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What is the difference between D3 and jQuery?
...jQuery you directly manipulate elements, but with D3 you provide data and callbacks through D3's unique data(), enter() and exit() methods and D3 manipulates elements.
D3 is usually used for data visualization but jQuery is used for creating web apps. D3 has many data visualization extensions and jQ...
Are Exceptions in C++ really slow
...r
The cost, however, is not trivial to measure:
The side-table is generally cold, and thus fetching it from memory takes a long time
Determining the right handler involves RTTI: many RTTI descriptors to fetch, scattered around memory, and complex operations to run (basically a dynamic_cast test ...
'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine
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Well, you need to install it. You're looking for:
The 2007 Office System Driver: Data Connectivity Components.
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Do I need quotes for strings in YAML?
...uotes unless you have to, and then to use single quotes unless you specifically want to process escape codes.
Update
"Yes" and "No" should be enclosed in quotes (single or double) or else they will be interpreted as TrueClass and FalseClass values:
en:
yesno:
'yes': 'Yes'
'no': 'No'
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What's the difference between ISO 8601 and RFC 3339 Date Formats?
...the web. Should I use one over the other? Is one just an extension? Do I really need to care that bad?
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Getting output of system() calls in Ruby
If I call a command using Kernel#system in Ruby, how do I get its output?
15 Answers
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Download a file with Android, and showing the progress in a ProgressDialog
...Use AsyncTask and show the download progress in a dialog
This method will allow you to execute some background processes and update the UI at the same time (in this case, we'll update a progress bar).
Imports:
import android.os.PowerManager;
import java.io.InputStream;
import java.io.OutputStream...
Where is the php.ini file on a Linux/CentOS PC? [duplicate]
I can't find PHP.ini location on my server. I've checked all Stack Overflow answers but I can't find my php.ini location.
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jQuery selector for the label of a checkbox
...browsers (Safari/Chrome), you can do $('#comedyclubs')[0].labels to access all the labels assigned to #comedyclubs.
– Matt
Aug 9 '12 at 2:17
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Select DISTINCT individual columns in django?
...g note in the docs about using distinct(). The above example will work but all combinations of distinct() and values() may not.
PS: it is a good idea to use lower case names for fields in a model. In your case this would mean rewriting your model as shown below:
class ProductOrder(models.Model):
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