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  • More elegant way to avoid hard coding the format of a a CSV file?

    - by dsollen
    I know this is trivial issue, but I just feel this can be more elegant. So I need to write/read data files for my program, lets say they are CSV for now. I can implement the format as I see fit, but I may have need to change that format later. The simply thing to do is something like out.write(For.getValue()+","+bar.getMinValue()+","+fi.toString()); This is easy to write, but obviously is guilty of hard coding and the general 'magic number' issue. The format is hard-coded, requires parsing of the code to figure out the file format, and changing the format requires changing multiple methods. I could instead have my constants specifying the location that I want each variable to be saved in the CSV file to remove some of the 'magic numbers'; then save/load into the an array at the location specified by the constants: int FOO_LOCATION=0; int BAR_MIN_VAL_LOCATION=1; int FI_LOCATION=2 int NUM_ARGUMENTS=3; String[] outputArguments=new String[NUM_ARGUMENTS]; outputArguments[FOO_LOCATION] = foo.getValue(); outputArgumetns[BAR_MIN_VAL_LOCATION] = bar.getMinValue(); outptArguments[FI_LOCATOIN==fi.toString(); writeAsCSV(outputArguments); But this is...extremely verbose and still a bit ugly. It makes it easy to see the format of existing CSV and to swap the location of variables within the file easily. However, if I decide to add an extra value to the csv I need to not only add a new constant, but also modify the read and write methods to add the logic that actually saves/reads the argument from the array; I still have to hunt down every method using these variables and change them by hand! If I use Java enums I can clean this up slightly, but the real issue is still present. Short of some sort of functional programming (and java's inner classes are too ugly to be considered functional) I still have no obvious way of clearly expressing what variable is associated with each constant short of writing (and maintaining) it in the read/write methods. For instance I still need to write somewhere that the FOO_LOCATION specifies the location of foo.getValue(). It seems as if there should be a prettier, easier to maintain, manner for approaching this? Incidentally, I'm working in java at the moment, however, I am interested conceptually about the design approach regardless of language. Some library in java that does all the work for me is definitely welcome (though it may prove more hassle to get permission to add it to the codebase then to just write something by hand quickly), but what I'm really asking is more about how to write elegant code if you had to do this by hand.

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  • What are some good examples of Powernap scripts and its use?

    - by shootingstars
    I would like to use powernap for putting my media server into suspend mode, and I haven't been able to find any example /etc/powernap/action scripts out there, except these: one two three Does anybody have a good script or recommend particular techniques with its use? From the comments of the default /etc/powernap/action script: # You may do one of: # 1) Write your own custom script below and make this file executable, # calling some specific action, such as: # /usr/sbin/pm-suspend # /usr/sbin/pm-hibernate # /sbin/poweroff # echo 'I am wasting electricity' | mail [email protected] # 2) Replace this file with an executable script or binary # 3) Symlink this file to some other executable script or binary

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  • How to See Your Estimated Data Usage in Windows 8

    - by Taylor Gibb
    Although you can use metered connections to get the most of your bandwidth in Windows 8, at times you may want to know how much data you have used for a single browsing session. Here’s how to do it. Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary

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  • Is sqlite3 faster than MySQL on shared hosting?

    - by Osvaldo
    Can sqlite3 be faster than MySQL on shared hosting and small to average websites (less than 500 visitors a day). I have an account in a popular shared hosting provider and I've noticed that it has become quite slow redering pages. My doubt is that this may happen because the MySQL server is overloaded. Some CMS'es work fine with SQLlite too, so I was wandering if I should use SQLite for the new sites instead of MySQL.

