Monday, August 29, 2011

Nokia Shuts Down Developer Forum After Hacker Accesses Member Records



Nokia has temporarily shut down its developer community website as a precaution, after a hacker gained access to a database table containing forum members' email addresses and other information. The hacker last week exploited a vulnerability in the bulletin board software that allowed an SQL Injection attack that in turn enabled him (or her) to deface the forum website.
Nokia has now emailed all its developer forum members alerting them to the fact that not only has the website been defaced, but the hacker also gained access to records, which – fortunately for Nokia – did not contain passwords, credit card details or other sensitive information....
Read More at Techcrunch 
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Sunday, August 28, 2011

Creating Time-Series Atoms - Quantum “Atoms” of Data

Quantum "Atoms" of Data

This article explains how to create quantum "atoms" of data to avoid a paradox ofuncertainty on systems that have distributed transactions or human data entry.

Banks Do It All The Time

If you go to your online banking application, you'll notice that a number of recent transactions are in a "pending" state. Since the global banking system distributed in a way where there is no unified order in which events happen, transactional order can be interpreted in different ways. Banks tend to use selective interpretation to give the customer the benefit of the doubt or to charge extra penalties depending on the nature of the account and how they want to treat their customers.

It Applies To All Time Series Data

Unless your system gives a unique identifier or timestamp to all data with perfect accuracy, the uncertainty will exist in your data. Most of it is from human data entry. Unless they synchronize their watches down the microsecond and enter data with that level of accuracy, there will be some uncertainty in terms of what order things happened in. To solve this, we will create an "Atom" of time-series data at a specified level of granularity. For most applications, daily granularity is sufficient.

Creating Atoms of Data To Remove Quantum Uncertainty

Quantum physics teaches us that the nature of subatomic particles in inherently uncertain. Our world stops being as real as we'd like and we can no longer observe with absolute precision. We actually run into he same issues in our data model when multiple events supposedly occur at the same time. When we have credits and debits that claim to be happening in the same microsecond, our aggregation becomes ambiguous.
There is no correct order to put the transactions in and all permutations of order are equally valid. Sometimes we get lucky and the order in which the data was entered works itself out but there are always exceptions to the rule.
If you take a look at your online banking app, they deal with this by putting transactions in a "pending" state until the end of the day. They also do this to maximize or minimize the interest charged depending on their objective. You probably have a friend who has paid extra penalties when they thought they put their deposit in on time.
Rather than play this game, lets remove the uncertainty by atomizing our data. How do we do this? We will pick the smallest possible element in our date dimension and have our data model reflect the net changes for that period. For most systems, daily granularity is sufficient so let's pick that. Essentially, we are saying combining all invoices and payments for each day into a single record that we will use for deeper analysis. The resulting view gives us one record per customer for every date that has either an invoice or payment. Every record in this view is an "atom" of data that can not be reduced anymore without inviting ambiguity.

Making It Work With Northwind

Let's this example is easy to work with, let's the Orders Table from the Northwind sample database to create a view that simulates a dataset with credit and debit transactions. You could create a similar view on nearly any database. This query will use the OrderDate to simulate invoices.
1SELECT
2CustomerID AS Customer,
3OrderDate AS TransactionDate,
4Freight AS Invoiced,
5AS Paid
6FROM ORDERS
Next, Let's create a view called Transactions to simulate the data we need form Northwind. You could create as similar view in your system.
1CREATE VIEW Transactions AS
2SELECT 'Invoice' AS TransactionType,
3CustomerID AS Customer, OrderDate AS TransactionDate,
4Freight AS Amount
5FROM Orders
6UNION
7SELECT 'Payment' AS TransactionType,
8CustomerID AS Customer,
9ShippedDate AS TransactionDate,
10-Freight AS Amount
11FROM Orders where ShippedDate IS NOT NULL
This gives us a nice, clean view to work with.
Izenda table

Conclusion

Now we simply do a SUM of the amount and GROUP BY the Date to compress all the data for each date into a single "atom" of data for each customer.
1SELECT Customer, TransactionDate,SUM(Amount) AS Net FROM TransactionsGROUP BY Customer, TransactionDate Each Date now has a single Net amountof change that you can work with.
Creating an "atomic" view would result in a high performance data source that guarantees consistency and eliminates a paradox of uncertainty around how to interpret the order of transactions in a given day.
We now have a view that we can plug into a rich reporting experience like Izenda.

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To download a full evaluation of Izenda Reports and Dashboards, click here.


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Thursday, August 25, 2011

Top Headlines - Steve Jobs Hot in News


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Steve Jobs & The Sound of Silence - gigaom.com
 
Like many of my colleagues in Silicon Valley, I was having a fantastic day. It is crisp in the shade, warm in the sun. The skies are a magical blue with puffy clouds floating like dreams. And when all seemed to be going well,...
 
