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In my c++ code, I often have blocks like this: if (m_pointer) { delete m_pointer; m_pointer = nullptr; } I just wonder, whether there is a better, designated, way to do it than repeating this block all over my code. Smart pointers are not an option here, since it's all about QObjects, which don't really support them afaik.

I am trying to fit a model in R using NLME. I am translating from SAS and here is the SAS code: proc mixed data=data; class patient hospital equipment; model blood_iron_content = equipment / noint ddfm=kr solution residual ;/* No int ensures the fixed effects are not relative to one level*/ random hospital / group=equipment; repeated equipment / type=un subject=patient R rcorr; run; For...

I am using webview for playing video in my MAUI appication and it is working fine on Android platform. But in iOS the video is not visible when starts playing only audio is able to hear. Below is the code: <WebView BackgroundColor="Transparent" x:Name="video_webview" HorizontalOptions="FillAndExpand"> <WebView.HeightRequest> <OnIdiom x:TypeArguments="x:Double"> <OnIdiom.Phone>250</OnIdiom.Phone> <OnIdiom.Tablet>325</OnIdiom.Tablet> <OnIdiom.Desktop>250</OnIdiom.Desktop> </OnIdiom> </WebView.HeightRequest> </WebView> //code behind video_webview.Source = videoUrl; Is it a known issue in...

For example: How to set the argument type to: list, which contains ints and floats, or tuple, which contains ints and floats? tried: from typing import List, Tuple, Union def some(arg: Union[List, Tuple][int, float]): ... Raises TypeError: typing.Union[typing.List, typing.Tuple] is not a generic class The general question is for any iterables' types' combinations and any content types.

My project repository is very large, developed over 6 years, and has 3~4G of git history. If it takes a long time to pull the code for the first time, I can understand. Recently, I encountered a problem. When I executed the following command for the first time, it was completed very quickly. But when I executed it for the second time in a...

I'm encountering an issue when trying to plot an ROC curve using the pROC library in R. I'm using version 1.18.5, which should support the percent=TRUE argument. However, I keep getting the following error: Error in roc(df_test$death, pred, percent = TRUE) : unused argument (percent = TRUE) Here’s a summary of my data and the steps I’ve taken: df_test$death_numeric contains binary values (0 and...

I have a question regarding xml_ns_strip() function from xml2 package. I have a serie of xml files (around 9000) and want to automatically process them, including removing their namespaces so that they are easier to handle. The files are really diverse in terms of weight, from files weighting less than 1 Mo to files heavier than 100 Mo. I have absolutely no problem with...

In my collection I have a request in which it has a field called "status" which will return a integer, I need to check this request frequently Until the status returns the value as "1", I need to retry this request until the status value changes from "2" to "1"

int main() { int firstnum ; printf("Enter First Number :-"); scanf("%d" , &firstnum ); `int numtoo ;` ` if((firstnum)%2 == 0) ` { `int firstquo ; ` ` int numtoo = 1 ; ` ` int test1; ` `do` { `test1 = firstnum ;` ` firstquo = (test1)/2 ;` ` numtoo ++ ;` `test1 = firstquo ;` } `while((test1)%2 == 0);` } ` else...

I have upgraded Passport from version 7 to 12 and uploaded my files to the server, which is now running Laravel 11. I’m wondering if the existing customers' access tokens and refresh tokens will remain valid or if they will become invalid after the upgrade. In the case that the tokens do become invalid, what steps should I take to resolve this issue and...

After updating some libraries my huawei app is crashing when launching, but I don't see any errors in logs. The changes that I did was to update the libraries to the latest version 1.9.1.303. The splash screen is shown for 1 second and then the app stops. Here are my libraries: googleImplementation 'com.huawei.hms:location:6.7.0.300' googleImplementation 'com.huawei.hms:maps:6.6.1.301' // huawei libs huaweiImplementation 'com.huawei.agconnect:agconnect-core:1.9.1.303' huaweiImplementation 'com.huawei.hms:base:6.2.0.300' huaweiImplementation 'com.huawei.hms:hwid:6.12.0.300'...

