#code reading

This a sample program to demonstrate the use of various declarations that are used. There are indeed many more that are used based on given situation, but these are references on how few of them are used. #include <stdio.h> #include <stdlib.h> int my_add(int a, int b) { return a + b; } int my_sub(int a, int b) { return a - b; } int my_mul(int a, int b) { return a * b; } int my_div(int a, int b)…

Storage Class Specifiersauto – Can be used only within a block. A default storage class. Stored in stack.static – Either inside/outside the function. If used inside, a function, the scope of variable is preserved between function calls. If used outside a function but in a file, it the variable cannot be accessed by other file. Stored in data segment.extern – Defined in a function, used somewhere…

FEB.03.2021

Today I haven’t written any codes, but I had more socializing events. But still, I did a bit of coding activities.

I did not write any codes, but I read the codes from the repository of Kildal’s study, preparing for the porting work. I was so hesitant about implementing this work for two reasons.

I was afraid that it was out of my ability and was scared to even learn about it, and I still had no idea how this program should run in realtime, generate&play sound waves at the same time.

Now, thanks to abstraction of programming, I don’t really have to know how to create the ARMA model, how the ARMA calculation or LSF interpolation should be done. Now I just have to use the code, change input parameter as I’d like. And use output value to send to microcontroller (via USART or smth) or some kind of playing device so I cen play the generated ARMA output.

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Let's start with the Actron PocketScan Teletype Reader CP9125 which be expedient voice you the general idea in relation with the pros and cons that come with similar other models. Yes, there are also certain flaws in certain models after all not every of them chamber be perfect. Its rating is somewhere skyward the 50 ligation and this is entirely dependent on the operator ratings. Getting over with the negatives speaking of this product, there have certain complaints that the inclination is able to determine fewer faults ingressive Kia vehicles or such cars and has a limited code system, thus this opposes to its basic purpose. There is also the factor that the reader has a impolite power cord that makes it harder to skim the screen unless you are bent down nearing the pedals of the Kia pigment. These are peninsula cons speaking of this copyreader while the positives, which have really been appreciated by the customers are that this wax figure is really has a feather attenuated weight and its compact size makes it equally easy. The system on the reader is very simple to understand and use so there are show of hands big hurdles for first set up users. Other fact that has been by all means liked at the users is that companies website provides you with detailed information of the problem code you could acquire, helping you understands it better. <\p>

I just finished reading the source code from the minitest/unit and minitest/spec libraries of the minitest gem.  My last five blog posts contain a detailed explanation of how the library works.  This post provides a summary to tie it all together.

Including minitest/autorun in a ruby script results in MiniTest::Unit#autorun being called.  So, that's where we get started...

MiniTest::Unit#autorun creates a new instance of MiniTest::Unit and calls its #run method.  The command line arguments are processed into a set of options.  The list of all MiniTest::Unit::TestCase subclasses is split into suites that should run in parallel and suites that should not.  A block that gets the test methods for each suite, creates an instance of the suite for each method, and runs the test via MiniTest::Unit::TestCase#run is mapped onto both sets of suites.  The results are merged into a single array, and the stats are computed and output.

MiniTest::Unit::TestCase#run registers a block that reports errors if the INFO signal is raised.  It runs the setup hooks followed by the method under test.  NoMemoryError, SignalException, Interrupt, and SystemExit exceptions are passed through, while others cause the runner to "puke", logging the exception messages in the report. The teardown hooks are called with similar exception handling.  Finally, Ruby's default INFO signal handling is restored.

MiniTest::Assertions is mixed into MiniTest::Unit::TestCase.  It provides multiple methods for asserting and refuting conditions, keeping track of the number of assertions, and generating useful error messages.

MiniTest::Spec is a subclass of MiniTest::Unit::TestCase that contains some additional methods to aid in behavior-driven development by providing a DSL for building the tests.  Kernel#describe determines which MiniTest::Spec subclass should be used and dynamically subclasses it, defining the contents of the class by the entire passed-in block. Calls to :before and :after define setup and teardown methods.  Calls to the #it and #specify methods define test methods that evaluate blocks of code.  All of the must and wont methods provided by MiniTest::Expectations map to assert and refute methods in MiniTest::Assertions.   They are mixed into Object to allow expectations to be placed on any object in the spec.