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How do I obtain crash-data from my Android application?

...onHandler { private UncaughtExceptionHandler defaultUEH; private String localPath; private String url; /* * if any of the parameters is null, the respective functionality * will not be used */ public CustomExceptionHandler(String localPath, String url) { ...
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Send POST request using NSURLSession

...configuration delegate:self delegateQueue:nil]; NSURL *url = [NSURL URLWithString:@"[JSON SERVER"]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy ...
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filter items in a python dictionary where keys contain a specific string

...ct comprehension: filtered_dict = {k:v for k,v in d.iteritems() if filter_string in k} One you see it, it should be self-explanatory, as it reads like English pretty well. This syntax requires Python 2.7 or greater. In Python 3, there is only dict.items(), not iteritems() so you would use: fil...
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How do I add multiple arguments to my custom template filter in a django template?

...lter, but there's no reason you can't put all your arguments into a single string using a comma to separate them. So for example, if you want a filter that checks if variable X is in the list [1,2,3,4] you will want a template filter that looks like this: {% if X|is_in:"1,2,3,4" %} Now we can cr...
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throw Error('msg') vs throw new Error('msg')

...!(this instanceof Array)) { return new Array(arguments); }. (But note that String(x) and new String(x) are very different, and likewise for Number and Boolean.) That said, in case of an error, it's not even required to throw an Error object... throw 'Bad things happened'; will work, tooYou can even...
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date format yyyy-MM-ddTHH:mm:ssZ

...UTC ISO 8601 (MSDN datetime formats) Console.WriteLine(DateTime.UtcNow.ToString("s") + "Z"); 2009-11-13T10:39:35Z The Z is there because If the time is in UTC, add a 'Z' directly after the time without a space. 'Z' is the zone designator for the zero UTC offset. "09:30 UTC" is t...
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Why do we have to specify FromBody and FromUri?

..., bool, double, and so forth), plus TimeSpan, DateTime, Guid, decimal, and string, plus any type with a type converter that can convert from a string. For complex types, Web API tries to read the value from the message body, using a media-type formatter. So, if you want to override the above defau...
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How to validate an e-mail address in swift?

... I would use NSPredicate: func isValidEmail(_ email: String) -> Bool { let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}" let emailPred = NSPredicate(format:"SELF MATCHES %@", emailRegEx) return emailPred.evaluate(with: email) } for v...
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When should I use ugettext_lazy?

...y executed once (mostly on django's startup); ugettext_lazy translates the strings in a lazy fashion, which means, eg. every time you access the name of an attribute on a model the string will be newly translated-which totally makes sense because you might be looking at this model in different langu...
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Java Map equivalent in C#

... You can index Dictionary, you didn't need 'get'. Dictionary<string,string> example = new Dictionary<string,string>(); ... example.Add("hello","world"); ... Console.Writeline(example["hello"]); An efficient way to test/get values is TryGetValue (thanx to Earwicker): if (ot...