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How to write a scalable Tcp/Ip based server
...
//Queue the next accept, think this should be here, stop attacks based on killing the waiting listeners
_serverSocket.BeginAccept(new AsyncCallback(acceptCallback), _serverSocket);
}
catch (Exception e)
{
if (conn.socket != null)
{
...
Is there a benefit to defining a class inside another class in Python?
...It is just a way of collecting some variables - the name of the class, the bases, a little dictionary of attributes, and a metaclass.
The name, the dictionary and the bases are all passed to the function that is the metaclass, and then it is assigned to the variable 'name' in the scope where the cl...
Change branch base
...
Use --onto for that:
git rebase --onto newBase oldBase feature/branch
Given your case:
git checkout PRO # Just to be clear which branch to be on.
git rebase --onto master demo PRO
Basically, you take all the commits from after demo up to PRO, and ...
How to get the first column of a pandas DataFrame as a Series?
... [7]: df.iloc[:,0]
Out[7]:
0 1
1 2
2 3
3 4
Name: x, dtype: int64
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Checking if a string can be converted to float in Python
...f you cared about performance (and I'm not suggesting you should), the try-based approach is the clear winner (compared with your partition-based approach or the regexp approach), as long as you don't expect a lot of invalid strings, in which case it's potentially slower (presumably due to the cost ...
Python (and Python C API): __new__ versus __init__
...xample that would hopefully make the difference clear:
a = Shape(sides=3, base=2, height=12)
b = Shape(sides=4, length=2)
print(a.area())
print(b.area())
# I want `a` and `b` to be an instances of either of 'Square' or 'Triangle'
# depending on number of sides and also the `.area()` method to do t...
How do I vertically align something inside a span tag?
...d text on its right side which works in a responsive web application. As a base I use the approach suggested by Eric Nickus and Felipe Tadeo.
If you want to achieve:
and this:
.container {
background: url( "https://i.imgur.com/tAlPtC4.jpg" ) no-repeat;
display: inline-block;
...
How do I detect a click outside an element?
...query/jquery/blob/master/src/css/hiddenVisibleSelectors.js
NOTE:
This is based on Alex comment to just use !element.contains(event.target) instead of the jQuery part.
But element.closest() is now also available in all major browsers (the W3C version differs a bit from the jQuery one).
Polyfills ca...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...图像】TaifunImage 拓展：图片压缩剪裁处理
【图像】SimpleBase64 拓展：图像Base64编解码传输
【图像】KIO4_Base64 拓展：更强大的图像Base64编解码工具，解码后的图像可写入到文件
【图像】KIO4_AnimatedGif：Gif 动画扩展，可点击，可...
Count rows with not empty value
...e cases as =A1<>"" seems to arrive at the correct truthy/falsy value based on how we intuitively think of blank cells, either virgin blanks or created blanks.
So imagine we have this data and we want the Count of non-blanks in B2:B6:
| | A | B | C |
|---|-------------...