Arun Singh

How can I approach listing schemas in Postgresql?

In the context of SQL, to list all the schemas in a PostgreSQL you can use the following command:- SELECT schema_name FROM information_schema.schemata; Here is a step-by-step guide of how you can easily connect to the Postgresql database and implement this above Command:- Connect to the Postgresql Firstly, you would…

SQL Server

Answered Jun 13, 2024 · 878 Views Read answer →

When should I use the JAVA generic interface design?

You use the JAVA generic interface when your implementation is likely to be generic as well. For example, any data structure that can accept arbitrary objects is a good candidate for a generic interface. Examples: List and Dictionary. Any situation where you want to improve type safety in a generalised way is a good…

Java

Answered Oct 11, 2022 · 1.5K Views Read answer →

Explain ffmpeg Java wrapper.

That is a natural restriction on video encoding. On modern machines 1 minute of 720p video is encoded approximately in 1 minute. You can save a lot of time if you do not need re-encoding (i.e. changing codec or video size) by using -codec copy ffmpeg option. Also you said you have 64 cores, but your code uses only 1…

Java

Answered Oct 6, 2022 · 1.8K Views Read answer →

Is it possible to force http in an ssl enabled website?

A page which is secured with SSL (or TLS for that matter) cannot be accessed via force HTTP, as that would mean that the page is not secure anymore. If I rephrase the question: Is it possible to access a particular page of a HTTPS secured website via HTTP, then I would say that is possible, but very INsecure.…

Cyber Security

Answered Sep 23, 2022 · 1.2K Views Read answer →

How do I build a string for database query Salesforce?

I'd recommend building such dynamic queries using a library such as Query.apex. Using this library, your statement becomes: List leads = new Query('Lead') .selectFields('Company') .addConditionLike('Company', '%compagnia%') .run();This would also solve injection automatically. Moreover, you would end up having less…

Salesforce

Answered Sep 23, 2022 · 1.3K Views Read answer →

What is the best way to include SQL Server Agent jobs in Source Control?

I'm really glad you asked this question. I had this very same need for SQL Server jobs in a Visual Studio database project and SQL Server job deployments along with a database. I wanted the solution file to contain everything that is needed for the SQL database process I had implemented, all in one place, to Create…

SQL Server

Answered Jul 12, 2021 · 2.6K Views Read answer →

Why there is no incremental backup in sql server [closed]

It seems you are coming to SQL Server from Oracle background and hence looking for similar terminology. Incremental backup in Oracle is similar to that of sql server differential backup. Below is definition of Incremental backup from Oracle: An incremental backup copies only those blocks in a data file that change…

SQL Server

Answered Jul 3, 2021 · 1.4K Views Read answer →

Mongoose subdocuments vs nested schema

In Mongoose, the subdocuments are considered to be those documents that are embedded inside the other documents. The instance that you have shown, both are implying the same thing that is embedded documents. There are no pros and cons regarding the subdocuments and nested documents. The nested schema is very similar…

Big Data Hadoop

Answered Jun 24, 2021 · 4.4K Views Read answer →

Mongoose Schema hasn't been registered for model

Java

Answered Jun 22, 2021 · 2.3K Views Read answer →

How can I remove the error bad operand type for unary +: 'str'. in a my looped sentence

Python

Answered Jun 7, 2021 · 2.3K Views Read answer →

error: cannot lock ref-Git and nasty “error: cannot lock existing info/refs fatal”

I was facing error:cannot lock ref and the solution worked for me: git remote prune originWhat this will do is it removes references to remote branches in the folder git/refs/remotes/origin. So this will not affect your local branches and it will not change anything remotely, but it will update the local references…

Devops

Answered May 5, 2021 · 2.9K Views Read answer →

Python print statement “Syntax Error: invalid syntax” [duplicate]

To remove python print invalid syntax error in Python 3 version print id considered as a function so it needs to be inside the parathesis as shown below: print("Hello World") Note: While using python code Make sure you are not using a Python keyword for a variable name. Check that you have a colon at the end of the…

Python

Answered Apr 14, 2021 · 1.5K Views Read answer →