ModuleNotFoundError: No module named ‘tensorflow’ in Python
The ModuleNotFoundError “no module named tensorflow” occurs when the user imports the “tensorflow” library in the program without installing it to the system.
The ModuleNotFoundError “no module named tensorflow” occurs when the user imports the “tensorflow” library in the program without installing it to the system.
The “ModuleNotFoundError: No mobile named sklearn” occurs when the user tries to import the “sklearn” module without installing it in Python.
The “ModuleNotFoundError: No module named pip” occurs in Python when the “pip” package manager is not installed in our system.
The “ModuleNotFoundError: No module named PIL” error occurs in Python when a user tries to import a “pillow” module without installing it in Python.
The “ModuleNotFoundError: No module named pandas” occurs when the user tries to access the “pandas” module without installing it in Python.
The “ModuleNotFoundError: no module named matplotlib” occurs in Python when a user tries to import the “matplotlib” module without installing it to a system.
To fix the error “ModuleNotFoundError: No module named requests”, install the “requests” module before importing it. Read out this post to learn more
In Python, the “Local variable referenced before assignment” occurs when you assign a value to a variable that does not have a local scope.
The “[Errno 2] No such file or directory” error occurs when the user tries to access the file that does not present at the particular location.
The error “builtin_function_or_method’ object is not subscriptable” occurs when a user tries to call the built-in method or function using a square bracket.
The error “NameError: name ‘raw_input’ is not defined” occurs when the “raw_input” function is used instead of using “input()” function in Python.
To disable the services of IPv6 on the Ubuntu Linux system, the “sysctl” utility, GRUB bootloader, and GUI methods are provided.
You can easily install the Tor browser in Ubuntu using the PPA repository and GUI method. Also, users can install the Tor browser on other Linux systems.
In the Firefox browser, you can enable the dark mode through the “Default Theme”, “General Settings”, and “Firefox Color” extensions.
In Linux systems, SSH uses Port 22 that can visualize through the “getent” command, “systemctl” command, and “sshd_config” file
The “bash python command not found” error occurs when the python file cannot locate the system directory during execution.
In Ubuntu 22.04 LTS, Google Earth can be installed from the terminal and GUI. For that, you need to download the “.deb” file and then install it.
In Linux, the “du”, “ls”, “stat” and “ncdu” commands are used to check the size of a file from the terminal requiring the file name.
Using the psql prompt, the “\l” and “\dt” command list all current/existing databases and tables in PostgreSQL. Read this post to learn more.
In Linux, the “php –version” or the “php -i” commands are used to check the installed version of PHP. You can also search for specific PHP versions.
The “numpy.ndarray object is not callable” error occurs when the user tries to call an array as a function or uses the same name for a function and variable.
The “TypeError:’int’ object is not iterable” occurs if a user tries to iterate over an integer or pass an integer inside the iterable function, i.e., list().
The “int object is not callable” error occurs due to calling an integer as a function, overriding the int() function, missing a mathematical operator, etc.
The “AttributeError: NoneType object has no attribute append” occurs when a user tries to call an “append()” function on none value.
The ps command in linux is used to display all the running processes in the terminal. Detailed information about the processes will be displayed.
The “ls” command is used to display the information of the content inside a specific directory. This post has briefly demonstrated the usage of the “ls” command
The “tr” command is utilized to transform strings from standard input and display the output after performing operations(deleting, replacing characters, etc.).
To uninstall the applications on Ubuntu, use any of these, apt pkg manager, dpkg manager, snapd utility, and flatpak utility
In Linux, the pwd command prints out the directory you are currently working on and provides an exact path from the root to the current directory.
To remove or delete the symbolic links in Linux, we can use the rm command utility, find, and unlink command utility. Read this post to learn more.
To list the ufw rules, run the command “sudo ufw status”. To delete the rules, use the “sudo ufw delete [port number]” or “sudo ufw delete [port number]”.
To check the PostgreSQL version using the terminal, run the command “ psql –version” in Linux terminal and use the command “SELECT version();” in the SQL shell.
To change the users’ password in Linux, use the commands “passwd” or “chpasswd” in the terminal or open the “Users” option in Settings using the GUI method
The diff command is used to make the comparison between two files comparing their every line. The diff command comes pre-installed in Linux distributions
The “TypeError: object of type NoneType has no len()” occurs when the “None” value is passed to the “len()” function in Python.
