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How should I print types like off_t and size_t?
I'm trying to print types like off_t and size_t . What is the correct placeholder for printf() that is portable ?
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How do you discover model attributes in Rails?
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In ActiveRecord 5 (and probably earlier) you can call Model.attribute_names.
– aceofbassgreg
Sep 22 '16 at 17:17
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How to create new tmux session if none exists
...session (start the server, read the config file, issue the new-session command) and attach to that.
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Func delegate with no return type
... the Action delegates return void.
Func<TResult> takes no arguments and returns TResult:
public delegate TResult Func<TResult>()
Action<T> takes one argument and does not return a value:
public delegate void Action<T>(T obj)
Action is the simplest, 'bare' delegate:
pu...
How do you get the index of the current iteration of a foreach loop?
... collection, which will return an Enumerator.
This Enumerator has a method and a property:
MoveNext()
Current
Current returns the object that Enumerator is currently on, MoveNext updates Current to the next object.
The concept of an index is foreign to the concept of enumeration, and cannot be don...
What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
In Java, we have Collections.emptyList() and Collections.EMPTY_LIST . Both have the same property:
4 Answers
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Django filter versus get for single object?
...lly implemented in Django, so there should be no "performance" difference (and the fact that you're thinking about it indicates you're violating one of the cardinal rules of programming, namely trying to optimize code before it's even been written and profiled -- until you have the code and can run ...
Which parallel sorting algorithm has the best average case performance?
...pattern
Many-core GPU based parallel sorting
Hybrid CPU/GPU parallel sort
Randomized Parallel Sorting Algorithm with an Experimental Study
Highly scalable parallel sorting
Sorting N-Elements Using Natural Order: A New Adaptive Sorting Approach
Update for 2013:
Here is the bleeding edge circa Januar...
How to cancel/abort jQuery AJAX request?
...equest if the previous request is not completed I've to abort that request and make a new request.
8 Answers
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How do I UPDATE from a SELECT in SQL Server?
...ue) then change the ON statement to something like ON Table.id = @IdToEdit AND other_table.id = @NewValue
– Trisped
Oct 24 '12 at 18:41
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