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Understanding slice notation
...first character numbered 0. Then the right edge of the last character of a string of n characters has index n.
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Extract a number from a string (JavaScript)
I have a string in JavaScript like #box2 and I just want the 2 from it.
21 Answers
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How do arrays in C# partially implement IList?
...ot covariant (and can't be safely), array covariance allows this to work:
string[] strings = { "a", "b", "c" };
IList<object> objects = strings;
... which makes it look like typeof(string[]) implements IList<object>, when it doesn't really.
The CLI spec (ECMA-335) partition 1, sectio...
How to re-create database for Entity Framework?
... Yeah, all I had to do was delete the MDF, update the connection string in the web.config, then run the application and register a new account. It created all of the tables again in the new database automagically.
– Dan Bechard
Dec 29 '16 at 21:15
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Count number of occurrences of a pattern in a file (even on same line)
When searching for number of occurrences of a string in a file, I generally use:
5 Answers
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String difference in Bash
I'm trying to find a way to determine the difference between two strings in my script. I could easily do this with diff or comm, but I'm not dealing with files and I'd prefer not to output them to files, do the compare and read it back.
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How to calculate age (in years) based on Date of Birth and getDate()
... here. This is the only exactly correct code in this thread without (ugly) string transformations! @Jen It takes the month and day of the DoB (like September 25) and turns it into an integer value 0925 (or 925). It does the same with the current date (like December 16 becomes 1216) and then checks ...
Converting from IEnumerable to List [duplicate]
...rrayList();
_provinces.Add("Western");
_provinces.Add("Eastern");
List<string> provinces = _provinces.Cast<string>().ToList();
If you're using Generic version IEnumerable<T>, The conversion is straight forward. Since both are generics, you can do like below,
IEnumerable<in...
How can I make robocopy silent in the command line except for progress?
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Appears if you use /mir or /purge the extra files are still logged. Can't find a way to turn that off.
– bbodenmiller
Apr 14 '14 at 18:08
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Why do we need private subnet in VPC?
...has built-in redundancy for high availability. If you don't care about the extra $33/month, then the managed NAT instance is definitely worth the reduced headache of not having to maintain another instance. If you are running a VPN (e.g. OpenVPN) instance for access to your instances within the VPC,...