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6f3a91d6-9e45-4263-b5b6-e06f02803813_400
 
Steve Jobs: The End Of An Era - techcrunch.com
 
We all know the broad strokes: a boy is born to an graduate student and her Syrian boyfriend. She puts the boy up for adoption. He comes to live with Paul and Clara. Paul is a machinist who moved to San Francisco after WWII. He...
 
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Steve Jobs's Best Quotes - blogs.wsj.com
 
Although Steve Jobs's tenure as Apple CEO will be remembered for ushering in fundamental changes in the way people interact with technology, he is also known for his salesmanship and his ability to turn a phrase.
 
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Steve Jobs's Best Quotes - blogs.wsj.com
 
Although Steve Jobs's tenure as Apple CEO will be remembered for ushering in fundamental changes in the way people interact with technology, he is also known for his salesmanship and his ability to turn a phrase.
 
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6f3a91d6-9e45-4263-b5b6-e06f02803813_400
 
Steve Jobs: The End Of An Era - techcrunch.com
 
We all know the broad strokes: a boy is born to an graduate student and her Syrian boyfriend. She puts the boy up for adoption. He comes to live with Paul and Clara. Paul is a machinist who moved to San Francisco after WWII. He...
 
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RPM software company Eloqua files $100M IPO - venturebeat.com
 
Revenue performance management (RPM) software company Eloqua Limited Wednesday filed an initial public offering estimated at $100 million. Eloqua's RPM software solution is a software-as-a-service (SaaS) platform that provides...
 
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Wednesday, August 24, 2011

10 Things I Learned From My Layoff

10 Things I Learned From My Layoff
Afraid a layoff might be looming in your future? It doesn't have to be a terrible experience, and can actually teach you something. One writer shares her thoughts on finding herself in sudden unemployment.
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Free Diagnostic, Benchmarking Tools

Today's Picks
PC Wizard
  • Version: 2010.1.961
  • File Size: 5146
  • License: Free
  • Operating System: Windows NT,Windows 2000,Windows 9.x,Windows Me,Windows XP,Windows Vista,Windows Server 2003,Windows 7
This free utility from CPUID relays a lot of info. Much of said info may be found in Windows Device Manager, but a lot of it can't. In addition to the usual processor info, PC Wizard reports on the motherboard chipset, CPU model and cache sizes, voltages, hard drive spindle speed, and more.- Jon L. Jacobi
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Cinebench
  • Version: 11.529
  • File Size: 142107
  • License: Free
  • Operating System: Windows XP,Windows Vista,Windows 7
Cinebench tests CPU and OpenGL performance using the popular Cinema 4D rendering package as the basis for a series of real-world tests, including a scene render and car chase. Results are easy to understand, contextually ranked against similar systems according to criteria you select.- Jim Norris
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Sunday, August 21, 2011

5 Signs Your Resume is Outdated

It doesn't matter how ready you are for the modern workplac
5 Signs Your Resumé is Passé
e if your resumé is straight out of 1994, it needs to speak to the modern hiring manager. Your resumé might be passé if… 

#1: You've forced it to fit all on a single page ->
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Updated Game of Thrones Theme, Deadly Yataghan Free Font

Today's Picks
HBO Game of Thrones
  • Version: v1
  • File Size: 7779
  • License: Free
  • Operating System: Windows 7
The Iron Throne is uncomfortable, even known to draw blood. But the one who takes control of it rules Westeros, the setting of George R.R. Martin's "A Song of Ice and Fire" and HBO's adaptation, "Game of Thrones." The throne, and some of the characters who battle to seize or protect it, take over your Windows 7 desktop with this free themepack.- Laura Blackwell
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Yataghan
  • Version:
  • File Size: 20
  • License: Free
  • Operating System: Windows NT,Macintosh,Windows 2000,Windows 9.x,Windows Me,Windows XP,Windows Vista,Windows Server 2003,Windows Server 2008,Windows 7
When your kingdom is engaged in a game of thrones, image is everything. A ruler busy at the barricades might carelessly command the art department to get setting with the first available blackletter or even a neutral sans serif, but a cleverer solution can be found in Yataghan, Daniel Midgley's Gothic display font.- Kate Godfrey
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Wednesday, August 17, 2011

Save Your System: Free CCleaner, Oops!Backup

Today's Picks
CCleaner
  • Version: 3.09
  • File Size: 3367
  • License: Free
  • Operating System: Windows NT,Windows 98,Windows 2000,Windows Me,Windows XP,Windows Vista,Windows 7
Want to clean and optimize your PC? You've probably heard of CCleaner, arguably the world's most popular tool for doing the job. It clears out temporary files, cleans the Windows Registry, erases browser histories, and so on. - Rick Broida
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Oops!Backup
  • Version: 3.0.31.0
  • File Size: 18885
  • License: Trial
  • Operating System: Windows XP,Windows Vista,Windows 7
Oops!Backup ($37) saves all versions of the files it backs up, and it does so using delta technology, meaning it saves only the changes. This can significantly reduce disk space requirements. When you need to restore a file, you choose a time from which to restore, and your files as they existed at that point are restored - Jon L. Jacobi
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Shahzad Afzal
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Monday, August 8, 2011

