Kirat[ad_1] It returns 5 on first iteration if you pass 4 to it. In general it returns n + 1 for any n > 1. Following the code path, it can be unrolled into product = 1 n > product // true, loop product *= n // so product is n product++ // end of … Read more
[ad_1] You can do it as follows: String section = “PRIMARY”; Optional.ofNullable(student) .map( i -> (i.getStandard() > 5) ? “SECONDARY” : section ) .orElse(section); [ad_2] solved How to simplify if statement using Optional.ofNullable() [closed]
[ad_1] In the future, provide some code to show what you have attempted. I have expanded on Fabix answer. The following code gets the Youtube link, song name, and artist for all 20 pages on the source website. from bs4 import BeautifulSoup import requests master_url=”https://www.last.fm/tag/rock/tracks?page={}” headers = { “User-Agent”: “Mozilla/5.0 (iPhone; CPU iPhone OS 5_1 … Read more
[ad_1] You have a ? quantifier for ( and ) in your regex, which matches your parentheses for zero or one times. Simply removing it will do the trick. var format = /^\(([0-9]{3})\)[ ]?([0-9]{3})[-]?([0-9]{4})$/; Have a test for it here 1 [ad_2] solved Regex for Phone Number validation in JavaScript [closed]
[ad_1] As in boolean algebra + is OR you can simplify it with: F = A*B*C*D + A*B*C*D + A*B*C*D + A*B*C*D (A v A) = A = A*B*C*D + A*B*C*D + A*B*C*D (A v A) = A = A*B*C*D + A*B*C*D (A v A) = A = A*B*C*D (A v A) = A F … Read more
[ad_1] Pointers-to-members are a special gadget in C++ that tell only tell you about a which member of a class you want without pertaining to any object. You need to combine a pointer-to-member with an object instance in order to obtain an actual member, whether it be a data or a function member. Think of … Read more
[ad_1] You should try %d instead of %o. Because %o will print octal integers and your expected answer is of base 10 (decimal). [ad_2] solved Why my program is skipping the digit 8 and 9? [duplicate]
[ad_1] you have several options, and i will list them right below, though i really recommend doing it by yourself if you have the time and resources, it will look better and fill much more natural than using a library (that usually just changes the mix-blend-mode in your css. darkmode.js – I believe that they … Read more
[ad_1] You must provide only 1 package within single folder. Consider to name package like the folder. In your case create folder “utils” and move your helper.go in there. Please, don’t forget to name public types, vars and funcs properly: start their names with uppercase symbol: Finally your project would look like this: Your helper.go … Read more
[ad_1] Using the structure recommended by Nick Cardoso but with many changes to meet my case, i managed to solve the problem. here it is: class A extends Service { ArrayList arrayList = new ArrayList(); MyApplication app; void foo(){ new Thread (new Runnable (){ @Override public void run() { app = (MyApplication)getApplication(); While(true){ //get elements … Read more
[ad_1] I believe it should just be a couple of small typos. First, your second line looks like it should be indented, and where you have links[“property”], it looks like you would want link[“property”]. for link in links: payload[f’Links[{link[“property”]}][url]’] = link[‘url’] The reason it is giving you that error is that you are trying to … Read more
[ad_1] You can ask the database to secure your table and column names, using quote_ident(), before you create the query you want to execute. You need something like this: <?php $table=”table name”; // unsafe $column = ‘column name’; // unsafe $result = pg_query_params($connection, ‘SELECT quote_ident(CAST($1 AS text)), quote_ident(CAST($2 AS text));’, array($table, $column) ); $table = … Read more
[ad_1] In R it is always preferable to avoid loops wherever possible, as they are usually much slower than alternative vectorized solutions. This operation can be done with a data.table join. Basically, when you run dt1[dt2]; you are performing a right-join between the two data.tables. The preset key columns of dt1 determine which columns to … Read more
[ad_1] This probably has to do with linting, Maybe this can help you no-unused-vars You can also disable linting on one line // eslint-disable-next-line no-unused-vars const [edit, setEdit] = useState({…}) [ad_2] solved Turnoff a certain warning in VSCode
[ad_1] Do you know about integer limits? A char value takes up 1 byte. A byte is usually 8 bits. To calculate the limit through the number of bits, the calculation is 2^n-1 meaning an integer with 8 bits has a range from 0 to 255 when unsigned. Since your variable is signed, it allocates … Read more