Gremlin remove all Vertex

In more recent terms as of Gremlin 2.3.0, removal of all vertices would be best accomplished with: g.V.remove() UPDATE: For version Gremlin 3.x you would use drop(): gremlin> graph = TinkerFactory.createModern() ==>tinkergraph[vertices:6 edges:6] gremlin> g = graph.traversal() ==>graphtraversalsource[tinkergraph[vertices:6 edges:6], standard] gremlin> g.V().drop().iterate() gremlin> graph ==>tinkergraph[vertices:0 edges:0] Note that drop() does not automatically iterate the Traversal … Read more

php password_verify() hash and pass won’t match

“When I echo $valid the output is $2y$10$zzZCN7UlukvY2skb3ELVp.4y3Oc7NJTEsFyqdstqYxT” $2y$10$zzZCN7UlukvY2skb3ELVp.4y3Oc7NJTEsFyqdstqYxT the hash is only 50 in length and is invalid/too short and as I said, MySQL will fail silently; error reporting/checking would not have helped here. The password’s column length should be 60 (255 is suggested), so it wasn’t stored correctly originally. You will need to … Read more

I got error “The DELETE statement conflicted with the REFERENCE constraint”

The error means that you have data in other tables that references the data you are trying to delete. You would need to either drop and recreate the constraints or delete the data that the Foreign Key references. Suppose you have the following tables dbo.Students ( StudentId StudentName StudentTypeId ) dbo.StudentTypes ( StudentTypeId StudentType ) … Read more

Truncate string on whole words in .NET C#

Try the following. It is pretty rudimentary. Just finds the first space starting at the desired length. public static string TruncateAtWord(this string value, int length) { if (value == null || value.Length < length || value.IndexOf(” “, length) == -1) return value; return value.Substring(0, value.IndexOf(” “, length)); }