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Specifying rails version to use when creating a new application
I have two versions of rails (2.1.0 and 2.2.2) installed in my computer.
7 Answers
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Why Choose Struct Over Class?
Playing around with Swift, coming from a Java background, why would you want to choose a Struct instead of a Class? Seems like they are the same thing, with a Struct offering less functionality. Why choose it then?
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What is the best way to concatenate two vectors?
I'm using multitreading and want to merge the results. For example:
8 Answers
8
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An error occurred while installing pg (0.17.1), and Bundler cannot continue
I just installed Rails 4.0.2 and when creating a new app, in the bundle stage I get:
16 Answers
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In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
I am building a small chat application for friends, but unsure about how to get information in a timely manner that is not as manual or as rudimentary as forcing a page refresh.
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bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need
The above outputs on my Terminal. I am on Mac OS 10.7.x. I have Python 2.7.1, and followed this tutorial to get Beautiful Soup and lxml, which both installed successfully and work with a separate test file located here . In the Python script that causes this error, I have included this line:
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'npm' is not recognized as internal or external command, operable program or batch file
I am completely new to nodejs. I am trying to get nodejs to work on my Windows 2008 box in order to install Karma which I would use for TDDing my AngularJs code. I have done the following steps so far
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Laravel blank white screen
My laravel site was working before, I recently upgraded to Apache 2.4 and PHP 5.5.7.
31 Answers
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Add floating point value to android resources/values
I'm trying to add a little space between lines to my TextViews using android:lineSpacingMultiplier
from the documentation :
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Error handling with node.js streams
...etimes referred to as through streams. They are similar to a duplex stream in this way, except they provide a nice interface to manipulate the data rather than just sending it through. The purpose of a transform stream is to manipulate the data as it is piped through the stream. You may want to do s...