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C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...说FileStream、MemoryStream、 BufferedStream、 NetWorkStream、 StreamReader StreamWriter、 TextReader TextWriter等的简单用法。一、FileStream类
FileStream类主要用于读取磁盘上的文件或者向磁盘文件写入信息。有时，我们需要将程序中的一些数据存储...
SCOPE_IDENTITY() for GUIDs?
...inserted.GuidColumn
VALUES(1)
The example above is useful if you want to read the value from a .Net client. To read the value from .Net you would just use the ExecuteScalar method.
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string sql = "INSERT INTO GuidTest(IntColumn) OUTPUT inserted.GuidColumn VALUES(1)";
SqlCommand cmd = new SqlCom...
Heavy usage of Python at Google [closed]
...e answer, because by the time I interviewed at Google in 2004 Python was already prominent at Google.
Indeed, there's one apparently attractive explanation that I can definitely deny: it's not that Google uses Python because it employs so many prominent Pythonistas -- rather, most "prominent Python...
VIM + JSLint?
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@jamessan: the mylintrun.js script reads the file from stdin. So that's what the catting is for. For the error output mylintrun.js needs also the file name, so it is given as an argument. You could modify the script to open the file for reading instead of read...
Do spurious wakeups in Java actually happen?
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The Wikipedia article on spurious wakeups has this tidbit:
The pthread_cond_wait() function in Linux is implemented using the futex system call. Each blocking system call on Linux returns abruptly with EINTR when the process receives a signal. ... pthread_cond_wait() can't restart the waiti...
Using Excel OleDb to get sheet names IN SHEET ORDER
I'm using OleDb to read from an excel workbook with many sheets.
11 Answers
11
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How to get the second column from command output?
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You don't need awk for that. Using read in Bash shell should be enough, e.g.
some_command | while read c1 c2; do echo $c2; done
or:
while read c1 c2; do echo $c2; done < in.txt
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Make copy of an array
... time, don't matter. The more important point is that src.clone() is more readable and has far less opportunity for error than allocating a new array and doing arraycopy. (And also happens to be fast.)
– Brian Goetz
Mar 17 at 14:03
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Where are environment variables stored in registry?
...s an environment variable remotely. To do this I think the best way is to read it from registry.
4 Answers
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GPL and LGPL open source licensing restrictions [closed]
I am having trouble understanding the usage permissions of open source. I read somewhere that GPL or LGPL enforces that software that uses GPL software must also be released open-source. I want to create an application that uses some open-source image recognition library. Can I sell this application...