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Time complexity of Sieve of Eratosthenes algorithm
...ause we need an array of n elements in any case?
– a_123
Mar 25 '16 at 21:35
...
Calling startActivity() from outside of an Activity?
... now is launching an activity with FLAG_ACTIVITY_NEW_TASK. As in the code posted by Cristian below.
– JehandadK
Mar 21 '12 at 5:18
...
Event system in Python
...ent()
>>> e()
>>> e.append(f)
>>> e(123)
f(123)
>>> e.remove(f)
>>> e()
>>> e += (f, g)
>>> e(10)
f(10)
g(10)
>>> del e[0]
>>> e(2)
g(2)
"""
def __call__(self...
What does multicore assembly language look like?
...upport for each thread to set up its own tables and messaging queues. The OS uses those to do the actual multi-threaded scheduling.
As far as the actual assembly is concerned, as Nicholas wrote, there's no difference between the assemblies for a single threaded or multi threaded application. Each ...
How the single threaded non blocking IO model works in Node.js
...
Node.js is built upon libuv, a cross-platform library that abstracts apis/syscalls for asynchronous (non-blocking) input/output provided by the supported OSes (Unix, OS X and Windows at least).
Asynchronous IO
In this programming model open/read/write oper...
What is the equivalent to a JavaScript setInterval/setTimeout in Android/Java?
...ce of code a little bit later on the same thread, I use this:
new android.os.Handler().postDelayed(
new Runnable() {
public void run() {
Log.i("tag", "This'll run 300 milliseconds later");
}
},
300);
.. this is pretty much equivalent to
setTimeout(
func...
Send file using POST from a Python script
Is there a way to send a file using POST from a Python script?
8 Answers
8
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Does every Javascript function have to return a value?
...s) to return void:
void noReturn()//return type void
{
printf("%d\n", 123);
return;//return nothing, can be left out, too
}
//in JS:
function noReturn()
{
console.log('123');//or evil document.write
return undefined;//<-- write it or not, the result is the same
return;//<...
The selected run destination is not valid for this action
...everal times. Basically, just set the Base SDK in Build Settings to Latest OS X and it should work properly.
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mmap() vs. reading blocks
...g to find the final word on mmap / read performance on Linux and I came across a nice post (link) on the Linux kernel mailing list. It's from 2000, so there have been many improvements to IO and virtual memory in the kernel since then, but it nicely explains the reason why mmap or read might be fas...