Update cheatsheets

dlv

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# dlv
+
+> Debugger for the Go programming language.
+> More information: <https://github.com/go-delve/delve/blob/master/Documentation/usage/dlv.md>.
+
+- Compile and begin debugging the main package in the current directory (by default, with no arguments):
+
+`dlv debug`
+
+- Compile and begin debugging a specific package:
+
+`dlv debug {{package}} {{arguments}}`
+
+- Compile a test binary and begin debugging the compiled program:
+
+`dlv test`
+
+- Connect to a headless debug server:
+
+`dlv connect {{ip_address}}`
+
+- Attach to a running process and begin debugging:
+
+`div attach {{pid}}`
+
+- Compile and begin tracing a program:
+
+`dlv trace {{package}} --regexp '{{regular_expression}}'`