Translate all code to English (#1836)

* Review the EN heading format.

* Fix pythontutor headings.

* Fix pythontutor headings.

* bug fixes

* Fix headings in **/summary.md

* Revisit the CN-to-EN translation for Python code using Claude-4.5

* Revisit the CN-to-EN translation for Java code using Claude-4.5

* Revisit the CN-to-EN translation for Cpp code using Claude-4.5.

* Fix the dictionary.

* Fix cpp code translation for the multipart strings.

* Translate Go code to English.

* Update workflows to test EN code.

* Add EN translation for C.

* Add EN translation for CSharp.

* Add EN translation for Swift.

* Trigger the CI check.

* Revert.

* Update en/hash_map.md

* Add the EN version of Dart code.

* Add the EN version of Kotlin code.

* Add missing code files.

* Add the EN version of JavaScript code.

* Add the EN version of TypeScript code.

* Fix the workflows.

* Add the EN version of Ruby code.

* Add the EN version of Rust code.

* Update the CI check for the English version  code.

* Update Python CI check.

* Fix cmakelists for en/C code.

* Fix Ruby comments

.github/workflows/dart.yml

@@ -5,10 +5,14 @@ name: Dart
 on:
   push:
     branches: ["main"]
-    paths: ["codes/dart/**/*.dart"]
+    paths:
+      - "codes/dart/**/*.dart"
+      - "en/codes/dart/**/*.dart"
   pull_request:
     branches: ["main"]
-    paths: ["codes/dart/**/*.dart"]
+    paths:
+      - "codes/dart/**/*.dart"
+      - "en/codes/dart/**/*.dart"
   workflow_dispatch:
 
 permissions:
@@ -22,6 +26,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
         dart-sdk: [stable]
+        code-dir: ["codes/dart", "en/codes/dart"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Dart ${{ matrix.dart-sdk }}
@@ -29,8 +34,8 @@ jobs:
         with:
           sdk: ${{ matrix.dart-sdk}}
       - name: Run format
-        run: dart format codes/dart
+        run: dart format ${{ matrix.code-dir }}
       - name: Run analyze
-        run: dart analyze codes/dart
+        run: dart analyze ${{ matrix.code-dir }}
       - name: Run build
-        run: dart codes/dart/build.dart
+        run: dart ${{ matrix.code-dir }}/build.dart