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multiprocessing.Pool: When to use apply, apply_async or map?
...s performed in a separate process. Pool.apply blocks until the function is completed.
Pool.apply_async is also like Python's built-in apply, except that the call returns immediately instead of waiting for the result. An AsyncResult object is returned. You call its get() method to retrieve the resul...
How to rollback just one step using rake db:migrate
...y to do that, but I don't know the correct value of n to use. Is there any command to check the current n value?
5 Answers
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How can I calculate the time between 2 Dates in typescript
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Get the Last Inserted Id Using Laravel Eloquent
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How to determine function name from inside a function
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Rails: convert UTC DateTime to another time zone
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LD_LIBRARY_PATH vs LIBRARY_PATH
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LIBRARY_PATH is used by gcc before compilation to search directories containing static and shared libraries that need to be linked to your program.
LD_LIBRARY_PATH is used by your program to search directories containing shared libraries after it has been suc...
Add a duration to a moment (moment.js)
... just use == to test. You could format each moment to the same output and compare those, or you could just use the .isSame() method.
Your code is now:
var timestring1 = "2013-05-09T00:00:00Z";
var timestring2 = "2013-05-09T02:00:00Z";
var startdate = moment(timestring1);
var expected_enddate = mo...
Only one expression can be specified in the select list when the subquery is not introduced with EXI
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You can't return two (or multiple) columns in your subquery to do the comparison in the WHERE A_ID IN (subquery) clause - which column is it supposed to compare A_ID to? Your subquery must only return the one column needed for the comparison to the column on the other side of the IN. So the que...