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Does R have an assert statement as in python?

... Tom KellyTom Kelly 8761212 silver badges1616 bronze badges add a comment ...
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Received an invalid column length from the bcp client for colid 6

... | edited Jul 21 '17 at 13:05 Carthic 7788 bronze badges answered May 4 '12 at 5:15 ...
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Can iterators be reset in Python?

...r protocol is very simple, and only provides one single method (.next() or __next__()), and no method to reset an iterator in general. The common pattern is to instead create a new iterator using the same procedure again. If you want to "save off" an iterator so that you can go back to its beginni...
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Why does ++[[]][+[]]+[+[]] return the string “10”?

... +(true) + '' + (0) 1 + '' + 0 "10" So now you got that, try this one: _=$=+[],++_+''+$ share | improve this answer | follow | ...
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How do I list loaded plugins in Vim?

...5.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788Z\"/\u003e\u003cpath d=\"M32.492 10.1419C32.492 12.6954 34.1182 14.0484 37.0451 14.0484C39.9723...
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How can I check for Python version in a program that uses new language features?

...oesn't have ternary Also, with is available in Python 2.5, just add from __future__ import with_statement. EDIT: to get control early enough, you could split it into different .py files and check compatibility in the main file before importing (e.g. in __init__.py in a package): # __init__.py #...
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The most accurate way to check JS object's type?

... constructor: Native Type Ex1: var string1 = "Test"; console.log(string1.__proto__.constructor.name); displays: String Ex2: var array1 = []; console.log(array1.__proto__.constructor.name); displays: Array Custom Classes: function CustomClass(){ console.log("Custom Class Object C...
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How to join strings in Elixir?

...u could treat it as an iolist: ["StringA", " ", "StringB"] |> IO.iodata_to_binary # "StringA StringB" This gives you some performances boosts as you're not duplicating any of the strings in memory. share | ...
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Replace all non-alphanumeric characters in a string

...5.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788Z\"/\u003e\u003cpath d=\"M32.492 10.1419C32.492 12.6954 34.1182 14.0484 37.0451 14.0484C39.9723...
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When to use symbols instead of strings in Ruby?

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