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Combining C++ and C - how does #ifdef __cplusplus work?

...C" regions, but it isn't such a good idea from a cleanliness perspective. Now, specifically regarding your numbered questions: Regarding #1: __cplusplus will stay defined inside of extern "C" blocks. This doesn't matter, though, since the blocks should nest neatly. Regarding #2: __cplusplus will...
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How to check BLAS/LAPACK linkage in NumPy and SciPy?

...dencies on your blas and lapack of choice. I am not near a linux box right now, but on an OS X machine you can do this inside the site-packages directory which holds the installations: $ otool -L numpy/core/_dotblas.so numpy/core/_dotblas.so: /System/Library/Frameworks/Accelerate.framework/Ver...
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What is the correct way to create a single-instance WPF application?

...s, it brings on a lot of overhead, and I wanted something cleaner. Knowing that I could use a mutex for this (but never having done it before) I set out to cut down my code and simplify my life. In the class of my application main I created a static named Mutex: static class Program ...
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std::vector performance regression when enabling C++11

...M_end_of_storage jne .L42 #, This is a nice and compact for loop. Now, let's compare this to that of the failed inline case: .L49: testq %rax, %rax # D.15772 je .L26 #, movq 16(%rsp), %rdx # D.13379, D.13379 movq %rdx, (%rax) # D.13379, *D.15772_60 .L26: ...
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An error occurred while validating. HRESULT = '8000000A'

... This is a known issue in Visual Studio 2010 (a race condition). See this connect item. We've run into this as well, and had a very unsatisfying support call on this issue with Microsoft. Long story short: it's a known issue, it won't b...
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When to use NSInteger vs. int

... You usually want to use NSInteger when you don't know what kind of processor architecture your code might run on, so you may for some reason want the largest possible integer type, which on 32 bit systems is just an int, while on a 64-bit system it's a long. I'd stick with...
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Best way to format integer as string with leading zeros? [duplicate]

...answered Apr 9 '09 at 9:23 unbeknownunbeknown 1 ...
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?

... Small improvements now possible since post. Paginator now has a page_range property to avoid boilerplate. If in search of minimal memory overhead, you can use object_list.iterator() which will not populate the queryset cache. prefetch_relat...
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How to format a java.sql Timestamp for displaying?

...D %1$TT", timestamp) EDIT: please see the documentation of Formatter to know what TD and TT means: click on java.util.Formatter The first 'T' stands for: 't', 'T' date/time Prefix for date and time conversion characters. and the character following that 'T': 'T' Time formatted ...
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Converting string to Date and DateTime

... @Matthew yes, correct. But you never now, even today I found a PHP4.1 version still installed ... – Roland Nov 26 '18 at 16:45 ...