moeda | foreign exchange rates and currency conversion using CLI | Predictive Analytics library
kandi X-RAY | moeda Summary
kandi X-RAY | moeda Summary
A foreign exchange rates and currency conversion using cli. The moeda use historical foreign exchange rates published by the European Central Bank. The rates are updated daily around 4PM CET.
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QUESTION
I have a query made from a select ( and receives 2 dates by parameter, i.e.@DataDe=01/01/2021 and @DataAte=18/05/2021), and i want do get all the distinct values, the total times that distinct value appears and the percentage of that value relative to all values...
My data (some values):
Processo data Proposta 2021-05-05 Proposta 2021-03-30 Proposta 2021-03-31 Adjudicado 2021-04-05 Proposta 2021-04-12 Contacto Inicial 2021-04-29 Contacto Inicial 2021-04-30 Proposta 2021-05-14 Perdido 2021-04-14And my Query :
...ANSWER
Answered 2021-May-18 at 16:31My approach would be the following (SQL Fiddle for reference):
QUESTION
I have a problem with this Custom Hook.
...ANSWER
Answered 2021-May-08 at 11:04I saw you don't return in Selecionar, you need to update to return value:
QUESTION
I'm building an API, I have 2 models User and Coin.
The Coins table stores the default coins that can be added to the user's account.
I need to save the coins ids that the user decided to add in a column of the User model (my_coins), and be able to list only the coins saved by the user.
The problem is that I'm using sqlite3 and I can't save an array in a column
...Routes.rb
ANSWER
Answered 2020-Dec-25 at 23:12As pointed above by @spickermann, seems like what you need is a has and belongs to many associations (HBTM) in both models users and coins, I think this approach is a better fit for your problem, is easy to get/update/create any data with this approach, at least I think is better than an array inside a column of your users table, in case you want to give it a try here is how I will do it:
So on your coin model add the following line:
has_and_belongs_to_many :users;
and in your user model: has_and_belongs_to_many :coins.
Once you added the proper associations to your models you need to generate a migration in order to create your join table, the code in the migration should look like below:
QUESTION
I have this array:
...ANSWER
Answered 2020-Nov-30 at 18:16maybe use 2 foreach, like
QUESTION
Everthing if fine with the code by now but there is a better method to avoid null inputs in Console.ReadLine, I already have tried if statement but the code end up looking like a mess.
...ANSWER
Answered 2020-Nov-09 at 06:50There is a better way of avoiding null inputs in
Console.ReadLineinstead of if statements
The answer is yes.
Though it's worth noting, there are more things that can go wrong with user input than just null. In fact null is pretty rare, it's everything else you need to worry about.
The most idiomatic way to validate user numeric input is with TryParse style methods, which return a bool when the value can't be parsed and returns a value through an out parameter when true.
Converts the string representation of a number to its 32-bit signed integer equivalent. A return value indicates whether the operation succeeded.
You can take it a step further by using a validation loop
QUESTION
I am trying to make an ajax post request to a backend server that is built with .net framework. The backend is a REST API built with c# .net. When i try to make a POST request with postman everything goes well, but when i try to do it with ajax, i dont get any data on the backend. This is the C# code:
...ANSWER
Answered 2020-Nov-06 at 06:35The way I do it and is working is:
QUESTION
He.llo, folks
I'm studying SQL and as a practical exercise i'm trying to import a .csv file from my country's governemnt database.
Basically it's a file that contains 4 rows: Date, coin name, value, qnty and these rows aren't formatted as I need it to be.
Date is ok, it is YYYY-MM-DD
Coin name is ok too, because its a string
And value (coin value, like 0.1 or 10) is ok too because of its formatted with dots only
The problem comes with qnty. Quantity is how much coins/notes are available for citizens, but it is formatted with dots and commas (this is the real problem I can't figure out)
Take this example:
1995-01-02;Moedas - 1a. Família (inox);0.01;834.342.314,00
1995-01-02;Moedas - 1a. Família (inox);0.05;636.711.876,00
1995-01-02;Moedas - 1a. Família (inox);0.10;583.076.666,00
1995-01-02;Moedas - 1a. Família (inox);0.25;146.883.388,00
1995-01-02;Moedas - 1a. Família (inox);0.50;329.791.540,00
Is there someway to convert qnty (e.g: 329.791.540,00) into float?
Thank you!
----- edit 01:17 GMT
I applied REPLACE as Marco said to the whole table
ANSWER
Answered 2020-Nov-06 at 00:41Use the REPLACE() string function, twice; once to replace the dots with nothing, once to replace the decimal comma with a dot, and cast that expression to float - like in this small demo example using your first literal in that format:
QUESTION
So, here's the script. I'm using this api i found on the internet and it works, but when I tried to make it print only the info I want the following error shows up:
...ANSWER
Answered 2020-Sep-06 at 03:11This is the response when you send a get request to the API
QUESTION
I'm trying to retrieve multiple values between two words, delimiting a specific part of the text. The pattern is this:
...ANSWER
Answered 2020-Jul-07 at 22:49I think the complete pattern you are looking for is a year/month where year is four digits and month is 1 or 2 digits, not more, so followed by a [space]. In regular expression form:
QUESTION
I need to calculate values of type float, so, in python, 0.01 is not 0.01 but 0.10000000000000001 + some digits (referenced by python documentation Floating).
Ok, my function needs to calculate the number of coins for each value.
...ANSWER
Answered 2020-Apr-08 at 18:13you can use:
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