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What is a reasonable code coverage % for unit tests (and why)? [closed]
...age with three different
answers. Why?”
The great master stood up from his
chair:
“Come get some fresh tea with me and let’s talk about it.”
After they filled their cups with
smoking hot green tea, the great
master began to answer:
“The first programmer is new a...
Is there a JavaScript / jQuery DOM change listener?
...
Here’s a browser compatibility table from Can I Use.
– bdesham
Jul 8 '14 at 14:47
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show 3 more commen...
Do I need all three constructors for an Android custom view?
...
If you will add your custom View from xml also like :
<com.mypack.MyView
...
/>
you will need the constructor public MyView(Context context, AttributeSet attrs), otherwise you will get an Exception when Android tries to inflate your Vie...
Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
...ry&.name
NoMethodError: undefined method `name' for "Australia":String
from (pry):38:in `<main>'
> params.try(:country).try(:name)
nil
It is also including a similar sort of way: Array#dig and Hash#dig. So now this
city = params.fetch(:[], :country).try(:[], :state).try(:[], :city)
...
Java: Multiple class declarations in one file
...that pretty much means that you'd never want to refer to a top-level class from another file unless it has the same name as the file it's in.
Suppose you have two files, Foo.java and Bar.java.
Foo.java contains:
public class Foo
Bar.java contains:
public class Bar
class Baz
Let's also say ...
Why are you not able to declare a class as static in Java?
...'t need any instance of anything to refer to them. They can be referred to from anywhere. They're in static storage (as in C storage classes). - As others have noted (Iain Elder in a comment to another answer), the language designers could have allowed the static keyword on a top-level class to deno...
Check play state of AVPlayer
...gBlock: or addBoundaryTimeObserverForTimes:queue:usingBlock:.
Example is from Apple:
// Assume a property: @property (retain) id playerObserver;
Float64 durationSeconds = CMTimeGetSeconds([<#An asset#> duration]);
CMTime firstThird = CMTimeMakeWithSeconds(durationSeconds/3.0, 1);
CMTime se...
Best way to implement keyboard shortcuts in a Windows Forms application?
... Hmm, no, the Form's KeyDown event handler is quite distinct from a menu item's Click event handler. You still do the exact same way, either call the event handler method directly (no need for it to be exclusively called by an event) or refactor the common logic into a separate method...
Escaping quotes and double quotes
...mportant issue that since v3 you can use --% to stop the PowerShell parser from doing anything with your parameters:
\\server\toto.exe --% -batch=b -param="sort1;paramtxt='Security ID=1234'"
... should work fine there (with the same assumption).
...
What is the difference between const int*, const int * const, and int const *?
...
For those who don't know about Clockwise/Spiral Rule:
Start from the name of the variable, move clockwisely (in this case, move backward) to the next pointer or type. Repeat until expression ends.
Here is a demo:
...