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Understanding ibeacon distancing
...ot perfect, and require that you control for other variables. Be sure you read up on the complexities and limitations before misusing this.
When we were building the Android iBeacon library, we had to come up with our own independent algorithm because the iOS CoreLocation source code is not availa...
What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
I was reading about JSF that its a UI framework and provides some UI components. But how is it better or different from number of components that are available from jQueryUI, AngularJS, ExtJS, or even plain HTML, CSS and JavaScript.
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Some font-size's rendered larger on Safari (iPhone)
...to use the media query. It seems that this can make some text difficult to read: Beware of -webkit-text-size-adjust:none
– Gemmu
Feb 13 '15 at 12:46
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Pass all variables from one shell script to another?
...mmand, or if the assignment is a result of the operation of the getopts or read utilities, the export attribute shall persist until the variable is unset.
From the Bash Manual:
-a: Mark variables and function which are modified or created for export to the environment of subsequent commands.
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What does 'const static' mean in C and C++?
...r bss segment depending on the architecture, and might be in memory marked read-only.
All that is how C treats these variables (or how C++ treats namespace variables). In C++, a member marked static is shared by all instances of a given class. Whether it's private or not doesn't affect the fact tha...
How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
...ec/spec_helper.rb
create spec/rails_helper.rb
I strongly recommended to read through all spec_helper and rails_helper comments to get a good understanding of what each option does.
Once everything is set you can run all your tests with:
bundle exec rspec
You can read more about the recommend...
Why main does not return 0 here?
I was just reading
3 Answers
3
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What exactly is metaprogramming?
I was reading an article on TheServerSide on ployglot programming on the Java platform . Some comments in the article refer to metaprogramming as the ability to generate code (perhaps on the fly).
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Why would you use an ivar?
...es. The type may not be copyable, or it may not be trivial to copy.
Multithreading
Many of your ivars are codependent. You must ensure your data integrity in multithreaded context. Thus, you may favor direct access to multiple members in critical sections. If you stick with accessors for codependent...
Symbolic link to a hook in git
...roject folder (since git doesn't track changes in .git/hooks), somewhere I read that I can make a symbolic link from hooks to .git/hooks so I don't have to copy the file from one folder to the other every time someone changes it so I tried:
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