gcloud – Google Cloud SDK throws Reachability Check failed after Command Line Tools update on macOS 12.4

After the software update of Command Line Tools for Xcode to the version 13.4 the gcloud compute ssh command stopped working with the error [SSL: CERTIFICATE_VERIFY_FAILED] certificate failed: unable to get local issuer certificate. I’m not behind proxy or firewall. What I’ve tried so far: updating google cloud sdk, then reinstalling, then removing and installing … Read more

How To Check for JID Attacks With Java

A consistent inclusion in the OWASP top 10, insecure deserialization is a subtle but dangerous application security threat. This aptly named attack exploits data serialization, the “bread and butter” data transformation process that takes place when an object is passed from one web application to another. Under normal circumstances, when a new object is sent … Read more

flutter – Null check operator used on null value on nullable list

I got below error in my flutter widget. addresses is nullable list and only got the index in that widget. May I know how can I solve this issue. Null Check Operator used on null value for this line Address address = systemData.addresses![index]; address_title.dart import ‘package:auto_size_text/auto_size_text.dart’; import ‘package:flutter/material.dart’; import ‘package:thitsarparami/helper/constants.dart’; import ‘package:thitsarparami/models/models.dart’; class AddressTile extends … Read more

java – How to check if Referer is empty or not before downloading

I have this two URL From this website https://wvw1.123movies.net/ I got this URL https://s02.eplayvid.net/vids/mars.attacks.1996.720p.brrip.x264.yify.mp4 and from https://oceanofapk.com/ I got this URL https://51-75-145-23.xyz/OceanofAPK.com/KSWEB_v3.963_[Pro_Mod_By_Stabiron].apk?md5=8RIbo_gkOkiR7c9XrpVDnQ&expires=1655617658 The first one requires Referer but the second one doesn’t require Referer but will throws 403 error if I added Referer to the request. Adding this to the first one will work connection.addRequestProperty(“Referer”, … Read more

Flutter: Null check operator used on a null value only when running in release mode, not debug

When I run this demo code (TabBarView) in debug mode, everything works fine. But when I run the demo into release mode “Flutter run –release”, i get Null check operator used on a null value. I tried ‘flutter pub cache repair’, but it didnt work. After I tap on the different bars it starts working. … Read more

How to run two sensors (GSR and BPM) on an arduino board with no bugs! I have a code but I need an expert to check what’s wrong with it

I’m working on a project that uses an arduino board with biomedical sensors (GSR and BPM) and in the project I have to run both of them at the same time (one code), I have managed to come up with a code that runs both of them but the issue is if your wear the … Read more

docker – Install Elasticsearch with HELM on EKS Cluster got Error unknown setting [node.data] please check that any required plugins are installed

Can u help me about elasticsearch, I’m using helm chart to install elasticsearch on EKS Cluster (AWS). this error log: {“@timestamp”:”2022-04-04T06:51:37.598Z”, “log.level”: “INFO”, “message”:”no plugins loaded”, “ecs.version”: “1.2.0”,”service.name”:”ES_ECS”,”event.dataset”:”elasticsearch.server”,”process.thread.name”:”main”,”log.logger”:”org.elasticsearch.plugins.PluginsService”,”elasticsearch.node.name”:”elasticsearch-master-2″,”elasticsearch.cluster.name”:”elasticsearch”} {“@timestamp”:”2022-04-04T06:51:37.764Z”, “log.level”: “INFO”, “message”:”using [1] data paths, mounts [[/usr/share/elasticsearch/data (/dev/nvme1n1)]], net usable_space [29.3gb], net total_space [29.4gb], types [ext4]”, “ecs.version”: “1.2.0”,”service.name”:”ES_ECS”,”event.dataset”:”elasticsearch.server”,”process.thread.name”:”main”,”log.logger”:”org.elasticsearch.env.NodeEnvironment”,”elasticsearch.node.name”:”elasticsearch-master-2″,”elasticsearch.cluster.name”:”elasticsearch”} {“@timestamp”:”2022-04-04T06:51:37.764Z”, “log.level”: “INFO”, “message”:”heap size [128mb], compressed … Read more

java – Infinispan health check not responding sometimes

Currently, we deploy three pods of Infinispan 13.0.6 in one DC and another 3 pods of Infinispan 13.0.6 in anther DC under OpenShift. One of the biggest issue is a lot of time we can see the health check at http://127.0.0.1:11222/rest/v2/cache-managers/default/health/status stop responding and the pods get killed due to failed the health check. We … Read more

Sending Posix message via pipe

Sending Posix message via pipe I have the following file called helper.h, which I want to call in server and client files later. Code: #ifndef HELPER_H #include <iostream> … Read more