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How can I use if/else in a dictionary comprehension?

... 31 Worth mentioning that you don't need to have an if-else condition for both the key and the value. For example, {(a if condition else b): v...
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How can I filter a Django query with a list of values?

... 3 Answers 3 Active ...
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How can I loop through a List and grab each item?

... answered Sep 18 '13 at 3:08 Simon WhiteheadSimon Whitehead 54.9k66 gold badges8383 silver badges119119 bronze badges ...
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Django REST framework: non-model serializer

...ork will take care of the serialization for you. You can skip steps 2 and 3 in this case, and just use one class for calculations and one for presentation to the API consumer. Here are a few snippets may help you out: Please note that I have not tested this. It's only meant as an example, but it ...
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What is the _snowman param in Ruby on Rails 3 forms for?

In Ruby on Rails 3 (currently using Beta 4), I see that when using the form_tag or form_for helpers there is a hidden field named _snowman with the value of ☃ ( Unicode \x9731) showing up. ...
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How can I change Eclipse theme?

... edited Oct 14 '19 at 21:23 chrips 3,59244 gold badges2020 silver badges3636 bronze badges answered Nov ...
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List distinct values in a vector in R

... Do you mean unique: R> x = c(1,1,2,3,4,4,4) R> x [1] 1 1 2 3 4 4 4 R> unique(x) [1] 1 2 3 4 share | improve this answer | follo...
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Rails: redirect_to with :error, but flash[:error] empty

I'm trying to do a redirect while setting the flash[:error] value. (Rails 3.0.10) 3 Answers ...
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Where should Rails 3 custom validators be stored?

... answered Jul 7 '11 at 12:03 gbcgbc 7,63755 gold badges3232 silver badges3030 bronze badges ...
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WaitAll vs WhenAll

... 537 Task.WaitAll blocks the current thread until everything has completed. Task.WhenAll returns a ...