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How would one write object-oriented code in C? [closed]

...ons for that data. So, in a communications class, you would have an open, read, write and close call which would be maintained as four function pointers in the structure, alongside the data for an object, something like: typedef struct { int (*open)(void *self, char *fspec); int (*close)(v...
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What's the difference between a Python module and a Python package?

...you explain the situation where a module is more than one file? Or am I misreading what you mean? – User Dec 1 '13 at 11:01 6 ...
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Upgrade python in a virtualenv

...ne and upgrading your virtualenv package is not an option, you may want to read this in order to install a virtualenv with the python version you want. EDIT I've tested this approach (the one that create a new virtualenv on top of the old one) and it worked fine for me. I think you may have some p...
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Is Java really slow?

...ow (updated for 2013): Libraries are often written for "correctness" and readability, not performance. In my opinion, this is the main reason Java still has a bad reputation, especially server-side. This makes the String problems exponentially worse. Some simple mistakes are common: objects are of...
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Python's equivalent of && (logical-and) in an if-statement

...recedence (which you can learn about here: ibiblio.org/g2swap/byteofpython/read/operator-precedence.html) – ChristopheD Apr 2 '15 at 21:51 ...
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Why does NULL = NULL evaluate to false in SQL server

...rting code snippets for the same reason. Sorry about that. Buy the book to read about datailed reasoning. Page numbers between parenthesis in what follow. NOT NULL Constraint (11) The most important column constraint is the NOT NULL, which forbids the use of NULLs in a column. Use this c...
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How to fully clean bin and obj folders within Visual Studio?

... As others have responded already Clean will remove all artifacts that are generated by the build. But it will leave behind everything else. If you have some customizations in your MSBuild project this could spell trouble and leave behind stuff you wo...
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Github: Import upstream branch into fork

...(newbranch): git checkout -b newbranch upstream/newbranch When you're ready to push the new branch to origin: git push -u origin newbranch The -u switch sets up tracking to the specified remote (in this example, origin) ...
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What does “@@ -1 +1 @@” mean in Git's diff output?

...3 16 Note that line 11 is the 9th line of the new file because we have already removed 2 lines on the previous hunk: 2 and 3. Hunk header Depending on your git version and configuration, you can also get a code line next to the @@ line, e.g. the func1() { in: @@ -4,7 +4,6 @@ func1() { This c...
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Found conflicts between different versions of the same dependent assembly that could not be resolved

...'s a killer article on this stuff by SO's own @Nick Craver that you should read While the other responses say this, they don't make it explicit, so I will.... On VS2013.2, to actually trigger the emission of the cited information, you need to not read the message, which says: C:\Program Files (x86...