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Best way to make Java's modulus behave like it should with negative numbers?
... of the negative values of a, since (a % b) is a negative value between -b and 0, (a % b + b) is necessarily lower than b and positive. The last modulo is there in case a was positive to begin with, since if a is positive (a % b + b) would become larger than b. Therefore, (a % b + b) % b turns it in...
How can I remove a flag in C?
There is a variable that holds some flags and I want to remove one of them. But I don't know how to remove it.
3 Answers
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Performance difference for control structures 'for' and 'foreach' in C#
...corlib]System.IDisposable::Dispose()
IL_002f: endfinally
} // end handler
IL_0030: ret
} // end of method Test::IterateOverList
The compiler treats arrays differently, converting a foreach loop basically to a for loop, but not List<T>. Here's the equivalent code for an array:
sta...
How do I measure request and response times at once using cURL?
... have a web service that receives data in JSON format, processes the data, and then returns the result to the requester.
14...
What is the difference between trie and radix trie data structures?
Are the trie and radix trie data structures the same thing?
3 Answers
3
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How to get current time with jQuery
...one in javascript is tricky (you have to calculate the offset between your and the desired time zone and modify the date accordingly). So as mentioned in another answer, using moment.js sounds like a good idea. momentjs.com
– Chris
May 4 '15 at 8:38
...
Check time difference in Javascript
...objects to get their difference:
// use a constant date (e.g. 2000-01-01) and the desired time to initialize two dates
var date1 = new Date(2000, 0, 1, 9, 0); // 9:00 AM
var date2 = new Date(2000, 0, 1, 17, 0); // 5:00 PM
// the following is to handle cases where the times are on the opposite si...
“x not in y” or “not x in y”
...
They always give the same result.
In fact, not 'ham' in 'spam and eggs' appears to be special cased to perform a single "not in" operation, rather than an "in" operation and then negating the result:
>>> import dis
>>> def notin():
'ham' not in 'spam and eggs'
&g...
Checking for NULL pointer in C/C++ [closed]
...ol NULL. They do not expose the opportunity for the accidental assignment. And they are clear and succinct.
Edit: As SoapBox points out in a comment, they are compatible with C++ classes such as auto_ptr that are objects that act as pointers and which provide a conversion to bool to enable exactly...
How can I pad a value with leading zeros?
...o readers!
As commenters have pointed out, this solution is "clever", and as
clever solutions often are, it's memory intensive and relatively
slow. If performance is a concern for you, don't use this solution!
Potentially outdated: ECMAScript 2017 includes String.prototype.padStart and...