Python: Tudo o que você tinha vergonha de perguntar
January 06, 2020Python Basic cheatsheet for Python mostly based on the book written by Al Sweigart, Automate the Boring Stuff with Python under the Creative…
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Python tudo sobre Generators
January 05, 2020Glossary of Generator Produce value via generator Unpacking Generators Implement Iterable object via generator Send message to generator…
Python tudo sobre Sets
January 05, 2020Set comprehension Uniquify a List Union Two Sets Append Items to a Set Intersection Two Sets Common Items from Sets Contain b contains a a…
Python tudo sobre novidades no Python3
January 05, 2020============== is a function New in Python 3.0 PEP 3105 - Make print a function Python 2 Python 3 String is unicode New in Python 3.0 PEP…
Python tudo sobre segurança
January 05, 2020Simple https server Generate a SSH key pair Get certificate information output: Generate a self-signed certificate output: Prepare a…
Python tudo sobre Testes
January 05, 2020A simple Python unittest Python unittest setup & teardown hierarchy output: Different module of setUp & tearDown hierarchy output: Run tests…
Python tudo sobre Funções
January 05, 2020A function can help programmers to wrap their logic into a task for avoiding duplicate code. In Python, the definition of a function is so…
Python tudo sobre Arquivos e I/O
January 05, 2020Read a File In Python 2, the content of the file which read from file system does not decode. That is, the content of the file is a byte…
Python tudo sobre Future
January 05, 2020Future statements tell the interpreter to compile some semantics as the semantics which will be available in the future Python version. In…
Python tudo sobre C Extensions
January 05, 2020Occasionally, it is unavoidable for pythoneers to write a C extension. For example, porting C libraries or new system calls to Python…
Python tudo sobre Style
January 05, 2020Naming Class Bad Good Function Bad Good Variable Bad Good Acesse a Referência original 1: Acesse a Referência original 2:
Python tudo sobre Typing
January 05, 2020PEP 484, which provides a specification about what a type system should look like in Python3, introduced the concept of type hints. Moreover…
Python tudo sobre SQLAlchemy
January 05, 2020Set a database URL output: Sqlalchemy Support DBAPI - PEP249 Transaction and Connect Object Metadata - Generating Database Schema Inspect…
Python tudo sobre Asyncio
January 05, 2020======= asyncio.run New in Python 3.7 Future like object Future like object other task Patch loop runner Put blocking task into Executor…
Python para iniciantes
January 05, 2020============ The main goal of this cheat sheet is to collect some common and basic semantics or snippets. The cheat sheet includes some…
Python tudo sobre Regex Expressões regulares
January 05, 2020================== Compare HTML tags tag type format example all tag…
Python tudo sobre SSH Secure Shell
January 05, 2020Login ssh Acesse a Referência original 1: Acesse a Referência original 2:
Python tudo sobre Listas
January 05, 2020The list is a common data structure which we use to store objects. Most of the time, programmers concern about getting, setting, searching…
Python tudo sobre Classes e Objectos
January 05, 2020List Attributes Get Instance Type Declare a Class Equals to Has / Get / Set Attributes Check Inheritance Get Class Name New and Init will…
Python tudo sobre Dicionários
January 05, 2020Get All Keys Get Key and Value Find Same Keys Set a Default Value returns its default value if key is not in the dictionary. However, if…
Python tudo sobre Unicode
January 05, 2020The main goal of this cheat sheet is to collect some common snippets which are related to Unicode. In Python 3, strings are represented by…
Python tudo sobre Concurrency
January 05, 2020Execute a shell command Create a thread via “threading” Performance Problem - GIL Consumer and Producer Thread Pool Template Using…
Python tudo sobre Sockets
January 05, 2020Socket programming is inevitable for most programmers even though Python provides much high-level networking interface such as httplib…
Python como usar o average_by
January 04, 2020Returns the average of a list, after mapping each element to a value using the provided function. Use to map each element to the value…
Python como usar o every
January 04, 2020Returns if the provided function returns for every element in the list, otherwise. Use in combination with and to check if returns…
Python como usar o min_n
January 04, 2020Returns the minimum elements from the provided list. If is greater than or equal to the provided list’s length, then return the original…
Python como usar o capitalize_every_word
January 04, 2020Capitalizes the first letter of every word in a string. Use to capitalize first letter of every word in the string. Acesse a Referência…
Python como usar o initial
January 04, 2020Returns all the elements of a list except the last one. Use to return all but the last element of the list. Acesse a Referência original…
