Compare Dune Analytics vs. Footprint Analytics?
How to choose an analytic platform for your DeFi dashboard?
I found several defi analytics platforms from the internet, Dune Analytics and Footprint Analytics, and I feel there are some differences. I am concerned about whether the data is complete and whether it can be quickly made into reports for the team data analysis in order to clarify the investment direction.
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SNP_SESSION Table shows value null in ERROR_MESSAGE column
I tried fetching error message from the snp_session table in ODI 12C. I have explicitly inserted erroneous data in order to get an error. But that error is not showing in the error_message column in snp_session table forthe corresponding session id. Please help
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Efficient way to erase and re create a (part of, if possible) subplot inside loop using matplotlib?
The code below creates a Scatter plot from
X
and based on values ofw,b
, creates lines over X.I have tried a couple of combinations such as:
fig.canvas.draw() fig.canvas.flush_events() plt.clf plt.cla
But they either seem to plot multiple lines over the plot or Delete the figure / axes.
Is it possible to plot the Scatter plot only once but the Lines keep changing based on
w,b
?.Below is the code that I have used:
from sklearn import datasets import matplotlib.pyplot as plt import numpy as np import time from IPython.display import display, clear_output def get_hyperplane_value(x, w, b, offset): ''' Generate Hyperplane for the plot ''' return (-w[0] * x + b + offset) / w[1] def plot_now(ax, W,b): ''' Visualise the results ''' x0_1 = np.amin(X[:, 0]) x0_2 = np.amax(X[:, 0]) x1_1 = get_hyperplane_value(x0_1, W, b, 0) x1_2 = get_hyperplane_value(x0_2, W, b, 0) x1_1_m = get_hyperplane_value(x0_1, W, b, -1) x1_2_m = get_hyperplane_value(x0_2, W, b, -1) x1_1_p = get_hyperplane_value(x0_1, W, b, 1) x1_2_p = get_hyperplane_value(x0_2, W, b, 1) ax.plot([x0_1, x0_2], [x1_1, x1_2], "y--") ax.plot([x0_1, x0_2], [x1_1_m, x1_2_m], "k") ax.plot([x0_1, x0_2], [x1_1_p, x1_2_p], "k") x1_min = np.amin(X[:, 1]) x1_max = np.amax(X[:, 1]) ax.set_ylim([x1_min - 3, x1_max + 3]) ax.scatter(X[:, 0], X[:, 1], marker="o", c = y) return ax X, y = datasets.make_blobs(n_samples=50, n_features=2, centers=2, cluster_std=1.05, random_state=40) y = np.where(y == 0, -1, 1) fig = plt.figure(figsize = (7,7)) ax = fig.add_subplot(1, 1, 1) for i in range(50): W = np.random.randn(2) b = np.random.randn() ax.cla() ax = plot_now(ax, W, b) display(fig) clear_output(wait = True) plt.pause(0.25)
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Custom metric/dimension not visible in GA4 DebugView on item/product-list level
We're trying to configure GA4 to gather same data that we have in UA.
The problem is that we cant see custom metrics data on item-level in DebugView. In TagAssistant we can see that data is sent:
{ event: "purchase", gtm: {uniqueEventId: 10, start: 1651XXX}, gtag: { targets: { G-XXX: {_ee: true, _uei: 3, _upi: 2}, UA-XXX: { currency: "PLN", country: "PL", custom_map: { dimension2: "referrer", ... dimension13: "ecomm_totalvalue", metric1: "metric1", ... metric5: "metric5" }, _uei: 4 }, AW-106XXX: {} } }, eventModel: { transaction_id: "40XXX", affiliation: "XXX", value: "9.99", currency: "PLN", tax: "1.87", shipping: "0", coupon: "", items: [ { id: "670", name: "Tusz Zamiennik T0711 do Epson (C13T07114010) (Czarny)", brand: "XXX", category: "Wkłady/Atramentowe/Zamienniki/Tusze/XXX -> Do:E" + "pson", quantity: 1, price: "9.99", coupon: "", metric1: "9.99", metric2: "9.99", metric3: "9.99", metric4: "9.99", metric5: "9.99" } ], send_to: "" } }
However, on DebugView side we can see purchase event that:
- contains all orginal parameters on event level (like transaction_id, shipping etc.)
- contains all orginal parameters on item level (like item_id, quantity, etc.)
But our custom metrics are missing
In the other hand, we tried (with different event) push some custom-dumension data and:
- they are visible on GA4 DebugView
- we can create custom dimension in GA4 basing on this data and it works
I am thinking about:
- Creating event-level custom metric to test if it will be passed to GA4 DebugView
- Creating item-level custom dimension to test if it will be passed to GA4 DebugView
However, due to fact that GA requires 24h to make conclusions i decided to ask here for any sugestions why it is not working and what else may i test.
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Need assistance with a footprint chart
For a project I am working on, I need to implement a linechart with barcharts on each individual node. an example of this can be seen on exocharts.com, anyone know if there's a library I can accomplish this with? Footprint chart
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Python: How to plot numbers on Y-Axis
This is a financial chart. I wish to plot numbers on canvas(figure) chart graph having x axis as timeseries and y axis as price, example image I have designed on photo editor to make my point also sharing data which will go through for plotting.
Can anyone please help me how can I achieve this result. This below raw data is resampled in 15 minute also group by price (LTP - Last traded price).
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Error : VM Exception while processing transaction: revert
I am getting this error when I am transfering some tokens to the decentralized bank Here is the code
Test.js:
await decentralbank.stakeTokens(tokens("100"), { from: customer, });
DecentralBank.sol:
function stakeTokens(uint256 _amount) public { tether.transferFrom(msg.sender, address(this), _amount); // update staking balance stakingBalance[msg.sender] = stakingBalance[msg.sender] + _amount; // add user to stakers array *only* if they haven't staked already if (!hasStaked[msg.sender]) { stakers.push(msg.sender); } // update stakng status isStaking[msg.sender] = true; hasStaked[msg.sender] = true; }
Tether.sol:
function transferFrom( address _from, address _to, uint256 _value ) public returns (bool success) { require(_value <= balanceOf[_from]); require(_value <= allowance[_from][msg.sender]); balanceOf[_from] -= _value; balanceOf[_to] += _value; allowance[_from][msg.sender] -= _value; emit Transfer(_from, _to, _value); return true; }
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How to get all transactions between a personal wallet address and a contract address in Ethereum?
I am implementing a dApp and I need to keep tracks of how much one address has spent on my smart contract.
I tried using EtherScan API but they can only query all transactions from one address, not two.