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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?

...ity(particularly ##c++ on freenode) resent the use of wstrings and wchar_t , and their use in the windows api. What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide characters? ...
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Getting distance between two points based on latitude/longitude

...4, and is implemented in geopy. For example, import geopy.distance coords_1 = (52.2296756, 21.0122287) coords_2 = (52.406374, 16.9251681) print geopy.distance.vincenty(coords_1, coords_2).km will print the distance of 279.352901604 kilometers using the default ellipsoid WGS-84. (You can also ch...
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How to convert an enum type variable to a string?

...ction for each enumeration that performs the conversion to string: enum OS_type { Linux, Apple, Windows }; inline const char* ToString(OS_type v) { switch (v) { case Linux: return "Linux"; case Apple: return "Apple"; case Windows: return "Windows"; defau...
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Most efficient method to groupby on an array of objects

...g callback functions to return a sorting criteria – y_nk Jul 6 '16 at 16:50 118 Here is one that ...
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JavaScript: What are .extend and .prototype used for?

...(){ var initializing = false, fnTest = /xyz/.test(function(){xyz;}) ? /\b_super\b/ : /.*/; // The base Class implementation (does nothing) this.Class = function(){}; // Create a new Class that inherits from this class Class.extend = function(prop) { var _super = this.prototype; ...
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What's the canonical way to check for type in Python?

... str.__subclasses__() only returns the direct subclasses of str, and does not do the same thing as issubclass() or isinstance(). (To do that, you would have to recursively call .__subclasses__(). – Thomas Wou...
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Elasticsearch query to return all records

... I think lucene syntax is supported so: http://localhost:9200/foo/_search?pretty=true&q=*:* size defaults to 10, so you may also need &size=BIGNUMBER to get more than 10 items. (where BIGNUMBER equals a number you believe is bigger than your dataset) BUT, elasticsearch documentati...
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Decorators with parameters?

I have a problem with the transfer of variable 'insurance_mode' by the decorator. I would do it by the following decorator statement: ...
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Difference between RegisterStartupScript and RegisterClientScriptBlock?

...="form1"> <div> <input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="someViewstategibberish" /> </div> <div> <span id="lblDisplayDate">Label</span> <br /> <input type="submit" name=...
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iOS: How to store username/password within an app?

...ta and kSecAttrAccount in Objective-C code, so be sure to cast them using (__bridge id), e.g., [keychainItem setObject:obj forKey:(__bridge id)kSecValueData]; – Joe Hankin Apr 6 '13 at 23:13 ...