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What is a “slug” in Django?
...If I may provide some historical context :
The term "slug" has to do with casting metal—lead, in this case—out of which the press fonts were made. Every paper then had its fonts factory regularly re-melted and recast in fresh molds, since after many prints they became worn out. Apprentices like...
How to increment a pointer address and pointer's value?
...*p)++ => 5
*(p)++ => 5
*++p => 0
*(++p) => 0
I cast the pointer addresses to ints so they could be easily compared.
I compiled it with GCC.
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Any reason to clean up unused imports in Java, other than reducing clutter?
...hey don't get any warning about it until somewhere down the line there's a casting problem or invocation problem.
This is, by the way, not an unrealistic scenario. Every time you had Eclipse ask you which specific version of X you wanted to import, and you picked one from among many packages, is a ...
How do I catch a numpy warning like it's an exception (not just for testing)?
...catch_warnings() placement depending on how big of an umbrella you want to cast with catching errors this way.
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Boost Statechart vs. Meta State Machine
... Minor nit-pick: In release mode, the use of C++ RTTI (dynamic_cast, typeid) is strictly optional with Boost.Statechart.
– user49572
Nov 30 '10 at 7:43
add a comme...
Returning IEnumerable vs. IQueryable
...
This teaches me when casting to IEnumerable, the underlying IQueryable loses it's IQueryable extension method.
– Yiping
Jul 25 '18 at 2:23
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C++ valarray vs. vector
...ample. (By the way, if mean is really int, not double, you may need static_cast<double>(mean).)
– musiphil
Mar 27 '13 at 23:12
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Is there a performance impact when calling ToList()?
...nce), and the methods that start with As do not and will just require some cast or simple operation.
Additional details on List<T>
Here is a little more detail on how List<T> works in case you're interested :)
A List<T> also uses a construct called a dynamic array which needs to...
Iterator Loop vs index loop [duplicate]
...(it's modulo arithmetic, and x-1 may be bigger than x). You instead should cast the size to an integer before using it.
It may make some sense to use unsigned sizes and indexes (paying a LOT of attention to every expression you write) only if you're working on a 16 bit C++ implementation (16 bit was...
C++对象布局及多态探索之菱形结构虚继承 - C/C++ - 清泛网 - 专注C/C++及内核技术
...们做个指针的动态转型再调用一次：
C141 * pt1 = dynamic_cast (pt);
pt1-> foo();
第1行代码对应的汇编指令如下：
01 00423FBD cmp dword ptr [ebp+FFFFF73Ch],0
02 00423FC4 je 00423FD7
03 00423FC6 mov eax,dword ptr [ebp+FFFFF73Ch]
04 00423FCC add eax,5
0...