July, 2009
Will HTML 5 Will Leave Video in the Air ?
HTML 5 — the next generation of the language that defines the World Wide Web — has made great strides in the way browsers handle media. Rather than utilizing proprietary technologies like Flash or Silverlight, HTML 5 will implement audio and video tags that provide multimedia content outside the existing frameworks. For all its progress, [...]
How to Test the Strength of a Password
For better identity protection, Microsoft offers an excellent online service, Password Checker, to assist users to check and verify how secure their proposed password is. If users worry their password is not strong enough, log in to Microsoft Password Checker and find out via this free tool; it is pretty easy to use. Users just need [...]
How to Backup Web Browser Settings
when talking about backup web browser settings, it is probably not as common as backup files or data. Backup web browser setting is also important so that you don’t lose some important settings such as bookmarks, extensions, history, plugin data, preferences, thumbnails, visited links and etc when you have formatted hard disk or even change [...]
How to Install Reliance USB Huawei EC325 CDMA data modem
1. Install the Reliance Netconnect software from the CD. 2. If the Huawei Connect software does not recognize the Data card, go to Device Manager. Vista will assign multiple ‘data interface’ devices under the ‘Other devices’ category for the data card. Right click the device, select ‘Update Driver Software…†and browse to Reliance CD. Make sure ‘Include [...]
How to copy photos from orkut
There is a very annoying feature at orkut now. You can not download any image file from Orkut directly from someone’s album. You will have to save the whole HTML file instead or you will have to take screen-shots and then save it in paints and thencrop it. Isn’t it too tedious? The other day I [...]
How to run a POP3 server on a Red Hat Linux host
Do you need to run a POP3 server on a Red Hat Linux host? Red Hat Linux includes the UW-IMAP server package, which includes the ipop3d server. This package is well supported, and enjoys continuing development. Unfortunately, the POP3 server portion of the UW-IMAP server is not well documented. It is easy to setup, though. This setup [...]
How to Avoid Displaying NULL Values by Mapping to Other Values
The NULL was introduced by the creator of relational database model, Dr.E.F.Codd. In relational database management systems, NULL means unknown value or the value does not exist in database. MySQL supports NULL to represents the concept of missing information and inapplicable information. Sometimes, we have to display the stored data which has NULL value to [...]
How to Compare Two Tables to Find Unmatched Records
One of the fastest and easiest ways to do so is using UNION. The idea is we use UNION to union two tables on all columns which we want to compare. Then we group the union on all columns which we want to compare. If the all columns are identical we get COUNT (*) equal [...]
How to Select the nth Highest Record in a Database Table using MySQL Select the nth Highest Record in a Database Table
The first idea is we get the nth highest record and sort them in ascending order. The nth highest record is the last record in the result set. And then we order the result set in descending order and get the first one. Here is SQL script to accomplish it: Get the Nth highest result [...]
How to Count Number of Records in a Database Table in MySql
In order to count a number of records in a database table we can use standard SQL COUNT function. The syntax is quite simple as follows: SELECT COUNT(*) AS total_founds FROM table_name The query will return the total record of the table. We can use WHERE clause in SELECT statement to filter records in the [...]
How to set the date and time via NTP – ntpdate in Linux
Synopsis ntpdate [ -bBdoqsuv ] [ -a key ] [ -e authdelay ] [ -k keyfile ] [ -o version ] [ -p samples ] [ -t timeout ] server [ ... ] Description ntpdate sets the local date and time by polling the Network Time Protocol (NTP) server(s) given as the server arguments to [...]
How to set the date in Linux
We need to accurately set time and date in our Linux, here is how to do it, from the command line. date +%Y%m%d -s “20090502″ To set the time in Linux, enter date +%T -s “11:14:00″ There are simple ways to set the date and time, here is one. date -s “2 MAY 2009 11:14:00″ [...]