Leetcode: Read N Characters Given Read4 II - Call multiple times
這道題跟I不一樣在於，read函數可能多次調用，比如read(buf,23)之后又read(buf, 25), 第一次調用時的buffer還沒用完，還剩一個char在buffer里，第二次拿出來接着用，這樣才能保證接着上次讀的地方繼續往下讀。 1. 所以應該設置這4個char ...
原文：【原創】InputStream has already been read - do not use InputStreamResource if a stream needs to be read multiple times
一 背景 基於SpringBoot 構建了一個http文件下載服務，檢查tomcat access 發現偶爾出現 狀態碼的請求，檢查拋出的異常堆棧 : : , ERROR http bio exec o.s.b.w.s.s.ErrorPageFilter Forwarding to error page from request demo.xls due to exception org.spri ...
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[LeetCode] 158. Read N Characters Given Read4 II - Call multiple times
The API: int read4(char *buf) reads 4 characters at a time from a file. The return value is the actual number of characters read. For example ...
[leetcode]Read N Characters Given Read4 II - Call multiple times
leetcode上面寫的難度是hard，其實很簡單，前面也寫了，加個buffer就好了。 ...
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Filesystem has been set read-only problem.
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