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What is the curiously recurring template pattern (CRTP)?
... object's foo() method, which is what you aim to do with virtual methods.
http://coliru.stacked-crooked.com/a/2d27f1e09d567d0e
template <typename T>
struct Base {
void foo() {
(static_cast<T*>(this))->foo();
}
};
struct Derived : public Base<Derived> {
void foo() {
...
领域驱动设计系列（二）:领域Model？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...动等架构都可以使用这种模式。
作者: 王德水
出处：http://deshui.wang
领域驱动设计 DDD Model
Dictionary vs Object - which is more efficient and why?
...ots__ = ('i', 'l')
def __init__(self, i):
self.i = i
self.l = []
all = {}
for i in range(1000000):
all[i] = Obj(i)
test_obj.py:
class Obj(object):
def __init__(self, i):
self.i = i
self.l = []
all = {}
for i in range(1000000):
all[i] = Obj(i)
test_dict.py:
all = {}
for i in...
Convert a python 'type' object to a string
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Advantages to Using Private Static Methods
...he performance difference between the two is not significant.
src: MSDN - http://msdn.microsoft.com/en-us/library/79b3xss3(v=vs.110).aspx
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follo...
e.printStackTrace equivalent in python
... an except ...: block it will automatically use the current exception. See http://docs.python.org/library/traceback.html for more information.
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f...
partial string formatting
..., you could use that to map undefined field names to whatever you wanted:
http://docs.python.org/library/string.html#string.Formatter.get_value
For instance, you could map bar to "{bar}" if bar isn't in the kwargs.
However, that requires using the format() method of your Formatter object, not the...
How to render a DateTime object in a Twig template
...,'medium') }} to have a long date and medium time, in the current locale
https://github.com/michelsalib/BCCExtraToolsBundle
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Passing parameters in rails redirect_to
...
You can't redirect with a POST. From the HTTP 1.1 docs under the 3xx definitions: "The action required MAY be carried out by the user agent without interaction with the user if and only if the method used in the second request is GET or HEAD." Expand on what you're...
What's the recommended approach to resetting migration history using Django South?
...rote a management command that does pretty much what Dominique suggested.
http://balzerg.blogspot.co.il/2012/09/django-app-reset-with-south.html
In contrast of the south author suggestion, this will NOT HARM other installed apps using south.
...