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What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
...t disabled implies readonly but readonly does not imply disabled. In other words if an element has the disabled attribute then there is no need to also include the readonly attribute. Correct?
– chharvey
Dec 6 '15 at 18:43
...
What is the global interpreter lock (GIL) in CPython?
...
Python doesn't allow multi-threading in the truest sense of the word. It has a multi-threading package but if you want to multi-thread to speed your code up, then it's usually not a good idea to use it. Python has a construct called the Global Interpreter Lock (GIL).
https://www.youtube...
What is JSONP, and why was it created?
... browser and this with bypassing the "same origin" restrictions.
In other words, you can achieve cross-domain data exchange.
Normally, XMLHttpRequest doesn't permit cross-domain data-exchange directly (one needs to go through a server in the same domain) whereas:
<script src="some_other_doma...
MIT vs GPL license [closed]
... A MIT licensed product (perhaps 'application' would be better word) cannot include GPL code. You can add GPL code into a MIT product, but the resulting application can only be distributed under the GPL licence. I've never before seen someone describe an application that can only be dist...
nginx upload client_max_body_size issue
...patch to fix this on the mailing list: nginx.2469901.n2.nabble.com/… No word whether it will be added to the 1.2.x stable branch, though.
– Joe Shaw
Nov 19 '12 at 18:14
...
Drawing an SVG file on a HTML5 canvas
...u can also use the new Path2D objects to draw SVG (string) paths. In other words, you can write:
var path = new Path2D('M 100,100 h 50 v 50 h 50');
ctx.stroke(path);
Live example of that here.
Old posterity answer:
There's nothing native that allows you to natively use SVG paths in canvas. You mus...
GridCtrl 控件FAQ - C/C++ - 清泛网 - 专注C/C++及内核技术
...、有焦点的行等等。
l 添加了LRESULT CGridCtrl::SendKeyMessage(WORD wVKey, UINT flags) const函数，用于向父窗口发送键盘消息，在父窗口中用ON_NOTIFY(WM_KEYDOWN, <id号>, <响应函数>) 即可接受。
l 扩展了SendMessageToParent函数，在向父窗口发送的...
What does new self(); mean in PHP?
...use problems.
That's why PHP 5.3 introduces a new usage for the static keyword : it can now be used exactly where we used self in those examples :
class MyParentClass {
public static function getInstance() {
return new static();
}
}
class MyChildClass extends MyParentClass {
}
$a...
HTML5 Canvas vs. SVG vs. div
... available in almost all browsers today and that is WebGL. To use the same words that Simon used above: It beats both Canvas and SVG hands down. This doesn't mean it should be the go-to technology, though, since it's a beast to work with and it is only faster in very specific use-cases.
IMHO for m...
Using varchar(MAX) vs TEXT on SQL Server
...s 6 years old, i was rather green to so when i wrote it. i cleaned up the wording to be more to the point.
– DForck42
Nov 3 '15 at 5:12
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