pieces describing the road to self-documenting code, and my problem with most of them is that they feed the myth that comments in code are a sign of weakness. They aren't; in fact, used correctly I'd say they are essential. Regardless of how far intelligent naming can get you in describing what the code does, or how well any accompanying unit tests can explain to your fellow developers why it works that way, it's no excuse not to document fully the public interfaces to your code. Maybe I just mixed with the wrong crowd while learning my favorite language, but when I open a stored procedure I lose the will even to read it unless I see a big Phil Factor- or Jeff Moden-style header summarizing in plain English what the code does, how it fits in to the broader application, and a usage example. This public interface describes the high-level process and should explain the role of the code, clearly, for fellow developers, language non-experts, and even any non-technical stake holders in the project. When you step into the body of the code, the low-level details, then I agree that the rules are somewhat different; especially when code is subject to frequent refactoring that can quickly render comments redundant or misleading. At their worst, here, inline comments are sticking plaster to cover up the scars caused by poor naming conventions, failure in clarity when mapping a complex domain into code, or just by not entirely understanding the problem (/ this is the clever part). If you design and refactor your code carefully so that it is as simple as possible, your functions do one thing only, you avoid having two completely different algorithms in the same piece of code, and your functions, classes and variables are intelligently named, then, yes, the need for inline comments should be minimal. And yet, even given this, I'd still argue that many languages (T-SQL certainly being one) just don't lend themselves to readability when performing even moderately-complex tasks. If the algorithm is complex, I still like to see the occasional helpful comment. Please, therefore, be as liberal as you see fit in the detail of the comments you apply to this editorial, for like code it is bound to increase its' clarity and usefulness. Cheers, Tony.

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  • Google+ Platform Office Hours for March 7th 2012: REST API Overview

    Google+ Platform Office Hours for March 7th 2012: REST API Overview We hold weekly Google+ Platform Office Hours using Hangouts On Air most Wednesdays from 11:30 am until 12:15 pm PST. This week we took a step back and looked at the Google+ platform's REST APIs. We explain what they're capable of and show you how to get started using them. Discuss this video on Google+: goo.gl Learn more about our Office Hours: developers.google.com From: GoogleDevelopers Views: 3299 44 ratings Time: 31:45 More in Science & Technology

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  • Best way of Javascript web development in Netbeans (Hot deployment)

    - by marcelocbf
    I'm beginning Javascript development and as a beginner in JavaScript I make a lot of mistakes. The way I'm developing is very counter-productive because every mistake I fix I have to shutdown Glassfish, re-build the app and re-deploy it. My app is a Java back-end with REST services and the Html, JavaScript, CSS for the frontend. Everything is packed in a .ear file. As of right now, I'm just working with the frontend but I do have to make this whole process to update the files. My question is ... is there a better way of doing this? Can somebody tell how do you guys work in a similar setup to do the everyday development?

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  • How to capitalize maximally on location-independence … my personal #1-incentive for working as a developer

    - by SomeGuy
    To me the ultimate beauty in working as a developer is the fact that given a nice CV, your are going to find a new job, everywhere at any time. So I would like to ask if somebody here as experience in working while travelling for example. Or job-hopping from metropolis to metropolis every, say, six months. For example I have been investigating for how to get to Brazil. But it seems like that working as an employee in Brazil would be no option, b/c it takes a lot of time/money/effort to get the proper visas and permissions. So the only practical solution would be to freelance and the just travel, while getting your job done wherever you are. I bet my ass that there are loads of IT-guys out there and on here who know exactly what I am talking about. I'm looking forward to interesting ideas and stories.

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  • Tool to identify potential reviewers for a proposed change

    - by Lorin Hochstein
    Is there a tool that takes as input a proposed patch and a git repository, and identifies the developers are the best candidates for reviewing the patch? It would use the git history to identify the authors that have the most experience with the files / sections of code that are being changed. Edit: The use case is a large open source project (OpenStack Compute), where merge proposals come in, and I see a merge proposal on a chunk of code I'm not familiar with, and I want to add somebody else's name to the list of suggested reviewers so that person gets a notification to look at the merge proposal.

