Latest Questions

perf mem doesn't records mem load on heap

I used perf mem on my test C program, because I want to get how many times the mem load(and store) on the same pages. a. My C program is here: "stest.c" #includ

In contextual bandit for Vowpal wabbit, does the --cb_explore option includes training an optimum predictor (--cb option) as well?

When using Vowpal wabbit for contextual bandits, here is my understanding so far, We can build a predictor model for predicting the rewards We can also then us

How to add random minutes like first slots should be 30 minutes and then 1 of 15 minute slot and again 30 minute slot

const eventClick = (args) => { let StartTime = moment(args?.event?.StartTime, 'HH:mm ') let EndTime = moment(args?.event?.EndTime, 'HH:mm ') if (

Why is there an extra row of zeros in the histogram of images in a folder?

I have a folder comprising 20 images (.jpg format). I am trying to obtain the histogram of each of the images and store it as a Pandas data frame. My code is sh

Read .asc data and .dat in Python for project

I have been trying to find a way to read data I found from: https://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=1028 I was under the wrong impression I could treat

How do I continue my Python script after a error

I'm trying to make my own OS using: command = input('['+ location + ']$ ') if command == 'exit': break elif command == 'open app': try: app = in

ngx-print not printing scrollable table (print media solution doesnt work)

Im working with Angular. Im using ngxPrint. I try to print a scrollable table (it has too many columns). ngxPrint can print successfully a lot of rows, but it i

What is Scheme's relationship with operators?

I am aware that Scheme has no operator precedence or operator associativity due to its use of s-expressions and the fact that operators are considered to be fun

Command executed via pexpect not taking effect

I am trying to cherry-pick gerrit reviews using a python script. I already have the string required to cherry-pick a review. I have used pexpect to automate the

Why mysqli_sql_exception is not caught by PHP? [duplicate]

I am trying to create a php script to add new users. The username is unique, so if a new users tries to use a name already used the SQL fails.

mocking database calls in api routes

I am building a full stack application with NextJS and a MySQL database.In my API routes I make calls to this database (for example, createOne() for creating an

App works fine on device and simulator, but Apple review sends me this crash log

Here is the crash log Apple Review sent me. I've never had this issue previously, and it seems like the issue is coming from old code I've been using for months

use ck editor in dark mode. works perfectly in light mode

I am beginner in vue and i want to use ck editor in dark mode it works perfectly in light mode but i am not able to make it in dark mode. documentation link fro

QtCreator issues ld: warning: directory not found for vcpkg Qt

I installed Qt5 with vcpkg on macOS Catalina. And installed QtCreator using the online installer. Then on QtCreatpr, Preferences, Kits, Qt Versions I added qmak

No bugs in codes, why messages are still being sent to Dead Letter Queue?

I have 2 Lambda functions that respectively sent and received some workloads via a SQS. But many messages are unexpectedly sent to DLQ. I am confident that it w

How to make Categories button functional

I got my current website displaying hard coded data from my data.js file. I implemented firebase as my database and I want to have my categories button work wit

Userid and Group id in docker run command

When do we need to add -u $(id -u):$(id -g) in docker run command? I see that it is user id and group ip mapping. But I want to understand this better.

I keep getting this error: expected primary-expression before 'int'

I am trying to solve this exercise on Exercism website. The exercise is about finding the leap year. I have two files, main one and the header file. The main on

Pass parameter from Excel to SQL in PowerQuery

I want to set local variables or pass parameters from Excel to SQL. I've found similar questions, but all referred to old versions of Excel and/or the answers s

Outlook VSTO - Allow specific AD group to see ribbon

How can I programmatically restrict the VSTO Add-in Ribbon visibility to a specific AD group only? Can this be controlled directly from the Ribbon XML itself? T

How to use scipy's fminbound function when function returns a dictionary

I have simple function for which I want to calculate the minimum value from scipy import optimize def f(x): return x**2 optimize.fminbound(f, -1, 2) This

Could not find module 'RxSwift'

I imported BitcoinKit.swift which worked fine but get now the error: Could not find module 'RxSwift' for target 'x86_64-apple-ios-simulator'; found: arm64, arm6

Spring-batch flow / split after a step

I am building a spring-batch solution that contains the following process: step 1 : split a list into multiple lists step 2 : process each sub-list step 3 :

'Error: A 'return' statement can only be used within a function body' - HTML Form

I am getting an error in my old HTML form onsubmit return statement. It was working perfectly fine before but recently the same statement is showing an error. I

How to store encrypted SecretAccessKey in registry for Redshift ODBC driver?

Ideally you create a ODBC DSN using the "ODBC Data Sources" UI. I am creating a Redshift Driver DSN(TestDSN) using Authentication Type "IAM Credentials" The se

WPF when resize column width or row height, inner control's properties automatically generated

After I change column width or row height width guideline in design mode, control's (in that row or column) height, width, margin property automatically generat

Access env variables inside docker entrypoint script

I want to pass environment variables in my docker run command and access them in my entrypoint shell script. This is my super simple Dockerfile for test purpose

Flink TumblingEventTimeWindows how achievement without overlap?

There is this text in Stream Processing with Apache Flink page 211 “The WindowAssigner determines for each arriving element to which windows it is assign

Python pandas - series to dataframe

. How do I print out only the country names that exist in the dataframe among series with country names as index?

Why am I getting a nil value from a Ruby object's member, when it is not nil? [closed]

I want to get the value of a field (ScenarioID) in a Ruby ActivityChart object (chart). Displaying the whole chart shows the value I want: 16