n the course of my consulting, I have reviewed numerous applications from many companies?and often find areas where the software was just too complex. The reasons for this are varied, but seem to be centered around a few main areas: inappropriate use of design patterns, the ?not invented here? syndrome,
Here’s how to find out which session is waiting for a shared resource to be released: Column host format a6;Column username format a10;Column os_user format a8;Column program format a30;Column tsname format a12; select b.machine host, b.username username, b.server, b.osuser os_user, b.program program, a.tablespace_name ts_name, row_wait_file# file_nbr, row_wait_block# block_nbr, c.owner, c.segment_name,
Unlike C/C++ compilers that produce binary executables, Java produces bytecode. Running bytecode can be difficult for regular users, particularly when the application requires external libraries. There are several solutions to the problem; you can: Create an executable JAR. Create shell scripts. Create another executable that invokes the Java application. The
The code sample below shows how to use the .NET SOAPClient to consume a web service developed in .NET.
An easy way to create and send email in VB (or any other language) is to use the “mailto:” protocol that already works on client computers. The technique makes a request to the installed email client, and works with Outlook, Lotus Notes, and other registered email clients. You can’t use
A quick way to view detailed information about a just-thrown exception is to open the Watch window, and type $exception in the watch window.
You can use the code in this tip to make web requests to a remote HTTP server and read the response: try{ // The URL http://www.microsoft.com/en/us/default.aspx // is used here purely as an example. // Substitute your own URL as needed. Uri uri = new Uri(“http://www.microsoft.com/en/us/default.aspx”); System.Net.HttpWebRequest httpWebRequest = (System.Net.HttpWebRequest)