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C++ static virtual members?
...d of using static methods, use a singleton with virtual methods.
In other words, each class should contain a static method that you call to get a pointer to a single, shared instance of the class. You can make the true constructors private or protected so that outside code can't misuse it by creati...
Can I assume (bool)true == (int)1 for any C++ compiler?
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@Joshua: true is a keyword defined by the language. It can not be redefined by a library. #defines are not allowed to redefine keywords.
– jalf
Apr 27 '10 at 21:04
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Reset C int array to zero : the fastest way?
...as to write your own optimized zeroing method - could you please spare few words on HOW it works, and WHY it is faster? the code is all but self-explanatory.
– Motti Shneor
Dec 31 '19 at 14:15
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How do I increase the number of displayed lines of a Java stack trace dump?
... thrown from same method as the "causative exception" is caught.
In other words, the "... x more" only appears on a chained exception, and only when the last x lines of the stack trace are already present as part of another chained exception's stack trace.
Suppose that a method catches exception Fo...
What is the difference between JSF, Servlet and JSP?
... @Oberon: Thanks for the reply. It took a while for me to find the exact words so went for book. If its not appropriate, then you or any one can suggest me to take down the answer. I'll be glad to do it.
– Kishor Prakash
Aug 1 '13 at 4:21
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How to ignore whitespace in a regular expression subject string?
...t]*t[ \t]*s\b
Remove the \b anchors if you also want to find cats within words like bobcats or catsup.
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Why use 'virtual' for class properties in Entity Framework model definitions?
... and more efficient change tracking. See What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First? for a more thorough discussion.
Edit to clarify "create a proxy around":
By "create a proxy around" I'm referring specifically to what the Entity Framework does. The Entity ...
HashMap get/put complexity
...HashMap stirs the hash before using it, to mix entropy from throughout the word into the bottom bits, which is where it's needed for all but the hugest hashmaps. That helps deal with hashes that specifically don't do that themselves, although i can't think of any common cases where you'd see that.
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What is the difference between currying and partial application?
...an do this:
f2 = Curry(Add);
f3 = f2(7);
f3(5); // returns 12
In other words, "currying" and "partial application" are two totally different functions. Currying takes exactly 1 input, whereas partial application takes 2 (or more) inputs.
Even though they both return a function as output, the re...
What is Weak Head Normal Form?
...ts, like (+) 2 or sqrt
A lambda-expression: \x -> expression
In other words, the head of the expression (i.e. the outermost function application) cannot be evaluated any further, but the function argument may contain unevaluated expressions.
Examples of WHNF:
3 : take 2 [2,3,4] -- outermost...