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Google Maps with input events

C. Peter Chen — Thu, 01 Jan 1970 00:00:00

The following sample illustrates interaction with Google Maps using mouse clicks and text field updates.

Python ucs2 vs ucs4 installation

C. Peter Chen — Thu, 01 Jan 1970 00:00:00

On Linux, Python installations default to the unicode representation of the OS environment (ucs2 vs ucs4). I sometimes find myself needing to reinstall python, forcing a different unicode representation, especially when I am given pre-compiled python binaries. Here are examples of using the --enable-unicode setting when building python. Also, there are some examples of how to determine which ucs setting your version of python is using.

Python non-root install options for creating shared library

C. Peter Chen — Thu, 01 Jan 1970 00:00:00

Example of 1. Installing python somewhere other than the default dir, for users without root access; 2. How to compile the python shared library (e.g., libpython2.6.so)

Batch file to create regular backups with cleanup

C. Peter Chen — Thu, 01 Jan 1970 00:00:00

This article provides a sample Windows batch file to back up a file directory to a specified location, with a feature to clean up older backup sets.

Sorting arrays in Javascript

C. Peter Chen — Thu, 01 Jan 1970 00:00:00

This note describes how to sort a simple array and an array of objects in Javascript.

Prevent Excel from recognizing a string as a number when opening CSV files

C. Peter Chen — Thu, 01 Jan 1970 00:00:00

When using Microsoft Excel to open a CSV file, at times a string may appear like a number, causing Excel to open it in a wrong format. This note offers one solution for this problem.

Creating a Queue in Oracle

C. Peter Chen — Thu, 01 Jan 1970 00:00:00

Oracle Advanced Queuing provides a medium for various applications to communicate with each other, providing the infrastructure for SOA, for example. This note provides an example on how to set up a queue.

Calculating the difference between two dates or times in DB2

C. Peter Chen — Thu, 01 Jan 1970 00:00:00

This note demonstrates how to calculate the difference between two dates or two times, ie. timestamps, in a DB2 SQL inline function.

Using dummy table to select pseudocolumns

C. Peter Chen — Thu, 01 Jan 1970 00:00:00

This note illustrates how to use a dummy table to select pseudocolumns in Oracle and DB2 databases.

Java method to convert a string to proper or initial case

C. Peter Chen — Thu, 01 Jan 1970 00:00:00

This note provides a simple Java method for converting a string to have proper case, or in other words, each word will have its initial letter capitalized.