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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...16) | (x << 16));
}
From the famous Bit Twiddling Hacks page:
Fastest (lookup table):
static const unsigned char BitReverseTable256[] =
{
0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0...
What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
...es pretty much all of their work using Protocol Buffers, so it is a battle-tested, battle-hardened protocol (albeit not as battle-hardened as ASN.1 is. It has much better documentation than does Thrift, but, being a Google product, it is highly likely to be unstable (in the sense of ever-changing, ...
Which is faster: Stack allocation or Heap allocation
...stion any further.
The optimizer has a mission to get rid of the code I'm testing. I don't see any reason to tell the optimizer to run and then try to fool the optimizer into not actually optimizing. But if I saw value in doing that, I would do one or more of the following:
Add a data member to...
Differences between socket.io and websockets
...
Network traffic
To see the difference in network traffic you can run my test. Here are the results that I got:
WebSocket Results
2 requests, 1.50 KB, 0.05 s
From those 2 requests:
HTML page itself
connection upgrade to WebSocket
(The connection upgrade request is visible on the developer t...
Common programming mistakes for Clojure developers to avoid [closed]
...ain/
| | |-- java/
| | |-- clojure/
| | |-- resources/
| |-- test/
...
which is more complex than the "standard" Clojure structure of:
|-- src/
|-- test/
|-- resources/
which is the default of Leiningen projects and Clojure itself.
Maps utilize Java's equals() rather than Cloju...
How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
...
That IP is the one to use. You just cannot test in the browser with an IP-address, because Heroku needs to know the name of the app you are trying to use. Just set up the A record in DNS and test with than, and Heroku will see the name you are using and all should be ...
Why is it necessary to set the prototype constructor?
...son.call(this);
this.favoriteColor = 'blue';
}
and at the end of the test code...
alert(student1.favoriteColor);
The color will be blue.
A change to the prototype.constructor, in my experience, doesn't do much unless you're doing very specific, very complicated things that probably aren't ...
How to set a Default Route (To an Area) in MVC
...)
{
continue;
}
string testPath = string.Format(CultureInfo.InvariantCulture,
locations[i], name, controllerName, areaName);
if (FileExists(controllerContext, testPath))
{
searchedLocations = ...
Design Patterns web based applications [closed]
...that framework does very well. Fortunately, there are many available, time-tested candidates ( in the alphabetical order ): Apache Wicket, Java Server Faces, Spring to name a few.
share
|
improve th...
What are MVP and MVC and what is the difference?
...to it through an interface. This is to allow mocking of the View in a unit test. One common attribute of MVP is that there has to be a lot of two-way dispatching. For example, when someone clicks the "Save" button, the event handler delegates to the Presenter's "OnSave" method. Once the save is comp...