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How does data binding work in AngularJS?
...has an inconsistent view of the world. This is a very similar problem to thread locking, which JavaScript avoids since each callback executes exclusively and to completion. Change events break this since setters can have far-reaching consequences which are not intended and non obvious, which creates...
Removing leading zeroes from a field in a SQL statement
I am working on a SQL query that reads from a SQLServer database to produce an extract file. One of the requirements to remove the leading zeroes from a particular field, which is a simple VARCHAR(10) field. So, for example, if the field contains '00001A', the SELECT statement needs to return the...
How to prune local tracking branches that do not exist on remote anymore
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If you want to delete all local branches that are already merged into master, you can use the following command:
git branch --merged master | grep -v '^[ *]*master$' | xargs git branch -d
More info.
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Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
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The biggest advantage of nonblocking or asynchronous I/O is that your thread can continue its work in parallel. Of course you can achieve this also using an additional thread. As you stated for best overall (system) performance I guess it would be better to use asynchronous I/O and not multiple t...
Converting dd/mm/yyyy formatted string to Datetime [duplicate]
... = DateTime.Parse("24/01/2013", new CultureInfo("en-CA"));
Or
System.Threading.Thread.CurrentThread.CurrentCulture = new CultureInfo("en-CA");
DateTime dt = DateTime.Parse("24/01/2013"); //uses the current Thread's culture
Both the above lines would work because the the string's format is acce...
Best way to store date/time in mongodb
...ormat tells MongoDB that the timestamp you provided is in UTC. If you then read it back, your application probably converts it to your local timezone, making it seem like the time has changed. But the time is still the same, it's only interpreted from a different timezone perspective. For example 12...
What 'sensitive information' could be disclosed when setting JsonRequestBehavior to AllowGet
...Script should be useless to www.evil.com because there should be no way of reading the object returned by your web method. However, due to bugs in old versions of browsers (e.g. Firefox 3), it is possible for JavaScript prototype objects to be redefined and make it possible for www.evil.com to read ...
How can I check for “undefined” in JavaScript? [duplicate]
...same done in less code.)
Now some people will keel over in pain when they read this, screaming: "Wait! WAAITTT!!! undefined can be redefined!"
Cool. I know this. Then again, most variables in Javascript can be redefined. Should you never use any built-in identifier that can be redefined?
If you f...
Setting href attribute at runtime
... the href attribute with
$(selector).attr('href', 'url_goes_here');
and read it using
$(selector).attr('href');
Where "selector" is any valid jQuery selector for your <a> element (".myClass" or "#myId" to name the most simple ones).
Hope this helps !
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Difference between Divide and Conquer Algo and Dynamic Programming
...= 2...n
mem[i] = mem[i-2] + mem[i-1]
return mem[n]
}
You may read more about memoization and tabulation comparison here.
The main idea you should grasp here is that because our divide and conquer problem has overlapping sub-problems the caching of sub-problem solutions becomes possibl...