Tutorial by Topics: go

Remember, the Snapshot API is used to request current state while the Fence API continuously checks for a specified state and sends callbacks when an app isn't running. Overall, there are a few basic steps in order to use the Snapshot API or Fence API: Get an API key from the Google Develope...

VBA will implicitly convert some types to string as necessary and without any extra work on the part of the programmer, but VBA also provides a number of explicit string conversion functions, and you can also write your own. Three of the most frequently used functions are CStr, Format and StrConv...

Django Admin is the CRUD interface of Django web framework. It is mostly automatically generated but can be widely customize. However, you must keep in mind that it is designed for trusted users only and has its limits. In any case, you must never give admin access to untrusted users. Django Admi...

This section provides an overview of what django-cms is, and why a developer might want to use it. It should also mention any large subjects within django-cms, and link out to the related topics. Since the Documentation for django-cms is new, you may need to create initial versions of those rela...

Official Google Documentation Google Maps JavaScript API Overview Google Maps JavaScript API Code Samples Google Maps JavaScript API Reference About the examples in this topic YOUR_API_KEY needs to be replaced by your own application API key. You can obtain an API key and configure ...

Google Visualization provides a flexible javascript-based framework for creating a wide variety of interactive charts that can be embedded on webpages. Those chart types include: Geo Charts Scatter Charts Column Charts Bar Charts Histograms Combo Charts Area Charts Stepped Area Charts L...

One of the main useful features of gnuplot is the possibility of plotting data files. Plotting a data file is really simple with gnuplot, actually, once you have opened the software from the terminal, you only need to digit the command plot 'file' to get an automatic plot. First of all, before plot...

Categories can be used to override methods of a class. Even if the method is actually private. The overridden method cannot be accessed from the category or anywhere else. So it's important to make sure when adding methods to an existing class, that those methods don't exist already.

If you're not opposed to running a Ruby utility, Genghis is a classic: http://genghisapp.com/ But for scalable production use, get yourself to MongoHQ. http://www.mongohq.com/ Also, the Mongo Monitoring Service, from 10Gen, the makers of Mongo: https://mms.mongodb.com/ MongoClient is written ...

It's often necessary to run maintenance scripts on your database. Fields get renamed; data structures get changed; features that you used to support get removed; services get migrated. The list of reasons why you might want to change your schema is pretty limitless. So, the 'why' is pretty self ex...

Categoricals are a pandas data type, which correspond to categorical variables in statistics: a variable, which can take on only a limited, and usually fixed, number of possible values (categories; levels in R). Examples are gender, social class, blood types, country affiliations, observation time...

Using django-redis-cache or django-redis are both effective solutions for storing all cached items. While it is certainly possible for Redis to be setup directly as a SESSION_ENGINE, one effective strategy is to setup the caching (as above) and declare your default cache as a SESSION_ENGINE. While...