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What is the >>>= operator in C?
...ague as a puzzle, I cannot figure out how this C program actually compiles and runs. What is this >>>= operator and the strange 1P1 literal? I have tested in Clang and GCC. There are no warnings and the output is "???"
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Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL?
What are the differences between PRIMARY, UNIQUE, INDEX and FULLTEXT when creating MySQL tables?
3 Answers
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Ways to save enums in database
...store enumerations as numerical ordinal values anymore; it makes debugging and support way too difficult. We store the actual enumeration value converted to string:
public enum Suit { Spade, Heart, Diamond, Club }
Suit theSuit = Suit.Heart;
szQuery = "INSERT INTO Customers (Name, Suit) " +
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Number of visitors on a specific page
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Go to Behavior > Site Content > All Pages and put your URI into the search box.
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'innerText' works in IE, but not in Firefox
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Firefox uses the W3C-compliant textContent property.
I'd guess Safari and Opera also support this property.
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SQL Data Reader - handling Null column values
...der.GetString(indexFirstName);
}
That's your only reliable way to detect and handle this situation.
I wrapped those things into extension methods and tend to return a default value if the column is indeed null:
public static string SafeGetString(this SqlDataReader reader, int colIndex)
{
if(!...
How can I use jQuery in Greasemonkey?
...bes for manually adding a script element to the page.
Between version 0.8 and 0.9, @require is only processed when the script is first installed. If you change the list of required scripts, you need to uninstall your script and reinstall it; Greasemonkey downloads the required script once at instal...
WCF vs ASP.NET Web API [closed]
I've spent a few months trying to grasp the concepts behind WCF and recently I've developed my first WCF service application.
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How to use JavaScript source maps (.map files)?
...js.map extension shipped with some JavaScript libraries (like Angular ), and that just raised few questions in my head:
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How do I wrap a selection with an HTML tag in Visual Studio?
...is available in Visual Studio 2017 as well, but you must have the "ASP.NET and Web Development" workload installed.
Example
Shift+Alt+W > p > Enter
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