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What is the global interpreter lock (GIL) in CPython?
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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
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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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Java code To convert byte to Hexadecimal
... that is one component of that array.. The confusion arised because of the word "array". Now in the below code " byte bv = 10; String hexString = Integer.toHexString(bv); " CAse 1 (Byte Recieved : 68 Hex Output : : 44) Case : 2 (Byte Recieved : -46 Hex Output : : ffffff...