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python - How to fix AttributeError: 'NoneType' object has no attribute 'loc'(Pandas)?
I have a pandas script. import pandas as pd data = pd.read_csv('sample.csv',delimiter=',') def mapping(df): #work ... 'NoneType' object has no attribute 'loc' Any fixes for this?...
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firebase - BoringSSL-GRPC.modulemap not found when building flutter to IOS
I'm using this app with firebase now, and when I try to build in xcode, it throws this error: module map ... ^0.14.4 firebase_messaging: ^7.0.3 flutter_localizations: sdk: flutter...
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python - Raising ValueError: Failed to convert a NumPy array to a Tensor (Unsupported object type numpy.ndarray)
I have below keras code : from numpy import loadtxt from keras.models import Sequential from keras.layers import Dense model = ... x dtype:object to array to pass in keras model....
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SwiftUI - Pull to Refresh works with ForEach only, not with List
I was looking into a Youtube Tutorial to implement Pull To Refresh in SwiftUI: https://www.youtube.com/watch?v= ... really hacky with Representables etc., so pure SwiftUI? Thanks!...
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amazon web services - DynamoDB showing error on GetItem with php sdk
I am try to check what that value is available on database or not so i am using as below: $domain_registrar_id = ... is empty, must contain exactly one of the supported datatypes"}...
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php - How to correct scattered pagination links and objects view in browser while using pagination() function in Laravel 8
I am working on Laravel 8 framework, PHP 8 and MariaDB 10.4.17. I am using paginate() feature in controller class ... any idea why such untidiness occurs and how to correct it?...
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ubuntu - Wireguard is not updating it's config when started by wg-quick up wg.conf
I am trying to change the configuration of wireguard client configuration on my Ubuntu system. It is running without ... my configuration file? Where is wireguard taking it from?...
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UWP C# pipe client fails to connect to Win32 C++ pipe server
I am trying to communicate between client UWP C# app and server Win32 C++ app, both apps are in same package and I am ... client I am getting "Access to the path is denied." error....
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Mysql connections not closing with VB.NET application
that's my first time here, I'm going mad because of this problem I have: I'm developing a windows form ... being established before the 1st one gets closed by the server?...
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c - fast convert double to uint64_t in thread safe way
I have the below function that I call in a parallel loop. I have declared the union inside the below function for ... 0x8000000000000000ULL); } I am using gcc to compile the code....
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apache spark - Datatype error when comparing rows of a dataframe (Python)
I have a dataframe with the folloing schema: root |-- distanceValue: integer (nullable = true) |-- timeOfMeasurement: ... the latency which is an interval? Thank you for any help...
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php - Multidimensional Array: Extract second value if first is present
I have a multidimensional array: array(3) { ["checkIn"]=> array(0) {} ["code"]=> array(0) {} [0]=> array(2) { ... ('2021-02-02', array_column($array, 'checkIn')) ){ echo code?? }...
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Flutter offline data changes in Hive, ListView UI not updating when data changes
//----- I am trying to refresh UI when product quantity increases or decreases in Hive DB-----// //---------------My ... , "del")) { product.delete(); } product.save(); } } }...
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ios - Render a full black blur visual effect view on ios13 dark mode
I wonder how to render a fully black visual effect view like messenger iOS in dark mode: I tried all blurred ... a backgroundColor on the visual effect view has no effect....
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json - Can't send running ec2 instance list from lambda to slack using webhook url
I have a lambda function which filters out running ec2 instances and stores them in an array, then it is sent as a payload ... , headers = {"Content-Type":"application/json"}) ```...
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database - Local Mongo DB sync to production MongoDB
I know about mongoDB Replica set offers master slave configuration but is there a possibility to write in multiple mongodb database ... not related to mongodb 4.4 or at least 4+...
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oop - Copy assignment operator for diamond inheritance C++
I have 4 classes in a diamond inheritance hierarchy. Is it right to call both parents' assignment operator for the assignment operator in ... ; d = ref.d; return *this; } };```...
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scala - Which one yields better performance in spark data frame?
Which one should be faster here ? Or both have same performance level? -) Normal Function private def fun(lc: Column): ... abc", funUdf ("col1")) Which one will perform faster ?...
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Dictionary RUNTIME problem at python hackerrank question (noob question)
All test cases done except for one and that one had Runtime error.. I am not one-liner, because i am beginner. ... Problem Statement : HERE Problem Test Case(runtime error) : HERE...
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azure - What is default admin password for windows nodepool in AKS created through terraform
I created the secondary windows node pool in my aks cluster, but since the windows_profile was optional in terraform, ... default password. How should I figure out this password....
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sql - Using sub query result in multiple exist conditions
I'm trying to get all products based on two conditions on another table. See my example db data. Product -------- ... 'ViewProduct' AND Date > ap.Date AND ProductId = p.ProductID)...
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javascript - How To Pass Env Vars to Sass Plugin in Gatsby?
How do I pass environment variables to the gatsby-sass-plugin? I'd like to be able to pass an environment ... additionalData: `$storeName: ${process.env.SHOPIFY_STORE_NAME};` } },...
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SQL Server: Duplicates but based on specific criteria
I am trying to find duplicates based on forename, surname, and dateofbirth in my database. Below is what I have Customers ... if the cust_refno is the same it does not show again?...
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javascript - Cannot read property 'toString' , 'isNan' of undefined
I have been getting this error repeatedly and I haven't been able to find the exact cause for this. The ... Electron and any help resolving this issue will be greatly appreciated....
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java - Product of Array Except Self - Leet Code Time Limit Exceeded
I have been solving problem(Product of Array Except Self) on leetcode. My code compile successfully and passed 18 out of 19 test ... +; } result [i] = product; } return result; }...
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android - Nearby Connections max connected devices - clarification
I was searching what is the max number of connected devices and I came across a post that roughly states: When ... to the usage of an external router in nearby connections?...
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python - How to avoid AttributionError in Jupyter when converting image file?
I'm facing the problem that my code keeps throwing the AttributionError in my Jupyter Notebook, even though I don't even ... ' I really hope someone can help me with this! Thanks!...
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bash - Correct mrtg cfgmaker file
mrtg cfgmaker does read incorrect values over SNMP V1 and V2 and I need to correct the resulting file. I would like to run ... . How to detect if the HTML part belongs to a LAG?...
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