Wednesday, October 31st, 2007 |
The recent update on Google PR did cause a bit of chaos to all bloggers around the world. It seems that after the updates, their PR dropped. Some dropped one point but some even more.
The Google PR campaign started last week and I thought our very first full time blogger, LiewCF won’t get hit by it. However, when I read LiewCF this morning, apparently, his PR also drop from PR6 to PR5. I double checked it with PRChecker and it still gives the same result.
Guess, everyone falls within Google radar this time. Ouch!
By the way, can anyone appeal on this? Or just have to wait Google to do another round of updates?
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Posted in News, General, Blogging | 4 Comments »
Tuesday, October 30th, 2007 |
Are you a victim of recent Google campaign to update Pagerank?
Loren Baker, the editor for SearchEngineJournal has confirmed that Google has emailed them regarding the PageRank (PR) update that caused many blogs have their PR dropped.
Matt Cutt, the key person in Google that heads the search engine optimization group confirmed that the PR dropped was to punish web publisher who sells links to other sites.
Many sites are affected by the updates; including:
- ProBlogger - from PR6 to PR4 Updated:(back to PR6; thanks pablopabla)
- Engadget - from PR7 to PR5
- JohnChow - from PR6 to PR4
- and etc.
Our local blogs are not spared too.
Are you website affected? Do you really bother about it anyway?
via SearchEngineJournal
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Posted in News, General, Blogging | 17 Comments »
Sunday, September 30th, 2007 |
As crazy as it may sound, a few months ago Japanese scientists successfully created a prototype battery that can be recharged with pee and now it’s on sale!!!
Excerpt from WeirdAsiaNews:
soaked a piece of paper in a solution of copper chloride and sandwiched it between strips of magnesium and copper. This sandwich was then laminated between two sheets of transparent plastic.
When a drop of urine is added to the paper through a slit in the plastic, a chemical reaction takes place that produces electricity.
NoPoPo (Non Pollution Power) are currently available in Japan only and it can produce 1.5 volts that last for 90 minutes. It’s rechargeable for up to 10 years but each time its recharged it has less power than before.
via WeirdAsiaNews
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Posted in Internet, News, General | 2 Comments »
Thursday, September 27th, 2007 |
Apparently, Excel 2007 cannot multiply correctly if you want to know the answer to
850*77.1
The correct answer is 65535 but it gives 100,000, instead. This bug was first reported in Microsoft Excel Group last week and Microsoft has already confirmed it. A quick fix will be available soon.
David Gainer from Microsoft explained the problem (excerpt from his blog):
This issue was introduced when we were making changes to the Excel calculation logic in the Office 2007 time frame. Specifically, Excel incorrectly displays the result of a calculation in 12 very specific cases (outlined below). The key here is that the issue is actually not in the calculation itself (the result of the calculation stored in Excel’s memory is correct), but only in the result that is shown in the sheet. Said another way, =850*77.1 will display an incorrect value, but if you then multiply the result by 2, you will get the correct answer (i.e. if A1 contains “=850*77.1”, and A2 contains “=A1*2”, A2 will return the correct answer of 131,070).
So what, specifically, are the values that cause this display problem? Of the 9.214*10^18 different floating point numbers (floating point on wikipedia) that Excel 2007 can store, there are 6 floating point numbers (using binary representation) between 65534.99999999995 and 65535, and 6 between 65535.99999999995 and 65536 that cause this problem. You can’t actually enter these numbers into Excel directly (since Excel will round to 15 digits on entry), but any calculation returning one of those results will display this issue if the results of the calculation are displayed in a cell. All other calculation results are not affected.
For full details, click here.
Joel, a former Excel developer, and now, running own software house, also explained the problem from technical point of view. It’s a good read for those who curious about this issue.
Before I try to explain this, I should disclose that I did work on the Excel team, but that was thirteen years ago. I haven’t been there for a long time. I don’t even think I know anyone on that team any more. I’m just trying to explain the bug a little bit as a public service.
The first thing you have to understand is that Excel keeps numbers, internally, in a binary format, but displays them as strings. For example, when you type 77.1, Excel stores this internally using 64 bits:
0100 0000 0101 0011 0100 0110 0110 0110
0110 0110 0110 0110 0110 0110 0110 0110
The display is showing you four characters: “7″, “7″, “.”, and “1″.
For full details from Joel, click here.
Technorati Tags: Microsoft Excel 2007
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Sunday, February 25th, 2007 |
We have added another PocketPC software into our library; Tips Calculator. You can use this simple utility to split bills equally up to 999 persons. It’s simple and straightforward user interface makes it easy for anyone to use it.
Did we mention that it is a freeware? What are you waiting for? Grab it now..
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