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Javascript when to use prototypes
I'd like to understand when it is appropriate to use prototype methods in js. Should they always be used? Or are there cases where using them is not preferred and/or incurs a performance penalty?
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Are negative array indexes allowed in C?
I was just reading some code and found that the person was using arr[-2] to access the 2nd element before the arr , like so:
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How to align input forms in HTML
I'm new to HTML and I'm trying to learn how to use forms.
16 Answers
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Turning off auto indent when pasting text into vim
...ersome. That's why I map <F3> such that it can switch between paste and nopaste modes while editing the text! I add this to .vimrc
set pastetoggle=<F3>
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How to insert spaces/tabs in text using HTML/CSS
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To insert tab space between two words/sentences I usually use
  and  
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What are the primary differences between Haskell and F#? [closed]
I've searched on the Internet for comparisons between F# and Haskell but haven't found anything really definitive. What are the primary differences and why would I want to choose one over the other?
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How to avoid scientific notation for large numbers in JavaScript?
...umber.toFixed, but it uses scientific notation if the number is >= 1e21 and has a maximum precision of 20. Other than that, you can roll your own, but it will be messy.
function toFixed(x) {
if (Math.abs(x) < 1.0) {
var e = parseInt(x.toString().split('e-')[1]);
if (e) {
x *...
How to set OnClickListener on a RadioButton in Android?
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I'd think a better way is to use RadioGroup and set the listener on this to change and update the View accordingly (saves you having 2 or 3 or 4 etc listeners).
RadioGroup radioGroup = (RadioGroup) findViewById(R.id.yourRadioGroup);
radioGroup.setOnChe...
Import package.* vs import package.SpecificType [duplicate]
... primary reason for this is I just like to keep things straightward, clean and with as little ambiguity as possible, and I think with a .* import you lose that.
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Is it correct to use DIV inside FORM?
...de a <form> tag.
If you look at the default CSS 2.1 stylesheet, div and p are both in the display: block category. Then looking at the HTML 4.01 specification for the form element, they include not only <p> tags, but <table> tags, so of course <div> would meet the same crit...