How to check if a variable exists in Python

To check if a variable exists in Python, you can use the snippet below.

Sample Python

if 'myVariable' in locals(): # myVariable exists locally.
if 'myVariable' in globals(): # myVariable exists globally.

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How to use DebuggerDisplayAttribute in C# and VB.NET

If you want to change the information, the debugger variable window shows for your class, you can use the DebuggerDisplayAttribute.
Simply put the Attribut above your class declaration. The Value between {} are the name of the property or Field you want to show.

Sample C#

[DebuggerDisplay("Name = {Name}, Value = {Value}")]

Sample VB.NET

<DebuggerDisplay("Name = {Name}, Value = {Value}")>



for more informations see the DebuggerDisplayAttribute Class MSDN Entry

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