Select max date and the date before

I have a data table which is updated every day except Saturday and Sunday. The problem lies in so that when I retrieve data with max (date) and max (date) -1 But it fails when I try to retrieve...

Any r package available to calculate IRR from uneven payments on specific dates?

Are there any R packages available that have some form of function that can calculate IRR based on uneven payments on specific dates for a lump sum distribution. Example: df <- data.frame(date =...

Programmatically access Currency Exchange Rates from Yahoo Finance by Date

I found the answer to this question VERY useful, but I would like to also get exchange rates for dates in the past, not just today's exchange rates. I'm writing an iPhone app that uses the...

Why don't view debug rows that generates by System.debug() method in Salesforce?

I have created a batchable class for a production system. If following code doesn't work, any code does not work. The code is in production system now. It takes daily exchange rates from a site...

How to sum up different currencies in Rails app?

I am currently building a Ruby on Rails invoicing application that is multilingual and supports a range of currencies. In the dashboard view all invoices a user has produced are totalled. Now it...

Getting currency conversion data from Yahooapis now that iGoogle is gone

Up until yesterday I had a perfectly working budget organizer site/app working with iGoogle. Through PHP, using the following little...

rate exchange currency converter error

I do not have coding related problem here. I want some details about currency converter API. $l_json_from = $this->currency->format($total_row['value'], false, false, false); $l_url =...

Any way to tell if an arbitrary .docx file is in the Strict Office Open XML format vs. the Transitional format? (ECMA-376)

I've searched around the web, and haven't found any procedure or tool that can distinguish those .docx files that are encoded as Strict ECMA-376 and those that are not. (same drill for .xlsx...

Rails - call method on a field within a where clause

I want to extract the exchange rates from today(ie. the exchange rates have a time field of type DateTime and from this I want to extract the day). I want to do something like...

VBA - Pull changing exchange rates from Oanda

I'm doing a project and need help getting started. Essentially what I am doing is pulling data with changing parameters every single day and need the exchange rate for the average period. Example:...

Yahoo Finance API Error 400 in Asia

We use Yahoo Finance API CSV http://download.finance.yahoo.com/d/quotes.csv in our financial software, to get currency exchange rates. As of today, customers from Asia are complaining that it's...

Unable to access visa.com with file_get_contents

I'm trying to build a simple PHP page that pulls today's EURUSD exchange rate from Visa.com. The URL is...

PortfolioAnalytics - ROI optimize.rebalancing using redenominated monthly prices produces incorrect result?

Hope that someone could help or has experienced a similar situation to point me in the direction of what is going wrong. Here is my setup (see hopefully reproducible code further below): build a...

Today's Currency Exchange Rate in VBA

I am trying to convert a value to NOK(USD to NOK for instance), but I have trouble getting the whole html page to load. I am using the code found here , but the the html i get in return display...

Currency Exchange - How to call a function within a function from onclick

Stackers: I coded up a foreign exchange calculator (Indian Rupees to US Dollars) with additions for the Indian counting system of crore and lakh. It works well enough as you see here: [Foreign...

How to write a DAX measure based on both current row and slicer context?

Background Info: For each row in an international sales table, I need to retrieve the USD exchange rate at a specific date in the past, so that analysts can determine the impact of changes in...

Yahoo Finance YQL query not working. Did something change?

For the past year I have been able to use Yahoo YQL Rest query to obtain the currency exchange rates; however, today it has stopped working for some odd...

Broadcast receiver OnReceive not being called in Xamarin Android

I'm not usually posting questions on forums like this one, but today my frustration reached the sky. I am trying to implement a solution that would let me update the Exchange rate list in my...

Getting Exchange Rates for Historical and Using Today's Rate for Future Dates

There is a table A which has Start and End Date, Price and CurrencyCode. There is a table B which has historical + Today's Exchange Rates. I need to convert table A Price based on the following...

Hyperledger chaincode external service calls

Is it possible to make external service calls from chaincode? For example, if I need to lookup the current exchange rate or today's temperature using a public API how can I make that call from the...

Multi currency information system, SQL inaccuracy

I am working on development of information system which must handle multi currencies ( USD, EUR, JPY ). Let's say, user can add products to system. User adds product #1 on 13 Feb 2017, price...

python pandas: accessing datetime series for currency conversion

I have a Panda dataframe as below: >>> df.head() Date From To Currency Net TransID 4569219 2015-02-21 Calzada Michael MXN 2396.0 5630763 ...

How to extract dynamic website data with Google Script?

I'd like to locate the exchange rate data from this website. I believe it is a so called dynamic website (Sorry, I am new to javascript) and the data is located somewhere else. May I know how to...

Google App Script: Convert Currency, but keep value from moment of conversion

I've built myself a rather fancy finance tracking spreadsheet, but have run into the following problem: I track my expenses with two values: amount and currency. Then, in the next column, I use...

Microsoft Graph Security API Gives 206, Empty `values`

I am trying to retrieve security events and/or alerts from the Microsoft Graph Security API. The end goal is to get EOP events. When I submit the request: GET...

URL loads in the browser, but not in the terminal (curl or Node.js)

I want to make a GET request to https://www.bnro.ro/nbrfxrates.xml (the National Bank of Romania) to get the exchange rates for today. While the XML document loads fine in the browser (tested in...

Is this a pure function?

Most sources define a pure function as having the following two properties: Its return value is the same for the same arguments. Its evaluation has no side effects. It is the first condition...

Dynamic price and filter by price widget woocommerce

I use the «Exchange Rates Today» plugin to display prices based on the exchange rate (the developer apparently no longer supports it). But the plugin still works for me as it should: the cost of...

Why AlphaVantage doesn't provide recent data

I'm using the API of AlphaVantage.co to get daily stock data. It seems to be nice because it provides exchange rates US, Europe and the world + currency exchange + crypto currency. Unfortunatly in...

Turn on Android LE scanning without asking user for permission

Some surveys and analytics showed that users very often turn down Location Permission request appearing in the mobile app even if this permission is crucial for the app, e.g. the app performs...