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REST API Best practices: Where to put parameters? [closed]
...to return a 404 error when the parameter value does not correspond to an existing resource then I would tend towards a path segment parameter. e.g. /customer/232 where 232 is not a valid customer id.
If however you want to return an empty list then when the parameter is not found then I suggest usi...
Why is there no String.Empty in Java?
...and that every time I type the string literal "" , the same String object is referenced in the string pool.
11 Answers
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Sockets: Discover port availability using Java
...
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...
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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Polymorphism in C++
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Understanding of / requirements for polymorphism
To understand polymorphism - as the term is used in Computing Science - it helps to start from a simple test for and definition of it. Consider:
Type1 x;
Type2 y;
f(x);
f(y);
Here, f() is to perform ...
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?
...
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 ...
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...