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Ruby/Rails: converting a Date to a UNIX timestamp
... and the code involves less steps:
> Time.utc(2016, 12, 25).to_i
=> 1482624000 # correct
vs
> Date.new(2016, 12, 25).to_time.utc.to_i
=> 1482584400 # incorrect
Here is what happens when you call utc after using Date....
> Date.new(2016, 12, 25).to_time
=> 2016-12-25 00:00:...
How to find the size of an array in postgresql
...99 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.89...
mysql :: insert into table, data from another table?
... a matching primary key.
– HotN
Dec 14 '16 at 15:50
Did you find any solution? <The whole row approach fails if th...
What's the difference between istringstream, ostringstream and stringstream? / Why not use stringstr
...
ScharronScharron
14.4k44 gold badges3939 silver badges6262 bronze badges
add a...
What is the best way to do a substring in a batch file?
...ho !tmp:~-3! \r\n )
– Fr0sT
Apr 28 '14 at 11:21
...
Simple way to copy or clone a DataRow?
...h deep copy
– cuongle
Aug 19 '12 at 14:09
16
For people finding this post i'll add the following ...
Erasing elements from a vector
... last n elements.
– wilhelmtell
Feb 14 '11 at 15:51
20
erase-remove idiom is described in Item 32...
What do REFRESH and MERGE mean in terms of databases?
...m: The CascadeType defaults to an empty array.
– user1438038
May 19 '15 at 8:30
@chaos so refresh updates the children...
Possible to access the index in a Hash each loop?
...99 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.89...
How to join multiple lines of file names into one with custom delimiter?
...
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edited Oct 23 '14 at 12:23
jpbochi
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an...