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Java - How to create new Entry (key, value)
...y<String, Object> entry = new MyEntry<String, Object>("Hello", 123);
System.out.println(entry.getKey());
System.out.println(entry.getValue());
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Mercurial for Beginners: The Definitive Practical Guide
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This is the heavyweight way that git people always make fun of Mercurial people for recommending. A lighter, more familiar way to beginners would be hg branch my-branch
– Steve Losh
Jul 23 '09 at 12:01
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Is volatile expensive?
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When should std::move be used on a function return value? [duplicate]
...on are met or would be
met save for the fact that the source object is a function parameter,
and the object to be copied is designated by an lvalue, overload
resolution to select the constructor for the copy is first performed as
if the object were designated by an rvalue.
return foo; is ...
How to shorten my conditional statements
...a comparison on the return value. I wish JavaScript would have an in_array function that returns a Boolean directly (similar to PHP), but that's just wishful thinking (Update: it now does. It's called includes. See above). Note that jQuery's inArray, while sharing PHP's method signature, actually mi...
Python os.path.join on Windows
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123
To be even more pedantic, the most python doc consistent answer would be:
mypath = os.path.jo...
What is the coolest thing you can do in
... commands you can use. Check http://www.microsoft.com/technet/scriptcenter/funzone/agent.mspx for more information.
EDIT 2011-09-02
I recently discovered that Microsoft Agent is not natively installed on Windows 7. However it is offered as a separate download here. I have not tested this so cannot ...
Why are C# 3.0 object initializer constructor parentheses optional?
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Dynamically select data frame columns using $ and a character value
...is a reproducible example below:
# set seed for reproducibility
set.seed(123)
df <- data.frame( col1 = sample(5,10,repl=T) , col2 = sample(5,10,repl=T) , col3 = sample(5,10,repl=T) )
# We want to sort by 'col3' then by 'col1'
sort_list <- c("col3","col1")
# Use 'do.call' to call order. S...
Converting String to Int with Swift
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swift 4.0
let stringNumber = "123"
let number = Int(stringNumber) //here number is of type "Int?"
//using Forced Unwrapping
if number != nil {
//string is converted to Int
}
you could also use Optional Binding other than forced binding.
eg...