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What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...you state a specific DBMS that you have tested to see that it generates an error for this statement.
– daniel.gindi
Sep 15 '13 at 11:53
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python location on mac osx
...ed), but an alias file called 'Current', which, when clicked, gives me the error "The operation can't be competed because the original item for 'Current' can't be found."
– Pyderman
Jul 22 '15 at 14:00
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How to set input type date's default value to today?
...ack to text inputs in the non-supporting browsers, the other solution will error or fail.
– brianary
Nov 17 '16 at 23:01
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Property getters and setters
...rning:
Attempting to access 'name' from within it's own getter.
The error looks vague like this:
As an alternative you might want to use didSet. With didSet you'll get a hold to the value that is was set before and just got set to. For more see this answer.
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Static constant string (class member)
...d conform, although Gnu/GCC compliles fines, other compilers will throw an error. Definition has to be in body.
– ManuelSchneid3r
Nov 16 '15 at 11:40
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java: ArrayList - how can i check if an index exists?
...r this kind of work, it will slow down your program by 50% or maybe more.. error checking adds like a strap to your existing code to slow it down.. better to avoid it in critical areas. Checking for length in this case is the best thing you can do, since the index will always be less then the length...
How to return a value from __init__ in Python?
...t recent call last):
File "<stdin>", line 1, in <module>
TypeError: __init__() should return None
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How to pass command line arguments to a shell alias? [duplicate]
...set -x; alias serve="python -m SimpleHTTPServer $1 &" you will see the error/problem. Both your argument and the alias command are run as separate commands.
– PatS
Feb 13 '18 at 17:33
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Run cron job only if it isn't already running
...on job as a sort of watchdog for a daemon that I've created. If the daemon errors out and fails, I want the cron job to periodically restart it... I'm not sure how possible this is, but I read through a couple of cron tutorials and couldn't find anything that would do what I'm looking for...
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Getting MAC Address
...ing the output of another program doesn't seem very elegant not to mention error prone.
14 Answers
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