I know there is a way for writing a Java if statement in short form. if (city.getName() != null) { name = city.getName(); } else { name=”N/A”; } Does anyone know how to write the short form for the above 5 lines into one line? 15 Answers 15
The following code does work how I need it to, but it’s ugly, excessive or a number of other things. I’ve looked at formulas and attempted to write a few solutions, but I end up with a similar amount of statements. Is there a type of math formula that would benefit me in this instance … Read more
I’m trying to create a simple Bash script to check if the website is down and for some reason the “and” operator doesn’t work: #!/usr/bin/env bash WEBSITE=domain.com SUBJECT=”$WEBSITE DOWN!” EMAILID=”[email protected]” STATUS=$(curl -sI $WEBSITE | awk ‘/HTTP\/1.1/ { print $2 }’) STRING=$(curl -s $WEBSITE | grep -o “string_to_search”) VALUE=”string_to_search” if [ $STATUS -ne 200 ] && … Read more
Assuming I have this pseudo-code: bool conditionA = executeStepA(); if (conditionA){ bool conditionB = executeStepB(); if (conditionB){ bool conditionC = executeStepC(); if (conditionC){ … } } } executeThisFunctionInAnyCase(); Functions executeStepX should be executed if and only if the previous succeed. In any case, the executeThisFunctionInAnyCase function should be called at the end. I’m a newbie … Read more
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 1 year ago. Improve this question It’s been clearly put, although opinion none the less, that forgoing curly brackets on a single … Read more
How can I achieve an elseif in a JavaScript condition? 8 Answers 8
I want to output some HTML code based on some condition in a JSP file. if (condition 1) { Some HTML code specific for condition 1 } else if (condition 2) { Some HTML code specific for condition 2 } How can I do that? Should I use JSTL? 13 Answers 13
I have a foreach loop and an if statement. If a match is found i need to ultimately break out of the foreach. foreach ($equipxml as $equip) { $current_device = $equip->xpath(“name”); if ($current_device[0] == $device) { // Found a match in the file. $nodeid = $equip->id; <break out of if and foreach here> } } … Read more
I have something like this: extensionsToCheck = [‘.pdf’, ‘.doc’, ‘.xls’] for extension in extensionsToCheck: if extension in url_string: print(url_string) I am wondering what would be the more elegant way to do this in Python (without using the for loop)? I was thinking of something like this (like from C/C++), but it didn’t work: if (‘.pdf’ … Read more
I know how to use both for loops and if statements on separate lines, such as: >>> a = [2,3,4,5,6,7,8,9,0] … xyz = [0,12,4,6,242,7,9] … for x in xyz: … if x in a: … print(x) 0,4,6,7,9 And I know I can use a list comprehension to combine these when the statements are simple, such … Read more
