What are the advantages of a list over an array for implementing a priority queue?
A priority queue not only requires insertion of a new element at the end of the queue, but may require insertion at the head or somewhere in the middle, subject to the priority of the new item.
This can be implemented efficiently using a list, but would generally require more expensive operations when implemented using an array, such as moving existing elements of lower priorities "one down" to make room for the new element.
Having said that, many other implementations of priority queues are possible, which might be perfectly suited for implementation with an array. For example, if the number of different priority levels is finite and small (three levels for low, middle and high, for example), one might consider implementing three queues instead, one for each priority level. This would allow for efficient implementation with statically allocated and sized arrays, which is often the preferred approach in embedded programming.
How do you append to your PATH and not lose the existing PATH settings?
You can typically append to an environment variable using a simple self-reference, but the exact syntax required depends on the operating system and "shell" in use.
For example, the console for Microsoft Windows operating systems supports this construct to append "XYZ" to the content of the (previously defined) PATH variable:
set PATH=%PATH%;XYZ
The %PATH% expression is being replaced with the content of that variable, and ;XYZ is appended. This example includes a semicolon, which is traditionally used to separate the elements of the search path definition (which is provided with the PATH environment variable).
Different operating systems and "shells" have different methods not only for defining this modification, but also for making the changes available to other programs (some systems require an explicit use of an export statement), or for making the changes permanent.
In Microsoft Windows operating systems, permanent changes to environment variables are best defined from the Systems property pages (see Advanced System Settings, Environment Variables).
What also called two dimensional arrays are?
I suppose you could refer to a two-dimensional array as a rectangular or square array (or as a jagged array of not all arrays within a given dimension have the same size). Table, grid or matrix may also be good synonyms for two-dimensional array, subject to the problem domain addressed with the algorithm.
What are the Steps for Programming a Kernel From scratch?
The first step is pending twenty years with learning.
Can Someone Decrypt this Please 4B 50 7B F1 F4 F5 5E 50 7B F1 F4 F5 5E 4B 4B 4B?
My first thoughts are to try and recognize any clearly discernible 'pattern'...
It appears the patterns I can, quite clearly, see here are...
1> A series of 2 digit numbers; with each of these paired numbers being seperated up by a space. Pairs of numbers are also known as being called, 'digraphs'.
2> Looks like being HEX code, possibly; because base 16 hexadecimal code uses numbers: 0-9/and, also, digits A-F; and, these numbers all seem to fit well within that same specific number/alphabet letter category range.
16 Hexadecimal digit numbers/(0-15):
0 1 2 3 4 5 6 7 8 9 A B C D E F
...of course, I could also be going all entirely wrong here...?! Anyway, I'm not going any further than this. I'll leave somebody else to go do the rest.../or else, leave it up to somebody else to, at least, correct me...???
How do you use atoi command in Linux?
The 'atoi' command is actually a function. It is not peculiar to Linux; it can be found in many high-level programming languages, most notably C, where it has the following signature:
int atoi (const char* str);
The 'atoi' name is simply a contraction of 'ASCII to integer'. That is; you use the function to convert a null-terminated ASCII string to an integer. The string argument (str) must represent some base 10 numeric symbol. That is, "42", "-1" and "3.14" are all numeric strings but the word "ten" is not. Leading whitespace is ignored by the function.
There are also two other versions of the function which convert to long and float:
long atol (const char* str);
float atof (const char* str);
To use these functions you need to include the <stdlib.h> header in C (or <cstdlib> in C++).
What is the need for data representation in computer?
"Data Representation" as you refer to it almost certainly refers to some means of storing data in a form which a program on a computer can find it again.
An example would be a simple text file containing a list of all the people you meet. If for example you were to write every name of every person you meet, all in lower case with no spaces or carriage returns, you have stored the data, but it is likely you'd never be able to read the list again. To represent the data more intelligently, you might start by separating each person with a carriage return. Then you would probably want to capitalize the first letter of each name. Then to cope with names like "McVey", you might add a space in-between each name. After doing all this, you should be able to read the list quite easily. If however you wanted to sort the list, you would be limited to spring just on the whole name starting with the first letter and ending with the last. This is because you have created a singled column of names. Therefore, it might have been better to add more spaces between first and last names in order to have a single column of first names and also a column of last names.
While data representation can be far more complex or advanced than this... For example, XML on the easier side, ASN.1 defined languages on the more complex, or even complex lists describing position, energy and time as would be common for data collected at the Large Hadron Collider, the point is that data is meaningless if there is no way to identify how it is stored in a meaningful way.
How many layouts are available for creating slides?
When you open a blank presentation in PowerPoint, the default layout called Title Slide (shown below) appears, but there are other standard layouts that you can apply and use
GW-BASIC (short for Gee-Whiz Beginner's All-purpose Symbolic Instruction Code) is a version of the BASIC programming language released by Microsoft in 1983 for the DOS operating system. GW-BASIC evolved from Microsoft BASIC-80, also known as MBASIC. The last version was released in 1988. GW-BASIC was superseded by QBASIC in 1991.
Note: please ask ONE question at a time.
What are some good passwords 3 - 32 characters?
Well lets say you have initials xyz and your date of birth is April 10th 1985 you could do X04Y10Z1985 - so a good mix of numbers and letters that you can easily remember.
What are d properties of finite state machine?
teri maa ki ...behn**** ye site kya apni maa ki ***** karne k liye bnai h
How many numbers are there between 200 and 300 in which 9 occurs only once?
18: 209-219-229-239-249-259-269-279-289 and 290-291-292-293-294-295-296-297-298 (but not 299)
What does it mean when your action replay says warning file for game is corrupt?
Means you screwed up your game. Congrats.
LIFO
It's used to make simple program using a compiler such as visual basics which is a windows program that makes .exe files. C was made so programmers could easily and quickly make programs, a compiler convert the C coding into binary and allows it to be opened with your specifix operating system.
What is double hashing in data structure?
if collision is occurred in hash function then we can solve this problem by using double hash function
What does high level of Ca19-9 indicate?
A high level of CA 19-9, a tumor marker, is often associated with pancreatic cancer, but it may also indicate other conditions such as bile duct obstruction, gallbladder cancer, or certain gastrointestinal disorders. Elevated CA 19-9 levels are not exclusively diagnostic, as they can also be found in non-cancerous conditions like pancreatitis or liver disease. Therefore, elevated CA 19-9 levels should be interpreted in conjunction with clinical findings and other diagnostic tests.
What is the difference between local and global memory allocation?
global memory it is decide outside of your scope and we can access it in all of your scope
What is the algorithm and flowchart to calculate the simple interest for 5 customers?
algorithms is language independent
They are used to model various situations where it is believed that some infinite "branching" effect best describes the geometry. For examples of how I have employed fractals as a theoretician, check out the "related links" included with this answer. I hope you like what you see.
Predefined codes or the predefined functions are the codes small or large codes which are predefined by the maker of the language. In C++ the predefined codes can be included in the program by the header files. These codes are placed in files and functions could be used to access them. Like a simple console Code to output "Hello World" uses a predefined code cout<<"Hello World"; so this cout is already defined how it prints the text or much more know function from C language print( ); .