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String literals and escape characters in postgresql
Attempting to insert an escape character into a table results in a warning.
5 Answers
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How can I save an image with PIL?
I have just done some image processing using the Python image library (PIL) using a post I found earlier to perform fourier transforms of images and I can't get the save function to work. The whole code works fine but it just wont save the resulting image:
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Shading a kernel density plot between two points.
I frequently use kernel density plots to illustrate distributions. These are easy and fast to create in R like so:
5 Answer...
Optimistic vs. Pessimistic locking
I understand the differences between optimistic and pessimistic locking. Now could someone explain to me when I would use either one in general?
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Why functional languages? [closed]
I see a lot of talk on here about functional languages and stuff. Why would you use one over a "traditional" language? What do they do better? What are they worse at? What's the ideal functional programming application?
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Purpose of Django setting ‘SECRET_KEY’
...docs ( https://docs.djangoproject.com/en/dev/ref/settings/#secret-key ), but I was looking for a more in-depth explanation of this, and why it is required.
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user authentication libraries for node.js?
Are there any existing user authentication libraries for node.js? In particular I'm looking for something that can do password authentication for a user (using a custom backend auth DB), and associate that user with a session.
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AngularJS: Basic example to use authentication in Single Page Application
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I've created a github repo summing up this article basically: https://medium.com/opinionated-angularjs/techniques-for-authentication-in-angularjs-applications-7bbf0346acec
ng-login Github repo
Plunker
I'll try to explain as good as possible, ...
Google Maps API v3: How do I dynamically change the marker icon?
...marker.setIcon('newImage.png')... Look here for the docs.
Are you asking about the actual way to do it? You could just create each div, and a add a mouseover and mouseout listener that would change the icon and back for the markers.
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What is the difference between pip and conda?
...anager for python packages. However, I saw the installation on IPython's website use conda to install IPython.
12 Answers...