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Get local IP address

... edited Oct 17 '17 at 19:32 ivan_pozdeev 26.5k1010 gold badges7676 silver badges124124 bronze badges answered Jul 23 '11 at 20:26 ...
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Get nth character of a string in Swift programming language

...vailable also to the substrings: extension StringProtocol { subscript(_ offset: Int) -> Element { self[index(startIndex, offsetBy: offset)] } subscript(_ range: Range<Int>) -> SubSequence { prefix(range.lowerBound+range.count).suffix(range.c...
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Can dplyr package be used for conditional mutating?

... ifelse(a == 0 | a == 1 | a == 4 | a == 3 | c == 4, 3, NA))) Added - if_else: Note that in dplyr 0.5 there is an if_else function defined so an alternative would be to replace ifelse with if_else; however, note that since if_else is stricter than ifelse (both legs of the condition must have the ...
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What is the easiest way to remove the first character from a string?

... fastest and most readable way of doing things: require 'benchmark' N = 1_000_000 puts RUBY_VERSION STR = "[12,23,987,43" Benchmark.bm(7) do |b| b.report('[0]') { N.times { "[12,23,987,43"[0] = '' } } b.report('sub') { N.times { "[12,23,987,43".sub(/^\[+/, "") } } b.report('gsub') { N.ti...
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Can I get JSON to load into an OrderedDict?

... Yes, you can. By specifying the object_pairs_hook argument to JSONDecoder. In fact, this is the exact example given in the documentation. >>> json.JSONDecoder(object_pairs_hook=collections.OrderedDict).decode('{"foo":1, "bar": 2}') OrderedDict([('foo',...
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Mocking Extension Methods with Moq

... DoWorkMethod { [ExcludeFromCodeCoverage] get { return _DoWorkMethod ?? (_DoWorkMethod = (obj, val) => { return obj.DoWork(val); }); } set { _DoWorkMethod = value; } } private Func<IMyObject, string, object> _DoWorkMethod; Then you call the Func instead of ...
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Adding days to a date in Python

...to do: import datetime Then you'll have, using datetime.timedelta: date_1 = datetime.datetime.strptime(start_date, "%m/%d/%y") end_date = date_1 + datetime.timedelta(days=10) share | improve t...
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ExpressJS How to structure an application?

...ike to structure a medium-sized express.js application. focusaurus/express_code_structure is the repo with the latest code for this. Pull requests welcome. Here's a snapshot of the README since stackoverflow doesn't like just-a-link answers. I'll make some updates as this is a new project that I'l...
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Does height and width not apply to span?

...level element, then it will accept your dimension directives. span.product__specfield_8_arrow { display: inline-block; /* or block */ } share | improve this answer | fo...
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how to read value from string.xml in android?

... Try this String mess = getResources().getString(R.string.mess_1); UPDATE String string = getString(R.string.hello); You can use either getString(int) or getText(int) to retrieve a string. getText(int) will retain any rich text styling applied to the string. Reference: https://dev...