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Should I size a textarea with CSS width / height or HTML cols / rows attributes?
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I recommend to use both. Rows and cols are required and useful if the client does not support CSS. But as a designer I overwrite them to get exactly the size I wish.
The recommended way to do it is via an external stylesheet e.g.
textarea {
widt...
Listing only directories in UNIX
... doesn't have such option).
Also, can this be done with a single line command?
20 Answers
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Mean per group in a data.frame [duplicate]
I have a data.frame and I need to calculate the mean per group (i.e. per Month , below).
8 Answers
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How to pause a YouTube player when hiding the iframe?
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The easiest way to implement this behaviour is by calling the pauseVideo and playVideo methods, when necessary. Inspired by the result of my previous answer, I have written a pluginless function to achieve the desired behaviour.
The only adjustments:
I have added a function, toggleVideo
I have ...
Get loop counter/index using for…of syntax in JavaScript
I understand that the basic for…in syntax in JavaScript looks like this:
11 Answers
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Do fragments really need an empty constructor?
... constructor anyway. You should have a newInstance() static method defined and pass any parameters via arguments (bundle)
For example:
public static final MyFragment newInstance(int title, String message) {
MyFragment f = new MyFragment();
Bundle bdl = new Bundle(2);
bdl.putInt(EXTRA_T...
Count the items from a IEnumerable without iterating?
Let's say I want iterate on those and write something like processing #n of #m.
19 Answers
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Why does git revert complain about a missing -m option?
So I'm working on a project with other people, and there's multiple github forks being worked on. Someone just made a fix for a problem and I merged with his fork, but then I realized that I could find a better solution. I want to revert the commit I just made. I tried doing this with git revert HE...
What's the difference between @Secured and @PreAuthorize in spring security 3?
...can work with Spring Expression Language (SpEL). You can:
Access methods and properties of SecurityExpressionRoot.
Access method arguments (requires compilation with debug info or custom ParameterNameDiscoverer):
@PreAuthorize("#contact.name == principal.name")
public void doSomething(Contact con...
How to convert int[] to Integer[] in Java?
I'm new to Java and very confused.
13 Answers
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