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What does this thread join code mean?
...nd/or t2 could have finished before the main thread calls join() on them. If so then join() will not wait but will return immediately.
t1.join() means cause t2 to stop until t1 terminates?
No. The main thread that is calling t1.join() will stop running and wait for the t1 thread to finish. ...
ruby send method passing multiple parameters
...method-name clashes”
Black also suggests wrapping calls to __send__ in if respond_to?(method_name).
if r.respond_to?(method_name)
puts r.__send__(method_name)
else
puts "#{r.to_s} doesn't respond to #{method_name}"
end
Ref: Black, David A. The well-grounded Rubyist. Manning, 2009. P.1...
Validating email addresses using jQuery and regex
...-\uFDCF\uFDF0-\uFFEF])\.?$/i;
return pattern.test(emailAddress);
}
if( !isValidEmailAddress( emailaddress ) ) { /* do stuff here */ }
NOTE: keep in mind that no 100% regex email check exists!
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Rollback to an old Git commit in a public repo
How can I go about rolling back to a specific commit in git ?
11 Answers
11
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Combining node.js and Python
... communication between node.js and Python server, I would use Unix sockets if both processes run on the same server and TCP/IP sockets otherwise. For marshaling protocol I would take JSON or protocol buffer. If threaded Python shows up to be a bottleneck, consider using Twisted Python, which
provide...
How to get an element by its href in jquery?
...t.
var linksToGoogle = $('a[href="http://google.com"]');
Alternatively, if your interest is rather links starting with a certain URL, use the attribute-starts-with selector:
var allLinksToGoogle = $('a[href^="http://google.com"]');
...
codestyle; put javadoc before or after annotation?
...lso of interest here - the annotation is on the same line as the other qualifiers for the method. I've never seen that done before, but it seems to suggest that annotations should be treated much like other qualifiers for a method, and as such, the javadoc should definitely go before it.
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How to delete a cookie?
...
Try this:
function delete_cookie( name, path, domain ) {
if( get_cookie( name ) ) {
document.cookie = name + "=" +
((path) ? ";path="+path:"")+
((domain)?";domain="+domain:"") +
";expires=Thu, 01 Jan 1970 00:00:01 GMT";
}
}
You can define get_cookie() like ...
How to disable action bar permanently
...
If you are using Theme.Holo.Light and want to use the Theme.Holo.Light.NoActionBar variant on pre 3.2 devices you can add this to your styles.xml:
<style name="NoActionBar" parent="@android:style/Theme.Holo.Light">
...
Android - Center TextView Horizontally in LinearLayout
...ndroid:layout_gravity it places the widget, as a whole, in the gravity specified. Instead of placing the whole widget center what you're really trying to do is place the content in the center which can be accomplished with android:gravity="center_horizontal" and the android:layout_gravity attribute ...