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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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How to check if a string is a valid hex color representation?

...beginning # -> a hash [0-9A-F] -> any integer from 0 to 9 and any letter from A to F {6} -> the previous group appears exactly 6 times $ -> match end i -> ignore case If you need support for 3-character HEX codes, use the following: /^#([0-9A-F]{...
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Removing Java 8 JDK from Mac

...l jdk 8 in mavericks successfully doing the following steps: Run this command to just remove the JDK sudo rm -rf /Library/Java/JavaVirtualMachines/jdk<version>.jdk Run these commands if you want to remove plugins sudo rm -rf /Library/PreferencePanes/JavaControlPanel.prefPane sudo rm -rf /...
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What size should apple-touch-icon.png be for iPad and iPhone?

Are Apple touch icons bigger than 60x60 supported, and if so, what dimensions should I use for the iPad and iPhone? 11 Answ...
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SQL Server NOLOCK and joins

Background: I have a performance-critical query I'd like to run and I don't care about dirty reads. 3 Answers ...
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CSS: Setting width/height as Percentage minus pixels

I'm trying to create some re-usable CSS classes for more consistency and less clutter on my site, and I'm stuck on trying to standardize one thing I use frequently. ...
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How can I pass a list as a command-line argument with argparse?

I am trying to pass a list as an argument to a command line program. Is there an argparse option to pass a list as option? ...
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.NET Global exception handler in console application

Question: I want to define a global exception handler for unhandled exceptions in my console application. In asp.net, one can define one in global.asax, and in windows applications /services, one can define as below ...
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pandas DataFrame: replace nan values with average of columns

I've got a pandas DataFrame filled mostly with real numbers, but there is a few nan values in it as well. 10 Answers ...
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How can I create download link in HTML?

... @Dudeson please specify what "won't work" and which version(s) of IE you are talking about. (It is now safe to use the approach described TIIUNDER's much more recent answer below, though. It should get the accept mark.) – Pekka ...