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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...t collation. The only single byte characters are the typical western ASCII set.
Because of this it is possible for an insert from a nvarchar(X) column to a varchar(X) column to fail with a truncation error (where X denotes a number that is the same in both instances).
SQL Server 2012 adds SC (Supp...
Which regular expression operator means 'Don't' match this character?
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Getting the last element of a list
...me_list[-len(some_list)], which gives you the first element.
You can also set list elements in this way. For instance:
>>> some_list = [1, 2, 3]
>>> some_list[-1] = 5 # Set the last element
>>> some_list[-2] = 3 # Set the second to last element
>>> some_list
[1,...
Find kth smallest element in a binary search tree in Optimum way
I need to find the kth smallest element in the binary search tree without using any static/global variable. How to achieve it efficiently?
The solution that I have in my mind is doing the operation in O(n), the worst case since I am planning to do an inorder traversal of the entire tree. But deep do...
Any way to limit border length?
...
The :after rocks :)
If you play a bit you can even set your resized border element to appear centered or to appear only if there is another element next to it (like in menus). Here is an example with a menu:
#menu > ul > li {
position: relative;
float: left;
...
Java multiline string
Coming from Perl, I sure am missing the "here-document" means of creating a multi-line string in source code:
42 Answers
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Analyze audio using Fast Fourier Transform
...or would be to experiment on loud and soft audio signals to find the right setting.
Finally, you should be averaging the two channels together if you want to show the frequency content of the entire audio signal as a whole. You are mixing the stereo audio into mono audio and showing the combined fr...
Trigger change() event when setting 's value with val() function
What is the easiest and best way to trigger change event when setting the value of select element.
5 Answers
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Faster way to develop and test print stylesheets (avoid print preview every time)?
...or Chrome >51:
https://developers.google.com/web/tools/chrome-devtools/settings?hl=en#emulate-print-media
To view a page in print preview mode, open the DevTools main menu, select More Tools > Rendering Settings, and then enable the emulate media checkbox with the dropdown menu set to pri...
What is an idiomatic way of representing enums in Go?
...d identifier iota represents successive untyped integer constants. It is reset to 0 whenever the reserved word const appears in the source and increments after each ConstSpec. It can be used to construct a set of related constants:
const ( // iota is reset to 0
c0 = iota // c0 == 0
...