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Split a List into smaller lists of N size

...memory? Each time locations.Skip.ToList happens I wonder if more memory is allocated and unskipped items are referenced by a new list. – Zasz Feb 12 '14 at 7:40 ...
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How to jump to a particular line in a huge text file?

...ng a lot of pages faults :) On the contrary, doing it the "stupid way" and allocating lots and lots of memory can be blazingly fast. I enjoyed the danish FreeBSD developer Poul-Henning Kamp's article on it: queue.acm.org/detail.cfm?id=1814327 – Morten Jensen Ju...
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Passing a String by Reference in Java?

... @meolic StringBuilder is faster that s += "..." since it doesn't allocate new String objects every time. In fact when you write Java code like s = "Hello " + name, then the compiler will generate byte code which creates a StringBuilder and calls append() two times. – ...
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What breaking changes are introduced in C++11?

...ing two templates. In C++03, >> would always be the shift-operator token. Allow dependent calls of functions with internal linkage. Example by me: static void f(int) { } void f(long) { } template<typename T> void g(T t) { f(t); } int main() { g(0); } In C++03, this calls ...
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How do I create a parameterized SQL query? Why Should I?

...ple would do this through a server side programming language library, like PHP's PDO or Perl DBI. For instance, in PDO: $dbh=pdo_connect(); //you need a connection function, returns a pdo db connection $sql='insert into squip values(null,?,?)'; $statement=$dbh->prepare($sql); $data=array('my...
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How many String objects will be created when using a plus sign?

...catenating in a loop. E.g. How many string objects does the following code allocate: string s = ""; for (int i = 0; i < n; i++) s += "a"; – Joren Feb 3 '12 at 20:08 1 ...
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Practical uses of different data structures [closed]

...tworks of communication, data organization etc. Heap - Dynamic memory allocation in lisp This is the answer originally posted by RV Pradeep Some other, less useful links: Applications are only listed for some data structures Not application focused, by good summary and relevant ...
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Why does .NET foreach loop throw NullRefException when collection is null?

... either return an empty collection — it is a call to constructor, memory allocation, and perhaps a bunch of a code to be executed. Either you could just return «null» → obviously there's only a code to return and a very short code to check is the argument is «null». It's just a performance. ...
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Base64 length calculation?

...ss the point of the original question, which is how much space needs to be allocated to fit the base64 encoding for a given binary string of length n bytes. The answer is (floor(n / 3) + 1) * 4 + 1 This includes padding and a terminating null character. You may not need the floor call if you are ...
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How do I prevent node.js from crashing? try-catch doesn't work

From my experience, a php server would throw an exception to the log or to the server end, but node.js just simply crashes. Surrounding my code with a try-catch doesn't work either since everything is done asynchronously. I would like to know what does everyone else do in their production servers. ...