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E731 do not assign a lambda expression, use a def

... | edited Mar 4 at 17:50 answered Jul 29 '14 at 7:31 Gar...
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Create Django model or update if exists

... bakkalbakkal 47.8k1010 gold badges102102 silver badges9494 bronze badges add a c...
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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?

... 280 For the second part of your question, see the array page of the manual, which states (quoting) :...
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EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?

...(var failure in ex.EntityValidationErrors) { sb.AppendFormat("{0} failed validation\n", failure.Entry.Entity.GetType()); foreach (var error in failure.ValidationErrors) { sb.AppendFormat("- {0} : {1}", error.PropertyName, error.ErrorMessage); s...
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Asynchronous Process inside a javascript for loop [duplicate]

... maintain the index uniquely for you (second example shown below). As of 2016, if you have a fully up-to-spec ES6 implementation of Javascript, you can also use let to define the for loop variable and it will be uniquely defined for each iteration of the for loop (third implementation below). But,...
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Unexpected value from nativeGetEnabledTags: 0

I installed the latest version of the SDK (r21) and ADT 21.0.0. I tried simple code, and it works well, but now I get a warning in LogCat that did not appear in the previous versions: ...
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vs in Generics

...iance in generic interfaces was added to C# and VB.NET (in .NET 4 with VS 2010), this was a compile time error. After .NET 4, IEnumerable<T> was marked covariant, and became IEnumerable<out T>. Since IEnumerable<out T> only uses the elements within it, and never adds/changes them...
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How to do a PUT request with curl?

... 590 Using the -X flag with whatever HTTP verb you want: curl -X PUT -d arg=val -d arg2=val2 localho...
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How to determine the Boost version on a system?

... answered Sep 14 '10 at 12:11 AraKAraK 84.6k3232 gold badges170170 silver badges228228 bronze badges ...
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Why does the JVM still not support tail-call optimization?

... prototype implementation and MLVM has listed the feature as "proto 80%" for some time now. 4 Answers ...