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What is the difference between a definition and a declaration?
...anks to litb (Johannes Schaub) who dug out the actual chapter and verse in one of his answers.
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Should you declare methods using overloads or optional parameters in C# 4.0?
...them to non-optional anyway.
And I like the notion that there's generally one super method, and the rest are simpler wrappers around that one.
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Changing a specific column name in pandas DataFrame
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A one liner does exist:
In [27]: df=df.rename(columns = {'two':'new_name'})
In [28]: df
Out[28]:
one three new_name
0 1 a 9
1 2 b 8
2 3 c 7
3 4 d 6
4 5 e ...
How do you add an in-app purchase to an iOS application?
...cing matrix I recommend you use tier 1, because that's usually the most anyone will ever pay to remove ads.
Click the blue add language button, and input the information. This will ALL be shown to the customer, so don't put anything you don't want them seeing
For hosting content with Apple choose no...
C++ Singleton design pattern
...zy-evaluated, guaranteed-destruction, not-technically-thread-safe:
Can any one provide me a sample of Singleton in c++?
Here is an updated C++11 implementation of the Singleton design pattern that is lazy-evaluated, correctly-destroyed, and thread-safe.
class S
{
public:
static S&...
How to determine if a list of polygon points are in clockwise order?
...l in the case of a non-convex polygon, such as a crescent. Here's a simple one that will work with non-convex polygons (it'll even work with a self-intersecting polygon like a figure-eight, telling you whether it's mostly clockwise).
Sum over the edges, (x2 − x1)(y2 + y1). If the result is positi...
How to turn off the Eclipse code formatter for certain sections of Java code?
...atter
>
Edit
>
Off/On Tags
This preference allows you to define one tag to disable and one tag to enable the formatter (see the Off/On Tags tab in your formatter profile):
You also need to enable the flags from Java Formatting
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How to simplify a null-safe compareTo() implementation?
...null object. It looks like a problem with the collections framework to be honest, trying to figure out how to corner this.
– Pedro Borges
Jun 12 '18 at 11:52
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How can I run just the statement my cursor is on in SQL Server Management Studio?
...for me in SSMS2012, but now I'm running SSMS2014 and I really miss it! Anyone know of a SSMS2014 solution?
– samp
May 11 '15 at 21:01
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Does every Core Data Relationship have to have an Inverse?
...it into this case.
Assume you modeled it as follows:
Note you have a to-one relationship called "type", from SocialApp to SocialAppType. The relationship is non-optional and has a "deny" delete rule.
Now consider the following:
SocialApp *socialApp;
SocialAppType *appType;
// assume entity inst...