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  • Eliminating Magic Numbers: When is it time to say "No"?

    - by oosterwal
    We're all aware that magic numbers (hard-coded values) can wreak havoc in your program, especially when it's time to modify a section of code that has no comments, but where do you draw the line? For instance, if you have a function that calculates the number of seconds between two days, do you replace seconds = num_days * 24 * 60 * 60 with seconds = num_days * HOURS_PER_DAY * MINUTES_PER_HOUR * SECONDS_PER_MINUTE At what point do you decide that it is completely obvious what the hard-coded value means and leave it alone?

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  • Why do I have to add a PPA twice (once to add it to the list of repo, second time to fix a BAD GPG)

    - by Luis Alvarado
    I notice the following: I add a ppa using add-apt-repository, for example the wine ppa, mozilla security, nvidia drivers, etc.. When I go to the Update Manager and tell it to CHECK for updates it throws me a PPA error. To solve the error I add the same PPA again. Why do I have to add the PPA again (This also can be done by adding the received key alone with apt-key) but why does this problem happen anyway.

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  • I Have A Website, Why Do I Need A Blog?

    A website is a great tool to have, however while I believe it is the most important tool of your online marketing, it should not stand alone. Social media, and specifically a blog should be used in c... [Author: Eric Schuster - Web Design and Development - April 21, 2010]

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  • SEO Link Building - An Important Part of Online Marketing

    You must remember that SEO link building is something that is a very important part of online marketing. The latter is a field that has in recent times become a real money churner for corporate conglomerates. SEO link building is so important that now you have marketing companies that specialize in this particular field alone. It should be noted that such online marketing per se will not help you garner great sales; you should also be highly involved in social media as well.

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  • 4 Great Advantages of Top Website Building Software

    To build a website is one of the most crucial decisions you have to make when you own a business. So if you really want to earn a big profit, you need to have a great website that will pave the way for your business to reach more prospects. But you must understand that when you build your own website, you must not concentrate on its visual appearance alone.

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  • I have Ubuntu 12.04 installed on my pc and the pc hangs and does not restart more (translated)

    - by adail
    Translated from google My pc is an intel atom + Yes, it came with windows 7, formatted and installed Ubuntu 12.04, but the pc is unstable, it will not turn off properly and alone, appearing msg that there is no image signal, what to do? Meu pc é um Sim+ intel aton, veio com o windows 7, formatei e instalei o ubunto 12.04, mas o pc está instavel, ele não liga corretamente e desliga sozinho, aparecendo a msg que não ha sinal de imagem, o que fazer?

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  • Why is lowlatency kernel not being updated in parallel with the generic kernel?

    - by FlabbergastedPickle
    All, Any idea when we'll see updates to the lowlatency version of the Ubuntu 12.04 kernel? It is still stuck at 3.2.0.23 whereas the generic kernel is already several updates ahead of it at a version 3.2.0.25? NB: I am using a 64-bit version but I don't think this is limited to the 64-bit kernels alone but rather affects both 32-bit and 64-bit builds. Please do correct me if I am wrong about this.

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  • Quality SEO Services to Guarantee Your Online Popularity

    Internet Marketing strategies aim to give you the edge you need to succeed in the online scenario. Whether its business, outsourcing, or for popularity purposes, Internet Marketing aims to put you on top and keep your competitions down. Keep in mind that implementation of its strategies alone is not enough to guarantee that you're going to meet your goals. In most cases, you have to opt for expert implementation of quality SEO Services to ensure your success in the online setting.

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  • Secrets of Creating a Digital Marketing System For a Financial Management Firm

    A Financial Management firm can create a strong web presence by designing and developing a business website on the internet. However, this step alone is not a digital marketing plan. Just putting up a Financial Management firm website on the internet is similar to establishing a physical business like a shop or an office, and then just sitting back and waiting for the customers to flow in. More than likely, it will not happen and your website will resemble a billboard in the desert.

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  • Different Methods of Link Building

    If you have created a new website, you must be very anxious to see it on search engine results. But submitting it to search engines alone will not help. You will need to optimize your website for search engines.

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  • How to submit ideas for the Ubuntu Apps Showdown to reddit?

