diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index eaaff8e..7cc5d79 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -13,12 +13,12 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "_posts/engineering/2024-08-13-conda环境库信息导出与复原.md",
+                "file": "_posts/coding/2024-08-13-数据结构知识池.md",
                 "mode": "source",
                 "source": false
               },
               "icon": "lucide-file",
-              "title": "2024-08-13-conda环境库信息导出与复原"
+              "title": "2024-08-13-数据结构知识池"
             }
           }
         ]
@@ -52,7 +52,7 @@
             "state": {
               "type": "search",
               "state": {
-                "query": "conda",
+                "query": "字符串",
                 "matchingCase": false,
                 "explainSearch": false,
                 "collapseAll": false,
@@ -198,6 +198,8 @@
   },
   "active": "1e2086f0928a3cb6",
   "lastOpenFiles": [
+    "_posts/pool/2024-11-01.md",
+    "_posts/engineering/2024-08-13-conda环境库信息导出与复原.md",
     "_posts/pool/2024-10-25.md",
     "_posts/pool/2024-10-16-as-rag模块拓展思考.md",
     "_posts/pool/2024-09-05-日记.md",
@@ -223,8 +225,6 @@
     "_posts/engineering/2024-09-13-linux安装全局可用的conda+创建有root权限的新账号.md",
     "_posts/engineering/2024-09-10-linux(wget)国内批量下载huggingface模型shell脚本.md",
     "_posts/engineering/2024-09-09-linux新机器安装nvidia驱动.md",
-    "_posts/engineering/2024-09-06-windows无cpu启动stable-diffusion API接口.md",
-    "_posts/engineering/2024-09-05-免费且私密的联网搜索组件duckduckgo.md",
     "assets/img/mrj9tyfxgpwc4ohkdhkq3uu3azxww8g.png",
     "assets/img/Dingtalk_20240906094335.jpg",
     "assets/img/Dingtalk_20240906103403.jpg",
diff --git "a/_posts/coding/2024-08-13-\346\225\260\346\215\256\347\273\223\346\236\204\347\237\245\350\257\206\346\261\240.md" "b/_posts/coding/2024-08-13-\346\225\260\346\215\256\347\273\223\346\236\204\347\237\245\350\257\206\346\261\240.md"
index 0d1050e..57888a4 100644
--- "a/_posts/coding/2024-08-13-\346\225\260\346\215\256\347\273\223\346\236\204\347\237\245\350\257\206\346\261\240.md"
+++ "b/_posts/coding/2024-08-13-\346\225\260\346\215\256\347\273\223\346\236\204\347\237\245\350\257\206\346\261\240.md"
@@ -63,3 +63,8 @@ df['col1'] = df['col1'].round(3)
 ```
 
 这将更新 `df` 中的 `'col1'` 列，使其所有数值都四舍五入到小数点后三位。
+
+# 字符串处理
+
+`.capitalize()`使首字母大写，其余全部小写
+`.isdigit()`检查是否全部为数字（小数不可检查，因为是字符级）
\ No newline at end of file
diff --git a/_posts/pool/2024-11-01.md b/_posts/pool/2024-11-01.md
new file mode 100644
index 0000000..94e7ea9
--- /dev/null
+++ b/_posts/pool/2024-11-01.md
@@ -0,0 +1,7 @@
+---
+title: 
+author: X
+date: "2024-11-01 14:31:07 +0800"
+categories: 
+tags:
+---