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What are OLTP and OLAP. What is the difference between them?
...ased book/database (OLTP). The optional page at the beginning would be the index.
Another way to use our big sheet of paper is to make an accounting book. I'm no accountant, but let's imagine that we would have a page for "expenditures", "purchases"... That's nice because now we can query things li...
Proper use of errors
...g what the standard is for the use of Error s. For example, say I hand an index out of bounds exception in Java:
4 Answers...
How to extend an existing JavaScript array with another array, without creating a new array
...ee arguments to the function it calls - these are: (element_value, element_index, source_array). All of these will be pushed onto your first array for every iteration of forEach if you use "forEach(this.push, this)"!
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How to select only the first rows for each unique value of a column
... which is a counter that increments every time it sees the same CName, and indexes those occurrences by AddressLine. By imposing where row = 1, one can select the CName whose AddressLine comes first alphabetically. If the order by was desc, then it would pick the CName whose AddressLine comes last a...
Check if a table exists in Rails
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Thanks guys! I just used .index_exists?('kittens', 'paws')
– Trip
Oct 26 '12 at 15:34
14
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Merge two Git repositories without breaking file history
...es.
If you have paths that overlap, fix them up with
git filter-branch --index-filter
when you use log, ensure you "find copies harder" with
git log -CC
that way you will find any movements of files in the path.
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Custom numeric format string to always display the sign
...format strings in string.Format(); the format string is separated from the index with a colon (':')
var f = string.Format("{0}, Force sign {0:+#;-#;+0}, No sign for zero {0:+#;-#;0}", number);
For number { +1, -1, 0 } this gives:
1, Force sign +1, No sign for zero +1
-1, Force sign -1, ...
ASP.NET MVC - Set custom IIdentity or IPrincipal
...Ticket);
Response.Cookies.Add(faCookie);
return RedirectToAction("Index", "Home");
}
Global.asax.cs - Reading cookie and replacing HttpContext.User object, this is done by overriding PostAuthenticateRequest
protected void Application_PostAuthenticateRequest(Object sender, EventArgs e)
{
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PostgreSQL naming conventions
...ntions? (table names vs. camel case, sequences, primary keys, constraints, indexes, etc...)
2 Answers
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Setting git parent pointer to a different parent
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From what I understand (from git.wiki.kernel.org/index.php/GraftPoint), git replace has superseded git grafts (assuming you have git 1.6.5 or later).
– Alexander Bird
May 23 '11 at 12:55
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