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How to create local notifications?

...thorizationOptionAlert) completionHandler:^(BOOL granted, NSError * _Nullable error) { if (!error) { NSLog(@"request authorization succeeded!"); [self showAlert]; } }]; -(void)showAlert { UIAlertController *objAlertControlle...
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C# binary literals

...t separators via underscore characters). An example: int myValue = 0b0010_0110_0000_0011; You can also find more information on the Roslyn GitHub page. share | improve this answer | ...
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JSON datetime between Python and JavaScript

... You can add the 'default' parameter to json.dumps to handle this: date_handler = lambda obj: ( obj.isoformat() if isinstance(obj, (datetime.datetime, datetime.date)) else None ) json.dumps(datetime.datetime.now(), default=date_handler) '"2010-04-20T20:08:21.634121"' Which is ISO 8...
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How to output a multiline string in Bash?

...ters. This seems reasonably portable to me (I ran it on MacOS and Ubuntu) __usage=" Usage: $(basename $0) [OPTIONS] Options: -l, --level <n> Something something something level -n, --nnnnn <levels> Something something something n -h, --help ...
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Python loop that also accesses previous and next values

... This should do the trick. foo = somevalue previous = next_ = None l = len(objects) for index, obj in enumerate(objects): if obj == foo: if index > 0: previous = objects[index - 1] if index < (l - 1): next_ = objects[index + 1] Her...
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Check if a Windows service exists and delete in PowerShell

...ee Remove-Service doc) For example: $service = Get-WmiObject -Class Win32_Service -Filter "Name='servicename'" $service.delete() Or with the sc.exe tool: sc.exe delete ServiceName Finally, if you do have access to PowerShell 6.0: Remove-Service -Name ServiceName ...
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How should I choose an authentication library for CodeIgniter? [closed]

... Unactivated accounts auto-expire Simple yet effective error handling Uses phpass for hashing (and also hashes autologin codes in the DB) Does not use security questions Separation of user and profile data is very nice Very reasonable security model around failed login attempts (good protection agai...
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Can you find all classes in a package using reflection?

...0, file.getName().length() - 6))); } } return classes; } __________ 1 This method was taken originally from http://snippets.dzone.com/posts/show/4831, which was archived by the Internet Archive, as linked to now. The snippet is also available at https://dzone.com/articles/get-all-c...
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Should all Python classes extend object?

...;>> class Bar(object): pass ... >>> type(Bar()) <class '__main__.Bar'> Also the rules for multiple inheritance are different in ways that I won't even try to summarize here. All good documentation that I've seen about MI describes new-style classes. Finally, old-style classe...
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printf format specifiers for uint32_t and size_t

... Sounds like you're expecting size_t to be the same as unsigned long (possibly 64 bits) when it's actually an unsigned int (32 bits). Try using %zu in both cases. I'm not entirely certain though. ...