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What exactly is a C pointer if not a memory address?

... The C standard does not define what a pointer is internally and how it works internally. This is intentional so as not to limit the number of platforms, where C can be implemented as a compiled or interpreted language. A pointer value can be some kind of ID or handle or a combin...
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What exactly do “IB” and “UB” mean?

...ned behaviour should behave. Also known as "nasal demons" because theoretically it could make demons fly out of your nose. Using undefined behaviour is nearly always a bad idea. Even if it seems to work sometimes, any change to environment, compiler or platform can randomly break your code. ...
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Why is document.write considered a “bad practice”?

...ctively writing serialised text which is not the way the DOM works conceptually, and is an easy way to create bugs (.innerHTML has the same problem) Far better to use the safe and DOM friendly DOM manipulation methods shar...
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How to resolve git stash conflict without commit?

...o want to know how to resolve a conflicting git stash pop without adding all modifications to a commit (just like "git stash pop" without a conflict does). ...
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vertical alignment of text element in SVG

...aligned with the corresponding baseline of the parent. For example, this allows alphabetic baselines in Roman text to stay aligned across font size changes. It defaults to the baseline with the same name as the computed value of the alignment-baseline property. That is, the position of "ideo...
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What's the difference between integer class and numeric class in R

...for double precision floating point numbers) and integer. R will automatically convert between the numeric classes when needed, so for the most part it does not matter to the casual user whether the number 3 is currently stored as an integer or as a double. Most math is done using double precision...
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How can I explicitly free memory in Python?

...do its job. That said, if the OP is in a situation where he is suddenly deallocating a lot of objects (like in the millions), gc.collect may prove useful. – Jason Baker Aug 22 '09 at 19:53 ...
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What is the recommended way to use Vim folding for Python code

... Personally I can't convince myself to litter my code with the markers. I've become pretty used to (and efficient) at using indent-folding. Together with my mapping of space bar (see below) to open/close folds and the zR and zM comm...
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Implementing MVC with Windows Forms

...ation of MVC (or MVP) that always fits well. The best posts I have seen really explaining MVC and why an MVC system is built the way it is, is the "Build Your Own CAB" series by Jeremy D Miller. After working though it you should be able to understand your options a lot better. Microsoft's Smart Cl...
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node.js child process - difference between spawn & fork

... node process. You can add listeners for the process you have spawned, to allow your code interact with the spawned process, but no new V8 instance is created(unless of course your command is another Node command, but in this case you should use fork!) and only one copy of your node module is activ...