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Is there a reason that we cannot iterate on “reverse Range” in ruby?
I tried to iterate backwards with using a Range and each :
12 Answers
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SQLAlchemy - Getting a list of tables
...n you can use table reflection. SQLAlchemy will then inspect the database and update the metadata with all of the missing tables.
>>> metadata.reflect(engine)
For Postgres, if you have multiple schemas, you'll need to loop thru all the schemas in the engine:
from sqlalchemy import insp...
Converting string from snake_case to CamelCase in Ruby
...ssify returns a string, whereas #constantize looks up constant in context (and does need camelize). 'active_record'.constantize gives error, 'active_record'.camelize.constantize returns the constant ActiveRecord, 'active_record'.classify returns the string 'ActiveRecord'. And if you did 'no_class'.c...
How to select all instances of selected region in Sublime Text
Is there a shortcut key or single-step menu option to find and select all instances of a highlighted selection in Sublime Text?
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How to change plot background color?
I am making a scatter plot in matplotlib and need to change the background of the actual plot to black. I know how to change the face color of the plot using:
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jQuery .scrollTop(); + animation
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To do this, you can set a callback function for the animate command which will execute after the scroll animation has finished.
For example:
var body = $("html, body");
body.stop().animate({scrollTop:0}, 500, 'swing', function() {
alert("Finished animating");
});
Where that alert ...
Using Node.js only vs. using Node.js with Apache/Nginx
... If you let nginx/Apache worry about starting as root, binding to port 80, and then relinquishing its root privileges, it means your Node app doesn't have to worry about it.
Serving static files like images, css, js, and html. Node may be less efficient compared to using a proper static file web ser...
CSS selector for a checked radio button's label
...ator. It combines two sequences of simple selectors having the same parent and the second one must come IMMEDIATELY after the first.
As such:
input[type="radio"]:checked+label{ font-weight: bold; }
//a label that immediately follows an input of type radio that is checked
works very nicely for...
Path.Combine for URLs?
Path.Combine is handy, but is there a similar function in the .NET framework for URLs ?
40 Answers
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Is it possible to “await yield return DoSomethingAsync()”
...re regular iterator blocks (i.e. "yield return") incompatible with "async" and "await"?
9 Answers
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