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How to create index in Entity Framework 6.2 with code first

... How do I add index participating column order to descending? By default .HasIndex("IX_Customers_EmailAddress", IndexOptions.Unique, ... creates ascending order for all participating columns in index. – GDroid Mar 15 '17 at 21:...
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In Python, when should I use a function instead of a method?

... as cars. You mention a duck, so let's go with that. class duck: def __init__(self):pass def eat(self, o): pass def crap(self) : pass def die(self) .... In the context of the "objects are real things" analogy, it is "correct" to add a class method for anything which the obje...
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How do I write output in same place on the console?

... #kinda like the one above but better :P from __future__ import print_function from time import sleep for i in range(101): str1="Downloading File FooFile.txt [{}%]".format(i) back="\b"*len(str1) print(str1, end="") sleep(0.1) print(back, end="") ...
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Which sort algorithm works best on mostly sorted data? [closed]

...tural mergesort" with "supernatural performance on many kinds of partially ordered arrays (less than lg(N!) comparisons needed, and as few as N-1)". Python's built-in sort() has used this algorithm for some time, apparently with good results. It's specifically designed to detect and take advantage...
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prevent property from being serialized in web API

...t you want: First way: Decorate your field with JsonProperty attribute in order to skip the serialization of that field if it is null. public class Foo { public int Id { get; set; } public string Name { get; set; } [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] publi...
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Why do I get AttributeError: 'NoneType' object has no attribute 'something'?

... Consider the code below. def return_something(someint): if someint > 5: return someint y = return_something(2) y.real() This is going to give you the error AttributeError: 'NoneType' object has no attribute 'real' So points are as below. ...
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What is the purpose of “return await” in C#?

...ss, in first case you should return foo.DoAnotherThingAsync().ContinueWith(_ => foo.Dispose()); – ghord Sep 23 '14 at 8:58 7 ...
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Android Notification Sound

... code: Uri alarmSound = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION); builder.setSound(alarmSound); share | improve this answer | follow ...
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JavaScript global event mechanism

... With the addition of msg, file_loc, line_no params this should do it for me. Thanks! – Bob Jun 4 '09 at 17:16 1 ...
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PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate

...on performance as Hibenate still makes 2 queries, we are just changing the order of queries. – Vikky Aug 30 '19 at 12:13 ...