Free Browser Tools: Maxthon, Speckie

Today's Picks
Maxthon
  • Version: 3.1.3.200
  • File Size: 20701
  • License: Free
  • Operating System: Windows XP,Windows Vista,Windows 7
Maxthon is probably the best Web browser you've never heard of. It includes two built-in rendering engines, Webkit and Trident, which means no website should be incompatible when browsing. One of the best uses for this is to visit ancient sites that only work with Internet Explorer.- Steve Horton
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Speckie
  • Version: 2.0
  • File Size: 1248
  • License: Free
  • Operating System: Windows XP,Windows Vista,Windows 7
Among the many reasons I'm partial to Firefox is that Mozilla's browser has long offered a built-in spell checker. Internet Explorer, even in its latest release, doesn't do bad spellers any favors. Thankfully, there's Speckie, a free Internet Explorer add-on that provides real-time spell checking.- Rick Broida
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Thursday, August 4, 2011

How to Add Menu To Blogger

Source : Garden Bloggers

Step #1: 
Backup your template and save it in case you do anything wrong you can always upload it and go back to your original template. Another option is to try this first on a test blog and if you do it without any damage to your test blog then you can proceed to do it on your own garden blog. To implement this you need do the header modification that allows you to add gadgets to your blogger header.

Step #2:
DynamicDrive.com provides a number of free horizontal menus you can add. For the Chicago Gardeners blog I chose "thick underline menu." So I copied the The CSS code they provided leaving out the very first line and the very last line. Look carefully, see what I didn't bother to copy?  at the very bottom.

/*Credits: Dynamic Drive CSS Library */
/*URL: http://www.dynamicdrive.com/style/ */

.underlinemenu{
font-weight: bold;
width: 100%;
}

.underlinemenu ul{
padding: 6px 0 7px 0; /*6px should equal top padding of "ul li a" below, 7px should equal bottom padding + bottom border of "ul li a" below*/
margin: 0;
text-align: right; //set value to "left", "center", or "right"*/
}

.underlinemenu ul li{
display: inline;
}

.underlinemenu ul li a{
color: #494949;
padding: 6px 3px 4px 3px; /*top padding is 6px, bottom padding is 4px*/
margin-right: 20px; /*spacing between each menu link*/
text-decoration: none;
border-bottom: 3px solid gray; /*bottom border is 3px*/
}

.underlinemenu ul li a:hover, .underlinemenu ul li a.selected{
border-bottom-color: black;
}
I just pasted this into my template before the footer code and previewed to make sure I didn't make a mistake then saved my template. The next step was to copy all of the HTML code they provide that will create the links/buttons that people will click on to navigate your garden blog.



In your header add an HTML/JavaScript gadget and past the above code.
Read detailed post here: Garden Bloggers
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Wednesday, August 3, 2011

IE users have lower IQ says study - story was bogus

 
Internet Explorer story was bogus - bbc.co.uk
 
A story which suggested that users of Internet Explorer have a lower IQ that people who chose other browsers appears to have been an elaborate hoax.


 
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IE users have lower IQ says study - bbc.co.uk
 
Angry Internet Explorer users threaten to sue over a report claiming that IE users have a lower...
 
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Find Duplicate Files: Visual Search Pony, Free File Finder

Today's Picks Free Alternative
Visual Search Pony
  • Version: 9.30
  • File Size:
  • License: Trial
  • Operating System: Windows XP,Windows Vista,Windows 7
Visual Search Pony ($25) identifies duplicate video files so you can free up space. Better yet, it identifies them even if the if the format, name, or resolution are different--the program uses other criteria--so it finds copies that other duplicate finders miss.- Jon L. Jacobi
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Fast Duplicate File Finder
  • Version: 3.0.0.1
  • File Size: 1935
  • License: Free
  • Operating System: Windows NT,Windows 98,Windows 2000,Windows Me,Windows XP,Windows Vista,Windows Server 2003,Windows 7
With photos, videos, and music files clogging up your hard disk, it's harder than ever to keep it clean, trim, and free of duplicates. Use Fast Duplicate File Finder, though, and you'll be able to find duplicate files with ease.- Preston Gralla
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Free PDF Readers: Foxit, Nitro

Today's Picks
Foxit Reader
  • Version: 5.02
  • File Size: 12263
  • License: Free
  • Operating System: Windows 2000,Windows XP,Windows Vista,Windows 7
Foxit Reader is a fast and lightweight alternative to Adobe's Acrobat Reader for opening and reading PDF files. It also captures text, and copies and pastes text.- Jon L. Jacobi
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Nitro PDF Reader (32-bit version)
  • Version: 2.0
  • File Size: 26131
  • License: Free
  • Operating System: Windows XP,Windows Vista,Windows Server 2008,Windows 7
Nitro PDF Reader is easily the fastest PDF reader around. It also installs a driver that turns any kind of document into a PDF, and it lets you add your own text to PDFs.- Jon L. Jacobi
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