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Good Hash Function for Strings
...
Usually hashes wouldn't do sums, otherwise stop and pots will have the same hash.
and you wouldn't limit it to the first n characters because otherwise house and houses would have the same hash.
Generally hashs take values and...
What is a smart pointer and when should I use one?
...of the object being pointed to. There is no single smart pointer type, but all of them try to abstract a raw pointer in a practical way.
Smart pointers should be preferred over raw pointers. If you feel you need to use pointers (first consider if you really do), you would normally want to use a sma...
How can I make a TextArea 100% width without overflowing when padding is present in CSS?
...In chrome, when you focus textarea element it's gets hightlighted automatically and if you create padding for div wrapper, this padding will be visible and two borders will be visible because of that. One from hightlighting and another from .textwrapper border:1px solid #999999;
...
Changing case in Vim
...
Visual select the text, then U for uppercase or u for lowercase. To swap all casing in a visual selection, press ~ (tilde).
Without using a visual selection, gU<motion> will make the characters in motion uppercase, or use gu<motion> for lowercase.
For more of these, see Section 3 in ...
Difference between final and effectively final
...signment to numberLength
String currentNumber = phoneNumber.replaceAll(
regularExpression, "");
if (currentNumber.length() == numberLength)
formattedPhoneNumber = currentNumber;
else
formattedPhoneNumber = null;
}
...
}
...
}
...
ASP.NET custom error page - Server.GetLastError() is null
...rror.aspx" redirectMode="ResponseRewrite" />
the ResponseRewrite mode allows us to load the «Error Page» without redirecting the browser, so the URL stays the same, and importantly for me, exception information is not lost.
...
How can I convert a std::string to int?
...i( str )
where str is your number as std::string.
There are version for all flavours of numbers:
long stol(string), float stof(string), double stod(string),...
see http://en.cppreference.com/w/cpp/string/basic_string/stol
...
C# using streams
...ransfer data. There is a generic stream class System.IO.Stream, from which all other stream classes in .NET are derived. The Stream class deals with bytes.
The concrete stream classes are used to deal with other types of data than bytes. For example:
The FileStream class is used when the outside ...
Is an anchor tag without the href attribute safe?
...on.)
A placeholder link is also useful in cases where you want to dynamically set the destination of the link via JavaScript at runtime. You simply set the value of the href attribute, and the anchor tag becomes clickable.
See also:
https://stackoverflow.com/a/10510353/19112
http://www.html5in...
How do I escape spaces in path for scp copy in Linux?
...
Basically you need to escape it twice, because it's escaped locally and then on the remote end.
There are a couple of options you can do (in bash):
scp user@example.com:"'web/tmp/Master File 18 10 13.xls'" .
scp user@example.com...