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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...torage space for number of characters you specify even if you don't use up all that space.
varchar and nvarchar are variable-length which will only use up spaces for the characters you store. It will not reserve storage like char or nchar.
nchar and nvarchar will take up twice as much storage spac...
How to get the browser viewport dimensions?
...zoom variations may cause mobile values to wrongly scale down to what PPK calls the visual viewport and be smaller than the @media values
zoom may cause values to be 1px off due to native rounding
undefined in IE8-
document.documentElement.clientWidth and .clientHeight
equals CSS viewport width mi...
What's the @ in front of a string in C#?
...tring as a verbatim string literal - anything in the string that would normally be interpreted as an escape sequence is ignored.
So "C:\\Users\\Rich" is the same as @"C:\Users\Rich"
There is one exception: an escape sequence is needed for the double quote. To escape a double quote, you need to put...
Most efficient way to remove special characters from string
I want to remove all special characters from a string. Allowed characters are A-Z (uppercase or lowercase), numbers (0-9), underscore (_), or the dot sign (.).
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Can I invoke an instance method on a Ruby module without including it?
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If a method on a module is turned into a module function you can simply call it off of Mods as if it had been declared as
module Mods
def self.foo
puts "Mods.foo(self)"
end
end
The module_function approach below will avoid breaking any classes which include all of Mods.
module Mods
...
“unrecognized import path” with go get
I'm trying to install a web.go , but running go get github.com/hoisie/web returns
9 Answers
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Converting Epoch time into the datetime
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actually i am getting that value from bigbluebutton server
– user1667633
Sep 13 '12 at 6:43
20
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How do you read from stdin?
I'm trying to do some of the code golf challenges, but they all require the input to be taken from stdin . How do I get that in Python?
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get string value from HashMap depending on key name
...o see a String, such as "ABC" or "DEF" as that is what I put in there initially, but if I do a System.out.println() I get something like java.lang.string#F0454
Sorry, I'm not too familiar with maps as you can probably guess ;)
You're seeing the outcome of Object#toString(). But the java.lang....
How To Set Up GUI On Amazon EC2 Ubuntu server
...ntu EC2 instance which is only has a command line interface. I want to setup UI for that server to access using remote desktop tools. Is there any way to apply GUI to the EC2 instance?
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