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Showing line numbers in IPython/Jupyter Notebooks
...'base/js/events'
],
function(IPython, events) {
events.on("app_initialized.NotebookApp",
function () {
IPython.Cell.options_default.cm_config.lineNumbers = true;
}
);
}
);
...
How To Save Canvas As An Image With canvas.toDataURL()?
I'm currently building a HTML5 web app/Phonegap native app and I can't seem to figure out how to save my canvas as an image with canvas.toDataURL() . Can somebody help me out?
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Xcode: Build Failed, but no error messages
... be something related to code signing if you are able to build and run the app, but not Archive. Further googling of your error message should resolve that now that it has been revealed.
share
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im...
How to use underscore.js as a template engine?
...id="target"></div>
<!-- Write some code to fetch the data and apply template -->
<script type="text/javascript">
var items = [
{name:"Alexander", interests:"creating large empires"},
{name:"Edward", interests:"ha.ckers.org <\nBGSOUND SRC=\"javascript:alert('XSS');...
How can you use optional parameters in C#?
...sb = new StringBuilder(); for (int i = 0; i < args.Length; i++){ sb.Append("{"); sb.Append(i.ToString()); sb.Append("}"); sb.Append(" "); } String.Format(sb.ToString(),args).Dump(); } Sample call: log("...Done,",(watch.ElapsedMilliseconds/1000).ToString(),"s");
–...
Changing overflow icon in the action bar
...or all ActionBar items and I also want to change the overflow icon when it appears.
7 Answers
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REST APIs: custom HTTP headers vs URL parameters
...A mobile platform should almost always be the User himself acting, and use appropriate first person credentials for the transaction.
– Nialscorva
Feb 15 '12 at 0:08
8
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Rails: select unique values from a column
...el.uniq.pluck(:rating)
# rails 5+
Model.distinct.pluck(:rating)
Update
Apparently, as of rails 5.0.0.1, it works only on "top level" queries, like above. Doesn't work on collection proxies ("has_many" relations, for example).
Address.distinct.pluck(:city) # => ['Moscow']
user.addresses.disti...
Using custom fonts using CSS?
... Thank you for the great detailed answer. May I ask if that kind of approach works for the older browsers as well? Such as.. IE8/7/6? And by the way, are all of the fonts displayed on Google Webfonts free for commercial use?
– Radicate
Aug 27 '12 at 15:2...
Showing empty view when ListView is empty
For some reason the empty view, a TextView in this case, always appears even when the ListView is not empty. I thought the ListView would automatically detect when to show the empty view.
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