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C++ equivalent of java's instanceof
... There are many examples of reasonable uses of dynamic type testing. It's not usually preferred, but it has a place. (Otherwise, why would it or its equivalent appear in every major OO-language: C++, Java, Python, etc.?)
– Paul Draper
Feb 3 '13 a...
Dynamically updating plot in matplotlib
...e code below:
import joystick as jk
import numpy as np
import time
class test(jk.Joystick):
# initialize the infinite loop decorator
_infinite_loop = jk.deco_infinite_loop()
def _init(self, *args, **kwargs):
"""
Function called at initialization, see the doc
""...
NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
...s to a Samsung and the app I was working on is no longer active so I can't test it out.
– Matt K
Dec 1 '14 at 15:49
3
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Get ID of last inserted document in a mongoDB w/ Java driver
...tln("doc.id before: " + doc.get("_id")); new Mongo("localhost").getDB("test").getCollection("t").insert(doc); System.out.println("doc.id after: " + doc.get("_id")); </code> this code work well for me, tested on new versions mongo 2.2.2, driver 2.10.1
– zlob
...
Namespace not recognized (even though it is there)
...
Good one, this also happened to me. My test project did not recognize referenced namespaces even though they were there. This was because I changed my library to .NET 4.5 platform but test project remained as 4.0. In any case, your answer lead me on the right trac...
Label encoding across multiple columns in scikit-learn
... a pipeline e.g. separate fit and transform (fit on train, and then use on test-set --> re-use the learnt dictionary) is this supported with df.apply(LabelEncoder().fit_transform)?
– Georg Heiler
Sep 14 '16 at 9:25
...
How can I create download link in HTML?
...ease omit the "target='_blank'", since that won't work in IE. Did you even test it?
– Tara
Dec 21 '14 at 21:39
4
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Calling constructors in c++ without new
...td::endl; }
};
void direct()
{
std::cerr << std::endl << "TEST: " << __FUNCTION__ << std::endl;
A a(__FUNCTION__);
static_cast<void>(a); // avoid warnings about unused variables
}
void assignment()
{
std::cerr << std::endl << "TEST: " <&...
HTML5 Email Validation
...d is either empty or valid. This also has some other interesting flags:
Tested in Chrome.
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How can I return two values from a function in Python?
...
def test():
....
return r1, r2, r3, ....
>> ret_val = test()
>> print ret_val
(r1, r2, r3, ....)
now you can do everything you like with your tuple.
...