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  • Looking into ASP.Net MVC 4.0 Mobile Development - part 2

    - by nikolaosk
    In this post I will be continuing my discussion on ASP.Net MVC 4.0 mobile development. You can have a look at my first post on the subject here . Make sure you read it and understand it well before you move one reading the remaining of this post. I will not be writing any code in this post. I will try to explain a few concepts related to the MVC 4.0 mobile functionality. In this post I will be looking into the Browser Overriding feature in ASP.Net MVC 4.0. By that I mean that we override the user agent for a given user session. This is very useful feature for people who visit a site through a device and they experience the mobile version of the site, but what they really want is the option to be able to switch to the desktop view. "Why they might want to do that?", you might wonder.Well first of all the users of our ASP.Net MVC 4.0 application will appreciate that they have the option to switch views while some others will think that they will enjoy more the contents of our website with the "desktop view" since the mobile device they view our site has a quite large display.  Obviously this is only one site. These are just different views that are rendered.To put it simply, browser overriding lets our application treat requests as if they were coming from a different browser rather than the one they are actually from. In order to do that programmatically we must have a look at the System.Web.WebPages namespace and the classes in it. Most specifically the class BrowserHelpers. Have a look at the picture below   In this class we see some extension methods for HttpContext class.These methods are called extensions-helpers methods and we use them to switch to one browser from another thus overriding the current/actual browser. These APIs have effect on layout,views and partial views and will not affect any other ASP.Net Request.Browser related functionality.The overridden browser is stored in a cookie. Let me explain what some of these methods do. SetOverriddenBrowser() -  let us set the user agent string to specific value GetOverriddenBrowser() -  let us get the overridden value ClearOverriddenBrowser() -  let us remove any overridden user agent for the current request   To recap, in our ASP.Net MVC 4.0 applications when our application is viewed in our mobile devices, we can have a link like "Desktop View" for all those who desperately want to see the site with in full desktop-browser version.We then can specify a browser type override. My controller class (snippet of code) that is responsible for handling the switching could be something like that. public class SwitchViewController : Controller{ public RedirectResult SwitchView(bool mobile, string returnUrl){if (Request.Browser.IsMobileDevice == mobile)HttpContext.ClearOverriddenBrowser();elseHttpContext.SetOverriddenBrowser(mobile ? BrowserOverride.Mobile : BrowserOverride.Desktop);return Redirect(returnUrl);}} Hope it helps!!!!

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  • SQL SERVER – Introduction to CUME_DIST – Analytic Functions Introduced in SQL Server 2012

    - by pinaldave
    This blog post is written in response to the T-SQL Tuesday post of Prox ‘n’ Funx. This is a very interesting subject. By the way Brad Schulz is my favorite guy when it is about blogging. I respect him as well learn a lot from him. Everybody is writing something new his subject, I decided to start SQL Server 2012 analytic functions series. SQL Server 2012 introduces new analytical function CUME_DIST(). This function provides cumulative distribution value. It will be very difficult to explain this in words so I will attempt small example to explain you this function. Instead of creating new table, I will be using AdventureWorks sample database as most of the developer uses that for experiment. Let us fun following query. USE AdventureWorks GO SELECT SalesOrderID, OrderQty, CUME_DIST() OVER(ORDER BY SalesOrderID) AS CDist FROM Sales.SalesOrderDetail WHERE SalesOrderID IN (43670, 43669, 43667, 43663) ORDER BY CDist DESC GO Above query will give us following result. Now let us understand what is the formula behind CUME_DIST and why the values in SalesOrderID = 43670 are 1. Let us take more example and be clear about why the values in SalesOrderID = 43667 are 0.5. Now let us enhence the same example and use PARTITION BY into the OVER clause and see the results. Run following query in SQL Server 2012. USE AdventureWorks GO SELECT SalesOrderID, OrderQty, ProductID, CUME_DIST() OVER(PARTITION BY SalesOrderID ORDER BY ProductID ) AS CDist FROM Sales.SalesOrderDetail s WHERE SalesOrderID IN (43670, 43669, 43667, 43663) ORDER BY s.SalesOrderID DESC, CDist DESC GO Now let us see the result of this query. We are have changed the ORDER BY clause as well partitioning by SalesOrderID. You can see that CUME_DIST() function provides us different results. Additionally now we see value 1 multiple times. As we are using partitioning for each group of SalesOrderID we get the CUME_DIST() value. CUME_DIST() was long awaited Analytical function and I am glad to see it in SQL Server 2012. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Function, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • SQL SERVER – Introduction to FIRST _VALUE and LAST_VALUE – Analytic Functions Introduced in SQL Server 2012

