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I have been searching the web for methods that could create rolling windows so that I can perform a cross-validation technique known as Walk Forward Analysis for time series in a generalized manner.

Im building ionic 3 (angular+es2015) application for android OS, it's working for android 7,8, and 9 but not for 6 version, and i got this error when startup application :

Currently struggling with the following output in .csv where their is various random character within the is the players names and values where there shouldn't be (I've given a picture below of the

I have a linux website where data loaded to the page correctly all the way up until I started screwing around with chmod permission changes. I was making changes, because a js script I am using wasn'

I am trying to find the XPATH of the element inside iframe using javascript. But there is sandbox enabled in iframe. Can anybody help how to get the XPATH.

css noobie here :). Assuming I have following html <div class="myflex"> <div class="item"> Item1 </div> <div class="item"> Item2 </div> &

I am trying to send an Apple push notification using NodeJS and apns. I have the following code to generate and send the push notification: // Prepare the notifications let notification = new apn.

Ok, this is my first question in the site so I going to try to be clear. I am trying to build a speech recognition application in the raspberry pi with python and the google cloud speech to text api.

I'm running jdk 1.8_191 I created an JavaFX application. I tested it in IDE, everything runs well. I created an exe Artifact, I get errors when loading FXML's. Solved it tho by putting my FXML

We are wanting to design a flutter application that navigates the way that the app "Reflectly" does. It looks very similar to responsive web sites with a parallax type design. I'm including screen

When using Emacs, SLIME and Clozure CL I have a minor gripe: The function signature for aref (I have not yet seen any other instances) is shown only as (aref a). When I go to source the code in

How can I fix the following Error inside my activity? Caused by: com.google.firebase.database.DatabaseException: Calls to setPersistenceEnabled() must be made before any other usage of

I have a simple form in HTML 5 with video API, I want to play a video when user click submit button here is demo html form input HTML 5 <form> <div class="form-group"

I have used model's addGlobalScopes() to set default ordering to one of my models: public static function boot() { parent::boot(); /** Some code */ static::addGlobalScope('order',

Given: Each call to a BE module takes several seconds even with a SSD drive. What are likely bottlenecks? How to check for them? What options to speed up? On purpose I don't give a special

I am using guthub pages to host a simple website with a custom domain. To manage the the DNS I am using CloudFlare. I had pages rules setup on CloudFlare for forwarding to my google drive file:

I'm looking to create some mosaic plots to visualize contingency tables. Mosaic plots are not (for all I know) natively supported by Bokeh so I'm using the statsmodels library (link). Problem is

Let's say I'm trying to send a data to PHP and receive it using pure Javascript. So when I'm sending a string "login="+1+"&username="+username+"&password="+password; with Ajax It's all ok but

I started a thread over here, to ask about "concurrent" writes to an XML file, and it got flagged as a duplicated and referenced here, to a thread that talks about creating a lock file in the same

I am trying to get a hang of the webscraping with BS4. I need to input the provider name and then scrape the info after the search is done. My question is, when using input variables with Python to '

I have 2 Look-up tables (N-rows M-columns matrices). They describe the sampling of two two-variables functions of the type L1 = f1(x, y) and L2 = f2(x, y) (specifically but not fundamental, these

https://i.stack.imgur.com/mcGjx.png (image) New web dev student here. I'm in inspector looking for certain elements of my web page. However once I find elements, it shows the css file and line that

I have this object that has an array with multiple objects and arrays. I have been trying to figure out how to refer to multiple elements at once but cannot find the way. var questions = {

I have implemented the code for complications in my app and it seems to work fine for current day. I would like to test how the complications would change overtime in future and past. Time Travel

I'm unable to figure out the error which is causing the app to stop working when I run it. This is one of the subsections of the app(Events). This is the EventList class with getters and setters

I have create a react app using below command npx create-react-app my-app Now when I am building the app for production using below command npm run build It generate below files with suffix.

