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Writing multithreaded code to generate incremental index

I want to write a code in following scenario : we want to design an invoice generator.this invoice generator also generates an incremental invoice no .Also note

OpenCV Assertion failed ((unsigned)(i1 * DataType<_Tp>::channels) < (unsigned)(size.p[1] * channels())) in cv::Mat::at

I'm trying to do the smoothing of an RGB image using OpenCV. I'm using spatial correlation formula: Here's the code: #include <opencv2/core.hpp> #include

How to go to a specific fragment of a Tabbed Activity B, from a fragment of a simple Activity A?

If two activities (for example: Activity A and a Tabbed Activity B) have different fragments each (ex: two fragments for Activity A... and two other fragments f

Firebase onDataChange() not working on some devices

I have developed an app which receiving real time data change from Firebase node. I am calling below example code for fetching data change if happens in Fireba

How do i swap the old links in my a links href attribute values with the ones in my newLink array?

I've been trying to get my a links to get the attribute value from my newLink array as it new attribute value to no avail. Any help would be welcome. <ul id

How to handle browser window or tab using Behat and Mink PHP

I have test that click on link and then new browser window open and in new browser window I need to check some elements are present. How to switch to new Browse

Unable to Provide the expected data from an ItemReader to a KafkaItemWriter

I have a list of users with accounts like this with a goal of collecting all account activity of the users and activating special features if the accounts meet