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Restarting cron after changing crontab file?
...if you just want to make sure its done anyway,
sudo service cron reload
or
/etc/init.d/cron reload
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What is the purpose of shuffling and sorting phase in the reducer in Map Reduce Programming?
In Map Reduce programming the reduce phase has shuffling, sorting and reduce as its sub-parts. Sorting is a costly affair.
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Sending email in .NET through Gmail
...ress = new MailAddress("to@example.com", "To Name");
const string fromPassword = "fromPassword";
const string subject = "Subject";
const string body = "Body";
var smtp = new SmtpClient
{
Host = "smtp.gmail.com",
Port = 587,
EnableSsl = true,
DeliveryMethod = SmtpDeliveryMethod.Netwo...
How can i tell if an object has a key value observer attached
if you tell an objective c object to removeObservers: for a key path and that key path has not been registered, it cracks the sads. like -
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How to differentiate single click event and double click event?
...ere is an another click after the first click.
Here is the trick:
// Author: Jacek Becela
// Source: http://gist.github.com/399624
// License: MIT
jQuery.fn.single_double_click = function(single_click_callback, double_click_callback, timeout) {
return this.each(function(){
var clicks = 0,...
Coredata Error “data: ”
I try to pull out data from CoreData with the following code
2 Answers
2
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?: operator (the 'Elvis operator') in PHP
...docode,
foo = bar ?: baz;
roughly resolves to
foo = bar ? bar : baz;
or
if (bar) {
foo = bar;
} else {
foo = baz;
}
with the difference that bar will only be evaluated once.
You can also use this to do a "self-check" of foo as demonstrated in the code example you posted:
foo = foo...
When do you use the Bridge Pattern? How is it different from Adapter pattern?
Has anyone ever used the Bridge Pattern in a real world application? If so, how did you use it? Is it me, or is it just the Adaptor Pattern with a little dependency injection thrown into the mix? Does it really deserve its own pattern?
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Make anchor link go some pixels above where it's linked to
I'm not sure the best way to ask/search for this question:
21 Answers
21
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Does application.yml support environment variables?
...
Try ${OPENSHIFT_DIY_PORT} (the usual Spring placeholder notation). See here for docs.
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