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Detect when an HTML5 video finishes
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@AllanStepps From what I can gather, the if(!e) { e = window.event; } statement that this answer originally included is IE-specific code for getting the latest event from within an event handler attached with attachEvent on early versions...
detach all packages while working in R
... invisible(*) is not necessary but can be useful to prevent the NULL reply from vertically spamming the R window.
(edit: 9/20/2019) In version 3.6.1
It may be helpful to convert loaded only names(sessionInfo()$loadedOnly) to explicitly attached packages first, and then detach the packages, as so.
la...
Read-only list or unmodifiable list in .NET 4.0
From what I can tell, .NET 4.0 still lacks read-only lists. Why does the framework still lack this functionality? Isn't this one of the commonest pieces of functionality for domain-driven design ?
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Can we append to a {% block %} rather than overwrite?
... before they are included. This means that a template that includes blocks from another will contain blocks that have already been evaluated and rendered - not blocks that can be overridden by, for example, an extending template.
In that case I'd recommend using django-sekizai, wich allow you to do...
Python: Find in list
... match one of the items or maybe you are using a float value which suffers from inaccuracy.
As for your second question: There's actually several possible ways if "finding" things in lists.
Checking if something is inside
This is the use case you describe: Checking whether something is inside a l...
Where is array's length property defined?
...only a single new array. Subarrays are shared.
All the members inherited from class Object; the only method of Object that is not inherited is its clone method.
Resources:
JLS - Arrays
share
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How can I print the contents of a hash in Perl?
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Sorry, down vote from me for stuff that hijacks comments for actual functionality. A maintenance programmer could spend all day trying to work out why code like that was printing out unexpected stuff.
– MikeKulls
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What is a race condition?
...act. You have no real way of knowing.
In order to prevent race conditions from occurring, you would typically put a lock around the shared data to ensure only one thread can access the data at a time. This would mean something like this:
// Obtain lock for x
if (x == 5)
{
y = x * 2; // Now, not...
Does a view exist in ASP.NET MVC?
Is it possible to determine if a specific view name exists from within a controller before rendering the view?
7 Answers
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How do I output coloured text to a Linux terminal?
...ally the letter m. The numbers describe the colour and format to switch to from that point onwards.
The codes for foreground and background colours are:
foreground background
black 30 40
red 31 41
green 32 42
yellow 33 43
blue ...