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  • Are there similar sites to jsdo.it and jsfiddle.net? [closed]

    - by TK Kocheran
    I'm looking for sites similar to jsdo.it and jsfiddle.net. I really like jsdo.it, as it provides a nice editor and the ability to fork, but I really can't stand the usability as it really gets to be a pain to use after a while. I also like jsfiddle.net, but it too has some usability issues and the URL for your fiddle changes every time you save. Are there any other good alternatives for in-browser HTML testing and development?

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  • PMDB Block Size Choice

    - by Brian Diehl
    Choosing a block size for the P6 PMDB database is not a difficult task. In fact, taking the default of 8k is going to be just fine. Block size is one of those things that is always hotly debated. Everyone has their personal preference and can sight plenty of good reasons for their choice. To add to the confusion, Oracle supports multiple block sizes withing the same instance. So how to decide and what is the justification? Like most OLTP systems, Oracle Primavera P6 has a wide variety of data. A typical table's average row size may be less than 50 bytes or upwards of 500 bytes. There are also several tables with BLOB types but the LOB data tends not to be very large. It is likely that no single block size would be perfect for every table. So how to choose? My preference is for the 8k (8192 bytes) block size. It is a good compromise that is not too small for the wider rows, yet not to big for the thin rows. It is also important to remember that database blocks are the smallest unit of change and caching. I prefer to have more, individual "working units" in my database. For an instance with 4gb of buffer cache, an 8k block will provide 524,288 blocks of cache. The following SQL*Plus script returns the average, median, min, and max rows per block. column "AVG(CNT)" format 999.99 set verify off select avg(cnt), median(cnt), min(cnt), max(cnt), count(*) from ( select dbms_rowid.ROWID_RELATIVE_FNO(rowid) , dbms_rowid.ROWID_BLOCK_NUMBER(rowid) , count(*) cnt from &tab group by dbms_rowid.ROWID_RELATIVE_FNO(rowid) , dbms_rowid.ROWID_BLOCK_NUMBER(rowid) ) Running this for the TASK table, I get this result on a database with an 8k block size. Each activity, on average, has about 19 rows per block. Enter value for tab: task AVG(CNT) MEDIAN(CNT) MIN(CNT) MAX(CNT) COUNT(*) -------- ----------- ---------- ---------- ---------- 18.72 19 3 28 415917 I recommend an 8k block size for the P6 transactional database. All of our internal performance and scalability test are done with this block size. This does not mean that other block sizes will not work. Instead, like many other parameters, this is the safest choice.

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  • Search Engine Optimisation For Online Businesses

    Most Internet users make use of search engines to get apt results for their search and this is the reason that a website with good search engine ranking is preferred much by the visitors. Landing on top search engine results not only helps to draw quality traffic on the website, but also helps the website to become a brand in the market. The more visitors navigate the web page, more publicity for the site shall boost up and this is made possible with Search engine optimization.

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  • The 5 Not So Well Features of SEO

    There are lots of articles available on the Internet to know more about search engine optimization or popularly known as SEO. A good number of tips and tricks are accessible on the net about winning the popular search engines first page.

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  • "Collection Wrapper" pattern - is this common?

    - by Prog
    A different question of mine had to do with encapsulating member data structures inside classes. In order to understand this question better please read that question and look at the approach discussed. One of the guys who answered that question said that the approach is good, but if I understood him correctly - he said that there should be a class existing just for the purpose of wrapping the collection, instead of an ordinary class offering a number of public methods just to access the member collection. For example, instead of this: class SomeClass{ // downright exposing the concrete collection. Things[] someCollection; // other stuff omitted Thing[] getCollection(){return someCollection;} } Or this: class SomeClass{ // encapsulating the collection, but inflating the class' public interface. Thing[] someCollection; // class functionality omitted. public Thing getThing(int index){ return someCollection[index]; } public int getSize(){ return someCollection.length; } public void setThing(int index, Thing thing){ someCollection[index] = thing; } public void removeThing(int index){ someCollection[index] = null; } } We'll have this: // encapsulating the collection - in a different class, dedicated to this. class SomeClass{ CollectionWrapper someCollection; CollectionWrapper getCollection(){return someCollection;} } class CollectionWrapper{ Thing[] someCollection; public Thing getThing(int index){ return someCollection[index]; } public int getSize(){ return someCollection.length; } public void setThing(int index, Thing thing){ someCollection[index] = thing; } public void removeThing(int index){ someCollection[index] = null; } } This way, the inner data structure in SomeClass can change without affecting client code, and without forcing SomeClass to offer a lot of public methods just to access the inner collection. CollectionWrapper does this instead. E.g. if the collection changes from an array to a List, the internal implementation of CollectionWrapper changes, but client code stays the same. Also, the CollectionWrapper can hide certain things from the client code - from example, it can disallow mutation to the collection by not having the methods setThing and removeThing. This approach to decoupling client code from the concrete data structure seems IMHO pretty good. Is this approach common? What are it's downfalls? Is this used in practice?