The error “tuple object is not callable” occurs when a tuple is accessed incorrectly, calling the tuple as a function, overriding a tuple, etc
The “TypeError: int object is not subscriptable“ occurs in Python when the integer value is accessed using the index or the integer value is treated as a list.
The “TypeError: float object is not iterable” occurs if the float is passed within the built-in iterable function or the user tries to iterate over the float
The “is” and “is not” operators, “==” and “!=” operators, and “if-else” Statements are used to check the “Null/None” variable in Python.
To open a text file in a Linux terminal, we can use the “cat”, “head”, “tail”, “more”, “less”, “nl”, and “xdg-open” commands and text editors, “nano” and “vim”.
To clear the terminal history in Linux, either run the “history -c” command or clear the history after each logout using “cat /dev/null > ~/.bash_history”.
First, download the XAMPP installer from its official website. Then, make it executable and run the installer to start the installation of XAMPP.
The “list object is not callable” error occurs due to incorrect list accessing, calling list as a function, overriding list, and same name for function and list
Python’s “return” function has a “return” statement inside the function, and when executed, it sends back the value to the main program.
To calculate the power of a number “math.pow()” function is utilized in the Python program. It returns a value of base raised to a power of exponent
To calculate the exponent power of numeric value, the “math.exp()” function is used. It cannot be used with non-numeric values.
To find the index of the first occurrence of a substring in a string, the “str.index()” and “str.find()” functions are used in Python.
The “IndexError: list assignment index out of range” occurs when a value is added/assigned to an index that does not exist in the given list.
To delete column(s) of pandas DataFrame, the “drop()” function, “pop()” function, and the “del” keyword is used in Python.
To execute a specified function on each of the elements of an iterable such as a tuple, list, etc., the “map()” function is used in Python.
In Python, the “__init__()” function is used to initialize the value of the object attribute of the class. It calls automatically when the object is created
In Python, the function ” dataframe.isin() ” is used to determine whether every element/item in a data frame is included in a value.
To get the cross-product of the input vector arrays, the “np.cross()” function of the “Numpy” library is utilized in Python.
The “NameError: name ‘X’ is not defined” occurs in Python when the operated variable or function is not defined or accessed before defining it in the program
To reverse a string in Python, the “string slicing”, “for” loop, “while” loop, “recursion” function, and “reversed()” function are used.
To use the ps aux command in Linux, simply run the ps command with aux options which are used to display the information the all running possesses.
The exponent operators are used to calculate the exponent value of given numbers. The given numbers have two values i.e., base and exponent.
In Linux, the netcat command is utilized to monitor the data across multiple devices within the network. This post has briefly explained the netcat command
The “SyntaxError: invalid character” occurs in Python when an invalid or non-printable Unicode character is used in a Python program.
The “KeyError: 0 exception” occurs in Python when we try to access a “0” key in the given dictionary where the key value is not present.
The error “IndexError: tuple index out of range” occurs in Python when the accessed item does not exist in the given range of the tuple
In Ubuntu 22.04, the Homebrew can be installed and uninstalled using the install.sh and uninstall.sh scripts available on GitHub.
In Ubuntu 22.04, the “sudo apt install traceroute command is utilized to install the traceroute. It is invoked through the “traceroute” keyword
In Python, the “min()” function returns the lowest value of multiple elements passed inside the parentheses or retrieves the lowest value of any iterable.
To fix the “ValueError: could not convert string to float” error, the “str.repalce()”, “re.findall()” and “try-except” is used in Python
This error occurs due to various reasons, such as not separating the list by comma, accessing a list incorrectly, or using the list as a dictionary.
In Python, the “ModuleNotFoundError: No module named numpy” occurs when the “numpy” library is imported without being installed.
The “ModuleNotFoundError: No module named cv2” problem occurs in a Python program when the OpenCV library is not installed on the system.
To split the elements of the list, the “split()” method, “List Comprehension”, “numpy.array_split()”, and “partition()” methods are used in Python.
To install the timeshift in Ubuntu 22.04, use the command “sudo apt install timeshift -y” in the terminal. It can also be installed from Ubuntu Software Center