gdax | futures 0.3 tokio compat layer example project | Reactive Programming library
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How to use async, hyper and compat.
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QUESTION
I would like to have the value return a response based on the output of the value within the specified range.
...ANSWER
Answered 2021-Feb-08 at 03:03Read comment lines
QUESTION
I have a program that streams cryptocurrency prices into a flink pipeline, and prints the highest bid for a time window.
Main.java
...ANSWER
Answered 2020-Dec-22 at 09:40I believe the cause of this issue is that the timestamps produced by your custom source are in units of seconds, while window durations are always measured in milliseconds. Try changing
QUESTION
New to APIs in Google sheets, but I feel like I'm 95% of the way to where I'm trying to go.
I'm trying to pull crypto data into my spreadsheet to do a simple 24 hour price comparison and gauge whether the price has gone up or down, maybe use some conditional code to change the background to green or red. Simple enough. Most of the sites that offer APIs have given me various errors, though, so coinbase pro (and weirdly the deprecated gdax) have been most reliable (although I haven't ruled out that it started breaking because I'm now putting in too many call requests).
Found this as a way to get the current price of ETH, for instance:
=VALUE(SUBSTITUTE(SUBSTITUTE(INDEX(IMPORTDATA("https://api.gdax.com/products/ETH-USD/ticker"),0,2), "price:",""), """", ""))
Works like a charm. So I changed the request to target different info, specifically the 24hr stats listed on the API doc, and the first value in that section, "open" for opening price (this ensures I get the price exactly 24hrs earlier). But I got a weird parsing error using the request, which is here:
=VALUE(SUBSTITUTE(SUBSTITUTE(INDEX(IMPORTDATA("https://api.pro.coinbase.com/products/ETH-USD/stats"),0,1), "open:",""), """", ""))
I've figured out the issue, but not the solution. Google Sheets says I am pulling in text. Because the "open" (opening price) value is the first listed in the JSON code, it is pulling in the code bracket from the nested HTML/JSON code. For instance, it says I can't parse "{open" into a number. And I get the same problem in reverse when I pull the last value listed in the stats section, which is "volume_30day:"
=VALUE(SUBSTITUTE(SUBSTITUTE(INDEX(IMPORTDATA("https://api.pro.coinbase.com/products/ETH-USD/stats"),0,6), "volume_30day:",""), """", ""))
This returns an error saying "volume_30day: #}" can't be parsed, so now it is the closing bracket of the JSON code. So I can't use "open" the first item in the API 24hr stats section, or Volume_30day, which is the sixth item on that list, but items 2-5 work just fine. Seems super weird to me, but I've tested it and it is seems to be what's going on.
There must be something stupid I need to tweak here, but I don't know what it is.
...ANSWER
Answered 2020-Dec-02 at 00:39About
=VALUE(SUBSTITUTE(SUBSTITUTE(INDEX(IMPORTDATA("https://api.pro.coinbase.com/products/ETH-USD/stats"),0,1), "open:",""), """", ""))
- When I checked
=SUBSTITUTE(SUBSTITUTE(INDEX(IMPORTDATA("https://api.pro.coinbase.com/products/ETH-USD/stats"),0,1), "open:",""), """", ""), the value is{open:617. I think that when by this, whenVALUEis used for the value, the error occurs.
In order to retrieve the values you expect, I would like to propose to use REGEXREPLACE instead of SUBSTITUTE. The modified formula is as follows.
QUESTION
I have been on a search spree for a while now with no luck, i have the html/javascript code which retrieves and displays Bitcoin price in USD from bitcoininfo, however i want it to self update every 5 seconds using Javascript. In that way, one doesn't need to refresh the page to get the Current price. My code is
...ANSWER
Answered 2020-Aug-16 at 15:28You need to use the setInterval(function, milliseconds) function to do so. It will call a function or evaluate an expression at specified intervals (in milliseconds).
Your javascript code will change to something like this:
QUESTION
there are some concepts that I am not understanding.
I have learned to manipulate objects but when it comes especially from axios I cannot get it.
This is how I am obtaining my data.
...ANSWER
Answered 2020-Apr-15 at 17:14try:
QUESTION
Writing a bash script to connect to GDAX's Websocket Feed at wss://ws-feed.gdax.com but curl doesn't seem to support this as I get
...ANSWER
Answered 2017-Dec-18 at 00:36Well, you can try to mimic the required headers to get some response using curl:
- https://gist.github.com/htp/fbce19069187ec1cc486b594104f01d0 or
- Linux Bash: How to open a websocket connection as client
Also, there are other ways to communicate with a WebSocket server, e.g.
QUESTION
I've got this program to test the behaviour of a exec() function before putting it in My program. I was expecting that in the end I will receive a number represented by b="last_trade_id"(13621701 in the case shown bellow) but all I get is None or ost_tranzakcja
ANSWER
Answered 2018-Apr-02 at 00:26There are two issues that I suspect make your code not do what you want. The main issue is that you can't use exec to directly modify local variables inside a function. It can modify global variables if you're running it at the top level of a module (where the global and local namespaces are the same). But local variables in functions are given special treatment in Python, and you can't always mess with them.
All but one of your exec calls are modifying the dictionary returned by locals() (either by default, when don't pass it a namespace dictionary, or when you are explicitly passing it locals()). Unfortunately, modifications to locals() in a function don't have any effect on the actual variables in the namespace, only (temporarily) in the dictionary object. The modifications will be undone when locals() gets called again and the real value from the namespace gets saved to the dictionary again.
So most of your exec calls have no effect at all. They don't modify a, so you keep printing out it's previous value (either the value you initialized it to, or None after that value gets assigned, for the reason I'll explain next).
The other issue is in the "modified" exec call you make, you're assigning the return value from exec to a. That doesn't do what you seem to expect. The exec function always returns None, and so that is the value a has for the rest of function.
If you want to evaluate a Python expression and return it, use eval instead of exec. You can't put statements in eval though (so only the "modified" call would work as written).
Here are some approaches that could work for you:
QUESTION
Am new to flutter and am having issues giving same values to some of the dropdown items. Here is the code for the dropdown below
...ANSWER
Answered 2019-Oct-22 at 01:18You can use a class to hold name and value. so you can identify duplicate value with name
For demo only, I did not list all you data
code snippet
QUESTION
How do i get the value of variable 'price' and pass it as a global variable so I can use it elsewhere in my program?
...ANSWER
Answered 2017-Sep-28 at 09:21Well, you say you have everything in the same typescript file. Then simply move the variable out of the function
QUESTION
Attempting to connect to the Coinbase GDAX sandbox API with Ruby. Currently using Faraday, but HTTParty or Ruby Core API advice is welcomed.
I am having a hard time making post requests and can't seem to tell where I am messing this up.
A laundry list of error's appear but the top one is:
/System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/net/http/header.rb:18:in
block in initialize_http_header': undefined methodstrip' for 1556021965:Fixnum (NoMethodError)
Coinbase docs: https://docs.pro.coinbase.com/?ruby#signing-a-message
My api call in a nutshell.
...ANSWER
Answered 2019-Apr-23 at 12:54You can check the code at http/header.rb: it calls strip on every header, so every header value should be a string.
I think this is the offending line, you are supplying an integer here as the header value:
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