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Macro vs Function in C
...ator though... overlooked that... But it might still be less readable.)
Order of Operations: (courtesy of @ouah)
#define min(a,b) (a < b ? a : b)
min(x & 0xFF, 42)
gets expanded to:
(x & 0xFF < 42 ? x & 0xFF : 42)
But & has lower precedence than <. So 0xFF < 42 ...
Concurrent HashSet in .NET Framework?
...
@Ralf Well, it's a set, not a list, as it's unordered.
– Servy
Sep 20 '13 at 18:18
11
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
...
If you want to maintain order:
arr = arr.reverse().filter(function (e, i, arr) {
return arr.indexOf(e, i+1) === -1;
}).reverse();
Since there's no built-in reverse indexof, I reverse the array, filter out duplicates, then re-reverse it.
The ...
Property getters and setters
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In order to override setter and getter for swift variables use the below given code
var temX : Int?
var x: Int?{
set(newX){
temX = newX
}
get{
return temX
}
}
We need to keep the value of va...
How to set the prototype of a JavaScript object that has already been instantiated?
...mutability means implementations must check for cyclic prototype chains in order to avoid ilooping. [constant checks for infinite recursion are required]
Finally, mutating __proto__ on an existing object may break non-generic methods in the new prototype object, which cannot possibly work on th...
How do I add a tool tip to a span element?
...article aided in my confusion : htmlgoodies.com/tutorials/html_401/article.php/3479661/… where it says that the tooltip works for the "text"
– Augiwan
Jan 23 '13 at 13:50
1
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How do I sort strings alphabetically while accounting for value when a string is numeric?
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Pass a custom comparer into OrderBy. Enumerable.OrderBy will let you specify any comparer you like.
This is one way to do that:
void Main()
{
string[] things = new string[] { "paul", "bob", "lauren", "007", "90", "101"};
foreach (var thing in...
How do I get a Cron like scheduler in Python? [closed]
..." way to do this because some other process would have to launch python in order to run your solution. Every platform will have one or twenty different ways to launch processes and monitor their progress. On unix platforms, cron is the old standard. On Mac OS X there is also launchd, which combin...
In Markdown, what is the best way to link to a fragment of a page, i.e. #some_id?
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With the PHP version of Markdown, you can also link headers to fragment identifiers within the page using a syntax like either of the following, as documented here
Header 1 {#header1}
========
## Header 2 ## {#header...
Best algorithm for detecting cycles in a directed graph [closed]
...s, I suspect that at some point you are going to sort them into a proposed order of execution.
If that's the case, then a topological sort implementation may in any case detect cycles. UNIX tsort certainly does. I think it is likely that it is therefore more efficient to detect cycles at the same t...