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How to create a JavaScript callback for knowing when an image is loaded?
...the load()-event in jQuery but it won't always fire if the image is loaded from the browser cache. This plugin https://github.com/peol/jquery.imgloaded/raw/master/ahpi.imgload.js can be used to remedy that problem.
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What does “Splats” mean in the CoffeeScript tutorial?
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The term "splat operator" comes from Ruby, where the * character (sometimes called the "splat"—see the Jargon File entry) is used to indicate that an entry in an argument list should "soak up" a list of arguments.
CoffeeScript adopted Ruby-style splats v...
Meaning of epsilon argument of assertEquals for double values
...s this? I've only ever seen delta, not epsilon - but that's a side issue!
From the JUnit javadoc:
delta - the maximum delta between expected and actual for which both
numbers are still considered equal.
It's probably overkill, but I typically use a really small number, e.g.
private static ...
What is the difference between Android margin start/end and right/left?
...exists above API 17. However, I can't see why your left/right would differ from start/end; I'm curious.
– Liggliluff
Feb 5 '17 at 14:19
2
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Application Crashes With “Internal Error In The .NET Runtime”
...p folder. There're some other crash dumps there, and we can find the dumps from the crashes days ago. Do you know why there's no crash dumps? The error message and exit code are exactly the same.
– Jeffrey Zhao
Jun 9 '15 at 3:33
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What is (functional) reactive programming?
...you want to get a feel for FRP, you could start with the old Fran tutorial from 1998, which has animated illustrations. For papers, start with Functional Reactive Animation and then follow up on links on the publications link on my home page and the FRP link on the Haskell wiki.
Personally, I like...
Google MAP API Uncaught TypeError: Cannot read property 'offsetWidth' of null
...(the pathological case of the div not being rendered)
Adding code sample from wf9a5m75's post to put everything in one place:
<script type="text/javascript">
function initialize() {
var latlng = new google.maps.LatLng(-34.397, 150.644);
var myOptions = {
zoom: 8,
ce...
How do I append one string to another in Python?
...for i in range(n):
s+=str(i)
used to be O(n^2), but now it is O(n).
From the source (bytesobject.c):
void
PyBytes_ConcatAndDel(register PyObject **pv, register PyObject *w)
{
PyBytes_Concat(pv, w);
Py_XDECREF(w);
}
/* The following function breaks the notion that strings are immuta...
NSLog an object's memory address in overridden description method
...decided is relevant to debugging in any superclasses you may be inheriting from.
– Tommy
Jun 2 '13 at 20:03
7
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what is the basic difference between stack and queue?
...al Model
Pancake Stack (LIFO)
The only way to add one and/or remove one is from the top.
Line Queue (FIFO)
When one arrives they arrive at the end of the queue and when one leaves they leave from the front of the queue.
Fun fact: the British refer to lines of people as a Queue
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