Does Objective-C evaluate every statement on an if... else if... block or does it evaluate each as it comes to them and then skip the remaining evaluations if a true condition has been found? This is more of a pragmatic question related to performance than anything else. And yes I do know that the content of the if block itself isn't e...
Is it possible to: for k,v in kwargs.items() if v == None or v == '' or v == 1.0 or v == False: del kwargs[k] without deleting the key if v == 0.0? (False seems to equal 0.0), and without deleting the keys who equal True. ...
I have an array of objects that I want to compare to a target object. I want to return the number of objects that exactly match the target object. Here is my count method: public int countMatchingGhosts(Ghost target) { int count=0; for (int i=0;i<ghosts.length;i++){ if (ghosts[i].equals(target)); ...
OK, so I'm trying a to use a cool image loader/gallery I found here called ShineTime. I want to adopt it to resemble a product viewer on my homepage where you can view the blank space I have reserved for it. Now, since I need to adapt it to be a product viewer, I would like to have links to products or services I'm previewing. I have ...
There is a way with the IF command to include a variable in a set of values? What I mean is: IF %%i in (abc 123 opl) echo first set IF %%i in (xyz 456 bnm) echo second set ...
I know this is going to not be the same across all languages, but it's something I've wondered for awhile. Since the title isn't very clear, is there a technical difference between if (...) { // ... } else if (...) { // ... } and if (...) { ... } else { if (...) { ... } } I know from a practical perspecti...
Possible Duplicate: PHP make if shorter I have an if statement that looks like this: if($variable == "one" || $variable == "two" || $variable == "three" || $variable == "four"){ // do something } else { // do something else } the problem is that its getting quite hefty.. its going to be about 20 or 30 different opti...
Take for example the following two statements: if (booleanVariable) { doSomething(); return true; } else { return false; } and if (booleanVariable) { doSomething(); return true; } return false; Which one would be preferred? They both return the same result in the end. Any reason one would be better to use than the ot...
I have enum say ErrorCodes that public enum ErrorCodes { INVALID_LOGIN(100), INVALID_PASSWORD(101), SESSION_EXPIRED(102) ...; private int errorCode; private ErrorCodes(int error){ this.errorCode = error; } //setter and getter and other codes } now I check my exception error...
I am fairly new to coding in php and have come accross a bit of a problem which I think is very simple. I am trying to capture the IP address of anybody that visits my website and stores that in my database. The code is as follows, I am not even sure the code will work but I do get the following error Parse error: syntax error, unexpecte...
I have having some trouble printing a "char" from an ASCII value stored in an array. The goal overall is to read a string of input from the user, store that in an array. Then use another array to count the number of times each character appears in the string, storing the number of occurances in the array address that matches the ASCII c...
First off I apologize for not elaborating and clarifying the question first, so I will do that right now. I am currently trying to complete a a lab exercise (topic is on earthquakes) that requires UML class diagram and pseudocode. one of the method required is named the determineclassification() so for the pseudocode it is required th...
PHP Question: Hi there, this is just something I was wondering today, what I'm doing: I have (or not) a variable $_GET['myvar'] coming from my querystring and I want to check if this variable exists and also if the value corresponds to something inside my if statment: What I'm doing and think is not the best way to do: if(isset($_GET...
I want to use the if statement to select specific pages that have <body class="section-category"> and output custom content for only those pages. My PHP is not very good and I hope this is a very simple task to do. Can anyone give me a tip? ...
I recently profiled some code using JVisualVM, and found that one particular method was taking up a lot of execution time, both from being called often and from having a slow execution time. The method is made up of a large block of if statements, like so: (in the actual method there are about 30 of these) EcState c = candidate; ...
Hello, I am trying to learn Python lists. In this code I am trying to add a string s coming from a form to table row as long as the string is the same. When the string is different; the new string is written to the next column. I could write the string from column 0 to column 1 but I had problems adding the same string on column 1 corr...
when i click on #button, it's stilling doing the 'do something', even though .wrapper is animating and .wrapper span is not visible. so it's not following the rules. what's wrong? $('#button').click(function(){ if( $('.wrapper').not(':animated') && $('.wrapper span').is(':visible') ) { //do something } }) ...
if(metres >= 0) return true; else return false; Can I do this with a single calculation? (ignoring the ternary operator) ...
I'm making a restaurant menu using custom post types for the different menu sections. I used the excellent Custom Post Types UI plugin and the Verve Meta Boxes plugin. I'm then flowing them out into separate loops with several segments of the below code: <?php $hotfood = get_posts( array('post_type' => 'hotfood', 'posts_per_page...
[Edit by Author - 10/27/2010 @ 08:49 AM CST ] HTML <!-- Contents of div #1 --> <form id="6hgj3y537y2biacb"> <label for="product_calendar" class="entry_label">Calendar</label> <input type="text" name="product_calendar" class="entry" value="" /> </form> <form id="pyc2w1fs47mbojez"> <label for="product_calendar" class="entry_l...