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【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
...个新文件，若文件已存在，则该文件被清空；
CFile::modeRead 用于只读； CFile::modeReadWrite 用于读写；
CFile::modeWrite 用于只写； CFile::modeNoInherit 阻止文件被子进程继承；
返回值：若打开成功，返回非0；否则返回0
CFile::Read 从文...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...义影响最后生成的可执行文件，可执行文件的规模从小到大，可以有很多种类型，在DOS的可执行程序中，有只用到64KB的.com文件，也有大大小小的.exe文件。到了Win32环境下，又有了可以用4GB内存的PE格式可执行文件，编写不同类...
What is the difference between Non-Repeatable Read and Phantom Read?
What is the difference between non-repeatable read and phantom read?
9 Answers
9
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How to import multiple .csv files at once?
... a single list:
temp = list.files(pattern="*.csv")
myfiles = lapply(temp, read.delim)
This assumes that you have those CSVs in a single directory--your current working directory--and that all of them have the lower-case extension .csv.
If you then want to combine those data frames into a single ...
Difference between “read commited” and “repeatable read”
...
Read committed is an isolation level that guarantees that any data read was committed at the moment is read. It simply restricts the reader from seeing any intermediate, uncommitted, 'dirty' read. It makes no promise whatsoev...
Why can't I call read() twice on an open file?
For an exercise I'm doing, I'm trying to read the contents of a given file twice using the read() method. Strangely, when I call it the second time, it doesn't seem to return the file content as a string?
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Reading binary file and looping over each byte
In Python, how do I read in a binary file and loop over each byte of that file?
12 Answers
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Spring @Transactional - isolation, propagation
...e exists.
Isolation
Defines the data contract between transactions.
Read Uncommitted: Allows dirty reads.
Read Committed: Does not allow dirty reads.
Repeatable Read: If a row is read twice in the same transaction, the result will always be the same.
Serializable: Performs all transactions in...
Read stream twice
How do you read the same inputstream twice? Is it possible to copy it somehow?
10 Answers
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Reading Xml with XmlReader in C#
I'm trying to read the following Xml document as fast as I can and let additional classes manage the reading of each sub block.
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