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Task not serializable: java.io.NotSerializableException when calling function outside closure only o
...partitioned across the nodes of the cluster, but Spark abstracts this away from the user, letting the user interact with the RDD (collection) as if it were a local one.
Not to get into too many details, but when you run different transformations on a RDD (map, flatMap, filter and others), your tran...
Make the current commit the only (initial) commit in a Git repository?
...h is misleading - the history will still exist it just won't be accessible from that branch. If you have tags, for example, which point to older commits, these commits will be accessible. In fact, for anyone with a bit of git foo, I'm sure that after this git push, they will still be able to recover...
What are the differences between json and simplejson Python modules?
...have seen many projects using simplejson module instead of json module from the Standard Library. Also, there are many different simplejson modules. Why would use these alternatives, instead of the one in the Standard Library?
...
AngularJS : The correct way of binding to a service properties
...oes not have to be decoupled. And as far as decoupling the markup entirely from the data model, the drawbacks outweigh the advantages.
Controllers, in general shouldn't be littered with $scope = injectable.data.scalar's. Rather, they should be sprinkled with $scope = injectable.data's, promise.th...
How to prevent a click on a '#' link from jumping to top of page?
...
In jQuery, when you handle the click event, return false to stop the link from responding the usual way prevent the default action, which is to visit the href attribute, from taking place (per PoweRoy's comment and Erik's answer):
$('a.someclass').click(function(e)
{
// Special stuff to do whe...
How to dynamically load a Python class
...
From the python documentation, here's the function you want:
def my_import(name):
components = name.split('.')
mod = __import__(components[0])
for comp in components[1:]:
mod = getattr(mod, comp)
retu...
Codeigniter - no input file specified
... tough time to setup the .htaccess file so that i can remove the index.php from my urls. However, after some googling, i combined the answer on this thread and other answers. My final working .htaccess file has the following contents:
<IfModule mod_rewrite.c>
# Turn on URL rewriting
R...
How expensive is RTTI?
I understand that there is a resource hit from using RTTI, but how big is it? Everywhere I've looked just says that "RTTI is expensive," but none of them actually give any benchmarks or quantitative data reguarding memory, processor time, or speed.
...
Is there a good Valgrind substitute for Windows?
...soft.com/kb/268343 ) and found it quiet useful and easy to setup. It works from Win2000 to Win7.
AppVerifier is a must have swissknife for windows native code developers, its "memory" checker does similar job
http://msdn.microsoft.com/en-us/library/dd371695%28v=vs.85%29.aspx
2. Callgrind:
My fav...
HTTP POST Returns Error: 417 “Expectation Failed.”
... can change override the default underlying HttpWebRequest.ProtocolVersion from the default of 1.1 by creating a derived Proxy class which overrides protected override WebRequest GetWebRequest(Uri uri) as shown in this post:-
public class MyNotAssumingHttp11ProxiesAndServersProxy : MyWS
{
prote...