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Can you get the column names from a SqlDataReader?
...= cmd.ExecuteReader();
var columns = new List<string>();
for(int i=0;i<reader.FieldCount;i++)
{
columns.Add(reader.GetName(i));
}
or
var columns = Enumerable.Range(0, reader.FieldCount).Select(reader.GetName).ToList();
...
SQLAlchemy: What's the difference between flush() and commit()?
...
answered Nov 17 '10 at 6:25
snapshoesnapshoe
9,79611 gold badge2121 silver badges2323 bronze badges
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Parsing huge logfiles in Node.js - read in line-by-line
I need to do some parsing of large (5-10 Gb)logfiles in Javascript/Node.js (I'm using Cube).
11 Answers
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Xcode Project vs. Xcode Workspace - Differences
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Stoyan
20099 bronze badges
answered Feb 8 '14 at 10:37
hagihagi
9,85433 gold badges303...
How do I pass an extra parameter to the callback function in Javascript .filter() method?
...turn function(element) {
return element.indexOf(wordToCompare) === 0;
}
}
addressBook.filter(startsWith(wordToCompare));
Another option would be to use Function.prototype.bind [MDN] (only available in browser supporting ECMAScript 5, follow a link for a shim for older browsers) and "f...
What is a “cache-friendly” code?
...erb Sutter's talk on machine architecture (youtube) (specifically check 12:00 and onwards!).
Slides about memory optimization by Christer Ericson (director of technology @ Sony)
LWN.net's article "What every programmer should know about memory"
Main concepts for cache-friendly code
A very important...
What is a Portable Class Library?
...
UPDATE Oct 9 2017: Article comparing/constrasting .NET Core/Std/PCL
UPDATE Nov 23 2016: Article by Rick Strahl
UPDATE Oct 29 2016: .NETStandard 1->2 FAQ
UPDATE Oct 19 2016: This is the best interview/video I've seen to date covering .N...
Python loop that also accesses previous and next values
...
102
This should do the trick.
foo = somevalue
previous = next_ = None
l = len(objects)
for index, ...
Changing the color of an hr element
...ecifies the following rule:
hr { display: block; height: 1px;
border: 0; border-top: 1px solid #ccc;
margin: 1em 0; padding: 0; }
An article titled “12 Little-Known CSS Facts”, published recently by SitePoint, mentions that <hr> can set its border-color to its parent's color if ...