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What does a \ (backslash) do in PHP (5.3+)?
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256
\ (backslash) is the namespace separator in PHP 5.3.
A \ before the beginning of a function re...
Install MySQL on Ubuntu without a password prompt
...-get -y install mysql-server
For specific versions, such as mysql-server-5.6, you'll need to specify the version in like this:
sudo debconf-set-selections <<< 'mysql-server-5.6 mysql-server/root_password password your_password'
sudo debconf-set-selections <<< 'mysql-server-5.6 m...
Append an object to a list in R in amortized constant time, O(1)?
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If it's a list of string, just use the c() function :
R> LL <- list(a="tom", b="dick")
R...
Reverse Range in Swift
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185
Update For latest Swift 3 (still works in Swift 4)
You can use the reversed() method on a range...
Git, see a list of comments of my last N commits
... you can use the --author=<your name>
For example: to see your last 5 commits
git log -n 5 --author=Salvador
If you want a simpler one line solution:
git log --oneline -n 5 --author=Salvador
Edited to add
If you like the single line version, try creating an alias for git log like this ...
How to include a child object's child object in Entity Framework 5
I am using Entity Framework 5 code first and ASP.NET MVC 3 .
4 Answers
4
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Validating IPv4 addresses with regexp
...dation, but without much luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results:
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How to get the first five character of a String
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You can use Enumerable.Take like:
char[] array = yourStringVariable.Take(5).ToArray();
Or you can use String.Substring.
string str = yourStringVariable.Substring(0,5);
Remember that String.Substring could throw an exception in case of string's length less than the characters required.
If ...