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“Insert if not exists” statement in SQLite

... 147 If you have a table called memos that has two columns id and text you should be able to do lik...
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How can I tell Moq to return a Task?

...thingAsync()) .Returns(Task.FromResult(someValue)); Update 2014-06-22 Moq 4.2 has two new extension methods to assist with this. mock.Setup(arg=>arg.DoSomethingAsync()) .ReturnsAsync(someValue); mock.Setup(arg=>arg.DoSomethingAsync()) .ThrowsAsync(new InvalidOp...
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How to subtract 2 hours from user's local time?

... | edited Aug 16 '16 at 12:12 David Salamon 1,8752323 silver badges2727 bronze badges answer...
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matplotlib.pyplot will not forget previous plots - how can I flush/refresh?

... 112 I would rather use plt.clf() after every plt.show() to just clear the current figure instead o...
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How to execute maven plugin execution directly from command line?

... 131 This functionality has been implemented as MNG-5768, and is available in Maven 3.3.1. The cha...
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How to replace an entire line in a text file by line number

... | edited Jun 21 '12 at 19:39 answered Jun 21 '12 at 19:26 ...
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Pass variables to Ruby script via command line

...his: ARGV.each do|a| puts "Argument: #{a}" end then $ ./test.rb "test1 test2" or v1 = ARGV[0] v2 = ARGV[1] puts v1 #prints test1 puts v2 #prints test2 share | improve this answ...
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Why does typeof NaN return 'number'?

... 21 Answers 21 Active ...
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How to rotate the background image in the container?

... 142 Very well done and answered here - http://www.sitepoint.com/css3-transform-background-image/ ...
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Is explicitly closing files important?

... 129 In your example the file isn't guaranteed to be closed before the interpreter exits. In curre...