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Mastering Development

map 2 array of object and populate boolean array

I have this first array, at the end of each item it has numerical value. const arr = [“abc#1″,”def#2″,”z#1”, “z#2”] I have to map it with below array const arrObj = [{ name: ‘abc’ },{ name: ‘def’ },{ name: ‘z’ }] to populate a new property value that has boolean in array result = [{ […]

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Mastering Development

React global variable not being updated inside function that passing to children component

I have a parent component that having some props passing from grandparent component and I am using one prop (object) and pass the value of that object to children component as props. I also pass a function to child component in order to get the updated value back from child component. ParentComponent.js const ParentComponent = […]

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Mastering Development

Segmentation fault in my server (valgrind logs)

There is a problem that I’ve been driving with for more than 3 weeks. Please help with advice. I beg you very much! I am new to C ++. Even small tips can help me! It is required to create a server that must store the integer values ​​of various signals. A client can connect […]

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Mastering Development

How do I use a click event to navigate to another vue route with paameters

I am using bootstrap-table-vue, in the action button, I want to trigger an onClick event which will navigate to another route. { field: ‘action’, title: ‘Actions’, align: ‘center’, clickToSelect: false, render: function(e, value, row){}, formatter: function (e, value, row){ return ‘<a class=”btn btn-sm show” data-toggle=”modal” data-target=”#”><i class=”fas fa-edit text-info”></i></a>’ }, events: { ‘click .show’: function […]

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Mastering Development

A difference behavior between a deque and a list

I could successfully implement LRU cache using a list and a (hash)map. I am wondering why there was wrong behavior when I used a deque instead of a list. Let me explain my approach briefly. Find a value using a key from the map. The map returns an iterator of the list or deque that […]

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Mastering Development

ReadTimeoutError while installing tensorflow-gpu

I am getting below error while installing tensorflow-gpu from pip command. Tried multiple attempts at different times assuming the network issue but the error remains persist. (base) PS E:\…\coref-master> pip install tensorflow-gpu Collecting tensorflow-gpu Downloading https://files.pythonhosted.org/packages/a3/4c/87b658692746d66dfe687f3e0fe33ee58248f388961d2fdbc851b6c1d604/tensorflow_gpu-2.1.0-cp37-cp37m-win_amd64.whl (356.5MB) |██ | 25.6MB 25kB/s eta 3:39:40ERROR: Exception: Traceback (most recent call last): File “C:\…\Anaconda3\lib\site-packages\pip\_vendor\urllib3\response.py”, line 397, in _error_catcher […]

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Mastering Development

How can i remove rows by condition (initial letters) in r?

Date <- c(2000-01-01, 2000-02-02, … ) Abbreviation <- c(“TR_10”, “SR_10”, “SR_9”, “FR_7”, “SR_7″, …) Value <- c(1.2, 1.3, 1.4, 1.8, … ) Data <- cbind(Date,Abbreviation,Value) How can I remove all rows, which haven’t the abbreviation (initial letters) “SR_”? Thank you!

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Mastering Development

InsertRows in QAbstractItemModel with a QSortFilterProxyModel

I am trying to make a QTreeView work with a QSortFilterProxyModel. I wrote a minimal working example (which is unfortunately not so minimal due to the complexity of the issue). The complete code is: import logging from PyQt5 import QtCore, QtWidgets import sys class DBObject: def __init__(self, name, parent, children=None): self.name = name self.parent = […]

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Mastering Development

Typescript interface for array object

I am currently accepting interface for my component and it accept the array object “options” as one of its arguments. My question is how do you create an interface for array object. I believe you need to use index signature for the interface but I havent used it before and not sure how it need […]

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Mastering Development

Typescript interface for array object

I am currently accepting interface for my component and it accept the array object “options” as one of its arguments. My question is how do you create an interface for array object. I believe you need to use index signature for the interface but I havent used it before and not sure how it need […]