Python como usar o min_by
January 04, 2020Returns the minimum value of a list, after mapping each element to a value using the provided function. Use with to map each element to a…
Python como usar o cast_list
January 04, 2020Casts the provided value as a list if it’s not one. Use to check if the given value is enumerable and return it by using or encapsulated…
Python como usar o is_anagram
January 04, 2020Checks if a string is an anagram of another string (case-insensitive, ignores spaces, punctuation and special characters). Use to remove…
Python como usar o sum_by
January 04, 2020Returns the sum of a list, after mapping each element to a value using the provided function. Use with to map each element to a value…
Python como usar o factorial
January 04, 2020Calculates the factorial of a number. Use recursion. If is less than or equal to , return . Otherwise, return the product of and the…
Python como usar o degrees_to_rads
January 04, 2020Converts an angle from degrees to radians. Use and the degrees to radians formula to convert the angle from degrees to radians. Acesse a…
Python como usar o max_n
January 04, 2020Returns the maximum elements from the provided list. If is greater than or equal to the provided list’s length, then return the original…
Python como usar o values_only
January 04, 2020Returns a flat list of all the values in a flat dictionary. Use to return the values in the given dictionary. Return a of the previous…
Python como usar o last
January 04, 2020Returns the last element in a list. use to return the last element of the passed list. Acesse a Referência original 1: Acesse a Referência…
Python como usar o all_unique
January 04, 2020Returns if all the values in a list are unique, otherwise. Use on the given list to remove duplicates, use to compare its length with…
Python como usar o initialize_list_with_values
January 04, 2020Initializes and fills a list with the specified value. Use list comprehension and to generate a list of length equal to , filled with the…
Python como usar o similarity
January 04, 2020Returns a list of elements that exist in both lists. Use list comprehension on to only keep values contained in both lists. Acesse a…
Python como usar o bifurcate_by
January 04, 2020Splits values into two groups according to a function, which specifies which group an element in the input list belongs to. If the function…
Python como usar o flatten
January 04, 2020Flattens a list of lists once. Use nested list comprehension to extract each value from sub-lists in order. Acesse a Referência original…
Python como usar o curry
January 04, 2020Curries a function. Use to return a new partial object which behaves like with the given arguments, , partially applied. Acesse a…
Python como usar o compose_right
January 04, 2020Performs left-to-right function composition. Use to perform left-to-right function composition. The first (leftmost) function can accept…
Python como usar o find_parity_outliers
January 04, 2020Given a list, returns the items that are parity outliers. Use with a list comprehension to count even and odd values in the list, use to…
Python como usar o average
January 04, 2020Returns the average of two or more numbers. Use to sum all of the provided, divide by . Acesse a Referência original 1: Acesse a…
Python como usar o union
January 04, 2020Returns every element that exists in any of the two lists once. Create a with all values of and and convert to a . Acesse a Referência…
Python como usar o max_by
January 04, 2020Returns the maximum value of a list, after mapping each element to a value using the provided function. Use with to map each element to a…
Python como usar o capitalize
January 04, 2020Capitalizes the first letter of a string. Capitalize the first letter of the string and then add it with rest of the string. Omit the…
Python como usar o unique_elements
January 04, 2020Returns the unique elements in a given list. Create a from the list to discard duplicated values, then return a from it. Acesse a…
Python como usar o median
January 04, 2020Finds the median of a list of numbers. Sort the numbers of the list using and find the median, which is either the middle element of the…
Python como usar o fibonacci
January 04, 2020Generates a list, containing the Fibonacci sequence, up until the nth term. Starting with and , use to add the sum of the last two numbers…
Python como usar o function_name
January 04, 2020Given a predicate function, , and a string, this curried function will then take an object to inspect by calling the property and passing…
Python como usar o kebab
January 04, 2020Converts a string to kebab case. Break the string into words and combine them adding as a separator, using a regexp. Acesse a Referência…
Python como usar o clamp_number
January 04, 2020Clamps within the inclusive range specified by the boundary values and . If falls within the range, return . Otherwise, return the…
Python como usar o digitize
January 04, 2020Converts a number to a list of digits. Use combined with on the string representation of and return a list from the result. Acesse a…
