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In MySQL, can I copy one row to insert into the same table?
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Update 07/07/2014 - The answer based on my answer, by Grim..., is a better solution as it improves on my solution below, so I'd suggest using that.
You can do this without listing all the columns with the following syntax:
CREATE TEMPORARY TABLE tmptabl...
Django - how to create a file and save it to a model's FileField?
... must be an instance of either django.core.files.File or django.core.files.base.ContentFile (see given links to manual for the details). The two choices boil down to:
# Using File
f = open('/path/to/file')
self.license_file.save(new_name, File(f))
# Using ContentFile
self.license_file.save(new_name...
Does .asSet(…) exist in any API?
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64
Using Guava, it is as simple as that:
Set<String> mySet = ImmutableSet.<String> of...
Avoid browser popup blockers
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Based on Jason Sebring's very useful tip, and on the stuff covered here and there, I found a perfect solution for my case:
Pseudo code with Javascript snippets:
immediately create a blank popup on user action
var importan...
Check if a key exists inside a json object
...object sent is contain undefined or null
var objarray={
"passenger_id":"59b64a2ad328b62e41f9050d",
"started_ride":"1",
"bus_id":"59b8f920e6f7b87b855393ca",
"route_id":"59b1333c36a6c342e132f5d5",
"start_location":"",
"stop_location":""
}
elementCheck(objarray,function(list){
console.log("list");
)
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How to disable Golang unused import error
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Here is an example of how you could use it:
import (
"log"
"database/sql"
_ "github.com/go-sql-driver/mysql"
)
To import a package solely for its side-effects (initialization), use
the blank identifier as explicit package name.
View more at https://golang.org/ref/spec#Import...
Entity Framework - Code First - Can't Store List
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This answer is based on the ones provided by @Sasan and @CAD bloke.
Works only with EF Core 2.1+ (not .NET Standard compatible)(Newtonsoft JsonConvert)
builder.Entity<YourEntity>().Property(p => p.Strings)
.HasConversion(
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How do I use grep to search the current directory for all files having the a string “hello” yet disp
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Noufal IbrahimNoufal Ibrahim
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How to parse JSON in Scala using standard Scala classes?
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This is a solution based on extractors which will do the class cast:
class CC[T] { def unapply(a:Any):Option[T] = Some(a.asInstanceOf[T]) }
object M extends CC[Map[String, Any]]
object L extends CC[List[Any]]
object S extends CC[String]
objec...
NuGet for solutions with multiple projects
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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