Update vs Insert in SQL
May 25th, 2009 by sherlock Hit :: 420
PostgreSQL 7.03
| Normal | autocommit on | fsync off |
| insert update | insert update | insert update |
| 5:16 6:46 | n/a n/a | 0:10 0:18 |
“Insert” is faster than “update”.
Improve the percentage of connection bandwidth
May 21st, 2009 by sherlock Hit :: 424
1. Start, Run, gpedit.msc, press Enter.
2. Choice Administrative Templates, Network, QoS Packet Scheduler Continue Reading »
The Special Syntaxes of Google
May 21st, 2009 by sherlock Hit :: 1112
- site:
site: allows you to narrow your search by either a site or a top-level domain.
AltaVista, for example, has two syntaxes for this function (host: and domain:), but
Google has only the one.
site:loc.gov
site:thomas.loc.gov - link:
link: returns a list of pages linking to the specified URL. Enter
link:www.google.com and you’ll be returned a list of pages that link to Google.
Continue Reading »
Vitamin D May Extend Your Life
May 21st, 2009 by sherlock Hit :: 386
New York, November 29, 2007 - ‘Sunshine Vitamin’ is good for your bones and cuts the risk of cancer and diabetes, doctors have said for years. But, a new study has revealed that taking the compound everyday might extend your life too.
A team of international researchers has carried out a study and found that taking a daily dose of Vitamin D lowers the risk of mortality- the findings have been reported in the ‘Archives of Internal Medicine’ journal.
Jay Chou - Cai Hong ( Rainbow )
May 21st, 2009 by sherlock Hit :: 1327
Na li you cai hong gao su wo
Neng bu neng ba wo de yuan wang huan gei wo
Wei shen me tian zhe mo an jing
Suo you de yun dou bao dao wo zhe li