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How to perform runtime type checking in Dart?
...y to a casual reader, so the best description right now seems to be http://www.dartlang.org/articles/optional-types/.
Here's an example:
class Foo { }
main() {
var foo = new Foo();
if (foo is Foo) {
print("it's a foo!");
}
}
...
change cursor to finger pointer
...ets/imgs/theGoods.png');
below is the code:
.cursor{
cursor:url(http://www.icon100.com/up/3772/128/425-hand-pointer.png), auto;
}
So this will only work under the size 128 X 128, any bigger and the image wont load. But you can practically use any image you want! This would be consider pure css...
What is the difference between the kernel space and the user space?
...a bare metal setup that should be a good way to manipulate rings directly: https://github.com/cirosantilli/x86-bare-metal-examples
I didn't have the patience to make a userland example unfortunately, but I did go as far as paging setup, so userland should be feasible. I'd love to see a pull request...
Does C# have an equivalent to JavaScript's encodeURIComponent()?
...eDataString("Stack Overflow++")
-> "Stack%20Overflow%2B%2B"
For a x-www-form-urlencoded query name or value, in a POST content:
System.Net.WebUtility.UrlEncode("Stack Overflow++")
-> "Stack+Overflow%2B%2B"
sha...
How do I put a clear button inside my HTML text input box like the iPhone does?
...rsor: pointer;
}
#clear:hover {
background: #ccc;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="input-outer">
<input type="text">
<div id="clear">
X
</div>
</div>
https://jsf...
Node.js quick file server (static files over HTTP)
...Folder
http-server
Or, like this:
http-server D:\Folder
Check it out: https://github.com/nodeapps/http-server
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Is there a Mutex in Java?
...
See this page: http://www.oracle.com/technetwork/articles/javase/index-140767.html
It has a slightly different pattern which is (I think) what you are looking for:
try {
mutex.acquire();
try {
// do something
} finally {
mutex.rele...
Django: How do I add arbitrary html attributes to input fields on a form?
...
Sorry for advertisment, but I've recently released an app (https://github.com/kmike/django-widget-tweaks) that makes such tasks even less painful so designers can do that without touching python code:
{% load widget_tweaks %}
...
<div class="field">
{{ form.city|attr:"autoc...
How to debug a bash script? [closed]
...
This answer is valid and useful: https://stackoverflow.com/a/951352
But, I find that the "standard" script debugging methods are inefficient, unintuitive, and hard to use. For those used to sophisticated GUI debuggers that put everything at your fingertips...
presentViewController:animated:YES view will not appear until user taps again
...nimal demonstration project of the issue to verify the runloop hypothesis: https://github.com/tzahola/present-bug
I've also reported the bug to Apple.
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