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I want to protect my Lua codes on my project, I'm using Corona SDK.
I saw some lua files being obfuscated like this one
https://github.com/ChartBoost/corona-sdk/blob/master/ChartboostSDK/chartboost.lua
Is there any application to protect my source code?
The file you mentioned is not encrypted: it's just precompiled bytecode for Lua 5.1. It can be read with luac -l -p (not in source form but in VM instructions, which are probably enough to reconstruct the source). If you want to reconstruct the source, try LuaDec for Lua 5.1.
You can precompile your code using luac or string.dump.
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I am going to make a program for learning languages and I want to add words to the dictionary so I can check them whenever I want to. I am going to store the word, its translation, definition and example(s) of use.
I can use databases but I am afraid it is too much because once i finish this little project I want to convert it to .exe file (I am using python) and send it to my friends and I don't want them to download SQL DBMS.
I have seen some ideas like - store it in .csv or .xml or even .txt files but I am not sure if it's the best option.
I believe the most appropriate way of storing a dictionary is by using a .json file. IIRC the python package json makes importing and exporting easier.
You can use SQLite as database.
It does not require to install a DBMS and once you create the .exe all the modules from python to use it are included
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According to the wiki https://github.com/bazelbuild/bazel/wiki/Building-with-a-custom-toolchain, I can use bazel build hello.cc code. Now I have Installed the croos-tool compiler in local disk. So I want to create a custom CROSSTOOL use new_local_repository. What should I do? Thanks!
If you want to write a custom CROSSTOOL, and you have compiler/linker already installed, just follow the instructions in https://github.com/bazelbuild/bazel/wiki/Building-with-a-custom-toolchain and when you're done, you can use your crosstool by e.g. bazel build --crosstool_top=//tools/my_custom_crosstool:toolchain //src:hello.
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It would be great if we could run commands in the terminal during simulation. Just like in JavaScript where you can enter commands and get output. Why is there no such functionality in programming for iOS?
Only interpreted languages can execute code at runtime. Compiled languages cannot. Since swift is a compiled language it cannot execute code at runtime.
Examples Of Interpreted Languages
Java
JavaScript
PHP
Perl
Python
Ruby
Examples Of Compiled Languages
C
C++
C#
Objective-C
Pascal
Scala
Swift
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so I have just bought the PIL 3 (programming in Lua 3rd Edition). and have begun reading the eBook. however I am abit confused on the whole interpreter idea. how do I install the editor? I am talking about what do I install and what do I do with them.
An interpreter is simple a program that runs the source code usually used to refer to the interactive version of this functionality. In this case the environment you get when you run lua from a command prompt.
As to editing lua code there is no dedicated editor, no built-in IDE, no default experience of that sort. You can, and people do, write your code in anything you want so long as it can save it to a file so that you can run it later.
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I was wondering if it is possible to interact with your computer through Lua (Through SciTE or Sublime Text, I suppose...)? For instance, can you play a .mp3, or open a file with Lua?
Yes, through the use of the operating system library os.
You can use os.execute([command]) to run any command from the host operating system's shell (think terminal or command prompt).
There's more information on using this library in the Lua online reference manual.