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Difference between a user and a schema in Oracle?
...other stuff.
SYS is a schema that includes tons of tables, views, grants, etc etc etc.
SYSTEM is a schema.....
Technically -- A schema is the set of metadata (data dictionary) used by the database,
typically generated using DDL. A schema defines attributes of the database, such as
tables, colum...
How do I determine the current operating system with Node.js
...ndows developers. Is there a variable I can check for in Node to run a .sh file in one instance and .bat in another?
10 Ans...
SQL update query using joins
...
UPDATE im
SET mf_item_number = gm.SKU --etc
FROM item_master im
JOIN group_master gm
ON im.sku = gm.sku
JOIN Manufacturer_Master mm
ON gm.ManufacturerID = mm.ManufacturerID
WHERE im.mf_item_number like 'STA%' AND
gm.manufacturerID = 34
To make it cl...
Where can I find the “clamp” function in .NET?
...me core namespace in your project. You can then use the method in any code file that contains a using directive for the namespace e.g.
using Core.ExtensionMethods
int i = 4.Clamp(1, 3);
.NET Core 2.0
Starting with .NET Core 2.0 System.Math now has a Clamp method that can be used instead:
using Sys...
Openstreetmap: embedding map in webpage (like Google Maps)
...y.
Note:
I used the CDN version of Leaflet here, but you can download the files so you can serve and include them from your own host.
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How to correctly dismiss a DialogFragment?
... you explicitly created any resources that require manual cleanup (closing files, closing cursors, etc.). Even then, I would override onStop of the DialogFragment rather than onStop of the underlying Dialog.
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Is Zookeeper a must for Kafka?
...d to have some way to coordinating tasks, state management, configuration, etc across a distributed system. Some projects have built their own mechanisms (think of the configuration server in a MongoDB sharded cluster, or a Master node in an Elasticsearch cluster). Others have chosen to take advanta...
How to check SQL Server version
...ance of SQL Server.
Method 3: Look at the first few lines of the Errorlog file for that instance. By default, the error log is located at Program Files\Microsoft SQL Server\MSSQL.n\MSSQL\LOG\ERRORLOG and ERRORLOG.n files. The entries may resemble the following:
2011-03-27 22:31:33.50 Server M...
What is middleware exactly?
...lowing chief HTTP middleware components.
Exception/error handling
Static file server
Authentication
MVC
As shown in the above diagram, there are various middleware components in ASP.NET which receive the incoming request, and redirect it to a C# class (in this case a controller class).
...
Sum a list of numbers in Python
...gt; a = range(10)
>>> sum(a)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: 'int' object is not callable
>>> del sum
>>> sum(a)
45
It seems that sum has been defined in the code somewhere and overwrites the default functio...