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Iterator Loop vs index loop [duplicate]
I'm reviewing my knowledge on C++ and I've stumbled upon iterators. One thing I want to know is what makes them so special and I want to know why this:
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When someone writes a new programming language, what do they write it IN?
Please excuse my ignorance. I'm dabbling in PHP and getting my feet wet browsing SO, and feel compelled to ask a question that I've been wondering about for years:
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Does Java support default parameter values?
I came across some Java code that had the following structure:
24 Answers
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SHFileOperation 这个API函数怎么用起来结果飘忽不定？ - c++1y / stl - 清...
...样，笔者亲测，删除有时成功有时失败。
解决：
改用C++的FindNextFile，支持 * 通配符查找文件，核心代码如下：
WIN32_FIND_DATA FindFileData;
char szCurPath[MAX_PATH + 1] = { 0 };
GetCurrentDirectory(MAX_PATH, szCurPath);
CString findFileName;
findFileName.Form...
C++字符串截断时中文的处理问题（中文被截断怎么处理？） - c++1y / stl - ...
...，不为零则该字节是汉字的第一个字节，否则是普通的ASCII字符。
具体请参考：http://www.tsingfun.com/html/2016/dev_0331/1335.html
当然，还有其他方式就是判断 > 127 或 < 0（即首bit为1，signed时值为负），道理也是一样，不过推荐...
c++编译错误：invalid new-expression of abstract class type - c++1y / s...
...bsp;} 空函数体也是实现。
纯虚函数相当于C#中abstract抽象类。
=0 说明函数是抽象的方法，谁继承它就必须实现它
否则不能new。
HTML text-overflow ellipsis detection
I have a collection of block elements on a page. They all have the CSS rules white-space, overflow, text-overflow set so that overflowing text is trimmed and an ellipsis is used.
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Quickly reading very large tables as dataframes
...at I would like to load as a dataframes in R. read.table() has a lot of convenient features, but it seems like there is a lot of logic in the implementation that would slow things down. In my case, I am assuming I know the types of the columns ahead of time, the table does not contain any column...
C read file line by line
I wrote this function to read a line from a file:
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