The most significant addition to the Java language since Sun Microsystems rewrote the collections API for Java 5 is the introduction of Java records. Java records address two significant pain points ...

Abstract: Fault injection, in particular Differential Fault Analysis (DFA), has become one of the main methods for exploiting vulnerabilities into the block ciphers currently used in a multitude of ...

What is regex: A sequence of characters defining a search pattern, used for matching, replacing, or validating text across ...

I built a coding tutor that won't let me cheat my way through it. Here's the prompt.

May 9, 2026 • The passage of the 1965 Voting Rights Act marked what many historians mark as the actual beginning of democracy in the US. But last week the Supreme Court gutted what was left of the ...

一个 Agent 跑几个小时，跨好几个上下文窗口，中途还把任务分给若干个 subagent，最后做出来的东西，还能不能被验证、被审计、被人或下一个 Agent 接着干下去。 这两周 Codex /goal 在群里被翻来覆去聊了好几轮。 它的思路很直白：给 Agent 一个一直挂在那儿的目标 ...