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How can I listen to the form submit event in javascript?
...documentation on MDN.
To cancel the native submit event (prevent the form from being submitted), use .preventDefault() in your callback function,
document.querySelector("#myForm").addEventListener("submit", function(e){
if(!isValid){
e.preventDefault(); //stop form from submitting
...
Will code in a Finally statement fire if I return a value in a Try block?
...he method exits. Then the WriteLine in the Main method spits out the text from the return call.
– NotMe
Sep 4 '13 at 1:24
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How to merge dictionaries of dictionaries?
... makes the "reduce" easier to explain]
ps in python 3, you will also need from functools import reduce
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What is the best way to compare floats for almost-equality in Python?
...
Use Python's decimal module, which provides the Decimal class.
From the comments:
It is worth noting that if you're
doing math-heavy work and you don't
absolutely need the precision from
decimal, this can really bog things
down. Floats are way, way faster to
deal with, but ...
C# namespace alias - what's the point?
...ith extern aliases for using types with the same fully-qualified type name from different assemblies - rare, but useful to be supported.
Actually, I can see another use: when you want quick access to a type, but don't want to use a regular using because you can't import some conflicting extension...
How should I choose an authentication library for CodeIgniter? [closed]
... and simple to integrate with CodeIgniter
Supports sending emails directly from the library
Well documented online and good active dev/user community
Simple to implement into a project
Cons
More complex DB schema than some others
Documentation lacks detail in some areas
SimpleLoginSecure
Pros
...
Assert a function/method was not called using Mock
... @NathanArthur Hm, I don't think so, after sudo easy_install -U mock and from mock import Mock on MacOS, the above runs without a hitch. Never installed Django :)
– Joachim Isaksson
Nov 19 '14 at 16:11
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How do I resize an image using PIL and maintain its aspect ratio?
...ethod to do this: the method Image.thumbnail.
Below is an (edited) example from the PIL documentation.
import os, sys
import Image
size = 128, 128
for infile in sys.argv[1:]:
outfile = os.path.splitext(infile)[0] + ".thumbnail"
if infile != outfile:
try:
im = Image.ope...
vbscript output to console
...pts and Code Repository.
You can do this with the following and stay away from the cscript/wscript differences and allows you to get the same console output that a batch file would have. This can help if your calling VBS from a batch file and need to make it look seamless.
Set fso = CreateObject ...
What's the algorithm to calculate aspect ratio?
...ich shows one way to detect the screen size and calculate the aspect ratio from that. This works in FF3, I'm unsure what support other browsers have for screen.width and screen.height.
<html><body>
<script type="text/javascript">
function gcd (a, b) {
retur...