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; … Read more
What is the best way to guard against null in a for loop in Java? This seems ugly : if (someList != null) … Read more
I’ve noticed that Visual Studio 2008 is placing square brackets around column names in sql. Do the brackets offer any advantage? When I … Read more
While I am installing Magento 2 on my Server, I got an error. After investigating the code and found that there is are … Read more
This is an easy question but say I have an MxN matrix. All I want to do is extract specific columns and store … Read more
In C, I did not notice any effect of the extern keyword used before function declaration. At first, I thought that when defining … Read more
Is there a way to write binary literals in C#, like prefixing hexadecimal with 0x? 0b doesn’t work. If not, what is an … Read more
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 … Read more
What are differences between declaring a method in a base type “virtual” and then overriding it in a child type using the “override” … Read more
<?php $a=1; ?> <?=$a;?> What does <?= mean exactly? 8 Answers 8