A linearly ordered set endowed with the order topology is compact if and only if it has no gap. However, I thought I would try to print it character-by-character inside each string, as follows: This code kind of works (prints each letter and then new line). It's better to avoid having numbers like 4 in the program. We develop trading and investment tools such as stock charts for Private Investors. Animated show where a slave boy tries to escape and is then told to find a robot fugitive. Can my aliens develop their medical science, in spite of their strict ethics? Trying to relate microphone sensitivity and SPL. Meaning of 'glass that's with canary lined'? Beyond Charts+ offers sophisticated Investors with advanced tools. The reason is that printf has to, at runtime, parse the format string, apply the arguments and then emit the results, while putchar only has to pass a character directly to the output. 468), Monitoring data quality with Bigeye(Ep. And in any case you are using this pointer to step over character by character, Using all of these suggestions, one possible rewrite might look like this: With a null sentinal the follwing is pretty simple: Sure you don't need the {} in the while loop but I prefer to put all block bodies in {}'s since there have been some well known problems when code like: I find this a bit easier to read, and it avoids both magic numbers and a NULL at the end of the array: Use printf("%c\n", *p++) if you want to print one character on a line, like your example did. How would you make it better? Thanks for contributing an answer to Code Review Stack Exchange! To learn more, see our tips on writing great answers. This allows you to focus on the securities you are interested in, so you can make informed decisions. 469). How much energy would it take to keep a floating city aloft? What is the rounding rule when the last digit is 5 in .NET? Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. A more proper approach would use this pointer, get a char* each time and use printf("%s", pNames[i]) to print a whole string. but I don't think the Hungarian notation like *pArr is great. Code Review Stack Exchange is a question and answer site for peer programmer code reviews. so "Arr" is hardly a good name. The printf function is very useful, but putchar is often better suited for single-character output. Announcing the Stacks Editor Beta release! The compiler will insert it automatically and make the main method return with 0 (= success). Why did the folks at Marvel Studios remove the character Death from the Infinity Saga? Or even just p. You should declare variables in the smallest scope where they are used. In C99 and above, the loop variable can be declared directly in the for statement. Of course all the standard technical analysis tools, indicators and charting functions are included in our FREE charting package, but we've gone Beyond Charts for those searching for more. Why is a 220 resistor for this LED suggested if Ohm's law seems to say much less is required? I'm using pNames to point to the first char pointer and iterating from there. So we created Beyond Charts to put you on the right path. For example *pos would be best declared inside the for loop. It's more idiomatic C to have a loop like this for the characters: There are two common ways to iterate through a list in C. One is as you already have it, when you know how many values are in the list. The last return statement is unnecessary. Don't get used to it, we normally review working code here. I would prefer either of these writing styles: The pNames variable is pointless. Make a tiny island robust to ecologic collapse. If you want to change things later, you may well be left wondering "why 4? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Printing the contents of a string array using pointers, San Francisco? Instead of the while loop, a for loop would be more natural. This helps the compiler help you find bugs early. @Michael it's your lucky day, fixed the bug for you, and adjusted the text accordingly. History of italicising variables and mathematical formatting in general, Transform characters of your choice into "Hello, world!". Why would an F-35 take off with air brakes behind the cockpit extended? This particular code isn't exactly performance-critical but it's useful to acquire good coding habits from the beginning. rev2022.8.2.42721. You could just use names. Making statements based on opinion; back them up with references or personal experience. This maybe a matter of taste, The best answers are voted up and rise to the top, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. What are the possible attributes of aluminum-based blood? Is it possible to return a rental car in a different country? The driver for all Investors is the continuous search for investment opportunities. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. MathJax reference. Asking for help, clarification, or responding to other answers. How Can Cooked Meat Still Have Protein Value? In practice, how explicitly can we describe a Galois representation? Uniquely for main, if the program gets to the end of the function, it automatically does the equivalent of return 0 at the end, so you can (and should) omit it. More like San Francis-go (Ep. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. For a list of names such as this program has, a rational choice for a sentinel value would be NULL. How is being used in ""? Whether youre interested in researching and testing your ideas, saving and recalling your favourite analysis or accessing tools and strategies from leading Industry Educators, Beyond Charts+ is modern, powerful and easy to use charting software for private investors. Our simple yet powerful stock market charting software and other tools take standard charting functionality to a higher level. Actually it would be more interesting to use argc and argv for something: It's better to use const where possible so that it's clear when you are intending to modify things and clear when you're not. Initializing and printing an array using pointers and dynamic allocation in C, Converting Integer to dynamically allocated Char array, digit by digit using pointers, 256-bit ASCII Color Encoded Hex Dump in C, Creating readline() function, reading from a file descriptor. Given that the code is really simple, I see mostly coding style issues with it. Why won't this electromagnet home experiment work? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Use MathJax to format equations. what does that mean?" Welcome to Beyond Charts. Where do you end up when you cast Dimension Door from an extradimensional space? I'm currently studying C and I'm trying to just print the contents of a string array. The other way is to use a "sentinel" value -- some unique value that tells the program "this is the end of the list." Is "wait" an exclamation in this context? Better would be to assign a constant with a meaningful name. I'd for go for pos instead.