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Static methods in Python?
...should only be used if you have to support ancient versions of Python (2.2 and 2.3)
class MyClass(object):
def the_static_method(x):
print(x)
the_static_method = staticmethod(the_static_method)
MyClass.the_static_method(2) # outputs 2
This is entirely identical to the first exampl...
What does the `#` operator mean in Scala?
... such a subclass. In other words, there's no A.B class, but there are a1.B and a2.B classes, and they are different classes, as the error message is telling us above.
If you did not understand that, look up path dependent types.
Now, # makes it possible for you to refer to such nested classes with...
URL encoding the space character: + or %20?
...
And the URLEncoder.encode() method in Java converts it in + as well.
– рüффп
Oct 24 '14 at 12:48
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What is the purpose of the word 'self'?
... class.
Now when ObjectA.methodA(arg1, arg2) is called, python internally converts it for you as:
ClassA.methodA(ObjectA, arg1, arg2)
The self variable refers to the object itself.
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Importing a GitHub project into Eclipse
...lso had to right-click on project > Properties > Project Facets > Convert to faceted form
– xtian
Sep 29 '15 at 9:49
...
How do I make a checkbox required on an ASP.NET form?
...ge.IsValid Then
'do logic
End If
Sorry for the VB code . . . you can convert it to C# if that is your pleasure. The company I am working for right now requires VB :(
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Pandas every nth row
...d use iloc, which takes a row/column slice, both based on integer position and following normal python syntax.
df.iloc[::5, :]
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When increasing the size of VARCHAR column on a large table could there be any problems?
...
Another reason why you should avoid converting the column to varchar(max) is because you cannot create an index on a varchar(max) column.
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...cate_database exception (which is issued when database already exists) and converts it into notice with propagating errcode. String message has appended , skipping in the same way how it does CREATE SCHEMA IF NOT EXISTS.
CREATE EXTENSION IF NOT EXISTS dblink;
DO $$
BEGIN
PERFORM dblink_exec('', 'C...
How to fade to display: inline-block
...a fadeIn() that loads fades in each element with the class .faded in turn, converted to animate() :
Old:
$(".faded").each(function(i) {
$(this).delay(i * 300).fadeIn();
});
New:
$(".faded").each(function(i) {
$(this).delay(i * 300).css('opacity',0).animate({'opacity': 1}, 500);
});
Ho...