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Understanding dispatch_async
... executing tasks such as background downloading, compression, computation, etc.
Note that the order of execution is FIFO on a per-queue basis. So if you send 1000 dispatch_async() tasks to the four different concurrent queues, evenly splitting them and sending them to BACKGROUND, LOW, DEFAULT and H...
Why is the Java main method static?
...when we have to bridge the virtual machine world, and the world of C, C++, etc... The reverse is also true - it is not possible (at least to my knowledge) to actually get a JVM running without using JNI.
Basically, java.exe is a super simple C application that parses the command line, creates a n...
Evenly space multiple views within a container view
...orts ratio multipliers, so you can put in things like "1:4", "2:5", "3:4", etc.
– Benjohn
Dec 5 '14 at 21:47
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How to check if an object is a certain type
...s makes them easy to distinguish at a glance from classes, types, methods, etc.
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Running shell command and capturing the output
...assing the output from each as an input to the next, via
run(cmd, [stdout=etc...], input=other_output)
Or
Popen(cmd, [stdout=etc...]).communicate(other_output)
The temptation to directly connect pipes is strong; resist it. Otherwise, you'll likely see deadlocks or have to do hacky things like ...
Relatively position an element without it taking up space in document flow
...t flow at all. You can then position it using one of the "left", "bottom", etc, properties. The relative positioning on the parent shouldn't usually affect it because it will be positioned at its original position by default if you don't specify "left", "bottom", etc.
http://css-tricks.com/absolute...
What is the difference between a field and a property?
...e can put logic in the Property also allows us to perform validation logic etc if we need it.
C# 3 has the possibly confusing notion of autoproperties. This allows us to simply define the Property and the C#3 compiler will generate the private field for us.
public class Person
{
private string _...
What is the advantage of using Restangular over ngResource?
...ted by PUT (like the id, or a slug which is generated by setting the title etc). I found this to be straightforward with Restangular while i haven't figured out how to do it with $resource in a clean way, but i am sure its possible somehow.
Obviously one could also change the webservice to just ign...
In C#, can a class inherit from another class and an interface?
... I want to do this is because at my company we make USB, serial, Ethernet, etc device. I am trying to develop a generic component/interface that I can use to write programs for all our devices that will help keep the common things (like connecting, disconnecting, getting firmware) the same for all o...
When is TCP option SO_LINGER (0) required?
...nt of your server application misbehaves (times out, returns invalid data, etc.) an abortive close makes sense to avoid being stuck in CLOSE_WAIT or ending up in the TIME_WAIT state.
If you must restart your server application which currently has thousands of client connections you might consider se...