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  • Which server to choose? [closed]

    - by Devbag
    I have telecom applications that I want to run on a server(I have chosen HP server), there are so many types of hp servers i.e DL380 (g3,g4 ....), blade , entry level server. I've surfed the web and nothing is helping me choose one that suites me, what I have is telecom application made in PHP and C. I've found many used DL380 G3,G4 and G5 on craiglist with really good prices, some of them have misssing HD, RAMs and some of them have nothing missing. Can you please help me choose wisely. Thanks,

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  • Should I use the ATI proprietary or free drivers with two Crossfire HD5850s?

    - by Dekel
    I own 2 XFX Radeon HD 5850 in crossfire configuration connected to 3 24" monitors. I really want to make Ubuntu my daily OS but can't seem to find the best configuration to use. Some threads say that the free driver is better then the ATI one and some say the new Catalyst fully takes advantage of the card capabilities. Anyone out there with a similar setup? What are your recommendations for a good production in 12.04 setup?

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  • Working With a Web Design Company

    Web designing and web development have become an integral part of each and every business today. If you are a business owner and are serious about staying ahead in the competition, you must consider online advertising and promotions. This will require you to work with a good web design company. There are a huge number of advantages and benefits associated with promoting a business online.

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  • 2.6.34 is Out; Let's Review

    <b>Linux Magazine: </b>"If you blinked you might have missed the announcement of the new 2.6.34 kernel. Things have been happening very quickly around file systems and storage in the recent kernels so it's probably a good idea to review the kernels from 2.6.30 to 2.6.34 and see what developments have transpired."

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  • Fundamentals of Vendor Management

    Creating and maintaining mutually beneficial relationships with external vendors is one of the pillars of good project management. Dwain Camps goes through what to expect and allow in your client-vendor relationship during the various stages of a given project to ensure its success and secure that all important win-win outcome. Save 45% on our top SQL Server database administration tools. Together they make up the SQL DBA Bundle, which supports your core tasks and helps your day run smoothly. Download a free trial now.

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  • 10 Things You Should Do After You Install WordPress

    It's a good idea to go to your server and locate the WordPress instruction and installation file that is automatically uploaded with the WordPress software. You need to rename this file to something random and hard to guess. This is a preventative measure to deter hackers from easily finding that your site runs WordPress and trying to exploit any vulnerabilities in the software.

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  • Ideas for pet concurrent applications [closed]

    - by DJoyce
    As part of research I am doing into functional concurrent programming, I am looking to develop a prototype business application (or otherwise), that requires and supports parallelism. So I will first develop this application in java 7, followed by scala and then clojure while demonstrating the concurrent support in each language. However, I am a little short on suitable ideas and therefore i'm hoping I can get some good, interesting ideas on this thread. Thanks!

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  • Should the main game object be static in c++

    - by Som_kun
    I am creating a 2d platformer using SDL and I was thinking that my game object could be static, but I wasn't sure if this was a good idea. The pros (that I can see): Accessing settings options (such as screen size and keyboard bindings) would be easier accessed There should only ever be one main game loop, so this makes sure for me. The cons: From what I've heard, static classes in C++ are a bear to work with I've read that this may cause problems later in development (things don't work right or can't be used properly

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  • HTML5 Browsers

    Who supports HTML5? The following sites have some good charts on the most cutting edge browsers sporting the latest HTML5 support [html5readiness.com][1] shows the progress of current browser support for HTML5. [WTF is HTML5][2] Safari Webkit based browsers are de... 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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  • What to Do When Bad SEO Comes Looking For You

    When looking at hiring Chicago SEO companies, it is extremely necessary that the hiring person is hiring a good reputable company who understands the reconstructing or redesigning your website is not just a matter of doing a hack job and sending hose page rankings soaring for a few glorious weeks. It's a matter of management of search marketing and optimization.

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  • 3 Ways to Help Your Website Be Seen Online

    When it comes to conducting business online, having good search engine optimization (SEO) foundations is just as important as having a Web site in the first place. Whether you use your Web site to share information about your business, get customers, sell a product or service, or more, it's essential that you incorporate some tried and true SEO strategies if your Web site is going to successfully serve its purpose.

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  • How to Identify the Most Effective SEO Tools

    Leaders never blend in with the crowd. Many people are under the impression that SEO tools will give you the best keywords possible. These are good for starters to increase your website page rank, and be seen by more visitors from your target audience.

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  • Search Engine Optimization - The Three Main Elements

    In today's economy, having a good website on the Internet can really make or break a business. It is proven, that ranking well for the correct keywords in search engines like Google, Yahoo and Bing can give you lots of business. However, what elements makes a website rank well in the search engines? Here are three.

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