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What do the plus and minus signs mean in Objective-C next to a method?
...on of this from Apple is here, under the 'Methods and Messaging' section:
https://developer.apple.com/library/mac/referencelibrary/GettingStarted/RoadMapOSX/books/WriteObjective-CCode/WriteObjective-CCode/WriteObjective-CCode.html
In brief:
+ means 'class method'
(method can be called without an...
What's the difference between == and .equals in Scala?
...ou really need to find out if something is actually NaN use isNaN:
Java: https://docs.oracle.com/javase/7/docs/api/java/lang/Double.html#isNaN(double)
Scala: http://www.scala-lang.org/files/archive/api/2.11.8/index.html#scala.Double@isNaN():Boolean
...
CMake: Print out all accessible variables in a script
...IBRARIES, and by mistake I had BOOST_LIBRARIES instead of Boost_LIBRARIES, https://cmake.org/cmake/help/v3.0/module/FindBoost.html , better example for boost:
set(Boost_USE_STATIC_LIBS ON)
find_package(Boost REQUIRED COMPONENTS RANDOM)
include_directories(${Boost_INCLUDE_DIRS})
target_link_librarie...
str.startswith with a list of strings to test for
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What is WCF RIA services?
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How to read environment variables in Scala
...o override foo if an environment variable VAR_NAME exist.
More details in https://github.com/typesafehub/config#optional-system-or-env-variable-overrides
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npm install error - MSB3428: Could not load the Visual C++ component “VCBuild.exe”
...
set HTTP_PROXY=http://login:password@your-proxy-host:your-proxy-port
set HTTPS_PROXY=http://login:password@your-proxy-host:your-proxy-port
run this:
npm install -g --production windows-build-tools
No need for Visual Studio. This has what you need.
References:
https://www.npmjs.com/package/w...
How to get the title of HTML page with JavaScript?
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NameError: name 'self' is not defined
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What does the “-U” option stand for in pip install -U
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