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qmake: could not find a Qt installation of ''
...s up the complete qt5 development installation for me: apt-get install qt5base-dev qtdeclarative5-dev qt5-qmake qt5-default qttools5-dev-tools And then check using: qtchooser -print-env
– Salil
Jan 25 '16 at 23:42
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Unit Testing bash scripts
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There is actually a shunit2, an xUnit based unit test framework for Bourne based shell scripts. I haven't used it myself, but it might be worth checking out.
Similar questions have been asked before:
Unit Testing for Shell Scripts
Test Anything Protocol in Sh...
Status bar won't disappear
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You should add this value to plist: "View controller-based status bar appearance" and set it to "NO".
This will enable you to set the status bar to hidden mode. This sets it to a global unlike other provided answers.
UPDATE: If you want that the status bar would be hidden on ...
Difference Between One-to-Many, Many-to-One and Many-to-Many?
...ps that you need to be concerned with when mapping. The first category is based on multiplicity and it includes three types:
*One-to-one relationships. This is a relationship where the maximums of each of its multiplicities is one, an example of which is holds relationship between Employee and P...
JSON, REST, SOAP, WSDL, and SOA: How do they all link together
...d XML, are functionally equivalent, and common choices. There are also RPC-based frameworks like GRPC based on Protobufs, and Apache Thrift that can be used for communication between the API producers and consumers. The most common format used by web APIs is JSON because of it is easy to use and par...
What is the point of interfaces in PHP?
...e. Most of the problems with multiple inheritance don't apply to abstract base classes, so most modern languages these days disable multiple inheritance yet call abstract base classes interfaces and allows a class to "implement" as many of those as they want.
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How do you diff a directory for only files of a specific type?
...=PATTERN' option. This option ignores any files
or subdirectories whose base names match the shell pattern PATTERN.
Unlike in the shell, a period at the start of the base of a file name
matches a wildcard at the start of a pattern. You should enclose
PATTERN in quotes so that the shell doe...
Case in Select Statement
...earched CASE expression allows for values to be replaced in the result set based on comparison values. The following example displays the list price as a text comment based on the price range for a product.
USE AdventureWorks2012;
GO
SELECT ProductNumber, Name, "Price Range" =
CASE
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Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...s_attachment_content_type in Model
Rails 3
class User < ActiveRecord::Base
attr_accessible :avatar
has_attached_file :avatar, :styles => { :medium => "300x300>", :thumb => "100x100>" }, :default_url => "/images/:style/missing.png"
validates_attachment_content_type :avatar, :co...
What is an API key? [closed]
...ccess control. For example, you can restrict access to certain API actions based on who's performing the request. For companies which make money from selling such services, it's also a way of tracking who's using the thing for billing purposes. Further still, by blocking a key, you can partially pre...