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Batch files - number of command line arguments
...HAVE_0
IF "%2"=="" GOTO HAVE_1
IF "%3"=="" GOTO HAVE_2
etc.
If you have more than 9 arguments then you are screwed with this approach though. There are various hacks for creating counters which you can find here, but be warned these are not for the faint hearted.
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How to add a progress bar to a shell script?
...in bash or any other shell in *NIX, while running a command that will take more than a few seconds, a progress bar is needed.
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Why can't a 'continue' statement be inside a 'finally' block?
...e outside of it.
Supporting this with some alternative semantics would be more confusing than helpful, since there are simple workarounds that make the intended behaviour way clearer. So you get an error, and are forced to think properly about your problem. It's the general "throw you into the pit ...
What is the Ruby (spaceship) operator?
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How to round up the result of integer division?
...m in mid-2017 stumbling across this great answer after trying several much more complex approaches.
– Mifo
Jul 29 '17 at 23:41
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Check if a value is an object in JavaScript
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Why should I prefer to use member initialization lists?
...ce is negligible, but imagine if you will that A's default constructor did more, such as allocating memory or opening files. You wouldn't want to do that unnecessarily.
Furthermore, if a class doesn't have a default constructor, or you have a const member variable, you must use an initializer list...
Why is “except: pass” a bad programming practice?
...ccurred there and lose any help to debug it correctly.
But there are also more dangerous exceptions which we are unlikely prepared for. For example SystemError is usually something that happens rarely and which we cannot really plan for; it means there is something more complicated going on, someth...
Creating a segue programmatically
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