    - by wik
    I submitted 4 app ideas, but only one pass through to the list on reddit, the others 3 even not searchable: Medication Tracker TrelloChat TwilioPhone I also submitted the blog post, firstly it went through to the list, but disappeared the next day. Am I missed anything? UPDATE: At least I'm not alone with this issue, see comments on the following wrap-up's: Ubuntu App Showdown Week 1 Wrap-Up Ubuntu App Showdown Week 2 Wrap-Up

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  • Running MS Access Programs

    - by fredhappier
    I have an old program developed in MS Access and would like to convert it to Kexi somehow. The program on Windows is launched with Access. Is there any way that Kexi can launch this program? I know my way around Ubuntu and the terminal, but not well versed on databases. Once you make something in Kexi how do you "run" it or "view" what you've made? So far I am able to import the MDB file into Kexi and see all of the database data, but that is as far I have gone. The program was made by a relative years ago for my dad. I myself am an Ubuntu only user for 6+ years now and have no intentions to touch Windows and am looking for a linux solution. My dad is also an Ubuntu user, hence why Im looking for a solution. If Kexi cannot launch and run an MDB file, what else can I try? Anything browser based? Any tips or direction would be extremely helpful. I spoke to my brother who originally made the program. I told him about Kexi and here is what he said. Does any of this make sense? Thanks. This is how I would try to get them to work: Stand alone setup - after import, look for an option where you designate which form object you want to open upon startup. It might be in the tools tab in the picture below. After you save that change, it re-start it and it should work. Front end/back end setup - Do what I suggested for the stand alone setup to the "front-end" MDB file. After you do that, put the other file (table MDB file) where you want it to reside on the network. Now, open back up the "front end" file and look for an option that will allow you to "connect" to those tables in the other file. It looks like it could be in the "External data" tab in the picture below. For this setup, you may need to do these two tasks in the reverse order I just mentioned. Thanks! Fred

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  • How Good SEO Can Help Promote Your Blog

    Are you a blogger with something to say, but need a bigger audience to hear you out? If so, then you're not alone. With millions of blogs flooding the Internet from points around the world, it can be tough to get your voice to stand out.

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  • Swapping Function (Fn) and Control (Ctrl) Keys on Lenovo ThinkPad W500

    - by Howiecamp
    I'd like to swap the Fn and Ctrl keys on my ThinkPad W500 (like many others! See: How can I switch the function and control keys on my laptop? and Intercepting the Fn key on laptops) Numerous folks indicate that Windows doesn't register the Fn key as a keypress but using Mihov ASCII Master 2.0, that gives the ASCII value of a keypress, I see the Fn key returning FF (perhaps FF in this case means 'not registered'). I also see that keys like Ctrl register with one ASCII code when pressed alone and another when pressed in combo with another key. Fn will only register when pressed alone, so Windows definitely isn't seeing the combo. This took a solution like AutoHotKey off the table. I ran KeyTweak (which shows you the hardware scan codes of a keypress and the Fn key registerd as 57443). Using this program I remapped Fn to the Ctrl key; this worked perfectly. However, I suspect that because of the issue in #1, the combo of, for example, Fn + C did not execute a copy. Short of retraining my pinky I'm actually considering removing the keyboard and resoldering the connections to swap those keys. I'd love to get some input as to the root technical issue(s) and possible solutions here.

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  • Swapping Function (Fn) and Control (Ctrl) Keys on Lenovo ThinkPad W500

    - by Howiecamp
    I'd like to swap the Fn and Ctrl keys on my ThinkPad W500 (like many others!). I wanted to comment on http://superuser.com/questions/35228/how-can-i-switch-the-function-and-control-keys-on-my-laptop and StackOverflow question 514781 (please Google it because I don't have enough rep to include 2 hyperlinks) but I don't have enough rep to do so to comment. Numerous folks (in both the above questions and on other Google searches) indicate that Windows doesn't register the Fn key as a keypress but using a tool that gives the ASCII value of a keypress (visit www mihov com / eng / am.html) I see the Fn key returning FF (perhaps FF in this case means 'not registered'). I also see that keys like Ctrl register with one ASCII code when pressed alone and another when pressed in combo with another key. Fn will only register when pressed alone, so Windows definitely isn't seeing the combo. This took a solution like AutoHotKey off the table. I ran KeyTweak (which shows you the hardware scan codes of a keypress and the Fn key registerd as 57443). Using this program I remapped Fn to the Ctrl key; this worked perfectly. However, I suspect that because of the issue in #1, the combo of, for example, Fn + C did not execute a copy. Short of retraining my pinky I'm actually considering removing the keyboard and resoldering the connections to swap those keys. I'd love to get some input as to the root technical issue(s) and possible solutions here. Thanks

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  • Time Machine vs Source Control?

