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How to exit if a command failed?

...&. cmd1 && cmd2 will run cmd2 when cmd1 succeeds(exit value 0). Where as cmd1 || cmd2 will run cmd2 when cmd1 fails(exit value non-zero). Using ( ) makes the command inside them run in a sub-shell and calling a exit from there causes you to exit the sub-shell and not your original...
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The current SynchronizationContext may not be used as a TaskScheduler

...ncContext. – h9uest Mar 2 '15 at 17:07 1 I think I figured it out. My TestInitialize is asynchron...
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How to convert java.sql.timestamp to LocalDate (java8) java.time?

... answered Apr 24 '14 at 9:07 assyliasassylias 287k6767 gold badges597597 silver badges722722 bronze badges ...
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How to add pandas data to an existing csv file?

...| edited Nov 1 '17 at 17:10 root 23.8k44 gold badges5151 silver badges6464 bronze badges answered Jul 31...
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?

...context of each group. Let's say foo is in X, and bar is in Y (along with 20 other columns in Y). Isn't X[Y,sum(foo*bar)] quicker to program and quicker to run than a merge of everything wastefully followed by a subset? If you want a left outer join of X[Y] le <- Y[X] mallx <- merge(X, ...
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How to copy an object in Objective-C

... answered Sep 22 '09 at 12:04 Adam WrightAdam Wright 47k1111 gold badges126126 silver badges148148 bronze badges ...
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Difference between “module.exports” and “exports” in the CommonJs Module System

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What does the “@” symbol do in Powershell?

... TylerH 18.1k1212 gold badges6161 silver badges8080 bronze badges answered Dec 12 '08 at 19:51 Don JonesDon Jones 8,81966 gold...
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Using IoC for Unit Testing

...e used for unit testing? Is it useful to manage mocks in a huge solution (50+ projects) using IoC? Any experiences? Any C# libraries that work well for using it in unit tests? ...
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What is the difference between Lisp-1 and Lisp-2?

... pauldoopauldoo 15.7k2020 gold badges8484 silver badges111111 bronze badges ...