Charles Parr

What is the significance of Case when statement in the context of SQL queries?

The “SQL case when” is a type of statement in SQL queries. It is used in conditional logic. It offers a powerful conditional logic mechanism within queries. Thereafter, it allows the user to evaluate the conditions. It provides a return of specific values based on specific conditions. Its syntax usually includes…

SQL Server

Answered Nov 8, 2023 · 772 Views Read answer →

What is the purpose of #include in C++ language?

The #include iostream.h is a command in a C++ program. It signifies the incorporation of input/output operations. Therefore, this command allows C++ to grant access to fundamental input and output functions, such as cin and cout. It allows also interaction with the console. However, one fact you should remember is…

Java

Answered Nov 8, 2023 · 769 Views Read answer →

What is the significance of git cherry pick in version control?

Git cherry pick is here to serve specific commits from one branch to another branch. This command mainly enables the selection and application of individual commits. Certainly, it enables it by the reference of unique commit hashes. If you want to use git cherry pick identify the commit hash of the change which you…

QA Testing

Answered Nov 7, 2023 · 788 Views Read answer →

What is the use of in file:///sdcard: in the context of file accession on the Android device?

The file:///sdcard: is a type of reference URI, which stands for Uniform Resource Identifier. It is commonly used in your Android system. It is used in Android to access the files that are stored in the internal storage of your phone. The reference refers to the area ere your files are stored. When you use this URI in…

Android App Development

Answered Nov 2, 2023 · 1.3K Views Read answer →

What are the -Xms and -Xmx parameters when starting JVM?

The Xms and Xmx are parameters that are used in Java Virtual Machines (JVMs). These are used to define the initial and maximum heap sizes. Heal sizes refer to the allocated memory in your device's Random Access Memory( RAM), which is specially dedicated to running Java programs. In the context of JVM, the heap is the…

Java

Answered Nov 2, 2023 · 1.5K Views Read answer →

What is meant by compare to() method in Java?

The compareTo method is mainly used in Java applications. It is used commonly in Java to compare two objects. Mainly the comparison is done by this method in between sorting purposes. It allows you to compare two objects based on their natural ordering. The first function and feature of the compareto Java method is…

Java

Answered Nov 2, 2023 · 771 Views Read answer →

How to download psql mac?

To download psql mac: Locate the psql binary. (In a terminal, run locate psql | grep /bin, and make note of the path. (In my case, it's /opt/local/lib/postgresql90/bin/, as it was installed using MacPorts.) Then, edit the .bash_profile file in your home folder (e.g. mate -w ~/.bash_profile assuming you've textmate),…

SQL Server

Answered Sep 29, 2022 · 899 Views Read answer →

How to download psql mac?

To download psql mac: Locate the psql binary. (In a terminal, run locate psql | grep /bin, and make note of the path. (In my case, it's /opt/local/lib/postgresql90/bin/, as it was installed using MacPorts.) Then, edit the .bash_profile file in your home folder (e.g. mate -w ~/.bash_profile assuming you've textmate),…

SQL Server

Answered Sep 29, 2022 · 957 Views Read answer →

Is SQL Server Snapshot Isolation Good?

I was looking at an "isolation levels comparison" table and saw that serializable and snapshot isolation solve all problems with concurrent transactions. However, serializable is very slow. Can I use snapshot isolation for all write transactions? I don't want chaos in my tables. My business logic is hard and always…

SQL Server

Answered Aug 14, 2021 · 1.1K Views Read answer →

How to print objects of class using print function in Python

It can be done as shown below: class Element: def __init__(self, name, symbol, number): self.name = name self.symbol = symbol self.number = number def __str__(self): return str(self.__class__) + ": " + str(self.__dict__) And then, elem = Element('my_name', 'some_symbol', 3) print(elem) produces __main__.Element:…

Python

Answered Jul 19, 2021 · 1.3K Views Read answer →

What's the difference between Audience Builder and Audience Studio?

Audience Studio (AS) is a completely separate product. I believe it used to be called SFMC DMP. It allows you to ingest a ton of data from locations outside of SFMC and create audiences and segmentations for smarter marketing based off of that. These audiences are then used in Journey Builder, Email Sends, etc.…

Business Analyst

Answered Jul 19, 2021 · 1.5K Views Read answer →

How to correct TypeError: Unicode-objects must be encoded before hashing?

On getting message “unicode objects must be encoded before hashing”, you can use the below-mentioned piece of code to get rid of the error:- wordlistfile = open(wordlist,"r",encoding='utf-8') Or, if you're working on a line-by-line basis: line.encode('utf-8')

Python

Answered Jun 8, 2021 · 3.1K Views Read answer →