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Automatic counter in Ruby for each?
...index { |blah, index| something(blah, index) }
This is something you can do from ruby 1.8.7 and 1.9.
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In a javascript array, how do I get the last 5 elements, excluding the first element?
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You can call:
arr.slice(Math.max(arr.length - 5, 1))
If you don't want to exclude the first element, use
arr.slice(Math.max(arr.length - 5, 0))
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PHP global in functions
...cope to the global scope (statics, singletons, registries, constants). You do not want to use them. A function call should not have to rely on anything outside, e.g.
function fn()
{
global $foo; // never ever use that
$a = SOME_CONSTANT // do not use that
$b = Foo::S...
How do you get a list of the names of all files present in a directory in Node.js?
...ory using Node.js. I want output that is an array of filenames. How can I do this?
25 Answers
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Select elements by attribute
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Do you mean can you select them? If so, then yes:
$(":checkbox[myattr]")
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Understanding checked vs unchecked exceptions in Java
...be used at all. They were eliminated in C# for example, and most languages don't have them. So you can always throw a subclass of RuntimeException (unchecked exception)
However, I think checked exceptions are useful - they are used when you want to force the user of your API to think how to handle ...
How do I print bold text in Python?
How do I print bold text in Python?
12 Answers
12
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How do I disable right click on my web page?
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You can do that with JavaScript by adding an event listener for the "contextmenu" event and calling the preventDefault() method:
document.addEventListener('contextmenu', event => event.preventDefault());
That being said: DON'T ...
What is java interface equivalent in Ruby?
Can we expose interfaces in Ruby like we do in java and enforce the Ruby modules or classes to implement the methods defined by interface.
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Evenly space multiple views within a container view
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So my approach allows you to do this in interface builder. What you do is create 'spacer views' that you have set to match heights equally. Then add top and bottom constraints to the labels (see the screenshot).
More specifically, I have a top const...