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What is the “__v” field in Mongoose
I'm using Mongoose version 3 with MongoDB version 2.2. I've noticed a __v field has started appearing in my MongoDB documents. Is it something to do with versioning? How is it used?
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How to convert timestamp to datetime in MySQL?
How to convert 1300464000 to 2011-03-18 16:00:00 in MySQL?
5 Answers
5
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...y are expected to return, it's not OK to be ignoring exceptions.
Question 3:
Personally, I like thread launches to be explicit. I place a lot of value on islands where you can guarantee serial access. Otherwise you end up with mutable state that you always have to be wrapping a mutex around somewh...
How do you set the startup page for debugging in an ASP.NET MVC application?
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Mark SeemannMark Seemann
203k3939 gold badges377377 silver badges649649 bronze badges
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Best way of invoking getter by reflection
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243
I think this should point you towards the right direction:
import java.beans.*
for (PropertyDe...
relative path in BAT script
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answered Feb 18 '13 at 18:28
Ansgar WiechersAnsgar Wiechers
168k2121 gold badges187187 silver badges253253 bronze badges
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break out of if and foreach
...how many loop structures it should break. Example:
foreach (array('1','2','3') as $a) {
echo "$a ";
foreach (array('3','2','1') as $b) {
echo "$b ";
if ($a == $b) {
break 2; // this will break both foreach loops
}
}
echo ". "; // never reached!
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“use database_name” command in PostgreSQL
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397
When you get a connection to PostgreSQL it is always to a particular database. To access a di...
Groovy / grails how to determine a data type?
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answered Jan 13 '10 at 21:34
DónalDónal
173k161161 gold badges522522 silver badges778778 bronze badges
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Android: how to make an activity return results to the activity which calls it?
...1
hauron
3,94833 gold badges2929 silver badges4747 bronze badges
answered Feb 9 '13 at 7:24
KanthKanth
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