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How to call a Parent Class's method from Child Class in Python?
...sing inherited methods that have been overridden in a class.
The search order is same as that used by getattr() except that the type itself is skipped.
Example:
class A(object): # deriving from 'object' declares A as a 'new-style-class'
def foo(self):
print "foo"
class B(A):
...
Installing Bower on Ubuntu
...version
1.4.3
Now install Bower:
sudo npm install -g bower
This will fetch and install Bower globally.
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When and why to 'return false' in JavaScript?
...lling event.preventDefault() or setting event.returnValue = false (IE); in order to stop the event from bubbling, you'll have to call event.stopPropagation() or setting event.cancelBubble = true (IE)
– Christoph
May 12 '09 at 23:55
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Why should I use Hamcrest-Matcher and assertThat() instead of traditional assertXXX()-Methods
..., is(1));
With the first approach, it is very easy to forget the correct order, and type it backwards. Then rather than saying that the test failed because it expected 1 and got 2, the message is backwards. Not a problem when the test passes, but can lead to confusion when the test fails.
With ...
MySQL Cannot Add Foreign Key Constraint
...ecks=0 before running the DDL so you can create the tables in an arbitrary order rather than needing to create all parent tables before the relevant child tables.
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Create a string of variable length, filled with a repeated character
...
This is still MUCH slower (by 2 to 3 orders of magnitude) than my solution.
– Hogan
Sep 30 '15 at 19:09
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How to detect if multiple keys are pressed at once using JavaScript?
...can remember what they were.
You should also put the key codes in the same order as the documentation (CTRL+ENTER => map[17] && map[13], NOT map[13] && map[17]). This way you won't ever get confused when you need to go back and edit the code.
A gotcha with if-else chains
If checki...
JavaScript to scroll long page to DIV
...n the visible portion of it's parent, then repeat the same for the parent, etc, all the way until you reach the top.
One step of this would look something like this (untested code, not checking edge cases):
function scrollIntoView(node) {
var parent = node.parent;
var parentCHeight = parent.cl...
Wait for a process to finish
... plink me@oracle box -pw redacted "pwait 6998";email -b -s "It's done" etc just allowed me to go home now instead of hours from now.
– zzxyz
Aug 17 '17 at 1:24
add a comme...
What is the difference between IEnumerator and IEnumerable? [duplicate]
... an Enumerator is at a certain position (the 1st element, the 7th element, etc) and can give you that element (IEnumerator.Current) or move to the next one (IEnumerator.MoveNext). When you write a foreach loop in C#, the compiler generates code that uses an Enumerator.
An Enumerable is a class tha...