Andrew Lock shares his ideas for designing a customer referral system, tips on webinars as a marketing tool plus a simple marketing strategy from Hertz that SMBs can employ.
Andrew Lock shares his ideas for designing a customer referral system, tips on webinars as a marketing tool plus a simple marketing strategy from Hertz that SMBs can employ.
<b>Linux Pro Magazine:</b> "Thus Canonical is implementing the cloud in its context. The DRM-free songs in MP3 format with a bitrate of at least 256 kbits/second are not loaded on the local machine, but in the Ubuntu One cloud."
<b>Groklaw:</b> "When IBM said that TurboHercules was a member of organizations Microsoft is a member of, it was particularly talking about OpenMainframe.org. It's an organization that seems dedicated to attacking IBM's mainframe business. It describes its purpose like this:"
Searching for text within a database can be like searching for the proverbial needle in a haystack. Users depend on the database administrator to solve complex text search requirements. Do you respond with clever methods such as LIKE, regular expressions and function-based indexes? Is there something more available to you and your users?
<b>HowtoForge: </b>"This article describes how you can monitor your Postfix mailserver with the tools Mailgraph and pflogsumm. Mailgraph creates daily, weekly, monthly, and yearly graphs of sent, received, bounced, and rejected emails and also of spam and viruses, if SpamAssassin and ClamAV are integrated into Postfix."
Tapas Pal shows you how to encrypt your SQL Server database for a pre-existing, business critical web application using Transparent Data Encryption (TDE), a new full database encryption technique introduced in SQL Server 2008.
<b>Systhread:</b> "System Administrators who remember the day when they did not have a graphics display rarely think about wanting to time travel for the pure joy of using a terminal. It is possible, however, to virtually do so by using either all or mostly text only utilities and perhaps a retro looking X windows desktop. In this text a look at a small experiment to see how well that went in one particular instance."
<b>Linux Planet:</b> "In a keynote address, Jim Whitehurst explains why open source has become more valuable as an enabler of innovation in the enterprise than a means to cheaper software."
<b>SQL Server Magazine:</b> "Massachusetts recently passed a sweeping new data security law that will have a profound impact on the way the United States, and perhaps the rest of the world, manages and develops data-centric applications. Oddly, most people in the business don't seem to know about it."
<b>Tech Drive-in: </b>"A month ago we celebrated the release of Ubuntu 10.04 "Lucid Lynx" with an incredible collection of Ubuntu Lucid Wallpapers. Now it's time for some more Ubuntu wallpapers coming your way."
I have the PHP function that determines whether one IP goes to a specific IP range, but I don't know how to find out the IP's networkand mask. Can anyone help with this?
<?
// Example of calling and checking IP-address 192.168.0.4
// belonging to a network 192.168.0.0 with mask 255.255.255.248
if(ip_vs_net("192.168.0.4","192.168.0.0","255.255.255.248")){
print "Address belongs to a netwok<BR>";
} else {
print "Address is out of subnetwork's range<BR>";
}
function ip_vs_net($ip,$network,$mask){
if(((ip2long($ip))&(ip2long($mask)))==ip2long($network)){
return 1;
} else {
return 0;
}
}
?>
The real test of how heavily an Oracle database will tax its underlying I/O subsystem and related infrastructure is to actually tax that infrastructure using representative database application workloads. Jim Czuprynski tells you how to choose appropriate database schema(s) for realistic testing, how to create example TPC-E and TPC-H database schemas and how to perform initial loading of these schemas using Quest Benchmark Factory.
<b>MakeTechEasier:</b> "Inkscape is a powerful free vector drawing program for Windows, Linux, and Mac, and this guide will get you started with using it to create your own smooth, colorful, scalable graphics."
<b>KernelTrap:</b> "We had the choice of either reverting all the anon-vma scalability improvements, or finding out exactly what caused the regression and fixing it. And we got pretty close to the point where I was going to just revert it all"
CrazyEgg handles Web analytics colorfully, plus a site for downloading free books and a way to time presentations -- and anything else -- down to the second.