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How do I hide the status bar in a Swift iOS app?

... You really should implement prefersStatusBarHidden on your view controller(s): Swift 3 and later override var prefersStatusBarHidden: Bool { return true } ...
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Range references instead values

...{ field string } func main() { var array [10]MyType for idx, _ := range array { array[idx].field = "foo" } for _, e := range array { fmt.Println(e.field) fmt.Println("--") } } ...
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What is the use of the @ symbol in PHP?

...om error handler function with set_error_handler() then it will still get called, but this custom error handler can (and should) call error_reporting() which will return 0 when the call that triggered the error was preceded by an @... ...
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Objective-C: Property / instance variable in category

...e, it wouldn't work. Fortunately, the Objective-C runtime has this thing called Associated Objects that can do exactly what you're wanting: #import <objc/runtime.h> static void *MyClassResultKey; @implementation MyClass - (NSString *)test { NSString *result = objc_getAssociatedObject(sel...
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postgresql - replace all instances of a string within text field

In postgresql, how do I replace all instances of a string within a database column? 4 Answers ...
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check if jquery has been loaded, then load it if false

... I believe appending a script tag to body works in all browsers. – Steven Lu Jan 6 '13 at 21:26 3 ...
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Easiest way to convert int to string in C++

...icking up a discussion with @v.oddou a couple of years later, C++17 has finally delivered a way to do the originally macro-based type-agnostic solution (preserved below) without going through macro uglyness. // variadic template template < typename... Args > std::string sstr( Args &&....
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How to check if a file is a valid image file?

... That won't be sufficient if he's really testing for "valid" images; the presence of a magic number doesn't guarantee that the file hasn't been truncated, for example. – Ben Blank May 20 '09 at 18:11 ...
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How to concatenate strings in twig

...like Alessandro said, and here it is in the documentation: ~: Converts all operands into strings and concatenates them. {{ "Hello " ~ name ~ "!" }} would return (assuming name is 'John') Hello John!. – http://twig.sensiolabs.org/doc/templates.html#other-operators And here is an example so...
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Can Selenium interact with an existing browser session?

... This is a pretty old feature request: Allow webdriver to attach to a running browser . So it's officially not supported. However, there is some working code which claims to support this: https://web.archive.org/web/20171214043703/http://tarunlalwani.com/post/reu...