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HTTP header line break style
...arker for all protocol elements except the entity-body
RFC2616 was technically obsoleted by RFC7230, but it makes no drastic changes and again calls out CRLF as the delimiter in section 3, and that RFC references RFC5234, Appendix B.1 to define "CRLF" as %x0D %x0A.
However, recognizing that peopl...
Get first day of week in SQL Server
...re saying, how many weeks have passed since Monday, January 1, 1900? Let's call that [n]. Ok, now add [n] weeks to Monday, January 1, 1900. You should not be surprised that this ends up being a Monday. DATEADD has no idea that you want to add weeks but only until you get to a Sunday, it's just addin...
Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
...ve it saved instantly (much like the corresponding "create" method you can call on the collection)
How is rails smart enough? It's magic (or more accurately, I just don't know, would love to find out!)
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In Java, how do I parse XML as a String instead of a file?
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When you call getBytes(), what encoding are you expecting it to use? How are you telling to the XML parser which encoding it's getting? Do you expect it to guess? What happens when you are on a platform where the default encoding isn'...
Why is the standard session lifetime 24 minutes (1440 seconds)?
...HP3 days, PHP itself had no session support.
But an open-source library called PHPLIB, initially written by Boris Erdmann and Kristian Koehntopp from NetUSE AG, provided sessions via PHP3 code.
Session lifetimes were defined in minutes, not seconds. And the default lifetime was 1440 minutes, ...
“Templates can be used only with field access, property access, single-dimension array index, or sin
...mes in handy.
You could wrap up your Trainer model class in another class called TrainerViewModel that could work something like this:
class TrainerViewModel
{
private Trainer _trainer;
public string ShortDescription
{
get
{
return _trainer.Description.ToSt...
What are the underlying data structures used for Redis?
...mplemented using a C dynamic string library so that we don't pay (asymptotically speaking) for allocations in append operations. This way we have O(N) appends, for instance, instead of having quadratic behavior.
Lists are implemented with linked lists.
Sets and Hashes are implemented with hash table...
The cast to value type 'Int32' failed because the materialized value is null
...from u in context.User
join ch in context.CreditHistory on u.ID equals ch.UserID
where u.ID == userID
select (int?)ch.Amount).Sum() ?? 0;
This first casts to int? to tell the C# compiler that this expression can inde...
Counting the number of option tags in a select tag in jQuery
...
The W3C solution:
var len = document.getElementById("input1").length;
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Why would you use Oracle database? [closed]
...hen something goes wrong and you have a problem the answer is just a phone call away (and cash if course). Anyways MySQL and PostGre have several enterprise consulting services but in the end these consultants aren't really resposible for the product, because the product belongs to everyone. Which i...