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self referential struct definition?

...ell *last; /* Construct linked list, 100 down to 80. */ first = malloc (sizeof (tCell)); last = first; first->cellSeq = 100; first->next = NULL; for (i = 0; i < 20; i++) { curr = malloc (sizeof (tCell)); curr->cellSeq = last->cellSeq - 1; ...
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Objective-C Static Class Level variables

...ialize { if (! classVariableName) classVariableName = [[ClassB alloc] init]; } +(void) classMethodName { [classVariableName doSomething]; } -(void) instanceMethodName { [classVariableName doSomething]; } ... @end References: Class variables explained comparing Objective-C...
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list.clear() vs list = new ArrayList(); [duplicate]

... one way holds onto memory, the other one throws out its memory and gets reallocated from scratch (with the default capacity). Which is better depends on whether you want to reduce garbage-collection churn or minimize the current amount of unused memory. Whether the list sticks around long enough to...
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What are important languages to learn to understand different approaches and concepts? [closed]

... I currently program Clojure, Python, Java and PHP [...] What are languages that take a different approach and would be useful for either practical tool choosing or theoretical understanding? C There's a lot of C code lying around---it's definitely practical. If you l...
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What are the implications of using “!important” in CSS? [duplicate]

...ause thats a not operator in javascript but in css it's called a delimiter token that just says to take priority. Heres an example. Without !important: .set-color{ color: blue; } .set-color{ color: red; } outputs RED !important on bottom attribute (of same) .set-color{ color: blu...
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Use 'class' or 'typename' for template parameters? [duplicate]

...ainer, typename Type> class MyContainer: public Container<Type, std::allocator<Type>> { /*...*/ }; In this example, typename Container would have generated a compiler error, something like this: error: expected 'class' before 'Container' ...
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What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t

... PHP is evil of course. The popularity of application/x-www-form-urlencoded is defined by the popularity of PHP. – Brian Cannard Apr 28 '16 at 10:17 ...
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Exclude folder from search but not from the project list

... FYI for Mac users, it's PhpStorm > Preferences > Appearance & Behavior > Scopes – Wesley Smith Dec 13 '16 at 3:30 ...
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MySQL InnoDB not releasing disk space after deleting data rows from table

... 2M data rows. When I deleted data rows from the table, it did not release allocated disk space. Nor did the size of the ibdata1 file reduce after running the optimize table command. ...
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Large, persistent DataFrame in pandas

...(here's a tedious one: you could transcribe the file row-by-row into a pre-allocated NumPy array or memory-mapped file--np.mmap), but it's one I'll be working on in the near future. Another solution is to read the file in smaller pieces (use iterator=True, chunksize=1000) then concatenate then with ...