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How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
...mmand line install rspec into your application:
$ rails g rspec:install
Now your rails application uses RSpec instead of test-unit.
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How to find where gem files are installed
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After installing the gems, if you want to know where a particular gem is. Try typing:
gem list
You will be able to see the list of gems you have installed. Now use bundle show and name the gem you want to know the path for, like this:
bundle show <gemName&g...
Default value of function parameter
...uments have to form a contiguous group at the end of the parameter list.
Now, keeping that in mind, in C++ you are allowed to "grow" the set of parameters that have default arguments from one declaration of the function to the next, as long as the above requirements are continuously satisfied.
Fo...
SET versus SELECT when assigning variables?
...d hide the fact that multiple values were returned (so you'd likely never know why something was going wrong elsewhere - have fun troubleshooting that one)
When assigning from a query if there is no value returned then SET will assign NULL, where SELECT will not make the assignment at all (so the ...
ASP.NET MVC partial views: input name prefixes
...r />
<input type="submit" value="Submit" />
</form>
Now this is complete. Set a breakpoint in the Create Post controller action to verify. Don't use this with lists however because it wont work. See my question on using EditorTemplates with IEnumerable for more on that.
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Java naming convention for static final variables [duplicate]
...mlFileReader extends FileReader {}
The developer is said not to need to know that the above classes are abstract or an interface.
Static Final
My personal preference and belief is that we should follow similar logic when referring to static final variables. Instead, we evaluate its usage when de...
How to describe “object” arguments in jsdoc?
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By now there are 4 different ways to document objects as parameters/types. Each has its own uses. Only 3 of them can be used to document return values, though.
For objects with a known set of properties (Variant A)
/**
* @par...
Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
... I dont like this....I have a search page that uses GET and now my url is full of true/false params...
– Shawn Mclean
Oct 3 '11 at 15:50
1
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Android Location Providers - GPS or Network Provider?
...com/a/3145655/28557
-----------------------Update-----------------------
Now Android have Fused location provider
The Fused Location Provider intelligently manages the underlying location technology and gives you the best location according to your needs. It simplifies ways for apps to get the us...
Apply multiple functions to multiple groupby columns
... 0.687672 1.754877 0.672401
Using apply and returning a Series
Now, if you had multiple columns that needed to interact together then you cannot use agg, which implicitly passes a Series to the aggregating function. When using apply the entire group as a DataFrame gets passed into the fu...