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Is there a way for multiple processes to share a listening socket?
... into the event descriptor set
for that worker process.
The worker now relinquishes the mutex (which means that any events
that arrived on other workers can proceeed), and starts processing
each request that was earlier queued. Each request corresponds to an
event that was signa...
How do I remove an item from a stl vector with a certain value?
...ontainer_type::erase to do the REAL removal of the extra elements that are now at the end of the container:
std::vector<int> vec;
// .. put in some values ..
int int_to_remove = n;
vec.erase(std::remove(vec.begin(), vec.end(), int_to_remove), vec.end());
...
Function in JavaScript that can be called only once
... executed only once, in each time after the first it won't be executed. I know from C++ and Java about static variables that can do the work but I would like to know if there is a more elegant way to do this?
...
When to use ' (or quote) in Lisp?
...et (+ 3 2), + is then invoked on 3 and 2 yielding 5. Our original form is now (* 5 3) yielding 15.
Explain quote Already!
Alright. As seen above, all arguments to a function are evaluated, so if you would like to pass the symbol a and not its value, you don't want to evaluate it. Lisp symbols ca...
Using GPU from a docker container?
...s pre-installed. The dockerfile is available on dockerhub if you want to know how this image was built.
You'll want to customize this command to match your nvidia devices. Here's what worked for me:
$ sudo docker run -ti --device /dev/nvidia0:/dev/nvidia0 --device /dev/nvidiactl:/dev/nvidiactl ...
Best way to assert for numpy.array equality?
...iable.
update
A few versions ago numpy obtained assert_allclose which is now my favorite since it allows us to specify both absolute and relative error and doesn't require decimal rounding as the closeness criterion.
share...
Find running median from a stream of integers
... of minHeap)/2
Else
median = root of the heap with more elements
Now I will talk about the problem in general as promised in the beginning of the answer. Finding running median from a stream of data is a tough problem, and finding an exact solution with memory constraints efficiently is pr...
libxml/tree.h no such file or directory
....dylib. That adds the libxml2 library to your project.
2. Project settings
Now you have to tell your project where to look for it three more times.
Select the Build Settings tab.
Scroll down to the Linking section.
Under your projects columns double click on the Other Linker Flags row.
Click the + a...
How to detect shake event with android?
... {
if (sensor != SensorManager.SENSOR_ACCELEROMETER) return;
long now = System.currentTimeMillis();
if ((now - mLastForce) > SHAKE_TIMEOUT) {
mShakeCount = 0;
}
if ((now - mLastTime) > TIME_THRESHOLD) {
long diff = now - mLastTime;
float speed = Math.ab...
AngularJS and its use of Dollar Variables
Does anyone know if the reasoning behind the use of dollar methods and variables in angularJS is to instruct angularJS to avoid checking those values when a digestion is going on? So, if angular comes across $scope.$value and $scope.value , then it will avoid checking the former since it's prefix...