Παρουσίαση με Ετικέτες

• ADO.net
• Column
• cx_Oracle
• CXT
• Cypher
• Delete
• Extensions
• Graphs
• Installation
• Int
• libcrypt
• Modules
• MSYS2
• Neo4j
• Nodes
• Oracle
• PIP
• Python
• Query
• Relationships
• SQL
• SqlDataReader
• Windows

HowTo: Install Python, PIP and cx_Oracle on MSYS2 / Windows
23 Αυγούστου 20 03:12 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια   

Here’s how to install Python, PIP package installer and cx_Oracle extension module on MSYS2: $ pacman -S python warning: python-3.8.3-1 is up to date — reinstalling resolving dependencies… looking for conflicting packages… Packages (1) python-3.8.3-1 Total Installed Size:  108.66 MiB Net Upgrade Size:        0.00 MiB :: Proceed with installation? [Y/n] y … $ pacman -S […]

Δημοσίευση στην κατηγορία: Windows, Posts, HowTo, Installation, Database, Python, MSYS2, CXT, PIP, cx_Oracle, Oracle, libcrypt, Modules

How-to: get int value via ADO.net SqlDataReader using column name
21 Ιανουαρίου 19 08:54 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια   

Based on Sam Holder’s answer at https://stackoverflow.com/questions/7388475/reading-int-values-from-sqldatareader/54296026, just contributed an extension method for fetching Int32 values via ADO.net’s SqlDataReader, without jumping through hoops (aka first fetch column ordinal [number] by name, then fetching the int value passing the column ordinal). Would be nice if Microsoft was providing such things out of the box. namespace adonet.extensions […]

Δημοσίευση στην κατηγορία: Posts, Extensions, HowTo, Database, SQL, ADO.net, Int, Column, SqlDataReader

HowTo: Delete all nodes and relationships from Neo4j graph database
18 Απριλίου 15 02:54 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια   

At a Neo4j question in http://stackoverflow.com/questions/19624414/delete-node-and-relationships-using-cypher-query-over-rest-api, a recent reply (older ones use obsolete Cypher syntax) says: Both START and the [r?] syntax are being phased out. It’s also usually not advised to directly use internal ids. Try something like: match (n{some_field:"some_val"}) optional match (n)-[r]-() delete n,r So, to delete all nodes (including disconnected ones) and […]

Δημοσίευση στην κατηγορία: Posts, HowTo, Cypher, Relationships, Query, Graphs, Nodes, Neo4j, Delete, Database