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When to use an object instance variable versus passing an argument to the method
How do you decide between passing arguments to a method versus simply declaring them as object instance variables that are visible to all of the object's methods?
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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phone.
5 Answers
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How can I make my own event in C#?
... will contain information about the triggered event.
public delegate void MyEventHandler(object source, MyEventArgs e);
//This is a class which describes the event to the class that recieves it.
//An EventArgs class must always derive from System.EventArgs.
public class MyEventArgs ...
Why doesn't the JVM cache JIT compiled code?
... Because it's probably not worth it. If neither SUN, IBM nor BEA considered it worthwhile for their performance JVMs, there's going to be a good reason for it. Maybe their RT optimisation is faster than Oracle's, which is why Oracle caches it.
– skaffman
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nServiceBus vs Mass Transit vs Rhino Service Bus vs other?
...NServiceBus, and so his opinion may be a little biased here. :) Having said that, I completely agree, and would advocate the use of NServiceBus for the same reasons he has done.
– skb
Apr 24 '10 at 20:33
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Javascript when to use prototypes
...ve that by returning an object:
return {
show: function() { ... },
hide: function() { ... },
css: function() { ... },
animate: function() { ... },
// etc...
};
But that would mean that every jQuery object in memory would have dozens of named slots containing the same methods, over ...
Git authentication fails after enabling 2FA
...ny other changes I made) and git asked for my username and password. I provided both, but they were "wrong". I tried many of the solutions here: Git push requires username and password but that didn't work. In particular, when switching from https to ssh, the ssh key gives
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Visual Studio Disabling Missing XML Comment Warning
...d the required list of paramaters and a return tag (if the method is not void). I do use and like it, and I know quite a few other people who also do. It is true, however, that the description in the summary might need some editing, but this counts for most automatisms in such cases.
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how to create a file name with the current date & time in python?
...at was wrong with the code in the question. Nothing against the way Levon did this, it works fine, but when you say "not work, I don't know why", it seems odd because you have answers that explain why.
– David Heffernan
May 15 '12 at 19:58
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What is the lifetime of a static variable in a C++ function?
...emitter() { cout << "Destroyed " << str << endl; }
};
void foo(bool skip_first)
{
if (!skip_first)
static emitter a("in if");
static emitter b("in foo");
}
int main(int argc, char*[])
{
foo(argc != 2);
if (argc == 3)
foo(false);
}
Output:
C:>...