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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
Simple question really; is there a difference between these values (and is there a difference between BOOL and bool)? A co-worker mentioned that they evaluate to different things in Objective-C, but when I looked at the typedefs in their respective .h files, YES/TRUE/true were all defined as 1 an...
Runtime vs. Compile time
What is the difference between run-time and compile-time?
28 Answers
28
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Sockets: Discover port availability using Java
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This is the implementation coming from the Apache camel project:
/**
* Checks to see if a specific port is available.
*
* @param port the port to check for availability
*/
public static boolean available(int port) {
if...
Java: Get first item from a collection
...ll an Iterator , take its first next() , then throw the Iterator away. Is there a less wasteful way to do it?
12 Answer...
Convert char to int in C and C++
..., you can write
char a = 'a';
int ia = (int)a;
/* note that the int cast is not necessary -- int ia = a would suffice */
to convert the character '0' -> 0, '1' -> 1, etc, you can write
char a = '4';
int ia = a - '0';
/* check here if ia is bounded by 0 and 9 */
Explanation:
a - '0' is e...
Java Interfaces/Implementation naming convention [duplicate]
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Name your Interface what it is. Truck. Not ITruck because it isn't an ITruck it is a Truck.
An Interface in Java is a Type. Then you have DumpTruck, TransferTruck, WreckerTruck, CementTruck, etc that implement Truck.
When you are using the Interface...
Is there something like RStudio for Python? [closed]
...ooks are awesome. Here's another, newer browser-based tool I've recently discovered: Rodeo. My impression is that it seems to better support an RStudio-like workflow.
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Is there a list of Pytz Timezones?
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You can list all the available timezones with pytz.all_timezones:
In [40]: import pytz
In [41]: pytz.all_timezones
Out[42]:
['Africa/Abidjan',
'Africa/Accra',
'Africa/Addis_Ababa',
...]
There is also pytz.common_timezones:
In ...
Difference between staticmethod and classmethod
What is the difference between a function decorated with @staticmethod and one decorated with @classmethod ?
27 Answers
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How to decide between MonoTouch and Objective-C? [closed]
...ono stack. However, since MonoTouch costs $400, I'm somewhat torn on if this is the way to go for iPhone development.
14 A...