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Explain Morris inorder tree traversal without using stacks or recursion
...please help me understand the following Morris inorder tree traversal algorithm without using stacks or recursion ? I was trying to understand how it works, but its just escaping me.
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ASP.NET MVC: Is Controller created for every request?
...vator.Create is called (for every request) to create a Controller (which inits a new Controller either through the DependencyResolver or through the Activator if no Resolver has been set up):
public IController Create(RequestContext requestContext, Type controllerType)
{
try
{
ret...
Performing Inserts and Updates with Dapper
I am interested in using Dapper - but from what I can tell it only supports Query and Execute. I do not see that Dapper includes a way of Inserting and Updating objects.
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printf() formatting for hex
...ous query than an important question, but why when printing hex as an 8 digit number with leading zeros, does this %#08X Not display the same result as 0x%08X ?
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How can I reset a react component including all transitively reachable state?
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To ensure that the implicit browser state you mention and state of children is reset, you can add a key attribute to the root-level component returned by render; when it changes, that component will be thrown away and created from scratch.
render: f...
user authentication libraries for node.js?
...tion for a user (using a custom backend auth DB), and associate that user with a session.
15 Answers
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Using ping in c#
When I Ping a remote system with windows it says there is no reply, but when I ping with c# it says success. Windows is correct, the device is not connected. Why is my code able to successfully ping when Windows is not?
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
It seems to me like the files run the same without that line.
21 Answers
21
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Understand the “Decorator Pattern” with a real world example
...tor pattern achieves a single objective of dynamically adding
responsibilities to any object.
Consider a case of a pizza shop. In the pizza shop they will sell few pizza varieties and they will also provide toppings in the menu. Now imagine a situation wherein if the pizza shop has to provide pr...
py2exe - generate single executable file
I thought I heard that py2exe was able to do this, but I never figured it out. Has anyone successfully done this? Can I see your setup.py file, and what command line options you used?
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