History | Treasure library collection Code for Fun
kandi X-RAY | History Summary
kandi X-RAY | History Summary
Treasure library collection Code for Fun. Homepage: https://ywz978020607.github.io B station ID [探鱼大银]
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of History
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Trending Discussions on History
QUESTION
I am building an app following the Rest Countries API challenge from frontendmentor (https://www.frontendmentor.io/challenges/rest-countries-api-with-color-theme-switcher-5cacc469fec04111f7b848ca). I have run into a problem. When clicking on the router link in countryDetail.js, the url changes but the component doesn't get re-rendered unless the page is refreshed.
CountryDetails.js
...ANSWER
Answered 2021-Jun-15 at 17:07The issue seems to be that you are already on the "/country/:name"
path and are clicking to visit another country. The router correctly updates the URL in the address bar, but because CountryDetail
is already mounted it neglects to recompute the item
and allCountries
state. This is because the useEffect
hook only runs once when the component mounts.
The name
param (match.params.name
) is actually a dependency for the GET requests, it should be added to the useEffect
hook's dependency array.
QUESTION
I'm trying to get a .csv out that includes occasional empty values.
Calling this API (https://www.campaignmonitor.com/api/subscribers/#getting-subscribers-details) I get the following:
...ANSWER
Answered 2021-Jun-15 at 13:56With the alternative operator //
:
QUESTION
My first question on stack overflow! I'm new to VBA and am building a macro that selects data from downloaded .CVS sheets and inserts them into an existing workbook. The downloaded .CVS sheets have names titled "payment history######-#_date" whose numbers (#) correspond to account numbers which represent the rows in my other workbook. There are more than 60 account numbers.
Now, I'm stuck on the most important part of the code. The idea is to loop through the range containing the account numbers and use a like function to match the account number to the number portion of the worksheet name. It would go something like this:
...ANSWER
Answered 2021-Jun-15 at 13:23You may use Instr
function to check if the string comparison do return value >0, if not found it will return -1 by using following code, please let me know if any issue as the information is too limited:
QUESTION
I know there are some other questions (with answers) to this topic. But no of these was helpful for me.
I have a postfix server (postfix 3.4.14 on debian 10) with following configuration (only the interesting section):
...ANSWER
Answered 2021-Jun-15 at 08:30Here I'm wondering about the line [in s_client]
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-GCM-SHA384
You're apparently using OpenSSL 1.0.2, where that's a basically useless relic. Back in the days when OpenSSL supported SSLv2 (mostly until 2010, although almost no one used it much after 2000), the ciphersuite values used for SSLv3 and up (including all TLS, but before 2014 OpenSSL didn't implement higher than TLS1.0) were structured differently than those used for SSLv2, so it was important to qualify the ciphersuite by the 'universe' it existed in. It has almost nothing to do with the protocol version actually used, which appears later in the session-param decode:
QUESTION
From an API request, I get an array of data like below (I get 100 elements, but here I'm showing only 2):
...ANSWER
Answered 2021-Jun-14 at 14:56First, update initial state:
QUESTION
I am trying to add api response data into datatable row.
My api response is look like this
...ANSWER
Answered 2021-Jun-15 at 06:28You should use the FutureBuilder
widget to update your user interface when the data is available. The code you provided attempts to build the widgets before the data is received. This causes the _historyList
to still be null.
QUESTION
Say I have an MLP that looks like:
...ANSWER
Answered 2021-Jun-15 at 02:43In your problem you are trying to use Sequential API to create the Model. There are Limitations to Sequential API, you can just create a layer by layer model. It can't handle multiple inputs/outputs. It can't be used for Branching also.
Below is the text from Keras official website: https://keras.io/guides/functional_api/
The functional API makes it easy to manipulate multiple inputs and outputs. This cannot be handled with the Sequential API.
Also this stack link will be useful for you: Keras' Sequential vs Functional API for Multi-Task Learning Neural Network
Now you can create a Model using Functional API or Model Sub Classing.
In case of functional API Your Model will be
Assuming Output_1 is classification with 17 classes Output_2 is calssification with 2 classes and Output_3 is regression
QUESTION
import yfinance as yf
msft = yf.Ticker('MSFT')
data = msft.history(period='6mo')
import mplfinance as mpf
data['30 Day MA'] = data['Close'].rolling(window=20).mean()
data['30 Day STD'] = data['Close'].rolling(window=20).std()
data['Upper Band'] = data['30 Day MA'] + (data['30 Day STD'] * 2)
data['Lower Band'] = data['30 Day MA'] - (data['30 Day STD'] * 2)
apdict = (
mpf.make_addplot(data['Upper Band'])
, mpf.make_addplot(data['Lower Band'])
)
mpf.plot(data, volume=True, addplot=apdict)
...ANSWER
Answered 2021-Jun-15 at 01:49- As per Adding plots to the basic mplfinance plot(), section Plotting multiple additional data sets
- Aside from the example below, for two columns from a dataframe, the documentation shows a number of ways to configure an appropriate object for the
addplot
parameter. apdict = [mpf.make_addplot(data['Upper Band']), mpf.make_addplot(data['Lower Band'])]
works as well. Note it's alist
, not atuple
.
- Aside from the example below, for two columns from a dataframe, the documentation shows a number of ways to configure an appropriate object for the
- mplfinance/examples
QUESTION
I'm new in React and state hooks.I'm trying to make a website about creating booklist and save it to local storage. Also uploading image to cloudinary. My problem is ; when i trying to save cloudinary image url to the localstorage, it saves previous url. I think i have a problem about useState hooks but i couldnt figure it. Below is my code.
LocalStorage.js
...ANSWER
Answered 2021-Jun-15 at 00:57
setUploadUrl(result.url);
id = new Date().getTime().toString();
const newBook = {
id: id,
bookName: bookName,
writerName: writerName,
pageNumber: pageNumber,
uploadUrl: uploadUrl
};
QUESTION
I trying to calculate ADX indicator using using library called ta
- link
I am using yahoo finance API to get the data.
this is my code
...ANSWER
Answered 2021-Jun-14 at 21:21You can concat them:
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You can use History like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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