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Implicit “Submit” after hitting Done on the keyboard at the last EditText

...s: In your layout put/edit this: <EditText android:id="@+id/search_edit" android:layout_width="match_parent" android:layout_height="wrap_content" android:inputType="text" android:singleLine="true" android:imeOptions="actionDone" /> In your activity put this (e. g. i...
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Understanding the map function

...tesian product with a list comprehension though: [(a, b) for a in iterable_a for b in iterable_b] The syntax is a little confusing -- that's basically equivalent to: result = [] for a in iterable_a: for b in iterable_b: result.append((a, b)) ...
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Call Go functions from C

...ackage foo // #include <somelib.h> // extern int goProgressCB(uint64_t current, uint64_t total, void* userdata); // // static int goGetFiles(some_t* handle, void* userdata) { // return somelib_get_files(handle, goProgressCB, userdata); // } import "C" import "unsafe" Note that the goGet...
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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...
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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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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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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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Could not reserve enough space for object heap

...b)->Environment Variables->System Variables->New: Variable name: _JAVA_OPTIONS Variable value: -Xmx512M Variable name: Path Variable value: %PATH%;C:\Program Files\Java\jre6\bin;F:\JDK\bin; Change this to your appropriate path. ...
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append to url and refresh page

... a URL in different browsers? This is my suggested approach: function URL_add_parameter(url, param, value){ var hash = {}; var parser = document.createElement('a'); parser.href = url; var parameters = parser.search.split(/\?|&/); for(var i=0; i < paramete...