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Why doesn't JavaScript have a last method? [closed]
... does not offer a last method to retrieve the last element of an array. I know the solution is simple (Ar[Ar.length-1] ), but, still, this is too frequently used.
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Get local IP address in node.js
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os.networkInterfaces as of right now doesn't work on windows. Running programs to parse the results seems a bit iffy. Here's what I use.
require('dns').lookup(require('os').hostname(), function (err, add, fam) {
console.log('addr: '+add);
})
This should...
How to calculate moving average using NumPy?
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Thanks for the bug checking, it now seems to be working fine. As for the upvotes, I am guessing the general idea behind the answer was weighed more heavily than an off-by-one error in the implementation, but who knows.
– Jaime
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Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
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One reason is that up to now every assignment operator (i.e. an operator which changes a variable) has a = in it. If you add ++ and --, that's no longer the case.
Another reason is that the behavior of ++ and -- often confuse people. Case in point: ...
How do I cancel form submission in submit button onclick event?
...ut type="submit" value="login" id="login-btn"/>
</form>
You can now catch get that event before the form postback and stop it from postback and do all the ajax you want using this jquery.
$(document).ready(function () {
$("#login-btn").click(function (event) {
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How to change a TextView's style at runtime
... work when I change NORMAL -> BOLD but not BOLD -> NORMAL. I didn't know the first parameter could be null! Now it works fine for me!
– Felipe
Dec 2 '12 at 1:39
add a co...
Changing an element's ID with jQuery
... arrived here double checking id reassignment - should this now be .prop( ... ) instead of .attr( ... )?
– Carl
Jan 23 '12 at 18:21
2
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How can I view array structure in JavaScript with alert()?
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EDIT: Firefox and Google Chrome now have a built-in JSON object, so you can just say alert(JSON.stringify(myArray)) without needing to use a jQuery plugin. This is not part of the Javascript language spec, so you shouldn't rely on the JSON object being pre...
How can I fill out a Python string with spaces?
I want to fill out a string with spaces. I know that the following works for zero's:
13 Answers
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scale Image in an UIButton to AspectFit?
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This can now be done through IB's UIButton properties. The key is to set your image as a the background, otherwise it won't work.
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