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Created by Dr. Xi on April 05, 2011 08:04:37 Last update: April 05, 2011 08:11:37
There's no difference between a Java HTTP client and a Java HTTPS client. Ignore JavaWorld Java Tip 96 , it's way too old. The following code gets an HTTP page as well as an HTTPS page.
import java.io.*; import java.net.*; pub...There's one catch . If you are using the code on a test server with a self-signed certificate, it fails. In that case, I would suggest that you download the certificate from the server and import it to your keystore as a trusted key. You may also need to add a subject alternative name to the certificate if the host name does not match the certificate. You may also choose to use a custom TrustManager and HostnameVerifier to ignore the certificate verification errors.
Created by Dr. Xi on October 16, 2008 20:45:40 Last update: March 28, 2011 20:23:22
Java's built-in classes are way too complex/flexible for a simple protocol like HTTP. This is a wrapper to simplify HTTP GET and POST.
import java.io.*; import java.net.*; imp...A simple test:
import java.io.*; import java.util.*; ...
Created by woolf on October 22, 2010 02:53:32 Last update: October 22, 2010 03:18:12
The easiest way to shutdown Windows XP with a shortcut is to create a shortcut icon on the desktop (or the Start menu, or the Quick Launch menu) and assign a shortcut key combination. Useful command line commands: Shutdown : shutdown -s -t 0 Restart : shutdown -r -t 0 Log off : shutdown -l -t 0 Hibernate : rundll32.exe PowrProf.dll, SetSuspendState Hibernate Command line options for shutdown :
C:\> shutdown /? Usage: shutdown [-i | -l | -s ...
Created by Dr. Xi on November 19, 2008 00:22:27 Last update: January 07, 2010 23:00:36
There is a open source project named [ini4j] for processing Windows .ini configuration files. However, I found it an overkill for my purposes. So here is my simple implementation of a .ini parser. It mimics the standard java.util.Properties class with enhancements to get and set properties by section name. There are only a few simple rules: Leading and trailing spaces are trimmed from section names, property names and property values. Section names are enclosed between [ and ] . Properties following a section header belong to that section Properties defined before the appearance of any section headers are considered global properties and should be set and get with no section names. You can use either equal sign ( = ) or colon ( : )...
Created by Dr. Xi on December 04, 2009 04:33:05 Last update: December 04, 2009 04:33:05
Variable Meaning $_ The default or implicit variable. @_ Within a subroutine the array @_ contains the parameters passed to that subroutine. $a, $b Special package variables when using sort() $<digit> Contains the subpattern from the corresponding set of capturing parentheses from the last pattern match, not counting patterns matched in nested blocks that have been exited already. $. Current line number for the last filehandle accessed. $/ The input record separator, newline by default. $| If set to nonzero, forces a flush right away and after every write or print on the currently selected output channel. Default is 0 (regardless of whether the channel is really buffered by the system or not; $| tells you only whether you've asked Perl explicitly to flush after...