    - by pinaldave
    SQL Server 2012 introduces new analytical functions FIRST_VALUE() and LAST_VALUE(). This function returns first and last value from the list. It will be very difficult to explain this in words so I’d like to attempt to explain its function through a brief example. Instead of creating a new table, I will be using the AdventureWorks sample database as most developers use that for experiment purposes. Now let’s have fun following query: USE AdventureWorks GO SELECT s.SalesOrderID,s.SalesOrderDetailID,s.OrderQty, FIRST_VALUE(SalesOrderDetailID) OVER (ORDER BY SalesOrderDetailID) FstValue, LAST_VALUE(SalesOrderDetailID) OVER (ORDER BY SalesOrderDetailID) LstValue FROM Sales.SalesOrderDetail s WHERE SalesOrderID IN (43670, 43669, 43667, 43663) ORDER BY s.SalesOrderID,s.SalesOrderDetailID,s.OrderQty GO The above query will give us the following result: What’s the most interesting thing here is that as we go from row 1 to row 10, the value of the FIRST_VALUE() remains the same but the value of the LAST_VALUE is increasing. The reason behind this is that as we progress in every line – considering that line and all the other lines before it, the last value will be of the row where we are currently looking at. To fully understand this statement, see the following figure: This may be useful in some cases; but not always. However, when we use the same thing with PARTITION BY, the same query starts showing the result which can be easily used in analytical algorithms and needs. Let us have fun through the following query: Let us fun following query. USE AdventureWorks GO SELECT s.SalesOrderID,s.SalesOrderDetailID,s.OrderQty, FIRST_VALUE(SalesOrderDetailID) OVER (PARTITION BY SalesOrderID ORDER BY SalesOrderDetailID) FstValue, LAST_VALUE(SalesOrderDetailID) OVER (PARTITION BY SalesOrderID ORDER BY SalesOrderDetailID) LstValue FROM Sales.SalesOrderDetail s WHERE SalesOrderID IN (43670, 43669, 43667, 43663) ORDER BY s.SalesOrderID,s.SalesOrderDetailID,s.OrderQty GO The above query will give us the following result: Let us understand how PARTITION BY windows the resultset. I have used PARTITION BY SalesOrderID in my query. This will create small windows of the resultset from the original resultset and will follow the logic or FIRST_VALUE and LAST_VALUE in this resultset. Well, this is just an introduction to these functions. In the future blog posts we will go deeper to discuss the usage of these two functions. By the way, these functions can be applied over VARCHAR fields as well and are not limited to the numeric field only. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Function, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Online Advertising And Marketing Your Services?

    - by Zenph
    I have been working on freelance sites for a good 4 or 5 years, bending over backwards to build a decent portfolio and generate great ratings. I take huge pride in my work (web applications). I'm completely lost because when I think what would happen if I suddenly lost my freelance account it isn't a pretty picture. I have literally no idea where else I could advertise my services apart from google paid advertising. Any suggestions? I'd of course be more than willing to pay for marketing and such. I've been searching google for ages and can't find much advice on where to advertise to secure good clients for web development work. I say good clients because I mean actual business owners, not somebody else who is outsourcing to me (where do they find clients?). I'd appreciate any help.

