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Join a list of items with different types as string in Python
...ou want a list of strings. You could instead keep it as a list of integers and only convert the integers to strings when you need to display them. For example, if you have a list of integers then you can convert them one by one in a for-loop and join them with ,:
print(','.join(str(x) for x in list...
Calling C/C++ from Python?
...ebsite:
The Boost Python Library is a framework for interfacing Python and
C++. It allows you to quickly and seamlessly expose C++ classes
functions and objects to Python, and vice-versa, using no special
tools -- just your C++ compiler. It is designed to wrap C++ interfaces
non-intrusiv...
EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
... putting a wrapper function in the Configuration class in the Seed method, and replaced calls to SaveChanges with calls to my function instead. This function would simply enumerate the errors within the EntityValidationErrors collection, and rethrow an exception where the Exception message lists th...
How can I strip HTML tags from a string in ASP.NET?
...malize the string afterwards, replacing:
[\s\r\n]+
with a single space, and trimming the result. Optionally replace any HTML character entities back to the actual characters.
Note:
There is a limitation: HTML and XML allow > in attribute values. This solution will return broken markup when...
find -exec with multiple commands
I am trying to use find -exec with multiple commands without any success. Does anybody know if commands such as the following are possible?
...
When should I use the HashSet type?
I am exploring the HashSet<T> type, but I don't understand where it stands in collections.
11 Answers
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Can you add new statements to Python's syntax?
...ent to Python, quoted here:
This article is an attempt to better understand how the front-end of Python works. Just reading documentation and source code may be a bit boring, so I'm taking a hands-on approach here: I'm going to add an until statement to Python.
All the coding for this article wa...
How can I reverse a NSArray in Objective-C?
... take advantage of the built-in reverseObjectEnumerator method on NSArray, and the allObjects method of NSEnumerator:
NSArray* reversedArray = [[startArray reverseObjectEnumerator] allObjects];
allObjects is documented as returning an array with the objects that have not yet been traversed with n...
Best algorithm for detecting cycles in a directed graph [closed]
...grey (current node is visited but all reachable nodes are not yet visited) and black (all reachable nodes are visited along with the current one) color coding, if a grey node finds another grey node then we've a cycle. [Pretty much what we've in Cormen's algorithm book]. Wondering if 'Tarjan's algor...
Database Diagram Support Objects cannot be Installed … no valid owner
...for database ownership; then you don't have to worry about accounts coming and going, databases or instances moving to different servers, and your next PC name change. I have several systems where we use:
ALTER AUTHORIZATION ON DATABASE::Ariha TO [sa];
Or if you want to change the owner to that l...