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What are the options for storing hierarchical data in a relational database? [closed]

...he hierarchy. The problem up until now has been that the coversion method from an Adjacecy List to Nested Sets has been frightfully slow because most people use the extreme RBAR method known as a "Push Stack" to do the conversion and has been considered to be way to expensive to reach the Nirvana o...
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Segmentation fault on large array sizes

...at the disasseble you will see the size of your local variables subtracted from the stack pointer. When you call malloc or calloc or any of the memory fuctions the fuctions go and find blocks of memory large enough to sataisfy your reqest. – rerun Dec 4 '09 at...
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Difference between Visual Basic 6.0 and VBA

... your project. You'll also not be able to create COM DLLs with VBA. Apart from that, there is a difference in the IDE - the VB 6.0 IDE is more powerful in comparison. On the other hand, you have tight integration of the host application in VBA. Application-global objects (like "ActiveDocument") and...
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Recursively list files in Java

... How do I get an actual list of files from this? – thouliha Oct 9 '15 at 15:58  |  show 12 more comments ...
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Difference between Inheritance and Composition

...ill need do a babysit for example now super class X change the method name from do to doing....then sub class Y will also need to be maintained (needs to be changed as well) this is still tight coupling? And how do we get rid of it? – stuckedoverflow Nov 4 '18 ...
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Equivalent of “throw” in R

...sting" parts in R is probably related to that a lot of conventions differs from other languages, notably the C-language family that it is syntactically close too. I would guess because the language was evolved by a bunch of statisticians that needed a good tool, rather than developers needing a good...
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How to do a scatter plot with empty circles in Python?

... From the documentation for scatter: Optional kwargs control the Collection properties; in particular: edgecolors: The string ‘none’ to plot faces with no outlines facecolors: The string ‘none...
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Is there a good tutorial on MSBuild scripts? [closed]

...ct, and I need to create a build script; a build script that I can trigger from my cruisecontrol server. Since nant has not been maintained for ages, I figure that MSBuild is the way to go. ...
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Why are const parameters not allowed in C#?

...uage. void foo(const A& a) that modifies the object a is not different from int countApples(Basket b) that return the number of pears. It is just a bug, a bug that compile in any language. – Alessandro Teruzzi Sep 25 '15 at 14:41 ...
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What is the strict aliasing rule?

...sg; void SendWord(uint32_t); int main(void) { // Get a 32-bit buffer from the system uint32_t* buff = malloc(sizeof(Msg)); // Alias that buffer through message Msg* msg = (Msg*)(buff); // Send a bunch of messages for (int i = 0; i < 10; ++i) { m...