大约有 45,000 项符合查询结果（耗时：0.0384秒） [XML]
What is the recommended batch size for SqlBulkCopy?
...s my SQL Server instance. Using a custom IDataReader, it parses flat files and inserts them into a database using SQLBulkCopy. A typical file has about 6M qualified rows, averaging 5 columns of decimal and short text, about 30 bytes per row.
Given this scenario, I found a batch size of 5,000 to be...
Separating class code into a header and cpp file
I am confused on how to separate implementation and declarations code of a simple class into a new header and cpp file. For example, how would I separate the code for the following class?
...
Difference between == and === in JavaScript [duplicate]
What is the difference between == and === in JavaScript? I have also seen != and !== operators. Are there more such operators?
...
How to recover MySQL database from .myd, .myi, .frm files
...
If these are MyISAM tables, then plopping the .FRM, .MYD, and .MYI files into a database directory (e.g., /var/lib/mysql/dbname) will make that table available. It doesn't have to be the same database as they came from, the same server, the same MySQL version, or the same architectu...
Changing Vim indentation behavior by file type
...auses vim to use tabs with a width of 2 characters for indenting (the noexpandtab option is set globally elsewhere in my configuration).
This is described here: http://vimdoc.sourceforge.net/htmldoc/usr_05.html#05.4, scroll down to the section on filetype plugins.
...
Setting the default Java character encoding
...r main method is entered, the character encoding used by String.getBytes() and the default constructors of InputStreamReader and OutputStreamWriter has been permanently cached.
As Edward Grech points out, in a special case like this, the environment variable JAVA_TOOL_OPTIONS can be used to specify...
What is the difference between lemmatization vs stemming?
...
Short and dense: http://nlp.stanford.edu/IR-book/html/htmledition/stemming-and-lemmatization-1.html
The goal of both stemming and lemmatization is to reduce inflectional forms and sometimes derivationally related forms of a word t...
What does the git index contain EXACTLY?
What does the Git index exactly contain, and what command can I use to view the content of the index?
5 Answers
...
How can I lock a file using java (if possible)
...utStreamReader(in, charset)
) {
...
}
(Disclaimer: Code not compiled and certainly not tested.)
Note the section entitled "platform dependencies" in the API doc for FileLock.
share
|
improve ...
Why is my git repository so big?
... pulled the wrong remote repository into the local one (git remote add ... and git remote update). After deleting the unwanted remote ref, branches and tags I still had 1.4GB (!) of wasted space in my repository. I was only able to get rid of this by cloning it with git clone file:///path/to/repos...