{"url":"https://horiuchi.hateblo.jp/entry/20060608/1149750068","image_url":null,"published":"2006-06-08 16:01:08","provider_url":"https://hatena.blog","height":"190","description":"\u3042\u308b\u6a5f\u80fd\u3067\u3001\u51c4\u304f\u7c21\u7565\u5316\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u304c\u3042\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u4f8b\u5916\u304c\u6295\u3052\u3089\u308c\u305a\u306b str.SubString(0, a); \u304c\u5b9f\u884c\u3055\u308c\u3066\u3057\u307e\u3044\u3001\u305d\u3053\u3067\u5b9f\u884c\u6642\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\u3048\u30fc\u3063\u3068\u3001\u306a\u3093\u306a\u3093\u3067\u3057\u3087\u3046\uff1f\uff1f\uff1f\u30c7\u30d0\u30c3\u30ab\u3067\u6b62\u3081\u3066\u307f\u3066\u3082\u3001\u78ba\u304b\u306b a == -1, b == -1\u306a\u306e\u3067\u3059\u3002 string str = \"\u301c\"; int a = -1, b = -1; if (a <= 0 || b < 0) { throw new Exception(); } str.SubString(0, a); return 0;\u4f55\u304b\u8a00\u8a9e\u4ed5\u69d8\u3067\u52d8\u9055\u3044\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u3042\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1fthrow\u3057\u305f\u5834\u5408\u306f\u3001\u305d\u306e\u5148\u2026","blog_title":"\u3057\u304c\u306a\u3044\u30d7\u30ed\u30b0\u30e9\u30de \u306e\u65e5\u8a18","categories":["C#"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhoriuchi.hateblo.jp%2Fentry%2F20060608%2F1149750068\" title=\"\u4e0d\u601d\u8b70\u306a\u52d5\u4f5c - \u3057\u304c\u306a\u3044\u30d7\u30ed\u30b0\u30e9\u30de \u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://horiuchi.hateblo.jp/","version":"1.0","author_name":"Horiuchi_H","provider_name":"Hatena Blog","width":"100%","title":"\u4e0d\u601d\u8b70\u306a\u52d5\u4f5c","type":"rich","author_url":"https://blog.hatena.ne.jp/Horiuchi_H/"}