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What is the Scala annotation to ensure a tail recursive function is optimized?
...is actually not tail-recursive. This makes the @tailrec annotation a good idea, both to ensure that a method is currently optimizable and that it remains optimizable as it is modified.
Note that Scala does not consider a method to be tail-recursive if it can be overridden. Thus the method must ei...
Can I assume (bool)true == (int)1 for any C++ compiler?
... C syntax in general. Nevertheless, it is, of course, almost always a bad idea to redefine language keywords.
– Dale Hagglund
Apr 27 '10 at 21:07
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Bash set +x without it being printed
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This is a combination of a few ideas that can enclose a block of code and preserves the exit status.
#!/bin/bash
shopt -s expand_aliases
alias trace_on='set -x'
alias trace_off='{ PREV_STATUS=$? ; set +x; } 2>/dev/null; (exit $PREV_STATUS)'
trace_on
e...
Why use double indirection? or Why use pointers to pointers?
... to an int holding the value of 10 , passing this int to free()` is a bad idea.
– alk
Apr 16 '19 at 16:42
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Simplest way to serve static data from outside the application server in a Java web application
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Yup, I started the response with the idea of rescaling and other manipulation, but ended up simplifying it.
– Bozho
Nov 28 '09 at 11:59
a...
How can I check that a form field is prefilled correctly using capybara?
...t for something simple as this going with the inbuilt solution is a better idea. Just saying!
– Agent47DarkSoul
Nov 17 '13 at 17:08
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Behaviour of increment and decrement operators in Python
...rser won't be more complex than LL(1). Simple is better than complex. This idea extends to the parser. Restricting Python's grammar to an LL(1) parser is a blessing, not a curse. It puts us in handcuffs that prevent us from going overboard and ending up with funky grammar rules like some other dynam...
How to copy data to clipboard in C#
...e concept of kv-pairs doesn't seem to be anything to do with the clipboard idea?
– Kieren Johnstone
Jan 14 '16 at 10:31
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jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
...ation of where events are stored in 1.8. Now you know why it is such a bad idea to mess around with internal APIs :)
The new internal API to access to events for a DOM object is available through the global jQuery object, and not tied to each instance, and it takes a DOM element as the first parame...
How to move columns in a MySQL table?
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Any idea how this would perform on a large table? Is it just changing some metadata, or does it actually have to reorganize data on the disk?
– Kip
Nov 12 '15 at 16:01
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