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Why are C# 3.0 object initializer constructor parentheses optional?
It seems that the C# 3.0 object initializer syntam>x m> allows one to em>x m>clude the open/close pair of parentheses in the constructor when there is a parameterless constructor em>x m>isting. Em>x m>ample:
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C# operator overload for `+=`?
...rs, from MSDN:
Assignment operators cannot be overloaded, but +=, for em>x m>ample, is evaluated using +, which can be overloaded.
Even more, none of assignment operators can be overloaded. I think this is because there will be an effect for the Garbage collection and memory management, which is a...
Dealing with float precision in Javascript [duplicate]
...t. I want to group them by rounding them down to the nearest multiple of m>x m> and convert the result to a string.
5 Answer...
Creating my own Iterators
...ber of templates and concepts to implement new iterators and adapters for em>x m>isting iterators. I have written an article about this very topic; it's in the December 2008 ACCU magazine. It discusses an (IMO) elegant solution for em>x m>actly your problem: em>x m>posing member collections from an object, using B...
How to simulate a click by using m>x m>,y coordinates in JavaScript?
...entFromPoint and HTMLElement.prototype.click(), since at least IE 6, Firefom>x m> 5, any version of Chrome and probably any version of Safari you're likely to care about. It will even follow links and submit forms:
document.elementFromPoint(m>x m>, y).click();
https://developer.mozilla.org/En/DOM:document...
How to avoid warning when introducing NAs by coercion
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Use suppressWarnings():
suppressWarnings(as.numeric(c("1", "2", "m>X m>")))
[1] 1 2 NA
This suppresses warnings.
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Preserving signatures of decorated functions
Suppose I have written a decorator that does something very generic. For em>x m>ample, it might convert all arguments to a specific type, perform logging, implement memoization, etc.
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Build an ASCII chart of the most commonly used words in a given tem>x m>t [closed]
Build an ASCII chart of the most commonly used words in a given tem>x m>t.
59 Answers
59
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In R, how to get an object's name after it is sent to a function?
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The old deparse-substitute trick:
a<-data.frame(m>x m>=1:10,y=1:10)
test<-function(z){
mean.m>x m><-mean(z$m>x m>)
nm <-deparse(substitute(z))
print(nm)
return(mean.m>x m>)}
test(a)
#[1] "a" ... this is the side-effect of the print() call
# ... you could have...
Convert Dictionary to semicolon separated string in c#
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using System.Linq;
string s = string.Join(";", myDict.Select(m>x m> => m>x m>.Key + "=" + m>x m>.Value).ToArray());
(And if you're using .NET 4, or newer, then you can omit the final ToArray call.)
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