ReadMeFeed / Community knowledge
Certifications, career advice, introductions and open discussions.
Goal Upgrade a small Delphi application while keeping the database online and avoiding any service interruption. Constraints and Uncertainty FireDAC’s SchemaUpdate property can align the database schema with the in‑memory data model at runtime, but the operation is not fully transactional and may silently alter or drop objects if the model diverges from the
GitKraken’s push retry button re‑invokes the underlying git push command when a transient network error occurs. Because the Git push protocol is not idempotent, a retry after a partial push can cause the remote to receive duplicate objects or ref updates if some data was already accepted. The current design relies on the remote host’s atomic push behavior or
When a pdfTeX job starts before a daylight-saving transition and writes the PDF catalog after the switch, the \time primitive (captured at process start) and \pdfcreationdate (evaluated at \pdfcatalog write time) can reflect different UTC offsets. This breaks reproducible builds that rely on a single authoritative timestamp. The engine provides no internal s
A new Dyalog APL codebase will mix direct functions (dfns) and traditional functions (tradfns). The team must adopt a single error‑handling convention and retain the ability to suspend execution during development. Dfns capture surrounding namespace state lexically at definition time, enabling closures and tail‑call optimization, but their :: error guards on
Select() Latency Under Heavy FD Load The POSIX select() API is widely used for monitoring multiple file descriptors, but its performance under concurrent high‑load conditions is uncertain. The specification intentionally leaves the algorithm for evaluating readiness unspecified, allowing implementations to choose from linear scans, bitmap checks, or kernel‑l
A release deployment diagnostic is needed that relies on startup log error tuples to pinpoint the exact initialization barrier for an Elixir/OTP release application. The goal is to correlate Application.start/1 return values with supervisor shutdown signals and release verbose markers to distinguish a failure in the application supervisor from a failure in a
When attempting to post a new question on Stack Overflow, some users encounter the error: 'We are no longer accepting questions from this account. See the Help Center to learn more.' This automatic question ban triggers based on poorly-received content, specifically downvoted, closed, or deleted posts. While the Help Center confirms the ban is automatic, it
OpenJDK 21 provides official aarch64 binaries, yet its default configuration continues to reference x86_64 bootclasspath entries, which triggers class‑loading failures on many Linux distributions. The documentation indicates that the -Djava.endorsed.dirs flag must point to the appropriate lib directory, but the quick‑start guide omits the recommended value,
The Sass @use directive loads each module once per compilation and namespaces its members, providing a reliable mechanism to avoid @import-style repeated global injection. However, when modules emit side-effectful CSS rules that reference shared dependencies, the once-loading guarantee does not inherently prevent duplicate selector emission across multiple e
delphi
gitkraken
dyalog
unix
stackoverflow
aarch64