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What are the differences between delegates and events?
...custom user control that shows the properties of that person. When someone selects a person in the drop-down the labels in the user control update to show the properties of the person selected.
Here is how that works. We have three files that help us put this together:
Mediator.cs -- static cla...
Why is extending native objects a bad practice?
...Even using some more regular function name like foo(native).coolStuff() to convert it into some "extended" object looks great syntactically. So thanks for that!
– egst
Oct 27 '18 at 21:55
...
Copy constructor for a class with unique_ptr
... unique_ptr can not be shared, you need to either deep-copy its content or convert the unique_ptr to a shared_ptr.
class A
{
std::unique_ptr< int > up_;
public:
A( int i ) : up_( new int( i ) ) {}
A( const A& a ) : up_( new int( *a.up_ ) ) {}
};
int main()
{
A a( 42 );
A ...
Why is the JVM stack-based and the Dalvik VM register-based?
...g to Bornstein this is "a general expectation what you could find when you convert a set of class files to dex files".
The relevant part of the presentation video starts at 25:00.
There is also an insightful paper titled "Virtual Machine Showdown: Stack Versus Registers" by Shi et al. (2005), whic...
Parse usable Street Address, City, State, Zip from a string [closed]
Problem: I have an address field from an Access database which has been converted to Sql Server 2005. This field has everything all in one field. I need to parse out the individual sections of the address into their appropriate fields in a normalized table. I need to do this for approximately 4,000 ...
How to fix the uninitialized constant Rake::DSL problem on Heroku?
...in the Gemfile to get around the version 0.9.2 Rake::DSL problem.
After I converted the app to Rails 3.2.0 (Heroku Cedar stack), I was having a problem with the worker (a rake task) crashing. I changed "gem 'rake', '0.8.7'" to "gem 'rake'", which bundled rake version 0.9.2.2. The worker stopped cra...
Executing multi-line statements in the one-line command-line?
...r << (the <<-) allows you to use tabs to indent (Stackoverflow converts tabs to spaces, so I've indented 8 spaces to emphasize this). The leading tabs will be stripped.
You can do it without the tabs with just <<:
$ python - << "EOF"
import sys
for r in range(10):
print...
python pandas: apply a function with arguments to a series
...
Series.apply(func, convert_dtype=True, args=(), **kwds)
args : tuple
x = my_series.apply(my_function, args = (arg1,))
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Principal component analysis in Python
...ution in which the out would be that image. IM having some difficulties in converting this code to c++ because I'm new in python :)
– Orvyl
Feb 28 '14 at 6:20
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How to change fontFamily of TextView in Android
...ily in Android but I don't see any pre-defined fonts in Android. How do I select one of the pre-defined ones? I don't really need to define my own TypeFace but all I need is something different from what it shows right now.
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