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Access multiple elements of list knowing their index
...
Alternatives:
>>> map(a.__getitem__, b)
[1, 5, 5]
>>> import operator
>>> operator.itemgetter(*b)(a)
(1, 5, 5)
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impro...
MDI CDockablePane使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...架类的头文件中定义一个CDockablePane的数组
CDockablePane m_Panes[5];//一个CDockablePane的数组
2. CFrameWndEx:: OnCreate() 在Create函数中自动生成了以下代码，对MFC比较熟悉的这里就不讲了：
CMFCPopupMenu::SetForceMenuFocus(FALSE);
InitUserToolbars(N...
Any way to properly pretty-print ordered dictionaries?
...well if you don't care about the order of the keys. Personally, I wish the __repr__ for OrderedDict would produce output like this but preserve the order of the keys.
– ws_e_c421
Sep 24 '15 at 15:54
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Save classifier to disk in scikit-learn
... continue your example:
import cPickle
# save the classifier
with open('my_dumped_classifier.pkl', 'wb') as fid:
cPickle.dump(gnb, fid)
# load it again
with open('my_dumped_classifier.pkl', 'rb') as fid:
gnb_loaded = cPickle.load(fid)
...
Python decorators in classes
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Would something like this do what you need?
class Test(object):
def _decorator(foo):
def magic( self ) :
print "start magic"
foo( self )
print "end magic"
return magic
@_decorator
def bar( self ) :
print "normal call"
test ...
Getting the name of a child class in the parent class (static context)
...ot possible. in php4 you could implement a terrible hack (examine the debug_backtrace()) but that method does not work in PHP5. references:
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37684
34421
edit: an example of late static binding in PHP 5.3 (mentioned in comments). note there are potential problems in it's current implementat...
Should a return statement be inside or outside a lock?
...als init (
[0] int32 CS$1$0000,
[1] object CS$2$0001)
L_0000: ldsfld object Program::sync
L_0005: dup
L_0006: stloc.1
L_0007: call void [mscorlib]System.Threading.Monitor::Enter(object)
L_000c: call int32 Program::GetValue()
L_0011: stloc.0
L_0012: leav...
Cannot kill Python script with Ctrl-C
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Looks like in python3 you can pass daemon=True to Thread.__init__
– Ryan Haining
Aug 14 '18 at 0:57
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How do I get the function name inside a function in PHP?
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The accurate way is to use the __FUNCTION__ predefined magic constant.
Example:
class Test {
function MethodA(){
echo __FUNCTION__;
}
}
Result: MethodA.
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GCC dump preprocessor defines
...o dump its preprocessor defines from the command line?
I mean things like __GNUC__ , __STDC__ , and so on.
6 Answers
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