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How can I tell PyCharm what type a parameter is expected to be?

...g: def repress(self, peasant: Person) -> bool: peasant.knock_over() # Shows a warning. And there was much rejoicing. return peasant.badly_hurt() # Lets say, its not known from here that this method will always return a bool Sometimes this is useful for non-public methods, t...
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Django admin: how to sort by one of the custom list_display fields that has no database field

How could I sort Customers, depending on number_of_orders they have? 3 Answers 3 ...
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How to declare a global variable in php?

...nstead of a global: class MyTest { protected $a; public function __construct($a) { $this->a = $a; } public function head() { echo $this->a; } public function footer() { echo $this->a; } } $a = 'localhost'; $obj = new MyTes...
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Objective-C categories in static library

...search for "Other Linker Flags", click the + button, and add '-ObjC'. '-all_load' and '-force_load' are no longer needed. Details: I found some answers on various forums, blogs and apple docs. Now I try make short summary of my searches and experiments. Problem was caused by (citation from apple Tec...
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How to remove last n characters from every element in the R vector

... an example of what I would do. I hope it's what you're looking for. char_array = c("foo_bar","bar_foo","apple","beer") a = data.frame("data"=char_array,"data2"=1:4) a$data = substr(a$data,1,nchar(a$data)-3) a should now contain: data data2 1 foo_ 1 2 bar_ 2 3 ap 3 4 b 4 ...
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What reference do I need to use Microsoft.Office.Interop.Excel in .NET?

...ws > assembly > GAC > Microsoft.Office.Interop.Excel > 12.0.0.0_etc > Microsoft.Office.Interop.Excel.dll share | improve this answer | follow | ...
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Append values to query string

...Fixture] public class UriExtensionsTests { [Test] public void Add_to_query_string_dictionary_when_url_contains_no_query_string_and_values_is_empty_should_return_url_without_changing_it() { Uri url = new Uri("http://www.domain.com/test"); var values = new Dictionary<string, s...
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Why does javascript replace only first instance when using replace? [duplicate]

...al meaning in regexen — the JavaScript idiom for that is: var id= 'c_'+date.split('/').join(''); share | improve this answer | follow | ...
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Naming cookies - best practices [closed]

... appname_meaningfulname share | improve this answer | follow | ...
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Declare a block method parameter without using a typedef

...ssue benefits from multiple): @implementation CallbackAsyncClass { void (^_loginCallback) (NSDictionary *response); } // … - (void)loginWithCallback:(void (^) (NSDictionary *response))handler { // Do something async / call URL _loginCallback = Block_copy(handler); // response will c...