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Aborting a shell script if any command returns a non-zero value?
I have a Bash shell script that invokes a number of commands.
I would like to have the shell script automatically exit with a return value of 1 if any of the commands return a non-zero value.
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What does the star operator mean, in a function call?
What does the * operator mean in Python, such as in code like zip(*x) or f(**k) ?
5 Answers
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Advantages of Antlr (versus say, lex/yacc/bison) [closed]
I've used lex and yacc (more usually bison) in the past for various projects, usually translators (such as a subset of EDIF streamed into an EDA app). Additionally, I've had to support code based on lex/yacc grammars dating back decades. So I know my way around the tools, though I'm no expert.
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Google Sheets API Setup · App Inventor 2 中文网
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Why use static_cast(x) instead of (int)x?
I've heard that the static_cast function should be preferred to C-style or simple function-style casting. Is this true? Why?
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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
If you read the comments at the jQuery inArray page here , there's an interesting declaration:
13 Answers
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Sound effects in JavaScript / HTML5
I'm using HTML5 to program games; the obstacle I've run into now is how to play sound effects.
18 Answers
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How to define a function in ghci across multiple lines?
I'm trying to define any simple function that spans multiple lines in ghci, take the following as an example:
7 Answers
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Split output of command by columns using Bash?
I want to do this:
10 Answers
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How do you diff a directory for only files of a specific type?
I have a question about the diff command
if I want a recursive directory diff but only for a specific file type, how to do that?
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