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What is the difference between .map, .every, and .forEach?
...rns a boolean - true if every element in this array satisfies the provided testing function. An important difference with .every() is that the test function may not always be called for every element in the array. Once the testing function returns false for any element, no more array elements are ...
Overloading and overriding
...with the same name but different signatures.
//Overloading
public class test
{
public void getStuff(int id)
{}
public void getStuff(string name)
{}
}
Overriding
Overriding is a principle that allows you to change the functionality of a method in a child class.
//Overriding
pu...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...an the actual secret key is not exposed. Is there risk to exposing dev and test keys in committed secrets.yml if it is all just seed and test data?
– Jay Killeen
Apr 29 '16 at 1:47
...
How to check if a float value is a whole number
...l round to 16 digits; 1.0000000000000001 is displayed as 1.0, in 3 the shortest string representation that produces the same value is shown.
– Martijn Pieters♦
Feb 5 '14 at 17:21
...
How to disable margin-collapsing?
...at: left / right
position: absolute
display: inline-block / flex
You can test all of them here: http://jsfiddle.net/XB9wX/1/.
I should add that, as usual, Internet Explorer is the exception. More specifically, in IE 7 margins do not collapse when some kind of layout is specified for the parent el...
Tar a directory, but don't store full absolute paths in the archive
...2 examples:
creation of a tarball without the full path:
full path /home/testuser/workspace/project/application.war and what we want is just project/application.war so:
tar -cvf output_filename.tar -C /home/testuser/workspace project
Note: there is a space between workspace and project; tar wi...
Deleting a file in VBA
...
1.) Check here. Basically do this:
Function FileExists(ByVal FileToTest As String) As Boolean
FileExists = (Dir(FileToTest) <> "")
End Function
I'll leave it to you to figure out the various error handling needed but these are among the error handling things I'd be considering:
...
Why does Ruby have both private and protected methods?
... a class it is declared in as well as all subclasses of this class.
class Test1
def main_method
method_private
end
private
def method_private
puts "Inside methodPrivate for #{self.class}"
end
end
class Test2 < Test1
def main_method
method_private
end
end
Test1.new.ma...
Difference between @Mock and @InjectMocks
...d inject them.
@RunWith(MockitoJUnitRunner.class)
public class SomeManagerTest {
@InjectMocks
private SomeManager someManager;
@Mock
private SomeDependency someDependency; // this will be injected into someManager
//tests...
}
...
Declaring Multiple Variables in JavaScript
...t point moot (as far as I can tell YUI will not do this, however I haven't tested extensively).
– bhuber
Feb 17 '14 at 15:58
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