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Node.js on multi-core machines
...ncluded the cluster module straight out of the box, which makes it easy to set up multiple node workers that can listen on a single port. Note that this is NOT the same as the older learnboost "cluster" module available through npm.
if (cluster.isMaster) {
// Fork workers.
for (var i = 0; i <...
Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
...ul way to speed up the algorithm.
If you are doing this for a very finite set of values, then you could create a lookup table. Performing the indexing might be more expensive, but if you can fit the entire table in cache, then you can remove all branching from the code, which should speed things u...
How can I check the extension of a file?
I'm working on a certain program where I need to do different things depending on the extension of the file. Could I just use this?
...
python numpy ValueError: operands could not be broadcast together with shapes
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Implementation difference between Aggregation and Composition in Java
...;
}
}
Aggregation
final class Car {
private Engine engine;
void setEngine(Engine engine) {
this.engine = engine;
}
void move() {
if (engine != null)
engine.work();
}
}
In the case of composition, the Engine is completely encapsulated by the Car. There is no way for ...
How does deriving work in Haskell?
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Waiting until two async blocks are executed before starting another block
... Do you notice that the time is not equal to the sleep time set in your block? why it would be like this?
– Damon Yuan
Aug 2 '15 at 12:56
2
...
How to implement a queue using two stacks?
Suppose we have two stacks and no other temporary variable.
20 Answers
20
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How to set Python's default version to 3.x on OS X?
...e basic default Python version is 2.7. I downloaded Python 3.3 and want to set it as default.
21 Answers
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也来说说ReactOS的调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...TCHAR* DeviceControlString)
{
DCB dcb;
DWORD ErrorCode;
memset(&dcb, 0, sizeof(DCB));
dcb.DCBlength = sizeof(dcb);
if (!BuildCommDCB(DeviceControlString, &dcb))
{
ErrorCode = GetLastError();
_tprintf(TEXT("BuildCommDCB() failed. GetLastError() = %lu.\n"), ErrorCode...