.map is not a function
Akash Mittal
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…
How to loop each block on provided length – Svelte
In this article I will show how to loop each block on provided length. This could be done by using either the Array() function or length property. Using Array() –…
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…
%% in r language
%% in r language gives the modulus of two numbers. It is basically the remainder of division of first number by second number. Consider this code – Here we are…
$.ajax is not a function – JQuery Error
JQuery throws the error $.ajax is not a function, when you are using slim version and not full version. Here is the link to slim version of jQuery which excludes…
‘type’ object is not subscriptable – Python Error
Python throws error, ‘type’ object is not subscriptable, when we try to index or subscript an element of type type. Consider this code – The problem with this code is…
‘tuple’ object is not callable – Python Error
Python throws the error, ‘tuple’ object is not callable, when you forget to separate members using comma in single or multidimensional tuples. Consider this example – This code will throw…
‘return’ outside function – Python Error
Python throws error, ‘return’ outside function, if you use return statement without defining a function. return statement can only be used within function definition and not outside it. Consider this…
‘list’ object is not callable – Python Error
Python throws the error ‘list’ object is not callable, when you have assigned a local or global variable as name ‘list’ somewhere in your code. Since list() is a built-in…
‘nonetype’ object is not subscriptable – Python Error
Python throws the error ‘nonetype’ object is not subscriptable, when you assign an array or object to None and then try to access some value using key or index. This…
‘str’ object is not callable – Python Error
Python throws the error, ‘str’ object is not callable, when you use reserved functions like str() as local or global variable. Let’s consider this code example – Did you get…
‘pip’ is not recognized as an internal or external command, operable program or batch file
Python throws the error, ‘pip’ is not recognized as an internal or external command, operable program or batch file, when either the pip is not installed or its path is…
‘module’ object is not callable – Python Error
Python throws the error, ‘module’ object is not callable, when there is conflict with file name and function name and we try to use filename for calling. This is a…