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Why is “while ( !feof (file) )” always wrong?
...n abstract, high-level perspective.
Concurrency and simultaneity
I/O operations interact with the environment. The environment is not part of your program, and not under your control. The environment truly exists "concurrently" with your program. As with all things concurrent, questions about the "c...
What is the difference between concurrent programming and parallel programming?
...amming), it's not necessarily going to be executed as such (parallel execution), since it depends on whether the machine can handle several threads.
Here's a visual example. Threads on a non-threaded machine:
-- -- --
/ \
>---- -- -- -- -- ---->>
Threads o...
What is the difference between print and puts?
... a special case for puts to handle arrays like that. Wondering what the rationale was... Is it just to be analogous to other languages?
– Dan Barron
Jul 10 '13 at 13:49
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NPM modules won't install globally without sudo
...
This looks like a much cleaner solution. If you don't like system-folders in your home directory, you could also use a location such as ~/.local/share/npm.
– JeroenHoek
May 1 '14 at 10:49
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Is it possible to change a UIButtons background color?
...rtzCore.h>
edit: to all new readers, you should also consider a few options added as "another possibility". for you consideration.
As this is an old answer, I strongly recommend reading comments for troubleshooting
shar...
Objective-C: Property / instance variable in category
...#import <objc/runtime.h>
static void *MyClassResultKey;
@implementation MyClass
- (NSString *)test {
NSString *result = objc_getAssociatedObject(self, &MyClassResultKey);
if (result == nil) {
// do a lot of stuff
result = ...;
objc_setAssociatedObject(self, &MyClassRe...
Constructors in Go
...sible default. (While this looks strange to most people coming from "traditional" oop it often works and is really convenient).
Provide a function func New() YourTyp or if you have several such types in your package functions func NewYourType1() YourType1 and so on.
Document if a zero value of you...
Positioning MKMapView to show multiple annotations at once
I've got several annotations I want to add to my MKMapView (it could 0-n items, where n is generally around 5). I can add the annotations fine, but I want to resize the map to fit all annotations onscreen at once, and I'm not sure how to do this.
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Android and XMPP: Currently available solutions [closed]
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Smack
Smack is a open-source XMPP client library. Since version 4.1 it runs natively on Android. For more information have a look at the "Smack 4.3 Readme" and see the Smack project page at Ignite Realtime.
sh...
MySQL IF NOT NULL, then display 1, else display 0
I'm working with a little display complication here. I'm sure there's an IF/ELSE capability I'm just overlooking.
7 Answer...