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Unresolved external symbol in object files

... because the dll was not in memory and had to be loaded via a LoadLibrary call. (FTR) – tmj Sep 2 '14 at 10:08 2 ...
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What is a memory fence?

...ead/writes occur in the order you expect. For example a 'full fence' means all read/writes before the fence are comitted before those after the fence. Note memory fences are a hardware concept. In higher level languages we are used to dealing with mutexes and semaphores - these may well be implemen...
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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?

...type (and resolve to true and false) if the compiler supports it. (specifically, C++) However, it would be better to check whether C++ is in use (via the __cplusplus macro) and actually use true and false. In a C compiler, this is equivalent to 0 and 1. (note that removing the parentheses will bre...
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Where and how is the _ViewStart.cshtml layout file linked?

... Starting with the ASP.NET MVC 3 Beta release, you can now add a file called _ViewStart.cshtml (or _ViewStart.vbhtml for VB) underneath the \Views folder of your project: The _ViewStart file can be used to define common view code that you want to execute at the start of each View’s re...
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#define macro for debug printing in C?

.... } while (0) idiom ensures that the code acts like a statement (function call). The unconditional use of the code ensures that the compiler always checks that your debug code is valid — but the optimizer will remove the code when DEBUG is 0. If you want to work with #ifdef DEBUG, then change th...
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ImportError in importing from sklearn: cannot import name check_build

... Worked for me after installing scipy. share | improve this answer | follow | ...
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MySQL: What's the difference between float and double?

...| double | decimal | +-------------------+------------+-----+ |2.5999999046325684 | 2.6 | 2.60000 | 1.3 float MULTIPLIED by 1.3 of different types: | float | double | decimal | +--------------------+--------------------+--------------+ | 1.6899998760223411 | 1.690...
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How to convert an xml string to a dictionary?

... first two tags # in a series are different, then they are all different. if len(element) == 1 or element[0].tag != element[1].tag: aDict = XmlDictConfig(element) # treat like list - we assume that if the first two tags ...
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How do you convert a byte array to a hexadecimal string, and vice versa?

... You're using SubString. Doesn't this loop allocate a horrible amount of string objects? – Wim Coenen Mar 6 '09 at 16:36 30 ...
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Python element-wise tuple operations like sum

... Using all built-ins.. tuple(map(sum, zip(a, b))) share | improve this answer | follow | ...