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What is a singleton in C#?
What is a Singleton and when should I use it?
16 Answers
16
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Selecting the last value of a column
I have a spreadsheet with some values in column G. Some cells are empty in between, and I need to get the last value from that column into another cell.
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What are the respective advantages/limitations of Amazon RDS vs. EC2 with MySQL? [closed]
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This is a simple question with a very complicated answer!
In short: EC2 will provide maximum performance if you go with a RAID0 EBS. Doing RAID0 EBS requires a pretty significant amount of maintenance overhead, for example:
http://alestic.com/2009/06...
Cross-browser custom styling for file upload button [duplicate]
...ersonal preferences, but I couldn't find any really solid ways to do this without JS. I did find two other questions about this subject, but the answers there either involved JavaScript, or suggested Quirksmode's approach .
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Difference between core and processor
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A core is usually the basic computation unit of the CPU - it can run a single program context (or multiple ones if it supports hardware threads such as hyperthreading on Intel CPUs), maintaining the correct program state, registers, and correct execution order, and p...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
I'm writing a web app for the iPad ( not a regular App Store app - it's written using HTML, CSS and JavaScript). Since the keyboard fills up a huge part of the screen, it would make sense to change the app's layout to fit the remaining space when the keyboard is shown. However, I have found no way ...
Most Useful Attributes [closed]
...{
public string FirstName;
public string LastName;
}
This is how it should look in the debugger:
Also, it is worth mentioning that [WebMethod] attribute with CacheDuration property set can avoid unnecessary execution of the web service method.
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Programmatic equivalent of default(Type)
...'s properties and set certain types to their default. Now, I could do a switch on the type and set the default(Type) explicitly, but I'd rather do it in one line. Is there a programmatic equivalent of default?
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Determine installed PowerShell version
...rmine what version of PowerShell is installed on a computer, and indeed if it is installed at all?
19 Answers
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SQL Server - Return value after INSERT
...the key-value back after an INSERT-statement.
Example:
I've got a table with the attributes name and id. id is a generated value.
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