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How to write a scalable Tcp/Ip based server
...testing with this code and on a dual core opteron 2Ghz was able to max out 100Mbps ethernet, and that added an encryption layer on top of this code.
– Kevin Nisbet
May 22 '09 at 3:04
...
Difference between Inheritance and Composition
...ying implements Flyable{
public void fly(){
Systemout.println("Flies 100 miles/sec");
}
}
Had it been for inheritance, we would have two different classes of birds which implement the fly function over and over again. So inheritance and composition are completely different.
...
How are the points in CSS specificity calculated
...ficty values for the abovementioned rules are:
#a 0,1,0,0 = 100
classes 0,0,15,0 = ... see the comments
this is a numbering system with a very large (undefined?) base.
My understanding is that because the base is very large, no number in column 4 can beat a number > 0 in...
Why do we use arrays instead of other data structures?
...time, regardless of the size of the array. This means that getting MyArray[1000] would take the same amount of time as getting MyArray[5].
An alternative data structure is a linked list. This is a linear list of pointers, each pointing to the next node
======== ======== ======== ======== ...
Run php script as daemon process
...
+100
You could start your php script from the command line (i.e. bash) by using
nohup php myscript.php &
the & puts your p...
What kinds of patterns could I enforce on the code to make it easier to translate to another program
... this a much bigger task for real languages than you expect. We have some 100 man-years invested in just DMS, and another 6-12 months in each "reliable" language definition (including the one we painfully built for PHP), much more for nasty languages such as C++. It will be a "hell of a learning e...
How to use Git for Unity3D source control?
...= #
# OS generated #
# ============ #
.DS_Store
.DS_Store?
._*
.Spotlight-V100
.Trashes
ehthumbs.db
Thumbs.db
Unity3D Settings
For versions of Unity 3D v4.3 and up:
(Skip this step in v4.5 and up) Enable External option in Unity → Preferences → Packages → Repository.
Open the Edit menu a...
Algorithm to detect corners of paper sheet in photo
...9_KCOS)
contours = filter(lambda cont: cv2.arcLength(cont, False) > 100, contours)
contours = filter(lambda cont: cv2.contourArea(cont) > 10000, contours)
# simplify contours down to polygons
rects = []
for cont in contours:
rect = cv2.approxPolyDP(cont, 40, True)....
How to add hyperlink in JLabel?
... frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(100, 400);
Container container = frame.getContentPane();
container.setLayout(new GridBagLayout());
JButton button = new JButton();
button.setText("<HTML>Click the <FONT color=\"#000099\"><U>l...
Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
...nge file mode.
permissions are a bit mask, for example, rwxrwx--- is 111111000 in binary, and it's very easy to group bits by 3 to convert to the octal, than calculate the decimal representation.
0644 (octal) is 0.110.100.100 in binary (i've added dots for readability), or, as you may calculate, 4...