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Should import statements always be at the top of a module?
...tion if your profiling shows that would help (you did profile to see where best to improve performance, right??)
The best reasons I've seen to perform lazy imports are:
Optional library support. If your code has multiple paths that use different libraries, don't break if an optional library is ...
SQL Server equivalent to MySQL enum data type?
... @Elaskanator I'd say this most precisely answers the direct OP, while the best solution for it is probably the FK+external table usage.
– userfuser
Dec 21 '18 at 9:12
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Medium-size Clojure sample application?
...s there a medium-sized Clojure sample application that could be used as a "best-practices" example, and a good way to see what such an application would look like in terms of code and code organization? A web application would be particularly interesting to me, but most important is that the program...
How to run a single test from a rails test suite?
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This seems to be the best answer based on the Rails guides, at least for testing a specific line.
– tfantina
Oct 30 '17 at 10:51
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Add a new element to an array without specifying the index in Bash
...ts to and unset non-contiguous indices ${#array[@]} is not always the next item at the end of the array.
$ array=(a b c d e f g h)
$ array[42]="i"
$ unset array[2]
$ unset array[3]
$ declare -p array # dump the array so we can see what it contains
declare -a array='([0]="a" [1]="b" [4]="e" [5]=...
Implementing Fast and Efficient Core Data Import on iOS 5
...hat none of this data is on disk until MASTER saves. Furthermore, any new items will not get permanent IDs until the MASTER saves to disk.
In your scenario, you are pulling the data into the MAIN MOC by merging from the MASTER save during the DidSave notification.
That should work, so I'm curious...
Measuring code execution time
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Best answer. Thanks!
– Tadej
May 15 '17 at 10:50
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How to return result of a SELECT inside a function in PostgreSQL?
...are various ways to avoid any confusion:
Use the ordinal position of the item in the SELECT list: ORDER BY 2 DESC. Example:
Select first row in each GROUP BY group?
Repeat the expression ORDER BY count(*).
(Not applicable here.) Set the configuration parameter plpgsql.variable_conflict or use t...
How to use shell commands in Makefile
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Now that we have the list how do we iterate over each item in the list and execute a command on it? Such as build or test?
– anon58192932
Oct 12 '16 at 19:56
3...
“Delegate subtraction has unpredictable result” in ReSharper/C#?
... But you don't know that the delegate is always removing the only item on the invocation list. This is making the resharper message go away by turning correct working code into incorrect broken code that will, in certain circumstances, coincidentally work, but that will break in unusual an...