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  • SQL 2012 - MySemanticSearch Demo with Tag Clouds

    - by sqlartist
    Excellent demonstration of the new SQL Server 2012 Semantic Search feature available at http://mysemanticsearch.codeplex.com Just tried it out on a large Business Intelligence related Microsoft Word collection and also the health related DMOZ collection of html files discussed in my previous posts. I have included some screenshots below of each document collection. I have realised that the Tag Cloud may need to be a bit more configurable based on the results of any search term. Business Intelligence...(read more)

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  • Protect Your Data with Windows Vista

    Now a day nothing is more important than backing up your data of your computer. But there are still many people who do not understand the importance of protecting data. Therefore when they proceed fo... [Author: Susan Brown - Computers and Internet - May 08, 2010]

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  • Windows Dedicated Server Hosting Services

    There is something about windows dedicated server hosting services that strikes the attention of the end user, making it look highly delectable and eventually being compelling enough for the enterpri... [Author: John Anthony - Web Design and Development - May 24, 2010]

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  • Google I/O Sandbox Case Study: DayZipping

    Google I/O Sandbox Case Study: DayZipping We interviewed DayZipping at the Google I/O Sandbox on May 10, 2011. They explained to us the benefits of integrating with Google Maps. DayZipping is a website where users can find and share day trips for a variety of popular destinations. For more information about developing on Google Maps, visit: code.google.com For more information on DayZipping, visit: www.dayzipping.com From: GoogleDevelopers Views: 33 0 ratings Time: 02:09 More in Science & Technology

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  • fusion news or cutenews

    - by NEWprogrammer
    I am looking at using cutenews or fusionnews, neither have the specific option i want which is when a new article is posted to email all my subscribers the last article. I would like to know which one is most customizable to do this or of another application that can do this? i didnt want to use wordpress because i want to custime the layout and page, but if thats the only option then i may stick to wordpress.

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  • Online Businesses Using SEO

    The competition in the market nowadays is very tough because most of the company want to earn and improve their economic status. With the global crisis that we all are experiencing it would be hard to meet the target that you are aiming for your company. However, though it may be a tough competition to face there are still available methods that you can do to increase your income.

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  • A Few Useful Coding Tips For PHP - MySQL Hosting

    Due to the simplicity and effectiveness of PHP and the functionalities of MySQL, PHP-MySQL hosting solution becomes the favorite choice for many website developers. However, many PHP programmers, mostly the inexperienced website developers may face different kinds of problem because they are lack of understanding about some tips and tricks to improve their PHP hosting performance. Going through the contents of this article will help you learn the top five most useful tips for your website development.

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  • OBIEE 10.1.3.4.1 patching support about to end soon

    - by THE
    To all Users of the older release OBIEE 10.1.3.4.1: Patching support for 10.1.3.4.1 ends in September (1 year after 10.1.3.4.2 patchset release).After September, there will be no more one-off patches available for 10.1.3.4.1 or lower versions.Customers may apply 10.1.3.4.2 patchset so they can continue receiving one-off patches if situations arise. Note: 10.1.3.4.2 is a QA-tested patchset (collection of all bug fixes from 10.1.3.4.1 merged together) and is not an upgrade.

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  • Prevent Truncation of Dynamically Generated Results in SQL Server Management Studio

    While working with the Results to Text option in SSMS, you may come across a situation where the output from dynamically generated data is truncated. In this article I will guide you on how to fix this issue and print all the text for the Results to Text option. "SQL Backup Pro 7 improves on an already wonderful product" - Don KolendaHave you tried version 7 yet? Get faster, smaller, fully verified backups. Download a free trial of SQL Backup Pro 7.

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  • Quality SEO Services For Hire

    With the many websites being continuously uploaded to the internet with each passing minute of the day, one may wonder how he or she can get their web site noticed with the ever increasing competition. Many people are beginning to turn to quality SEO services for help with their web site optimization needs.

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  • How to Increase Page Rank With Article Submission Campaigns

    Every business that is serious about carving a successful future in the 21st Century must get on board with the idea of web marketing. Back in the days before the Internet, it may have been enough to have a business card, a witty jingle, a brick-and-mortar storefront and a membership to the Chamber of Commerce.

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  • Flash Website for Superior Exposure

    Flash website design can be simple as well as complex in nature i.e. the flash animations. The animations can be designed using different combination of fonts, graphics, pictures, etc. By the help of... [Author: Alan Smith - Web Design and Development - May 13, 2010]

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  • Achieve Top Rank by Combining CSS with SEO

    CSS stands for ?Cascading style sheets? which is a computer style sheet language. It gives web designers the liberty of affixing different styles like color, spacing, font and so on to the HTML docum... [Author: Alan Smith - Web Design and Development - May 15, 2010]

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