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Do I need to explicitly call the base virtual destructor?
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No, destructors are called automatically in the reverse order of construction. (Base classes last). Do not call base class destructors.
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The order of elements in Dictionary
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The order of elements in a dictionary is non-deterministic. The notion of order simply is not defined for hashtables. So don't rely on enumerating in the same order as elements were added to the dictionary. That's not guaranteed....
What is __stdcall?
...rtain calling conventions. That determines where to put arguments, in what order, where the called function will find the return address, and so on. For example, __fastcall means that arguments of functions are passed over registers.
The Wikipedia Article provides an overview of the different calli...
What does O(log n) mean exactly?
...rinter's office, and our phone book had all its pages inserted in a random order. Fix the ordering so that it's correct by looking at the first name on each page and then putting that page in the appropriate spot in a new, empty phone book.
For the below examples, we're now at the printer's office...
Where can I learn jQuery? Is it worth it?
...hools.com . It's hit or miss, I know, but the PHP and CSS sections specifically have proven very useful for reference.
14 A...
MongoDB Many-to-Many Association
...f clear then is generally discouraged, but if needed can be implemented by ordering the operations:
Get the list of user names from Role.users.
Iterate the user names from step 1, remove the role name from User.roles.
Clear the Role.users.
In the case of an issue, which is most likely to occur w...
Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...技术细节，其中演示代码如果没有特殊说明，使用的都是PhpRedis扩展来实现的。内...最近忙着用Redis实现一个消息通知系统，今天大概总结了一下技术细节，其中演示代码如果没有特殊说明，使用的都是PhpRedis扩展来实现的。
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Will the base class constructor be automatically called?
...The constructors for each type in the type hierarchy will be called in the order of Most Base -> Most Derived.
So in your particular instance, it calls Person(), and then Customer() in the constructor orders. The reason why you need to sometimes use the base constructor is when the constructors...
Convert nested Python dict to object?
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Can we guarantee that the order of the list returned by keys() and values() match in order? I mean, if it is a OrderedDict, yes. But a standard dict? I know that CPython 3.6+ and PyPy "compact" dicts are ordered, but quoting documentation: "The order-...
How to convert timestamp to datetime in MySQL?
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DATE_FORMAT(FROM_UNIXTIME(`orderdate`), '%Y-%m-%d %H:%i:%s') as "Date" FROM `orders`
This is the ultimate solution if the given date is in encoded format like 1300464000
shar...