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How to get the error message from the error code returned by GetLastError()?

After a Windows API call, how can I get the last error message in a textual form? 11 Answers ...
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Rolling median algorithm in C

...milar too in a standalone C++ class / C subroutine. Note that this are actually two implementations in one, see src/library/stats/man/runmed.Rd (the source of the help file) which says \details{ Apart from the end values, the result \code{y = runmed(x, k)} simply has \code{y[j] = median(x[(j-k2...
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class

...lass << foo syntax opens up foo's singleton class (eigenclass). This allows you to specialise the behaviour of methods called on that specific object. a = 'foo' class << a def inspect '"bar"' end end a.inspect # => "bar" a = 'foo' # new object, new singleton class a.insp...
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Render HTML to PDF in Django site

... Try the solution from Reportlab. Download it and install it as usual with python setup.py install You will also need to install the following modules: xhtml2pdf, html5lib, pypdf with easy_install. Here is an usage example: First define this function: import cStringIO as Str...
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Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?

... The compiler can't generally transform for (int c = 0; c < arraySize; ++c) if (data[c] >= 128) for (int i = 0; i < 100000; ++i) sum += data[c]; into for (int c = 0; c < arraySize; ++c) if (data[c] >= 12...
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AngularJS: Service vs provider vs factory

...get(). The constructor function is instantiated before the $get method is called - ProviderFunction is the function reference passed to module.provider. Providers have the advantage that they can be configured during the module configuration phase. See here for the provided code. Here's a great fur...
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What is the difference between char s[] and char *s?

...puts the literal string in read-only memory and copies the string to newly allocated memory on the stack. Thus making s[0] = 'J'; legal. share | improve this answer | foll...
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How do I use vimdiff to resolve a git merge conflict?

... All four buffers provide a different view of the same file. The top left buffer (LOCAL) is how the file looked in your target branch (what you are merging into). The top right buffer (REMOTE) is how the file looked in your so...
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What is an 'endpoint' in Flask?

...erkzeug library) is to map URL paths to some logic that you will run (typically, the "view function"). Your basic view is defined like this: @app.route('/greeting/<name>') def give_greeting(name): return 'Hello, {0}!'.format(name) Note that the function you referred to (add_url_rule) ac...
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import module from string variable

... Finally, also remember that you can't import anything if there is no __init__.py in the folder with file you are trying to import. – Seanny123 Dec 6 '13 at 7:31 ...