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How to write a simple database engine [closed]
I am interested in learning how a database engine works (i.e. the internals of it). I know most of the basic data structures taught in CS (trees, hash tables, lists, etc.) as well as a pretty good understanding of compiler theory (and have implemented a very simple interpreter) but I don't understa...
Vim search and replace selected text
...ng.
" This is useful to copying strings from the file to the search tool
" Based on this - http://peterodding.com/code/vim/profile/autoload/xolox/escape.vim
function! EscapeString (string)
let string=a:string
" Escape regex characters
let string = escape(string, '^$.*\/~[]')
" Escape the lin...
Are single quotes allowed in HTML?
...
But HTML is based on SGML (it's XHTML which is based on XML) so quoting the XML spec isn't very useful…
– Donal Fellows
Mar 15 '12 at 11:06
...
Does PostgreSQL support “accent insensitive” collations?
...ver, it's possible to specify an "accent insensitive" collation (for a database, table or column), which means that it's possible for a query like
...
How to return a value from a Form in C#?
...S_CLOCK = 0, IS_STOCKS, IS_ACCOUNTS
}
//This particular event type is time based,
//but you can add others to it, such as document
//based.
public enum EVInterupts
{
CI_NEWDAY = 0, CI_NEWMONTH, CI_NEWYEAR, CI_PAYDAY, CI_STOCKPAYOUT,
CI_STOCKIN, DO_NEWEMAIL, DO_SAVETOARCHIVE
}
Then your own...
How to load up CSS files using Javascript?
...mple that uses plain JavaScript to inject a CSS link into the head element based on the filename portion of the URL:
<script type="text/javascript">
var file = location.pathname.split( "/" ).pop();
var link = document.createElement( "link" );
link.href = file.substr( 0, file.lastIndexOf( "."...
How do I improve ASP.NET MVC application performance?
...then use it to generate
your links, and try not to use the expression tree based ActionLink method.
Consider implementing a route resolution caching strategy
Put repetitive code inside your PartialViews, avoid render it xxxx times: if you
end up calling the same partial 300 times in the same view, ...
Creating a temporary directory in Windows?
...me exists and try to create other one if it really exists.
But this GUID-based implementation is sufficient. I have no experience with any problem in this case. Some MS applications uses GUID based temp directories too.
sh...
Prevent BODY from scrolling when a modal is opened
...
}
You could argue that the code above belongs to the Bootstrap CSS code base, but this is an easy fix to add it to your site.
Update 8th feb, 2013
This has now stopped working in Twitter Bootstrap v. 2.3.0 -- they no longer add the modal-open class to the body.
A workaround would be to add the ...
Can I use if (pointer) instead of if (pointer != NULL)?
... or conciseness isn't that much of an issue here.
Dynamic casts. Casting a base-class pointer to a particular derived-class one (something you should again try to avoid, but may at times find necessary) always succeeds, but results in a null pointer if the derived class doesn't match. One way to che...