Apache Nifi is not starting: Management Server Address System Property

Summary An Apache NiFi 2.7.2 instance fails to start due to a misconfigured Management Server address. The root cause is an invalid configuration value (127.0.0.1:?????) that violates the expected format, preventing the Management Server from being instantiated. The fix involves correcting the configuration in nifi.properties to use a valid host and port, followed by a … Read more

sqlcmd command not found in SQL Server 2022 Docker container

Summary The user is unable to run sqlcmd inside the official SQL Server 2022 Docker container because the base image (mcr.microsoft.com/mssql/server:2022-latest) does not include the mssql-tools package by default. This is a deliberate design choice to keep the database server image lean and focused on the engine. Additionally, attempting to install the tools using apt-get … Read more

How can I use the Run/Debug button for my own VS Code extension’s command?

Summary The user’s request concerns integrating a custom MicroPython extension with the VS Code Run/Debug UI, specifically the “play button” in the title bar. The root issue is a misunderstanding of VS Code’s architecture: the Run/Debug button is strictly tied to Debuggers (via debuggers contribution point) or Tasks. It is not a generic UI element … Read more

Cause of lldb “error: Couldn’t apply expression side effects : couldn’t dematerialize register x0 without a stack frame” in python script context

Summary A Python script invoking po $x0 via HandleCommand immediately after selecting thread and frame context in LLDB fails intermittently with “Couldn’t apply expression side effects : couldn’t dematerialize register x0 without a stack frame”. This is not a failure of the command sequence itself, but rather a race condition between the inferior process stop … Read more

Zoho ASAP JWT authentication enabled but widget still behaves as guest user and asks for email/name

Summary JWT authentication fails silently, causing Zoho Desk ASAP widget to revert to guest mode due to authentication scope mismatch between SSO login and widget authentication. Initial Hypothesis: Invalid JWT payload or signature. Actual State: JWT is cryptographically valid and correctly signed (HS256). Primary Symptom: The widget loads but prompts for email/name on ticket submission … Read more

How to place content in the bottom of the website/web page?

Summary The user attempted to place text at the bottom of a signup page but failed. The primary cause is a misunderstanding of CSS positioning contexts, specifically viewport versus document height, and the interaction between margins, padding, and parent container constraints. A secondary cause is often the use of position: absolute or fixed without a … Read more

How to configure portainer and reverse nginx on my VPS?

Summary A user attempted to set up container orchestration on an Ubuntu VPS using Docker, Portainer, and Nginx Proxy Manager (NPM). The goal was to expose these management interfaces via custom subdomains. The configuration resulted in 502 Bad Gateway errors for Portainer and SSL_ERROR_UNRECOGNIZED_NAME_ALERT errors for NPM. The root causes were improper upstream configuration within … Read more

How to reduce MoE (Mixture of Experts) inference cost with dynamic expert selection?

Summary The core challenge in reducing Mixture-of-Experts (MoE) inference cost lies in avoiding uniform compute allocation across all inputs. Standard MoE architectures, like Mixtral 8x7B, utilize a fixed top-k (K=2) routing mechanism, which applies the same computational budget regardless of input complexity. This leads to significant inefficiency for simple or redundant tokens. The proposed solution … Read more

How to reduce MoE (Mixture of Experts) inference cost with dynamic expert selection?

Summary The core challenge in reducing Mixture-of-Experts (MoE) inference cost lies in avoiding uniform compute allocation across all inputs. Standard MoE architectures, like Mixtral 8x7B, utilize a fixed top-k (K=2) routing mechanism, which applies the same computational budget regardless of input complexity. This leads to significant inefficiency for simple or redundant tokens. The proposed solution … Read more