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Multiple inheritance for an anonymous class
...java.lang.Object.
For example:
Runnable r = new Runnable() {
public void run() { ... }
};
Here, r is an object of an anonymous class which implements Runnable.
An anonymous class can extend another class using the same syntax:
SomeClass x = new SomeClass() {
...
};
What you can't do is...
Exclude a sub-directory using find
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Thank you for this code snippet, which might provide some limited short-term help. A proper explanation would greatly improve its long-term value by showing why this is a good solution to the problem, and would make it more useful to future readers with other, similar quest...
Bootstrap 3 - Why is row class is wider than its container?
...ifficult time
understanding how the row class works.
Is there a way to avoid the padding-left and padding-right ?
6 Ans...
python: SyntaxError: EOL while scanning string literal
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@Leo they are called 'escape characters', and this is pretty standard. You can put an r before the string to avoid them causing problems.
– eric
Feb 26 '19 at 16:56
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How do I create an immutable Class?
...e case, you should copy away whatever state you will want to retain and avoid returning entire mutable objects, unless you copy them before giving them back to the caller - another option is to return only immutable "sections" of the mutable object - thanks to @Brian Rasmussen for encouraging me to ...
Should I use Python 32bit or Python 64bit
...rio, the 64 bits performs better with the inconvenient that John La Rooy said; if not, stick with the 32 bits.
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Counting array elements in Python [duplicate]
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len is a built-in function that calls the given container object's __len__ member function to get the number of elements in the object.
Functions encased with double underscores are usually "special methods" implementing one of the standard interfaces in...
select count(*) from table of mysql in php
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You need to alias the aggregate using the as keyword in order to call it from mysql_fetch_assoc
$result=mysql_query("SELECT count(*) as total from Students");
$data=mysql_fetch_assoc($result);
echo $data['total'];
...
Plot logarithmic axes with matplotlib in python
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First of all, it's not very tidy to mix pylab and pyplot code. What's more, pyplot style is preferred over using pylab.
Here is a slightly cleaned up code, using only pyplot functions:
from matplotlib import pyplot
a = [ pow(10,i) for i in range(10) ]...
Reset the database (purge all), then seed a database
... and then recreates the database and includes your seeds.rb file.
http://guides.rubyonrails.org/migrations.html#resetting-the-database
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