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Putting text in top left corner of matplotlib plot

... alternatively, you can specify text in axis coords (0,0 is lower-left and 1,1 is upper-right). The example below places text in the center of the axes:: text(0.5, 0.5,'matplotlib', horizontalalignment='center', verticalalignment='center', transform = ax.transAxes) To preve...
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Foreach loop, determine which is the last iteration of the loop

I have a foreach loop and need to execute some logic when the last item is chosen from the List , e.g.: 26 Answers ...
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What is the difference between i++ and ++i?

I've seen them both being used in numerous pieces of C# code, and I'd like to know when to use i++ or ++i ( i being a number variable like int , float , double , etc). Anyone who knows this? ...
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Executing periodic actions in Python [duplicate]

... One thing to watch out for here is start time "drift". I just ran a test and my times drifted by +0.05s in about 33 iterations. I was running 1 second polls, and this means a drift of 20% in less than a minute. You can reduce drift by calling the threading.Timer at the start of the function rather...
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How to check if variable's type matches Type stored in a variable

... omissions. The is operator does not check if the runtime type of the operand is exactly the given type; rather, it checks to see if the runtime type is compatible with the given type: class Animal {} class Tiger : Animal {} ... object x = new Tiger(); bool b1 = x is Tiger; // true bool b2 = x is ...
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How do I make a column unique and index it in a Ruby on Rails migration?

...1 for suggesting continuing to use the validates_uniqueness_of. The error handling is much cleaner using this method for the cost of a single indexed query I would suggest he does both – Steve Weet Sep 19 '09 at 22:08 ...
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Nullable vs. int? - Is there any difference?

Apparently Nullable<int> and int? are equivalent in value. Are there any reasons to choose one over the other? 5 ...
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Performance of Find() vs. FirstOrDefault() [duplicate]

... I was able to mimic your results so I decompiled your program and there is a difference between Find and FirstOrDefault. First off here is the decompiled program. I made your data object an anonmyous data item just for compilation List<\u003C\u003Ef__AnonymousType0<string&gt...
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`static` keyword inside function?

I was looking at the source for Drupal 7, and I found some things I hadn't seen before. I did some initial looking in the php manual, but it didn't explain these examples. ...
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Why implement interface explicitly?

... If you implement two interfaces, both with the same method and different implementations, then you have to implement explicitly. public interface IDoItFast { void Go(); } public interface IDoItSlow { void Go(); } public class JustDoIt : IDoItFast, IDoItSlow { void IDoItF...