You often need to benchmark a piece of code, which you usually do as follows: Dim start As Date = Now’ insert here the code to benchmarkDim elapsed As TimeSpan
At times you may need to process elements of an array, a collection, or a dictionary object in random order, for example when sampling a population or (more often) when
The .NET framework lets you create two types of “empty” arrays: unitialized arrays and arrays that are initialized with zero elements. Uninitialized arrays are actually array variables that are set
The System.Diagnostics.FileVersionInfo class lets you easily read file version information without having to call Windows API functions (as you have to do under previous VB versions). This class has a
You can use XML to transfer both data and commands. In this column I’ll show how you can update a database by means of XML commands sent over the HTTP
Even though you may want to use some COM+ services, it doesn’t mean that you have to have a unique context for each and every instance. The root instance, that
In another item in this Tip Bank (see link below), we mention that you can co-locate secondary instances within the context of the caller. If you don’t need any services
If you use Shared members in .NET or modules in VB6, you reduce COM+ context overhead without any risk whatsoever that you will get extra context overhead for that code.
Instances of configured components, that is, components configured in COM+, get runtime services owing to context objects. When you instantiate a COM+ component, your instance will live in a context