I have an Offer object in Play models, which can have on or more OfferLines, so I have @Required @ManyToOne public Offer offer; on OfferLine and @OneToMany(mappedBy="offer", cascade= CascadeType.

I'm trying to set up can bus interface using PICAN2 and raspberry pi. My goal in this project is to be able to send/receive data from cars can bus to control the ca's ECUs. So far I have installed

I want to kill and remove the software that uses the 8080 port that EDB Postgres localhost server so I can use the port for Jenkins. Using tasklist it tells me the port which is processing, fine for

I've been searching everywhere and can't figure out the solution to this. I'm trying to get an attribute of a nested xml tag from wikipedia, but have so far been unable to get the nested attribute. I'

I am new to Code::Blocks and trying to embed Python (3.7.0) in C using the Python/C API. I am testing a simple program: #include <Python.h> #include <iostream> using namespace std; int

How to add insets to boundingMapRect of MKPolyline to use it with MKMapSnapshotter? let polyLine = MKPolyline(coordinates:locations , count: locations.count) var region =

I've created a subprocess using subprocess.Popen(['myapp'], stdin=PIPE, stdout=PIPE, stderr=PIPE, bufsize=0) that executes a C-program that writes to stdout using e.g. puts(). The problem is that the

I found in this question that deleting the database and it's log file does not remove everything about the database. It still shows in SQL Server Object Explorer from withing VS2017. I think this is

For numpy ndarray, there are no append, and insert as there are for native python lists. a = np.array([1, 2, 3]) a.append(5) # this does not work a = np.append(a, 5) # this is the only way Whereas

I do find multiple solutions on here, but non of them work for me I cloned an ixisting Androi project, it worked perfectly fine, I added and changed some code, added a fragment and a resource for

What is the TYPO3 reference index and why can it contain outdated values? If you are surprised by this question, I just like to get some good quality answers into Stackoverflow, that help people to

I m trying to build android app from my existing website and add Firebase push notifications to it but errors comes up * build failed 4 s 52 ms Run build 3 s 455 ms Load build 6 ms Configure

https://www.pickleballtournaments.com/oncourts.pl?tid=2027&venue=Main you can view that source and see a near bottom Was able to get html before now there is a google script near the bottom

The following code display only 3 of 4 Editext within a ScrollView. The problem is the last Editext which is overlapping the Button Why ScrollView isn't working properly? <?xml version="1.0"

Suppose I am working with an episodic problem and have the entire perfect model of the environment, that means I know the dynamics of it. Then if solving it using Dynamic Programming algorithm,

mylist=[] - Heading ========= mylist.append('退货商品不符') mylist output: ['\xe9\x80\x80\xe8\xb4\xa7\xe5\x95\x86\xe5\x93\x81\xe4\xb8\x8d\xe7\xac\xa6']

Sorry I don't show the whole code, but it's private-owned by my company. Here's a picture. Opening the link you'll understand what I mean. (I can't understand the reason short questions aren't allowed

I'm trying to run a python script through my PHP page. when the script runs the output states that my modules does not exist. I am using exec("python3 sciprtname.py arg1 arg2") I have installed these

In this example, I am trying to match the integer literals with the types[] array. Technically, the printf() should be printf("The variable %c = %d (%s) \n"), but gives an error if I don't specify

class Login (GridLayout): lbl_ip = StringProperty(socket.gethostbyname(socket.gethostname())) lbl_datetime = StringProperty(time.strftime('%Y/%b/%e %H:%M:%S')) def login(self):

df1= Date Team1 Team2 6/1 Boston New York 6/13 New York Boston 6/27 Boston New York I am trying to calculate the number of days since the last time Boston appeared in

I am trying to show a large version of an image when clicking on a Glide SliderLayout and have created two layout files as below; one for the standard view and the other for the enlarged Slider view.

I've created an attribute programmatically like this $eavSetup->addAttribute( Product::ENTITY, self::mpn, [ '

I can tell mongod does not respect its own default config file because when I type 'mongod' in the terminal, i see MongoDB starting : dbpath=/data/db however in my /etc/mongodb.conf i have