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How fast is D compared to C++?
...out printing code and replaced writefln with writeln
Changed imports to be selective
Used pow operator (^^) instead of manual multiplication for final step of calculating average
Removed the size_type and replaced appropriately with the new index_type alias
...thus resulting in scalar2.cpp (pasteb...
How to upload a file in Django? [closed]
...ss DocumentForm(forms.Form):
docfile = forms.FileField(
label='Select a file',
help_text='max. 42 megabytes'
)
4. View: myproject/myapp/views.py
A view where all the magic happens. Pay attention how request.FILES are handled. For me, it was really hard to spot the fact tha...
Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
...the values in your code be reused to compute the cluster quality to aid in selecting the number of optimal clusters?
– Legend
Jul 11 '11 at 6:10
6
...
Learning Python from Ruby; Differences and Similarities
...lues greater than 15. In Ruby, you'd have to write the following:
values.select {|v| v > 15}.map {|v| v * v}
The Ruby code doesn't feel as compact. It's also not as efficient since it first converts the values array into a shorter intermediate array containing the values greater than 15. Th...
Why am I merging “remote-tracking branch 'origin/develop' into develop”?
... following should do it:
git rebase @{u}
The above command tells Git to select all of the non-merge commits reachable from HEAD (the current commit), minus all the commits reachable from @{u} (which is shorthand for "the upstream branch", i.e., origin/master if HEAD is master), replay (cherry-pic...
Escape double quotes in parameter
...ve all the quotes here and place the parameter value in a string used in a select query filter? Can someone help?
– SFDC_Learner
Nov 24 '15 at 16:21
...
What are the main uses of yield(), and how does it differ from join() and interrupt()?
... calling yield(), there's still no guarantee that the same thread won't be selected for execution again, given a pool of equal priority threads.
– Andrew Fielden
Aug 8 '11 at 9:20
...
Advantage of creating a generic repository vs. specific repository for each object?
...se GetById(int id)? How would composite keys work? I wondered if a generic selection by ID was a worthwhile abstraction. If not, what else would generic repositories be forced to express akwardly? That was the line of reasoning behind abstracting the implementation, not the interface.
...
Rails 4 multiple image or file upload using carrierwave
How can I upload multiple images from a file selection window using Rails 4 and CarrierWave? I have a post_controller and post_attachments model. How can I do this?
...
How to use Elasticsearch with MongoDB?
...ng bumped up when you update.
echo "mongodb-10gen hold" | sudo dpkg --set-selections
Start the MongoDB service.
sudo service mongodb start
Your database files default to /var/lib/mongo and your log files to /var/log/mongo.
Create a database through the mongo shell and push some dummy data int...