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node and Error: EMFILE, too many open files
...test the number of files that were opened after doing various events in my app.
lsof -i -n -P | grep "8465" | wc -l
# lsof -i -n -P | grep "nodejs.*8465" | wc -l
28
# lsof -i -n -P | grep "nodejs.*8465" | wc -l
31
# lsof -i -n -P | grep "nodejs.*8465" | wc -l
34
What is your process limit?
ulimit ...
Parallel.ForEach vs Task.Run and Task.WhenAll
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My Parallel.ForEach construct was crashing my application. I was performing some heavy image processing inside it. However, when i added Task.Run(()=> Parallel.ForEach(....)); It stopped crashing. Can you explain why? Please note i constrain the parallel options to th...
Android studio, gradle and NDK
... bit of Groovy magic: tasks.withType(com.android.build.gradle.tasks.PackageApplication) { it.jniFolders = [file("libs")] as Set }. Thank you guys for help!
– trnl
Dec 30 '13 at 23:40
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How to reuse an ostringstream?
...lear out and reuse an ostringstream (and the underlying buffer) so that my app doesn't have to do as many allocations. How do I reset the object to its initial state?
...
Dispelling the UIImage imageNamed: FUD
...ageNamed in your code. Now, for posterity's sake:
The sister thread on the Apple Dev Forums received some better traffic. Specifically Rincewind added some authority.
There are issues in iPhone OS 2.x where the imageNamed: cache would not be cleared, even after a memory warning. At the same time +i...
Multiprocessing vs Threading Python [duplicate]
...t properly release the GIL will run in parallel
Great option for I/O-bound applications
Cons
cPython - subject to the GIL
Not interruptible/killable
If not following a command queue/message pump model (using the Queue module), then manual use of synchronization primitives become a necessity (dec...
IntelliJ and Tomcat…changed files are not automatically recognized by Tomcat
... Ultimate with Tomcat and deploy a war. Everything deploys fine to the webapp directory of tomcat.
6 Answers
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Does Swift have access modifiers?
...when specifying the public interface to a framework.
However, open access applies only to classes and class members, and it differs from public access as follows:
public classes and class members can only be subclassed and overridden within the defining module (target).
open classes and class mem...
UICollectionView inside a UITableViewCell — dynamic height?
One of our application screens requires us to place a UICollectionView inside of a UITableViewCell . This UICollectionView will have a dynamic number of items, resulting in a height which must be calculated dynamically as well. However, I am running into problems trying to calculate the heigh...
Getting the last element of a list
...stpones the inevitable "list index out of range" - and that's what should happen when attempting to get an element from an empty list. For Strings astr[-1:] could be a valid approach since it returns the same type as astr[-1], but I don't think the ':' helps to deal with empty lists (and the questio...