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  • How do I limit the game loop?

    - by user1758938
    How do I make a game update at a consistent speed? For example, this would loop too fast: while(true) { GetInput(); Render(); } This just wont work (hard to explain): while(true) { GetInput(); Render(); Sleep(16); } How do I sync my game to a certain framerate and still have input and functions going at a consistent rate?

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  • How do I point a new domain to start on a page that's not index.html on separate hosting? [closed]

    - by Owen Campbell-Moore
    Possible Duplicate: How do I point a new domain to start on a page that's not index.html on separate hosting? I'm using a service called SquareSpace to host my site, and today I'm registering the domain for it. Basically, how do I make it so when somebody types www.tedxoxford.com it points at http://www.tedxoxford.com/landing (currently http://tedxoxford.squarespace.com/landing) instead of the default index? Is this possible? Squarespace is quite a restricted CMS and means that your logos etc all point to the index so I don't want people ending up on my landing/splash page every time they want the home page, only on the first time they type in the URL. A dirty hack would be to check the refferer and redirect anyone hitting the index to the landing page, but that's a lot of loading overhead I'd rather avoid...

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  • How do I set a touch listener in a child scene in AndEngine?

    - by Siddharth
    In my game, I want to implement touch listener for my child scene objects. Basically I tried all the possible way to implement this that I have usually done for my normal scenes, but those methods do not work here. Could somebody provide some guidance for setting touch area listener in child scene? Here is my code: menuScene.setTouchAreaBindingEnabled(true); menuScene.registerTouchArea(resumeButtonSprite); menuScene.registerTouchArea(retryButtonSprite); menuScene.registerTouchArea(exitButtonSprite); menuScene.setOnAreaTouchListener(new IOnAreaTouchListener() { @Override public boolean onAreaTouched(TouchEvent pSceneTouchEvent, ITouchArea pTouchArea, float pTouchAreaLocalX, float pTouchAreaLocalY) { System.out.println("Touch"); return true; } }); In this code, menuScene was a child scene activity. Also after research I found that my engine was stopped while the child scene was activated so the touch event is not detected. I want to implement a pause menu in my game so any desirable solution for a pause menu implementation would help.

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  • Ubuntu 12.04 64 bit doesn't work on a win7 with check point full disk encryption

    - by Victor Rodriguez
    I installed Ubuntu 12.04 64 bit with the Wubi installer on a Windows 7 with Check Point Full Disk Encryption. The Wubi Installer runs without any trouble selecting the compatibility mode with WinXP and as Administrator. The problem is that after the installation is complete and the reboot done, when you restart the system, there's no option to start Ubuntu instead of Windows. I recently installed Ubuntu on other Win7 machines without any problem. But those laptops don't have the Check Point Full Disk Encryption. And when you restart the system you have the option to start in Ubuntu. If somebody has resolved this issue please share...!!! Regards! Víctor

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  • How to set wifi driver settings to prefer 5 GHz channel above 2.4 GHz

    - by Wouter
    Currently I'm in a new building of my university. In this building my wifi often breaks down and then restores connection again. This is really irritating since it happens a lot. Now as a coincidence there were some tech guys running around here and where asking everyone if the wifi was doing fine. I told them that my wifi tears down all the time and then reconnects. They figured out that my wifi is switching all the time between the 2.4 GHz channel and 5 GHz channel. They asked me if I could acces the driver settings of my wireless card. Unfortunately I don't know how to do this is in either Linux or Windows. And unfortunately again they only knew the windows solution xD. So I hope somebody can tell me how I tell my wifi that it should stay on the 5 GHz network and not disconnect and switch to the 2.4 GHz channel?

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