Python como usar o compose
January 04, 2020Performs right-to-left function composition. Use to perform right-to-left function composition. The last (rightmost) function can accept…
Python como usar o decapitalize
January 04, 2020Decapitalizes the first letter of a string. Decapitalize the first letter of the string and then add it with rest of the string. Omit the…
Python como usar o filter_unique
January 04, 2020Filters out the unique values in a list. Use a to get the count of each value in the list. Use list comprehension to create a list…
Python como usar o shuffle
January 04, 2020Randomizes the order of the values of an list, returning a new list. Uses the Fisher-Yates algorithm to reorder the elements of the list…
Python como usar o count_by
January 04, 2020Groups the elements of a list based on the given function and returns the count of elements in each group. Use to map the values of the…
Python como usar o max_element_index
January 04, 2020Returns the index of the element with the maximum value in a list. Use and to get the maximum value in the list and return its index…
Python como usar o palindrome
January 04, 2020Returns if the given string is a palindrome, otherwise. Use and to convert to lowercase and remove non-alphanumeric characters from the…
Python como usar o in_range
January 04, 2020Checks if the given number falls within the given range. Use arithmetic comparison to check if the given number is in the specified range…
Python como usar o group_by
January 04, 2020Groups the elements of a list based on the given function. Use and to map the values of the list to the keys of an object. Use list…
Python como usar o spread
January 04, 2020Flattens a list, by spreading its elements into a new list. Loop over elements, use if the element is a list, otherwise. Acesse a…
Python como usar o head
January 04, 2020Returns the head of a list. Use to return the first element of the passed list. Acesse a Referência original 1: Acesse a Referência…
Python como usar o is_divisible
January 04, 2020Checks if the first numeric argument is divisible by the second one. Use the modulo operator () to check if the remainder is equal to…
Python como usar o byte_size
January 04, 2020Returns the length of a string in bytes. Use to encode the given string and return its length. Acesse a Referência original 1: Acesse a…
Python como usar o transpose
January 04, 2020Returns the transpose of a two-dimensional list. Use to get the passed list as tuples. Use in combination with to create the transpose of…
Python como usar o compact
January 04, 2020Removes falsey values from a list. Use to filter out falsey values (, , , and ). Acesse a Referência original 1: Acesse a Referência…
Python como usar o n_times_string
January 04, 2020Prints out the same string a defined number of times. Repeat the string times, using the operator. Acesse a Referência original 1: Acesse…
Python como usar o rads_to_degrees
January 04, 2020Converts an angle from radians to degrees. Use and the radian to degree formula to convert the angle from radians to degrees. Acesse a…
Python como usar o sample
January 04, 2020Returns a random element from a list. Use to generate a random number that corresponds to an index in the list, return the element at that…
Python como usar o symmetric_difference
January 04, 2020Returns the symmetric difference between two iterables, without filtering out duplicate values. Create a from each list, then use list…
Python como usar o offset
January 04, 2020Moves the specified amount of elements to the end of the list. Use and to get the two slices of the list and combine them before returning…
Python como usar o map_values
January 04, 2020Creates an object with the same keys as the provided object and values generated by running the provided function for each value. Use to…
Python como usar o is_odd
January 04, 2020Returns if the given number is odd, otherwise. Checks whether a number is even or odd using the modulo () operator. Returns if the…
Python como usar o all_equal
January 04, 2020Checks if all elements in a list are equal. Use and to compare all the values in the given list. Acesse a Referência original 1: Acesse a…
Python como usar o longest_item
January 04, 2020Takes any number of iterable objects or objects with a length property and returns the longest one. If multiple objects have the same…
Python como usar o is_even
January 04, 2020Returns if the given number is even, otherwise. Checks whether a number is odd or even using the modulo () operator. Returns if the…
Python como usar o split_lines
January 04, 2020Splits a multiline string into a list of lines. Use and to match line breaks and create a list. provides similar functionality to this…
Python como usar o difference_by
January 04, 2020Returns the difference between two lists, after applying the provided function to each list element of both. Create a by applying to each…
Python como usar o reverse_string
