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Tip Bank > Security

Security - Page 2

Authentication
Encryption
Java
Password Management
SQL Server
Systems Administration
Visual Basic
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Encrypt and Decrypt Configuration File Sections from a Command Line
by Deepak Choudhari
When you're delivering an application or testing it, it's very convenient to be able to encrypt and decrypt sections of a configuration file from a command line.
Understanding Java's Integer Pool Can Avoid Problems
by Shreyas Pai
When apparently-equal integer values fail an equality test, remember the integer pool.
Returning Zero-Length Arrays in Java
by Nagaraj Ramesh
Define a static final zero-length array and return that rather than null from methods that return array types.
Find All User-Defined Functions in a SQL Server Database
by Jaya Nehru
This query returns all the user-defined functions in the specified database.
Simple Script to Run Java Applications on Linux and Windows
by Bea Petrovicova
This simple script lets you run a Java application on both Linux and Windows.
Get the Last Filled Row or Column in Any Excel Spreadsheet
by Pavana Shireesha
Here's how to find the last Excel spreadsheet row or column containing data.
How to Detect JFrame Resizing
by Sterling Jordan
To know when a user is resizing a JFrame, catch the resize action using this tip's code.
Use a Validator to Validate a DOMSource
by Leonard Anghel
This code snippet creates a Validator that you can use to validate an XML document represented as a DOMSource.
How to Iterate Through All the Properties of a Class
by Deepak Choudhari
Using Reflection, you can easily iterate through all the properties of a .NET class.
Send a Cookie to the Server Using the setRequestProperty Method
by Leonard Anghel
You don't need a browser to send a cookie to a server. This tip shows you how to do it from Java code.
Calling JTidy from Java to Convert HTML to XHTML
by Leonard Anghel
This tip shows how to invoke the JTidy open-source project from Java code to convert an HTML file to XHTML.
How to Declare a java.util.Date in a EJB 3.0 Entity
by Leonard Anghel
To map a date value to a Java date in EJB 3.0, use this code.
XML Signature Core Validation Failure with Java and Apache Axis
by Chandan khanna
Added namespaces cause XML Signature core validation failures.
Writing a Parameterized SQL Query in EJB 3.0
by Leonard Anghel
Follow this DELETE statement example to write parameterized SQL queries in EJB 3.0.
Avoid Object Instantiation Within Loops
by Kulkarni Vasudeva
Creating new objects in loops can seriously damage performance.
Measuring A Program's Speed
by Zachary Edwards
The simplest way to measure the performance of a block of code (or an entire program) is to obtain the elapsed time. This tip shows you how.
Unzipping an Archive from a Servlet
by Leonard Anghel
This tip shows you how to unzip an archive from a Java servlet.
Write a Complex Query in Hibernate
by Leonard Anghel
This example shows how to use the findByExample method in Hibernate in conjunction with the SQL AND operator to find and log in a user given an email address and password.
Table Variables Are More Efficient than Temporary Tables In Some Cases
by Srinath MS
Using @TABLE rather than temporary tables improves performance for small tables that don't require indexes.
Inject an EJB 3.0 into the init() Method of a Servlet
by Leonard Anghel
This tip shows you how to inject an EJB 3.0 into the init() method of a servlet.
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