    - by Blub
    Finally got convinced to start using some kind of version control for my code instead of zipping down a copy of the project at the end of each day. Downloaded Tortoise SVN and used it to create a repository localy on my hdd. I've been using it for 2 days now but I have to say that using it is actually more hassle than just copying the project manually in explorer. Sure, you only store incremental changes but with the cheap disks of today I can't really say that's an argument when you only have small projects. I haven't realy found a quick way to browse the older versions of my files eighter. What I want is an infinite undo that is completely transparent while I code, if I save the file I want a backup. I don't want to check out, check in and don't even get me started on moving files. I haven't tried Time Machine for OS X but it looks like it's exactly what I'm looking for. Does such a program exist for windows? Preferably free and with some kind of tagging-system so I can tag a timestamp when the project is working etc. Maybe should add that I mostly work alone on a single computer. Update: Some of you asked why I want backup. Since I work alone it's mostly to allow me to quickly hack up a solution without worrying that something will screw up.

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  • “NT AUTHORITY\ANONYMOUS LOGON” error in Windows 7 (ASP.NET & Web Service)

    - by Tony_Henrich
    I have an asp.net web app which works fine in Windows XP machine in a domain. I am porting it to a Windows 7 stand alone machine. The app uses a web service which makes a call to sql server. The web server (IIS 7.5) and SQL Server are on the same stand alone machine. I enabled Windows authentication for the website and web service. The web service uses a trusted connection connection string. The web service credentials uses System.Net.CredentialCache.DefaultCredentials. I noticed username, password and domainname are blank after the call! The webservice and web site use the 'Classic .NET AppPool' with NetworkServices identity. I am getting an exception "NT AUTHORITY\ANONYMOUS LOGON" in the database call in the web service. I am assuming it's related to the blank credentials. I am expecting ASPNET user to be the security token to the database. Why is this not happening? Did I miss a setting? (Usually this happens when sql server and web server are on two different machines in a domain, delegation & double hopping, but in my case everything is on a dev box)

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  • What methods are available for updating a non-Internet-connected VMWare ESXi host?

    - by romandas
    I have a stand-alone installation of VMWare vSphere Essentials, with a vCenter Server and 3 ESXi 4.0 host servers. The environment is intended to remain as a stand-alone network, with the exception that I can "float" a workstation or server between the 'Net and the VMWare network for patches and maintenance. With other installations, where the Internet is available, I've used the vSphere Host Update utility to connect to VMWare and then apply the patches to the ESXi hosts. My problem is that this utility does not seem to function if it cannot connect to both VMWare and the ESXi host at the same time, as the scan for patches function will not scan the server without connecting to VMWare's site to sync its repository first. Even if I sync it, disconnect from the 'Net and connect to the VMWare network, it still won't scan hosts for required patches -- it will prompt for syncing with VMWare and if you click No to syncing, the scan does not occur. Does anyone know of other options for updating the ESXi hosts in some automated fashion? I believe I can manually pull down required patches and apply them, but this will not scale well, and in the future I'm sure I'll want something a bit more scalable.

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  • Removing extended partition without deleting logical in it

    - by HisDudeness
    I'm running a Linux-based laptop, and in order to multi-boot several distros in it, I created an extended partition which contains a bunch of logical ones with GParted. Now, after quite a long time with this setup, I've changed my mind because of the consequent lack of storing space for my data partition. Now I want to keep one distro alone like it's normal, and eventually have some other operating systems stored in external supports to plug in and use if I want. Obviously, also this partition I want to keep (and to enlarge a little too) is just a logical inside the extended I want to keep. For what concerns the number I'm ok, meaning I currently have this big distro dedicated extended, the swap and the data partitions, so there's space for another primary before I delete the extended, but I don't know how to delete it without touching the logical in it, I don't want to reinstall the system losing all changes and settings, and I don't want to keep an extended partition for a logical alone. How can I do? Do I have to create a new primary, copy the logical content in it and then delete everything? Will the system boot and maintain exactly all the features it has now? Or is there a way to convert an extended into a primary once it contains just one logical? Or can I directly move a logical out of an extended turning it into a primary? Or, again, am I screwed?

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  • How can I make the Firefox Password Manager more intelligent?

    - by Philip
    I have two major gripes about the FF password manager: If I restore a session with multiple tabs with sites with saved passwords, the master password prompt pops up once for each of them, even if I correctly enter the password the first time. Sometimes I want Firefox not to use my saved passwords at all (e.g. because I want to let someone else use it without getting access to my accounts), but hitting cancel results in erratic behavior--sometimes the box just pops up again and again, or sometimes it stops and behaves as I wish (continuing to browse w/o my passwords) until it encounters another site that wants my password. Thus even when hitting cancel does leave me free to browse passwordless, it doesn't get Firefox to leave me alone for the whole session. Thus: do you know of any tweak or add-on that could (1) make Firefox smart enough to get my master password once and then leave me alone, and/or (2) add an option (checkbox-style, toggle button, etc.) to browse "for now" (until I toggle the option) or even "for this session" (until I restart) without using any of my saved passwords? I'm running Firefox 3.5.6 on Mac OS X 10.5; thanks.

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