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How do I get the difference between two Dates in JavaScript?
...var newEnd = new Date(newBegin + oldEnd - oldBegin);
This should just work
EDIT: Fixed bug pointed by @bdukes
EDIT:
For an explanation of the behavior, oldBegin, oldEnd, and newBegin are Date instances. Calling operators + and - will trigger Javascript auto casting and will automatically call ...
What's the best method in ASP.NET to obtain the current domain?
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Same answer as MattMitchell's but with some modification.
This checks for the default port instead.
Edit: Updated syntax and using Request.Url.Authority as suggested
$"{Request.Url.Scheme}{System.Uri.SchemeDelimiter}{Request.Url.Authority}"
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Calling a static method on a generic type parameter
I was hoping to do something like this, but it appears to be illegal in C#:
8 Answers
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Rounding up to next power of 2
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Check the Bit Twiddling Hacks. You need to get the base 2 logarithm, then add 1 to that. Example for a 32-bit value:
Round up to the next highest power of 2
unsigned int v; // compute the next highest power of 2 of 32-bit v...
Use space as a delimiter with cut command
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RichieHindleRichieHindle
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Detect permission of camera in iOS
... developing a very simple video app. I use the official control: UIImagePickerController.
6 Answers
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Changing one character in a string
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Don't modify strings.
Work with them as lists; turn them into strings only when needed.
>>> s = list("Hello zorld")
>>> s
['H', 'e', 'l', 'l', 'o', ' ', 'z', 'o', 'r', 'l', 'd']
>>> s[6] = 'W'
>>> s
['H', 'e', 'l'...
A numeric string as array key in PHP
Is it possible to use a numeric string like "123" as a key in a PHP array, without it being converted to an integer?
11 A...
Dynamically select data frame columns using $ and a character value
...ariable from mtcars using a dynamic subset of cols , nether of these work
8 Answers
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Manual deployment vs. Amazon Elastic Beanstalk
What are the advantages we get by using Elastic Beanstalk over maually creating EC2 instance and setting up tomcat server and deploy etc for a typical java web applicaion. Are load balancing, Monitoring and autoscaling the only advantages?
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