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How does Apple know you are using private API?

...since I do not work in the Apple review team. 1. otool -L This will list all libraries the app has linked to. Something clearly you should not use, like IOKit and WebKit can be detected by this. 2. nm -u This will list all linked symbols. This can detect Undocumented C functions such as _UIIma...
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Convert object string to JSON

...turn '"'+$1+'"'}) } Result var invalidJSON = "{ hello: 'world',foo:1, bar : '2', foo1: 1, _bar : 2, $2: 3, 'xxx': 5, \"fuz\": 4, places: ['Africa', 'America', 'Asia', 'Australia'] }" JSON.parse(invalidJSON) //Result: Uncaught SyntaxError: Unexpected token h VM1058:2 JSON.parse(JSONize...
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Mixins vs. Traits

...s (MA and MB) or traits (TA and TB) define method with the same definition foo():void. Mixin MA { foo():void { print 'hello' } } Mixin MB { foo():void { print 'bye' } } Trait TA { foo():void { print 'hello' } } Trait TB { foo():void { p...
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Set a path variable with spaces in the path in a Windows .cmd file or batch file

... this should be the accepted answer. for some reason, calling set from an if block doesn't work if the value has a space and is unquoted. – Kevin Aug 1 '19 at 16:35 ...
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Double Negation in C++

...ompiler warning. Try this: int _tmain(int argc, _TCHAR* argv[]) { int foo = 5; bool bar = foo; bool baz = !!foo; return 0; } The 'bar' line generates a "forcing value to bool 'true' or 'false' (performance warning)" on MSVC++, but the 'baz' line sneaks through fine. ...
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How to get the concrete class name as a string? [duplicate]

... Is there a way to get it with the import path? For example, str(type(foo)) == "<class 'never.gonna.give.youup'>" but type(foo).__name__ == "youup". How do I get never.gonna.give.youup? – Martin Thoma Apr 29 '19 at 8:00 ...
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Automatically capture output of last command into a variable using Bash?

... This is a really hacky solution, but it seems to mostly work some of the time. During testing, I noted it sometimes didn't work very well when getting a ^C on the command line, though I did tweak it a bit to behave a bit better. This...
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Using PHP with Socket.io

...t there are some ways to implement WebSockets. There is this jQuery plugin allowing you to use Websockets while gracefully degrading for non-supporting browsers. On the PHP side, there is this class which seems to be the most widely used for PHP WS servers. ...
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?

...e NDK documents. Ever since the release NDK-r6, it has provided a utility called ndk-stack. Following is the content from official NDK documents with the NDK-r9 tar ball. Overview: ndk-stack is a simple tool that allows you to filter stack traces as they appear in the output of 'adb logcat' and r...
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How to check that an element is in a std::set?

... Note that using count() instead of find() is never better but potentially worse. This is because find() will return after the first match, count() will always iterate over all elements. – Frerich Raabe Nov 9 '09 at 15:50 ...