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Using Linq to group a list of objects into a new grouped list of list of objects
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var groupedCustomerList = userList
.GroupBy(u => u.GroupID)
.Select(grp => grp.ToList())
.ToList();
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How can I read inputs as numbers?
..._input function.
Python 2.x
There were two functions to get user input, called input and raw_input. The difference between them is, raw_input doesn't evaluate the data and returns as it is, in string form. But, input will evaluate whatever you entered and the result of evaluation will be returned...
Making Python loggers output all messages to stdout in addition to log file
Is there a way to make Python logging using the logging module automatically output things to stdout in addition to the log file where they are supposed to go? For example, I'd like all calls to logger.warning , logger.critical , logger.error to go to their intended places but in addition al...
How do I run IDEA IntelliJ on Mac OS X with JDK 7?
...use Mac OS X 10.8.2, and use JDK 7. Now I downloaded the latest version of IDEA IntelliJ, 11. But it doesn't seem to start without JDK 6. Is there any workaround?
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How to elegantly check if a number is within a range?
...at's a terrible idea and performance compared to checking a value is drastically different. I think we should adopt a moto, just because LINQ Extensions are cool, doesn't mean they should be used for everything.
– Matthew Abbott
Jul 6 '10 at 17:45
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What are good alternatives to SQL (the language)? [closed]
...QL's syntax is difficult to work with, both from the standpoint of automatically generating it, and from the standpoint of parsing it, and it's not the style of language we would write today if we were designing SQL for the demands we place on it today. I don't think we'd find so many varied keyword...
Best Practices for securing a REST API / web service [closed]
...d best practices for dealing with security (Authentication, Authorization, Identity Management) ?
18 Answers
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How to know if an object has an attribute in Python
...on is that, if the property is likely to be there most of the time, simply call it and either let the exception propagate, or trap it with a try/except block. This will likely be faster than hasattr. If the property is likely to not be there most of the time, or you're not sure, using hasattr will p...
What's the deal with a leading underscore in PHP class methods?
... Johan - refactoring is a nuisance? My editor has a feature called "Find and Replace". Works great!
– DaveWalley
Nov 27 '17 at 1:05
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Is using Random and OrderBy a good shuffle algorithm?
...easy to implement an O(n) shuffle. The code in the question "works" by basically giving a random (hopefully unique!) number to each element, then ordering the elements according to that number.
I prefer Durstenfield's variant of the Fisher-Yates shuffle which swaps elements.
Implementing a simple ...