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What is the use of join() in Python threading?
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Straight from the docs
join([timeout])
Wait until the thread terminates. This blocks the calling thread until the thread whose join() method is called terminates – either normally or through an unhandled exception – or until...
What is the copy-and-swap idiom?
...re finished; this now manages an array, without leaks. However, it suffers from three problems, marked sequentially in the code as (n).
The first is the self-assignment test. This check serves two purposes: it's an easy way to prevent us from running needless code on self-assignment, and it prote...
How do I set up email confirmation with Devise?
...l out there that explains how to set up Devise's signup confirmation email from scratch (in both development and production), i.e. if you don't have Action Mailer set up?
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How do I use Maven through a proxy?
... configuration in your settings.xml and instructions on how to modify it.
From the mini-guide, your settings should look something like this:
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apach...
What is the email subject length limit?
... ...This would be the case with any other header field too (eg "From"). PS if you're wondering why 78 instead of 80, or why 998 instead of 1000, it's because the email standard specifies CRLF (\r\n) as separator, which is two bytes, making it 1000 bytes per line of which 998 is the heade...
notifyDataSetChanged example
... a lot of resources and garbage collection.)
Create your own class derived from BaseAdapter and ListAdapter that allows changing of the underlying List data structure.
Use the notifyDataSetChanged() every time the list is updated. To call it on the UI-Thread, use the runOnUiThread() of Activity.
The...
Can I get Memcached running on a Windows (x64) 64bit environment?
... so people know, the 32-bit and 64-bit version as build by the good people from membase/couchbase/whatever is still available the blog URL has changed though:
32-bit binary of memcached 1.4.4 as Windows-service:
http://blog.couchbase.com/memcached-144-windows-32-bit-binary-now-available
http://s3...
How do you obtain a Drawable object from a resource id in android package?
... there a way to use the code below (or something like it) to get an object from the android.R.drawable.* package?
6 Answers...
How to access command line parameters?
The Rust tutorial does not explain how to take parameters from the command line. fn main() is only shown with an empty parameter list in all examples.
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What is java interface equivalent in Ruby?
...e Add method must even add at all, it might just as well remove an element from the collection.
This is a perfectly valid implementation of that interface:
class MyCollection<E> implements java.util.List<E> {
void add(int index, E element)
throws UnsupportedOperationException...