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SQL Server - copy stored procedures from one db to another
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Javascript web app and Java server, build all in Maven or use Grunt for web app?
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How to convert current date into string in java?
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I'm confused. In what universe is Calendar more desirable than Date?
– jasonmp85
Jun 3 '10 at 11:24
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What's a concise way to check that environment variables are set in a Unix shell script?
...he Bourne Shell (1978 or thereabouts). The ${var:?} construct is slightly more recent: I think it was in System III UNIX circa 1981, but it may have been in PWB UNIX before that. It is therefore in the Korn Shell, and in the POSIX shells, including specifically Bash.
It is usually documented in th...
How can I add new keys to a dictionary?
...nt to create a dictionary just to update one key. Do this only if you have more than 1 key (there may be a threshold above which it's better to create a dict)
– Jean-François Fabre♦
Aug 1 '18 at 21:42
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What is the difference between and ?
...sing elements (see 7.3)), of which span is one of them, among many others. Moreover, this is not an answer to the OP's question: it doesn't tell anything about the difference between p and div. And please read How do comment replies work?
– Marcel Korpel
Aug 1 ...
Instance variables vs. class variables in Python
...the attributes only once per class and not per instance. If there would be more than one instance (which won't happen), all instance should have the same configuration. I wonder which of the following options would be better or more "idiomatic" Python.
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Multiple Updates in MySQL
... answer assumes the ID is a unique key (can be primary as others said) but more importantly it assumes there are no other unique keys. If there are any, it can throw a spanner in the works.
– Steve Horvath
Dec 3 '14 at 5:43
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Unpacking, extended unpacking and nested extended unpacking
...ested structures don't match up. Now let's see how it works for a slightly more complex example:
(a,b), c, = [1,2],'this' # a = '1', b = '2', c = 'this'
Applying the above rules, we get
((a, b), c) = ((1, 2), ('t', 'h', 'i', 's'))
But now it's clear from the structure that 'this' w...
How to check if AlarmManager already has an alarm set?
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