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Select random row from a sqlite table
...t perfect : the distribution of probability is higher on the last row (the one with the highest rowid), but if you often add stuff to the table, it will become a moving target and the distribution of probabilities should be much better.
Yet another solution, if you often select random stuff from a ...
./configure : /bin/sh^M : bad interpreter [duplicate]
...for a directory tree? do I need to go to each directory and open the files one by one in vi and do ":set fileformat=unix" ?? Please help.
– sree
Oct 10 '13 at 9:22
29
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How to use enums as flags in C++?
...swered Sep 19 '09 at 12:37
eidoloneidolon
2,71722 gold badges1313 silver badges55 bronze badges
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How do I split a string on a delimiter in Bash?
... -ra ADDR <<< "$IN"
for i in "${ADDR[@]}"; do
# process "$i"
done
It will parse one line of items separated by ;, pushing it into an array. Stuff for processing whole of $IN, each time one line of input separated by ;:
while IFS=';' read -ra ADDR; do
for i in "${ADDR[@]}"; do
...
Is it better to call ToList() or ToArray() in LINQ queries?
...tly to the number of elements.
To meet this constraint ToArray often does one more allocation than ToList. Once it has an array that is big enough it allocates an array which is exactly the correct size and copies the elements back into that array. The only time it can avoid this is when the grow...
Write a program that will surely go into deadlock [closed]
...l variable and three statements, and yet it deadlocks with 100% certainty. One would be hard-pressed to come up with a simpler program that deadlocks with certainty.
Exercise to the reader #1: explain how this deadlocks. (An answer is in the comments.)
Exercise to the reader #2: demonstrate the sa...
Why when a constructor is annotated with @JsonCreator, its arguments must be annotated with @JsonPro
...es-java8/tree/master/parameter-names
jackson-module-paranamer
This other one simply requires you to register the module or configure an annotation introspection (but not both as pointed out by the comments). It allows you to use annotation-free constructor arguments on versions of Java prior to 1....
Error “library not found for” after putting application in AdMob
...
good one, after pod install, one of the library was not listed there. I don't know why but adding that library path makes it work.
– Warewolf
Apr 2 '18 at 11:02
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When is it acceptable to call GC.Collect?
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@springy76: Being done by Microsoft in one place doesn't mean it's deemed a good thing by those giving advice from Microsoft...
– Jon Skeet
Sep 18 '11 at 16:00
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Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I
...ain of stored procedures. A restriction in SQL Server is you can only have one INSERT-EXEC active at a time. I recommend looking at How to Share Data Between Stored Procedures which is a very thorough article on patterns to work around this type of problem.
For example a work around could be to tur...