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Are tuples more efficient than lists in Python?
...he performance of your program -- remember "premature optimization is the root of all evil").
Python makes this very easy: timeit is your friend.
$ python -m timeit "x=(1,2,3,4,5,6,7,8)"
10000000 loops, best of 3: 0.0388 usec per loop
$ python -m timeit "x=[1,2,3,4,5,6,7,8]"
1000000 loops, best ...
XML Validation with XSD in Visual Studio IDE
... namespace defined correctly.
To define the namespace:
In the XML file's root element:
<Data xmlns='http://yourdomain.com/yourschema.xsd'>
...
</Data>
In the XSD file's schema element:
<xs:schema
xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://you...
Why does Math.round(0.49999999999999994) return 1?
...nd%28double%29
4. http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/7u40-b43/java/lang/Math.java#Math.round%28double%29
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How to import other Python files?
...ge and then go to your host file where you want to import just type
from root.parent.folder.file import variable, class, whatever
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...
Creating functions in a loop
...Use a function factory to capture the current value of i in a closure
The root of your problem is that i is a variable that can change. We can work around this problem by creating another variable that is guaranteed to never change - and the easiest way to do this is a closure:
def f_factory(i):
...
node.js global variables?
...vCounters: [Function],
binding: [Function] },
GLOBAL: [Circular],
root: [Circular],
Buffer:
{ [Function: Buffer]
poolSize: 8192,
isBuffer: [Function: isBuffer],
byteLength: [Function],
_charsWritten: 8 },
setTimeout: [Function],
setInterval: [Function],
clear...
Put buttons at bottom of screen with LinearLayout?
...roid="http://schemas.android.com/apk/res/android"
android:id="@+id/db1_root"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/textView1"
android:layout_width="fill_parent"
...
How to Test a Concern in Rails
... end
end
# spec/models/master_spec.rb
require 'spec_helper'
require Rails.root.join "spec/concerns/personable_spec.rb"
describe Master do
it_behaves_like "personable"
end
# spec/models/apprentice_spec.rb
require 'spec_helper'
describe Apprentice do
it_behaves_like "personable"
end
The adva...
Writing a compiler in its own language
...d replace it with a version that will accept the password "joshua" for the root account in addition to the normal password.
If you compile that and spread it as a binary, there will be no way to find the virus by looking at the source.
The original source of the idea: https://web.archive.org/web/2...
What causes imported Maven project in Eclipse to use Java 1.5 instead of Java 1.6 by default and how
...
Here is the root cause of java 1.5:
Also note that at present the default source setting is 1.5 and the default target setting is 1.5, independently of the JDK you run Maven with. If you want to change these defaults, you should set ...