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When to use IList and when to use List

I know that IList is the interface and List is the concrete type but I still don't know when to use each one. What I'm doing now is if I don't need the Sort or FindAll methods I use the interface. Am I right? Is there a better way to decide when to use the interface or the concrete type? ...
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How do I define and use an ENUM in Objective-C?

... that's #imported into your header), because otherwise the compiler won't know what size to make the PlayerState ivar. Other than that, it looks ok to me. share | improve this answer | ...
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static function in C

...e this: #include "header.h" int main(void) { FunctionInHeader(); } Now consider three cases: Case 1: Our header file ("header.h") looks like this: #include <stdio.h> static void FunctionInHeader(); void FunctionInHeader() { printf("Calling function inside header\n"); } Then ...
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How do I retrieve my MySQL username and password?

... irretrievable. It has been hashed with a one way hash which if you don't know is irreversible. I recommend go with Xenph Yan above and just create an new one. You can also use the following procedure from the manual for resetting the password for any MySQL root accounts on Windows: Log on to y...
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Could not open a connection to your authentication agent

... @xtian I'm not sure that I understand the issue. I don't know the exact details, but I'm guessing that the private key is never sent over the network. I think ssh-add merely decrypts an encrypted private key on the host machine, so that it can be used locally...it's never sent to an...
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SharedPreferences.onSharedPreferenceChangeListener not being called consistently

...dated with warnings about this behavior. So, oddball behavior remains. But now it's documented. share | improve this answer | follow | ...
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Idiomatic way to wait for multiple callbacks in Node.js

...hat is the idiomatic way to wait for all operations to finish in order to know when the temp file can be deleted? 8 Answers...
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What is stack unwinding?

...e compiler inserting calls to destructors of automatic (stack) variables. Now this is a very powerful concept leading to the technique called RAII, that is Resource Acquisition Is Initialization, that helps us manage resources like memory, database connections, open file descriptors, etc. in C++. ...
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Interface vs Abstract Class (general OO)

... seems they are waiting for me to mention something specific, and I don't know what it is. 35 Answers ...
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How to do a FULL OUTER JOIN in MySQL?

... and I see now that you say that yourself, sorry. Perhaps you could update your answer, given there is this case that it gets wrong and that the UNION ALL is always going to be more efficient? – ysth ...