error in file(file, “rt”) : cannot open the connection
Akash Mittal
R throws error in file(file, “rt”) : cannot open the connection, when it’s not able to find the file in the provided path. This could happen either due to wrong…
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Error
164 posts
error: src refspec master does not match any
Git throws error: src refspec master does not match any, due to a number of reasons and most common are – Wrong or spelling mistake in branch name, using older…
TypeError: a bytes-like object is required, not ‘str’ Python – Code Example
Python3 throws the TypeError: a bytes like object is required, not ‘str’, when we try to do string operations on binary values. It generally appears when you open a file…
IndentationError: unindent does not match any outer indentation level
Python throws the error, IndentationError: unindent does not match any outer indentation level, When you mix spaces and tabs in the same code. You can either use tabs or spaces…
ValueError: invalid literal for int() with base 10: ”
Python throws the error, ValueError: invalid literal for int() with base 10: ”, when you pass a float string in int() function. Although, you can pass the string in float()…
How to create for loop inside React JSX?
Yes you an create a for loop inside react JSX with the help of function callback approach. In fact, you can run any code within JSX using this approach. But…
React-router urls don’t work on browser refresh or entered manually
If your react router urls don’t work on browser refresh or when entered manually, then it means you have not configured paths on your server. Simply point all the urls…
How to navigate in React Router programmatically?
This is a common use case when we want to navigate in React router programmatically without using Link or NavLink components. There are many ways of doing that but since…
PHP error 404 on IIS server – How did I solve the error.
I was working on IIS server and trying to run php but got 404 errors on all pages. Although static files were working fine but php were not. In this…
‘dataframe’ object has no attribute ‘sort’ – Python Error
Python throws the error, ‘dataframe’ object has no attribute ‘sort’, because Pandas deprecated sort() function in favor of sort_values() and sort_index(). As, the name indicates, sort_values() is used to sort…
.xauthority does not exist – Linux Error
xauth fails to create .xauthority file and throws error, .xauthority does not exist if either the disk is full and there is no more space to create any new file…
.map is not a function
map() can only be used with Arrays. So, if you are getting error .map is not a function, you are probably using it on either the objects or other variables…
Cannot access ‘variable_name’ before initialization – Svelte Error
Svelte throws the error, Cannot access ‘variable_name’ before initialization, when we try to assign reactive variables declared using $: to non-reactive variables like const, var, let etc. Consider this example…
How to import Firebase only on client in Sapper?
In this article you will learn How to import Firebase only on client in Sapper. Its a two step process which includes putting firebase scripts in template file and using…
How to import css in node_modules to svelte
To import css in node_modules to Svelte, you will need rollup-plugin or Svelte-preprocess. Using rollup-plugin Follow these steps – Step1: Install rollup css plugin Step2: Open rollup.config.js Now we need…
‘method’ object is not subscriptable – Python Error
Python throws error, ‘method’ object is not subscriptable, when a class method is indexed or subscripted using square brackets [] like if its a list or tuple or array. Consider…
‘function’ object is not subscriptable – Python Error
Python throws the error, ‘function’ object is not subscriptable, when we try to index or subscript a python function. Only iterables like array, list, tuples, dictionaries etc. are allowed to…
‘float’ object is not iterable – Python Error
Python throws error, ‘float’ object is not iterable, when we try to loop over a float object. Float values are not iterable in nature. Consider this example – This code…
‘float’ object cannot be interpreted as an integer – Python Error
Python throws the error, ‘float’ object cannot be interpreted as an integer, when you provide float value where int is expected. This happens in case of many built-in functions which…
‘dict’ object has no attribute ‘iteritems’, ‘iterkeys’ or ‘itervalues’ – Python Error
Python throws error, ‘dict’ object has no attribute ‘iteritems’, because iteritems() function is removed from Python 3. Similarly, functions like iterkeys() and itervalues() are also removed. According to Python3.0 Built-in…