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Specifying colClasses in the read.csv
...other variables, and they are not automatically recognized as such by read.table.
– tchakravarty
Dec 13 '14 at 18:00
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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
... column(s) is/ are causing the problem as this error usually occurs when a table-constraint is violated..
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How does one generate a random number in Apple's Swift language?
...near, additive feedback, random number generator, employing a default table of size 31 long integers. It returns successive pseudo-random numbers in the range from 0 to (231)-1. The period of this random number generator is very large, approximately 16*((231)-1)." ... Thanks a lot a...
How to check if a service is running on Android?
...e called or not. Please note the "killable" column in the lifecycle events table in the Android documentation.
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Is there a “standard” format for command line/shell help text?
... case it is not very specific. You probably can't go wrong with printing a table showing the short and long options and a succinct description. Try to get the spacing between all arguments right for readability. You probably want to provide a man page (and possibly an info manual) for your tool to p...
Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
... in the database. You can do this in your migrations. For example:
create_table :projects do |t|
t.string :status, :null => false, :default => 'P'
...
t.timestamps
end
Hope that helps.
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How to test Spring Data repositories?
...est the CrudRepo, the Entity and the DDL scripts which create the Entity's table(s).
– MirandaVeracruzDeLaHoyaCardina
Sep 25 '18 at 9:48
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How do I loop through or enumerate a JavaScript object?
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object literal iteration
Browser support you can see on Kangax's compat table
For old browser you have
How to convert a string to lower case in Bash?
...he "~~" operator that does work, so it's not like the code and translation tables aren't already there...
– Hubert Kario
Jul 14 '12 at 14:13
4
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What do REFRESH and MERGE mean in terms of databases?
...adable):
MERGE - for existing objects, to merge the existing data in the table with the data in my object. (sync to database)
PERSIST - is create new records from object in the database.
REFRESH - is to refresh the data in the object. Perhaps there was a change on the database which needs to be sy...