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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...
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When should I use File.separator and when File.pathSeparator?

In the File class there are two strings, separator and pathSeparator . 3 Answers ...
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How to prune local tracking branches that do not exist on remote anymore

...es. This line should do the trick (requires bash or zsh, won't work with standard Bourne shell): git branch -r | awk '{print $1}' | egrep -v -f /dev/fd/0 <(git branch -vv | grep origin) | awk '{print $1}' | xargs git branch -d This string gets the list of remote branches and passes it into egrep...
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Add IIS 7 AppPool Identities as SQL Server Logons

...actually, it will find it, but it will think its an actual system account, and it will try to treat it as such...which won't work, and will give you the error message about it not being found). How I've gotten it to work is: In SQL Server Management Studio, look for the Security folder (the secu...
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Order of member constructor and destructor calls

Oh C++ gurus, I seek thy wisdom. Speak standardese to me and tell my if C++ guarantees that the following program: 4 Answer...
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Find MongoDB records where array field is not empty

... To me that's the correct approach, since it makes sure the array exists and is not empty. – LeandroCR Mar 19 '15 at 14:34 ...
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What is the difference between getFields and getDeclaredFields in Java reflection

I'm a little confused about the difference between the getFields method and the getDeclaredFields method when using Java reflection. ...
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Easy way to write contents of a Java InputStream to an OutputStream

... but I suspect I'm just missing something which would make my life easier (and the code clearer). 23 Answers ...
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Viewing complete strings while debugging in Eclipse

While debugging Java code, Strings in the views "Variables" and "Expressions" show up only till a certain length, after which Eclipse shows "..." ...
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Pandas read_csv low_memory and dtype options

...emory warning is because guessing dtypes for each column is very memory demanding. Pandas tries to determine what dtype to set by analyzing the data in each column. Dtype Guessing (very bad) Pandas can only determine what dtype a column should have once the whole file is read. This means nothing can...