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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...
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...
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...
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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