Practical mod perl-CHAPTER 21:Error Handling and Debugging

... Chapter 21: Error Handling and Debugging `PerlFixupHandler' push_handlers( ) stack is empty PerlFixupHandler handlers returned -1 running 1 server configured stacked handlers for /perl/test.pl... ... `PerlInitHandler' push_handlers( ) stack is empty PerlInitHandler handlers returned -1 `PerlHeaderParserHandler' push_handlers( ) stack is empty `PerlAccessHandler' push...

Ngày tải lên: 24/10/2013, 08:15

... heroin and codeine. The thick and thin arrows show the main and minor metabolic pathways, respectively. ⊡ Figure 3.1 197 • Standard solutions of morphine for a calibration curve (2, 6 and 20 ... HPLC analysis Reagents and their preparation • Standard solutions of morphine for a calibration curve (2, 6 and 20 µg/mL): see “Reagents and their preparation”, above of GC and GC/MS a...

Ngày tải lên: 24/10/2013, 19:15

... 21.10 Figure 21.6 Proxy ARP 21.11 Figure 21.7 BOOTP client and server on the same and different networks 21.12 DHCP provides static and dynamic address allocation that can be manual or automatic. Note 21.13 21-2 ... echo-request message. We randomly chose the identifier to be 1 and the sequence number to be 9. The message is divided into 16-bit (2-byte) words. The words are added...

Ngày tải lên: 06/03/2014, 12:20

... advantage if an IDE provides support for debugging the kernel and kernel modules. Building and Debugging 279 In this section we discuss both open source and commercial IDEs that can be used as ... IDE then skip the build section and go directly to the debugging section. But in case you plan to tweak the build procedures stay on and read ahead. Building and Debugging 263 8....

Ngày tải lên: 06/10/2013, 23:20

... Databases and mod_ perl Apache::DBI Connections The DBI module can make use of the Apache::DBI module. When the DBI module loads, it tests whether the environment variable $ENV {MOD_ PERL} is set and ... handle is returned immediately. If there is no appropriate database handle, or if the ping( ) method fails, Apache::DBI establishes a new connection, stores the handle, and then return...

Ngày tải lên: 24/10/2013, 08:15

... available for mod_ perl users and developers to share ideas, solve problems, and discuss things related to mod_ perl and the Apache::* modules. To subscribe to this list, send an empty email to modperl- subscribe@perl.apache.org. ... when you workwith mod_ perl and related technologies, such as Apache, Perl, CGI, CVS, Squid, DBI, SQL, Security, etc. mod_ perl • mod_ perl home pag...

Ngày tải lên: 28/10/2013, 15:15

... occur and how to handle them using the Try, Catch, and Finally statements. Adding and deleting records is fine, but what happens if an error occurs? You tried to delete an existing company, and ... entering data and updating the server. If you don't have proper error handling, your system will, in the best situation, give an ugly error message, and in the worst, blow up...

Ngày tải lên: 28/10/2013, 19:15

... Lab 3.1.1 Safe Handling and Use of a Multimeter Objective • Learn how to use and handle a multimeter correctly. Background A multimeter is ... detect voltage levels, resistance levels, and open or closed circuits. It can check both alternating current (AC) and direct current (DC) voltage. Open and closed circuits are indicated by resistance ... circuits are indicated...

Ngày tải lên: 21/12/2013, 19:15

... performs the test and delete the rest. 10. What model is unit testing based on? A. The waterfall model B. The common object model C. The ISO 9001 QA model D. The evolution model Self Test 29 CertPrs8 ... will also look at what tracing is and how you can make use of it, as well as how you implement your remote components and retrieve that information. Debugging and especially how you...

Ngày tải lên: 21/12/2013, 19:15