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C Programming
Questions related to the C Computer Programming Language. This ranges all the way from K&R to the most recent ANSI incarnations. C has become one of the most popular languages today, and has been used to write all sorts of things for nearly all of the modern operating systems and applications. It it a good compromise between speed, power, and complexity.
9,649 Questions
What is the difference between n-- and --n in C plus plus statement?
If these expressions are stand-alone (not nested), then they do the same thing, ie increment 'n'.
What do you mean by casting a value?
casting a value is when the data type is changed from one type to another.
int a = 100;
float b:
b = (float)a;
------
The (float)a casts an int to a float. In C this is automatic but in C++ it is not. For the sake of readability and debugging it is a good idea to put the cast in the code, this is relay helpful 6 months later when you review your work.
What does a catheter ablation interrupt?
The technique of catheter ablation (meaning tube-guided removal) is used to interrupt the abnormal contractions in the heart, allowing normal heart beating to resume.
Why do most programmers indent the conditionally executed statements?
They do so in order to cause these statements to stand out visually.
What is the difference between a null and loop-back interface?
Loop, is a word. We could say that the Earth loops the sun. Because the Earth in his orbit, has always the same path, so is going nowhere, its looping and never stop. Around and around, year by year. Looping the sun.
A loopback, is back, because someone is checking it. Back in his office or node or house. Testing it, and checking if the loop is good or not. For example: God was checking the universe, and say: lets loop all planets to the sun. Set loopback to earth at 395 days, set loopback to Pluton to... etc.
As he is checking it, testing it, creating it, etc... its making a loopback.
Null, is a logically concept.
As a loop or loopback could be theorical, logical, or physical (mathematics, hardware, or software) null is always logical.
Null is like a void, a dead end, a trash without recovery. All that is dropped there, you never see it again.
The way more easly to undertand, is that in maths, null is the same to say zero: 0.
In computers a null interface, device, cable, etc... is going to nowhere.
And all to a null int. will be losted.
Equal if we want it to multiply some number by zero (null).
43213421145678765432 x 0 = 0.
That means that no matter what is the number, the amount, or the data... it wont exist at the end.
If i say that tomorrow i will be driving on the null freeway, that is suicide.
If i say that now im playing revolver null Russian roullete... means that my gun doesnt have any ammo. XD.
Have a nice day !
:D
LM.
What symbol is use to join strings?
Language dependent. In C, for example, there no string as such, but you can use function strcat to concatenate zero-terminated character-sequences.
What variable scope is preferable in modules to avoid overwriting existing data?
C: static
other: (default)
How do you return current time in arduino nano...?
The current time in Arduino Nano can be done by resetting the software. This will allow the system to run on the correct time. This may be done at home or by and IT professional.
Write a c program to determine whether a matrix is singular or not?
A c program is also known as a computer program. A singular matrix has no inverse. An equation to determine this would be a/c=f.
<<>> The determinant of a singular matix is zero.
What is the structure of files and folders called?
folder structure is where you have difffrent files for diffrent things
How do you use enumeration in a sentence?
The word "enumerate" can mean simply to count, but more specifically to list a number of separate items, in written or verbal form.
Example : "The task of the census is to enumerate the country's residents."
Example : "I listened to the policeman enumerate my traffic violations."
It is the computer program written in human readable form that is eventually sent through a compiler or assembler to create a computer application. Source code can be in any high level language or even assembly language.
Function pointer that will point to a function that takes integer value and return character?
char (*funcp(int));
What search algorithm locates an item in an array by repeatedly dividing the array in half?
half means 1/2 from the whole (previous), which means 2 of 1/2, and 2 derived into binary. Ha, Binary Search is the term.
How can you differentiate overloading of pre-fix and post-fix increment operator?
The prefix increment operator is overloaded as operator++() while the postfix increment operator is overloaded as operator++(int).
How are devices treated in C plus plus?
On some platforms (unix, for example) devices are handled as special files.
What is conversion of 125 into binary?
1111101
If you use windows calculator click on view and select scientific. Then you too will be able to easily convert between numbering systems.
Alternately you could learn the different numbering systems (binary, decimal, octal and hexadecimal) as this proves most useful when programming.
Is C plus plus Becoming Use Less Nowadays?
My opinion is no. I'm a plus two student and I'm studying in IHRD. Now I'm studing c++ programming. Most of the technical school follows the same way.
Write a java program for sum of n numbers?
This is a very simple problem, alnost certainly a homework problem, and you should make an effort to answer it yourself.
A bitfield is an integer value treated as a sequence of bits which can be toggled individually as flags.
How do you get JNTU one-on-one online bits?
how to know 3rd.b-tech mid exams ece online bits of jntu-k
What is the value of a Mossberg 22 cal rifle model 51 M b?
The info I have read and researched, based on condition is approx: $150. to $250.00. I would hang on to it they are great shooters, and they don't make them anymore.