January 04, 2020Returns the reverse of a string. Use string slicing to reverse the string. Acesse a Referência original 1: Acesse a Referência original 2:
Python como usar o keys_only
January 04, 2020Returns a flat list of all the keys in a flat dictionary. Use to return the keys in the given dictionary. Return a of the previous result…
Python como usar o intersection_by
January 04, 2020Returns a list of elements that exist in both lists, after applying the provided function to each list element of both. Create a by…
Python como usar o initialize_list_with_range
January 04, 2020Initializes a list containing the numbers in the specified range where and are inclusive with their common difference . Use and to…
Python como usar o delay
January 04, 2020Invokes the provided function after milliseconds. Use to delay the execution of by seconds. Acesse a Referência original 1: Acesse a…
Python como usar o deep_flatten
January 04, 2020Deep flattens a list. Use recursion. Use with to check if an element is iterable. If it is, apply recursively, otherwise return . Acesse…
Python como usar o unfold
January 04, 2020Builds a list, using an iterator function and an initial seed value. The iterator function accepts one argument () and must always return a…
Python como usar o count_occurences
January 04, 2020Counts the occurrences of a value in a list. Increment a counter for every item in the list that has the given value and is of the same type…
Python como usar o bifurcate
January 04, 2020Splits values into two groups. If an element in is , the corresponding element in the collection belongs to the first group; otherwise, it…
Python como usar o intersection
January 04, 2020Returns a list of elements that exist in both lists. Create a from and , then use the built-in set operator to only keep values contained…
Python como usar o some
January 04, 2020Returns if the provided function returns for at least one element in the list, otherwise. Use in combination with and to check if…
Python como usar o every_nth
January 04, 2020Returns every nth element in a list. Use to create a new list that contains every nth element of the given list. Acesse a Referência…
Python como usar o initialize_2d_list
January 04, 2020Initializes a 2D list of given width and height and value. Use list comprehension and to generate rows where each is a list with length…
Python como usar o difference
January 04, 2020Returns the difference between two iterables. Create a from , then use list comprehension on to only keep values not contained in the…
Python como usar o most_frequent
January 04, 2020Returns the most frequent element in a list. Use to get the unique values in the combined with to find the element that has the most…
Python como usar o filter_non_unique
January 04, 2020Filters out the non-unique values in a list. Use a to get the count of each value in the list. Use list comprehension to create a list…
Python como usar o lcm
January 04, 2020Returns the least common multiple of a list of numbers. Use , and over the given list. Acesse a Referência original 1: Acesse a Referência…
Python como usar o camel
January 04, 2020Converts a string to camelcase. Use to replace any or with a space, using the regexp . Use to capitalize the first letter of each word…
Python como usar o chunk
January 04, 2020Chunks a list into smaller lists of a specified size. Use and to create a list of the desired . Use on the list and fill it with splices…
Python como usar o tail
January 04, 2020Returns all elements in a list except for the first one. Return if the list’s length is more than , otherwise, return the whole list…
Python como usar o snake
January 04, 2020Converts a string to snake case. Break the string into words and combine them adding as a separator, using a regexp. Acesse a Referência…
Python como usar o has_duplicates
January 04, 2020Returns if there are duplicate values in a flat list, otherwise. Use on the given list to remove duplicates, compare its length with the…
Python como usar o union_by
January 04, 2020Returns every element that exists in any of the two lists once, after applying the provided function to each element of both. Create a by…
Python como usar o gcd
January 04, 2020Calculates the greatest common divisor of a list of numbers. Use and over the given list. Acesse a Referência original 1: Acesse a…
Python como usar o when
January 04, 2020Tests a value, , against a function, conditionally applying a function. Check if the value of is and if so return , otherwise return…
Python como usar o none
January 04, 2020Returns if the provided function returns for at least one element in the list, otherwise. Use and to check if returns for all the…
Python como usar o zip
January 04, 2020Creates a list of elements, grouped based on the position in the original lists. Use combined with to get the length of the longest list…
Python como usar o symmetric_difference_by
January 04, 2020Returns the symmetric difference between two lists, after applying the provided function to each list element of both. Create a by applying…