I'm trying to implement the rule allowEncodedSlashes in an ubuntu apache server running a PHP website. At the moment, the allowEncodedSlashes NoDecode is required to fix some SEO errors. While I have suceeded in adding the allowEncodedSlashes NoDecode to my localhost, I can't seem to figure out where the config file to put the allowEncodedSlashes in;

Supposing I have a function foo() and an inline function bar(): inline void bar(void) { // do some stuff } void foo(void) { // some code bar(); } Is the C compiler allowed to rearrange / interleave the sequence of "do some stuff" and "some code" instructions? (Something which would not be allowed if bar was not inlined.) To make it clear, could the...

I am following this official guide for creating a call style notification for calling apps. In my code: notification = new NotificationCompat.Builder(this, CHANNEL_ID) .setContentTitle("appName") .setContentText("Running call...") .setSmallIcon(R.drawable.ic_call) .setStyle(Notification.CallStyle.forOngoingCall(incomingCaller, hangupPendingIntent)) .build(); I am getting a type mismatch: Required type: Style Provided: CallStyle

In my ASP.NET Core MVC app, I am using a jQuery datatable and it uses Ajax calls to load data from database. The datasource is a List<Student> object. Now I load the datatable with List<Student> object. And I remove or add any student object to List<Student> in the client side, how I can reflect these changes in the datatable? After removing 1 or 2...

I created a Next.js project with npx create-next-app, and opened the project in VSCode, when I try to save the files in the project, this error message appears. I can save the file with Retry as Sudo, but I don't want to do it every time I save a file. The same problem happened when I try to save it on MacOS and Kali...

I have a csv file that with rows that looks like this: 745198;2024-09-10 10:09:10.7;leaf-2;{"Accelerometer": {"X": 0.055297852, "Y": 0.993530273, "Z": 0.000244141}} 745199;2024-09-10 10:09:10.71;leaf-2;{"Accelerometer": {"X": 0.056274414, "Y": 0.994384766, "Z": 0.000976563}} 745200;2024-09-10 10:09:10.721;leaf-2;{"Accelerometer": {"X": 0.055786133, "Y": 0.994018555, "Z": 0.000854492}} 745201;2024-09-10 10:09:10.732;leaf-2;{"Accelerometer": {"X": 0.055053711, "Y": 0.993530273, "Z": 0.000854492}} and I would like to read this data into a dataframe, and somehow get the 3 accelerometer data into separate...

I have some configuration (backup) files of a Siemens S7-300 PLC with the extension *.PG. Some other files have the extension *.DBF and can be read with the OLEDB Connection. But it is not possible to read the *.PG files. I googled a lot but could not find much info about pg files. It contains also some text informations about the PLC modules, and...

I have two instances(A,B) in the same VPC and different Subnets, I ping to instance B from instance A but not working, My environment is like this below. subnets IPv4 CIDR subnet A is 172.18.19.0/24 subnet B is 172.18.196.0/22 so results, instance A has ipaddress 172.18.19.122/172.18.19.249/172.18.19.199 instance B has ipaddress 172.18.196.78 and 35.78.71.102 then securitygroup instance A permits Echo Request from 0.0.0.0 and route...

When manual snapshot is taken, its consistency with what point in time? Start of the snapshot or end? Does RDS Snapshots underlying use EBS snapshots? How does it guarantee consistency? what happens to dirty blocks not yet written to disk? Does the snapshot also copies transaction logs? Is manual offline backup possible like when it takes before upgrade to make it a consistent backup?...

I am trying to create a service in Angular that should only be injectable within a specific module, not accessible outside that module. I have a service MyService that I want to restrict so it can only be injected within MyModule and not in other modules of the application. MyService (my.service.ts): import { Injectable } from '@angular/core'; @Injectable({ providedIn: 'root' // This allows the...

I'm using DPAA2 (Data Packet Accelerator) that comes with many NXP ARM chips. Recently I encountered a problem or limitation with their Ethernet Switch (dpsw) in the DPAA2. dpsw sends a packet back to its incoming port if the destination MAC of the packet is already learned on that port (i.e., the destination MAC is in FDB on that port). This creates a problem...

Internally enums seem to be a pair of arrays, one of strings for the names and the other usually of ints. When I select a specific enum member and pass it into a method (i.e. NflTeams.Raiders) I would expect the parameter type to be an int, or maybe a tuple of a string and int, but the member is actually of the same type...

I'm facing an issue of glitch while navigating from one screen to other in flutter iOS in release mode. The screen I'm navigating from is a map page which has a bottom modal sheet with some dropdown fields and an image picker, after filling those fields and picking images by clicking a button at the bottom of the sheet it should be navigated to...