In Objective-C, I would like to know what the + and - signs next to a method definition mean. - (void)loadPluginsAtPath:(NSString*)pluginPath errors:(NSArray **)errors; 4 Answers 4
What is the best way to guard against null in a for loop in Java? This seems ugly : if (someList != null) { for (Object object : someList)...
I’ve noticed that Visual Studio 2008 is placing square brackets around column names in sql. Do the brackets offer any advantage? When I hand code T-SQL I’ve never bothered...
While I am installing Magento 2 on my Server, I got an error. After investigating the code and found that there is are three dots (...), which is producing...
This is an easy question but say I have an MxN matrix. All I want to do is extract specific columns and store them in another numpy array but...
In C, I did not notice any effect of the extern keyword used before function declaration. At first, I thought that when defining extern int f(); in a single...
Is there a way to write binary literals in C#, like prefixing hexadecimal with 0x? 0b doesn’t work. If not, what is an easy way to do it? Some...
I’ve been seeing this syntax on a few libraries now and I’m wondering what the benefit is. (note i’m well aware of closures and what the code is doing,...
What are differences between declaring a method in a base type “virtual” and then overriding it in a child type using the “override” keyword as opposed to simply using...
<?php $a=1; ?> <?=$a;?> What does <?= mean exactly? 8 Answers 8