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Created by Dr. Xi on May 25, 2012 15:47:34 Last update: May 25, 2012 15:49:33
Steps to configure SSL for Apache HTTPD server on Windows: In Apache2.2/conf/httpd.conf , load mod_ssl and include httpd-ssl.conf :
LoadModule ssl_module modules/mod_ssl.so ...In Apache2.2/conf/extra/httpd-ssl.conf , make sure the paths for the cert files point to the cert and key you want to use:
# Server Certificate: # Point SSLCertificat...Start up Apache. If it fails, use the command line to see what the error is. There won't be any log in error.log if there are errors in the conf files:
C:\Program Files (x86)\Apache Software Foundation\...I corrected the previous error by using the alternative line for SSLSessionCache :
# Inter-Process Session Cache: # Configure ...
Created by Dr. Xi on February 06, 2012 12:14:11 Last update: February 07, 2012 15:39:35
Oracle sqlplus command line tools does not support command line editing out-of-the-box. But on Linux there's a handy utility that enables command line editing with any command line tool: rlwrap - readline wrapper. Install rlwrap:
$ sudo apt-get install rlwrapCreate a keywords file .sql.dict (optional, but convenient):
false null true access add as asc begin by chec...It would be nice to add the tables names also. Create an alias for sqlplus (put it in .bashrc ):
alias sqlplus='rlwrap -f $HOME/.sql.dict sqlplus'
Created by alfa on July 15, 2011 13:25:45 Last update: July 15, 2011 13:25:45
Read the whole contents of a file into a String. It's better to read the whole file as bytes and convert to String than to read the file line by line and concatenate the lines.
String getFileContents(String fileName) throws...Using java.nio :
import java.io.FileInputStream; import java...
Created by Dr. Xi on June 21, 2011 15:54:00 Last update: June 22, 2011 11:33:09
Demo code for CSV parsing with SuperCSV parser . Java code:
import java.io.*; import java.util.List; imp...Test with a simple CSV file:
psmith01,CLASS2B,Peter Smith 1,YEAR2,1,N,ADVANCED,...The parser worked correctly:
Line 1 has 11 values: |psmith01| |CLASS2B|...Test with a more complicated CSV file:
"psmith01 abc", "CLASS2B " , " Peter...The parser messed up on all three lines:
Line 1 has 5 values: |psmith01 abc| |CLASS...Using two lines input:
"psmith01 abc", "CLASS2B " , " Peter...It generates an exception:
Line 1 has 5 values: |psmith01 abc| |CLASS...Add a new line in item two:
"One", "Two ", "Three"Result:
Line 2 has 3 values: |One| |Two | |...
Created by James on October 15, 2010 20:10:26 Last update: October 15, 2010 20:10:26
<!DOCTYPE html> <html> <head> <title>C...Reference: Cufonize Your Pages – How to add Cufon to your Web Design
Created by freyo on August 26, 2010 20:55:44 Last update: August 26, 2010 20:56:39
Android adb failed to start after I installed the SDK. Running adb from the command line reveals the error:
/lib/ld-linux.so.2: bad ELF interpreter: No such f...I'm running 64-bit Fedora but Android adb is looking for 32-bit Linux loader. This is resolved by installing the 32-bit libraries.
# yum whatprovides ld-linux.so.2 Loaded plugins...I did the same for libncurses.so.5 and libstdc++.so.6 to resolve all dependencies.
Created by nogeek on August 08, 2010 23:38:04 Last update: August 08, 2010 23:38:04
Especially, the ethernet0.virtualDev = "e1000" line should be absent in order for networking to work.
#!/usr/bin/vmplayer # Filename: Win2000.vmx...
Created by voodoo on July 11, 2009 15:14:55 Last update: July 29, 2010 22:45:48
cURL is a command line tool for transferring files with URL syntax. The main purpose and use for cURL is to automate unattended file transfers or sequences of operations. It's really easy to see HTTP headers with curl:
C:\>curl --head http://www.google.com HTTP/1.0 ...or, headers and page together (dump headers to stdout):
$ curl --dump-header - http://www.google.com HTTP/...Download openssl from openssl.org:
C:\>curl --help Usage: curl [options...] <url> ...
Created by Fang on April 01, 2010 22:24:58 Last update: April 02, 2010 02:49:38
In this note I'll show you how to create and package a JSP custom tag. The purpose of this tag is to display a random splash image for a home page, among a set of images. We should be able to add or delete candidate splash images from the WAR archive without the need to change the JSP. This is the intended use of the tag:
<%@ taglib uri="http://custom.tag.com/demo" prefix...In the above example you provide a set of images named splash*.png (e.g., splash1.png, spalsh2.png, ...), and the tag will pick a random one to display when the JSP is rendered. Let's get started. I'll use Maven for this purpose. Create the standard Maven directory structure
./pom.xml ./src ./src/main ./src/main/jav...pom.xml
package tagdemo; import java.util.ArrayList......
Created by James on October 11, 2009 21:15:53 Last update: October 11, 2009 21:19:39
<html> <head> <base href="http://www.html.i...Example 2: modx Simple Rounded Corner Box
<html> <head> <title>Round Corner</title> ...Example 3: CSS3 (does not work in IE)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" ...
Created by Dr. Xi on February 06, 2008 21:43:33 Last update: February 06, 2008 23:40:01
These commands are useful for monitoring Linux swap space:
cat /proc/meminfo swapon -s cat ...To make a swap file of 512M and use it automatically at boot up 1. make a file of size 512M (swap files can't be sparse)
dd if=/dev/zero of=/data/swapfile.1 bs=1024 count=...2. Add this line to /etc/fstab:
/data/swapfile.1 none swap sw 0 03. turn it on now
Created by Dr. Xi on December 12, 2007 20:30:01 Last update: December 12, 2007 20:32:23
This is a script to tail a log file through the web browser. It uses AJAX, apache web server, mod_python, UNIX utilities tail (requires the --lines switch) and wc . The log file may reside on the web server or any other host accessible from the web server through SSH. Although it's written in python, it should be easy to port to other languages such as Perl. Apache httpd.conf :
LoadModule python_module modules/mod_python.so ...Python script:
import time, os from os.path import basename ...