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How do I erase an element from std::vector by index?
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Thank you to all who have answered. What are we to think of a class design when such a simple operation as deleting an element, requires one to come to StackOverflow?
– Pierre
Jan 28 '18 at 18:35
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How to assign name for a screen? [closed]
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A quick note on C-a : syntax.... "All screen commands are prefixed by an escape key, by default C-a (that's Control-a, sometimes written ^a). To send a literal C-a to the programs in screen, use C-a a. This is useful when working with screen within screen. Fo...
Will HTML5 allow web apps to make peer-to-peer HTTP connections?
...stead of intelligent guesses, here is an informed answer:
HTML 5 plans to allow peer to peer connections from javascript, but these connections WILL NOT BE RAW TCP.
The complete spec can be found at http://dev.w3.org/html5/websockets/
jrh
EDIT: with specific reference to peer to peer connections...
Which characters need to be escaped in HTML?
...t in your document in a location where text content is expected1, you typically only need to escape the same characters as you would in XML. Inside of an element, this just includes the entity escape ampersand & and the element delimiter less-than and greater-than signs < >:
& becomes...
How to determine the memory footprint (size) of a variable?
... This is what I've done on my Ubuntu server to enable it:
sudo apt-get install libjudy-dev libjudydebian1
sudo pecl install memprof
echo "extension=memprof.so" > /etc/php5/mods-available/memprof.ini
sudo php5enmod memprof
service apache2 restart
And then in my code:
<?php
memprof_enable();
//...
req.body empty on posts
All of a sudden this has been happening to all my projects.
22 Answers
22
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Detecting an “invalid date” Date instance in JavaScript
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Here's how I would do it:
if (Object.prototype.toString.call(d) === "[object Date]") {
// it is a date
if (isNaN(d.getTime())) { // d.valueOf() could also work
// date is not valid
} else {
// date is valid
}
} else {
// not a date
}
Update [2018-05-31]: If you...
Can I set the height of a div based on a percentage-based width? [duplicate]
... scale with the browser window on resize, move the code to a function and call it on the window resize event. Here's a demonstration of that too (view example full screen and resize browser window):
$(window).ready(updateHeight);
$(window).resize(updateHeight);
function updateHeight()
{
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Accessing localhost:port from Android emulator
...er.android.com/tools/devices/emulator.html
– Stuart Hallows
May 17 '14 at 7:04
23
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What's the best way to learn LISP? [closed]
...used what I learned about LISP, but it made me a much better programmer in all other languages.
– Robert K
Dec 29 '08 at 21:40
1
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