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What are the main performance differences between varchar and nvarchar SQL Server data types?
...te languages and you only have single-byte support in your database schema it's really expensive to go back and modify throughout your application.
The cost of migrating one application from varchar to nvarchar will be much more than the little bit of extra disk space you'll use in most applicati...
ASP MVC in IIS 7 results in: HTTP Error 403.14 - Forbidden
...e above mentioned error message whenever I try to type the URL of the web site. (Note: development machine: Vista Home Premium, IIS7)
...
Testing service in Angular returns module is not defined
I am trying to run the default service unit test in my project (Taken from the Angular Seed project on GitHub), but I keep getting the error "module is not defined".
...
All but last element of Ruby array
...r
a.first 3
or
a.pop
which will return the last and leave the array with everything before it
or make the computer work for its dinner:
a.reverse.drop(1).reverse
or
class Array
def clip n=1
take size - n
end
end
a # => [1, 2, 3, 4]
a.clip # => [1, 2, 3]
a = a + ...
Difference between wait() and sleep()
What is the difference between a wait() and sleep() in Threads?
33 Answers
33
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When should one use HTML entities?
This has been confusing me for some time. With the advent of UTF-8 as the de-facto standard in web development I'm not sure in which situations I'm supposed to use the HTML entities and for which ones should I just use the UTF-8 character. For example,
...
Controlling the screenshot in the iOS 7 multitasking switcher
I've been trying to find some information regarding the new multitasking switcher in iOS 7 and especially the screenshot that the OS takes when the app is going into hibernation.
...
Filename too long in Git for Windows
I'm using Git-1.9.0-preview20140217 for Windows. As I know, this release should fix the issue with too long filenames. But not for me.
...
Circle line-segment collision detection algorithm?
I have a line from A to B and a circle positioned at C with the radius R.
27 Answers
...
Difference between binary semaphore and mutex
...cture, file, etc..).
A Mutex semaphore is "owned" by the task that takes it. If Task B attempts to semGive a mutex currently held by Task A, Task B's call will return an error and fail.
Mutexes always use the following sequence:
- SemTake
- Critical Section
- SemGive
Here is a simple ...