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What is the logic behind the “using” keyword in C++?
...Unfortunately register begins a variable declaration so this already has a meaning. Declare a register variable called Y of type X.
– Raymond Chen
Dec 27 '13 at 18:00
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Class constants in python
...)
with
print(self.SIZES[1])
Still, you need to remember that SIZES[1] means "big", so probably you could improve your code by doing something like:
class Animal:
SIZE_HUGE="Huge"
SIZE_BIG="Big"
SIZE_MEDIUM="Medium"
SIZE_SMALL="Small"
class Horse(Animal):
def printSize(self...
Role-based access control (RBAC) vs. Claims-based access control (CBAC) in ASP.NET MVC
...ce that Customer will be able to do anything else other than what they are meant to do in your application, then perhaps, Role based access control will serve the purpose, but as your application grows, you will start to feel the need of claim based access control at some point.
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Static implicit operator
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This is a conversion operator. It means that you can write this code:
XmlBase myBase = new XmlBase();
XElement myElement = myBase;
And the compiler won't complain! At runtime, the conversion operator will be executed - passing myBase in as the argument, an...
How to read and write excel file
... number of non-empty rows (it was not obvious to me that's what "physical" meant). So, if your excel file has a lot of empty rows (i.e. for formatting reasons), you might have more luck using rows = sheet.getLastRowNum();. This should also mean you can remove the trick (see comment) from the first l...
django templates: include and extends
...btemplate and include its contents as if it were part of the parent". This means that there is no shared state between included templates -- each include is a completely independent rendering process.
So Django doesn't grab any blocks from your commondata.html and it doesn't know what to do with r...
Install Application programmatically on Android
... you gave to your app to bring the APK, if you are downloading from server means, check to flush the streams at the copying file from the server? Since installing the APK which was transferred by Bluetooth working means that is the problem I guess.
– Sridhar S
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What is hashCode used for? Is it unique?
... get a lead and I find someone matching Mr Cruel's fingerprints. Does this mean I have found Mr Cruel?
........perhaps! I must take a closer look. If i am using SHA256 (a hashing function) and I am looking in a small town with only 5 people - then there is a very good chance I found him! But if I a...
Does a const reference class member prolong the life of a temporary?
...ay that member is bound to a temporary, because initializing member with n means to bind member to the same object n is bound to, and that is in fact a temporary object in this case.
– M.M
May 18 '16 at 3:39
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How to print a linebreak in a python function?
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@user3527975, I mean backwards in the sense of reversed from how it should be.
– Winston Ewert
Mar 1 '16 at 17:52
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