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What is Type-safe?
... feature called covariance, this basically means that you can substitute a base type for a child type and not cause an error, for example:
public class Foo : Bar
{
}
Here, I created a new class (Foo) that subclasses Bar. I can now create a method:
void DoSomething(Bar myBar)
And call it us...
Enum String Name from Value
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64
Use this:
string bob = nameof(EnumDisplayStatus.Visible);
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Remove a string from the beginning of a string
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@salathe, I don't get it. Both idiomatic and regex-based solutions were proposed: comparing the two in terms of efficiency helps finding the best (again in terms of efficiency) answer. Why is that evil?
– cbrandolino
Dec 23 '10 at 9:41
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String concatenation: concat() vs “+” operator
...nce.
The source code of String and StringBuilder (and its package-private base class) is available in src.zip of the Sun JDK. You can see that you are building up a char array (resizing as necessary) and then throwing it away when you create the final String. In practice memory allocation is surpri...
How to get a Static property with Reflection
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Looks great. The goal was to get the property based on a name argument - I don't think I would want to loop over ever property to achieve that.
– Corey Downie
Mar 5 at 1:39
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How to get the last N rows of a pandas DataFrame?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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download and install visual studio 2008 [closed]
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I just needed to add 64-bit support to an existing VS2008 installation, and the first link provided in this answer worked for that purpose. I also had to download the VS2008 SP1 installer, and follow the instructions here to complete the feature...
Convert data.frame column to a vector?
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Ari B. FriedmanAri B. Friedman
64.3k3131 gold badges164164 silver badges225225 bronze badges
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PDO closing connection
...nitely and may require that you either restart the httpd server or the database server."
– Benjamin
Dec 3 '18 at 12:46
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android TextView: setting the background color dynamically doesn't work
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64
To set red color:
textView.setBackgroundColor(0xfff00000);
Or
<color name="solid_red">...