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Performance difference for control structures 'for' and 'foreach' in C#
...the lists indexer is implemented. As it turns out the enumerator for types based on arrays are normally written something like this:
private static IEnumerable<T> MyEnum(List<T> list)
{
for (int i = 0; i < list.Count; i++)
{
yield return list[i];
}
}
So as you c...
Do sessions really violate RESTfulness?
...he client, a session cookie is exactly the same as any
other HTTP header based authentication mechanism, except that it uses
the Cookie header instead of the Authorization or some other
proprietary header.
By session cookies you store the client state on the server and so your request has a ...
Difference between a theta join, equijoin and natural join
...ers to an arbitrary condition used as the criterion for the join. (see Database Systems: The Complete Book by Garcia-Molina, Ullman, Widom, chapter 2, Theta Join)
– Ram Rajamony
Feb 4 '17 at 21:14
...
Difference between byte vs Byte data types in C# [duplicate]
...ias of System.Byte struct. Different .NET languages have different aliases based on the semantics of the particular language, but they all map to specific types in the .NET framework.
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improv...
Break out of a While…Wend loop
...on would be to set a flag variable as a Boolean and then change that value based on your criteria.
Dim count as Integer
Dim flag as Boolean
flag = True
While flag
count = count + 1
If count = 10 Then
'Set the flag to false '
flag = false
End If
Wend
...
ComboBox: Adding Text and Value to an Item (no Binding Source)
...
how do we get "SelectedValue" or select the item based on value... please reply
– Alpha Gabriel V. Timbol
May 22 '16 at 1:12
...
Usage of EnsureSuccessStatusCode and handling of HttpRequestException it throws
...c SimpleHttpResponseException(HttpStatusCode statusCode, string content) : base(content)
{
StatusCode = statusCode;
}
}
source code for Microsoft's EnsureSuccessStatusCode can be found here
Synchronous version based on SO link :
public static void EnsureSuccessStatusCode(this Htt...
Limit file format when using ?
...ge behavior further (according to my tests), it will add different filters based on what you specify, but a) it's not bundled, so it will list each extension as a separate option and b) it will always add some in-build extensions such as .html, and c) as already stated, it will always pre-select (*)...
Count, size, length…too many choices in Ruby?
...
There is a crucial difference for applications which make use of database connections.
When you are using many ORMs (ActiveRecord, DataMapper, etc.) the general understanding is that .size will generate a query that requests all of the items from the database ('select * from mytable') and the...
How to explain Katana and OWIN in simple words and uses?
...SP.NET Web API brand will be discontinued, however it's technology will be base for new ASP.NET MVC 6. Previous ASP.NET MVC versions were built by implementing IHttpHandler, an interface defined in System.Web. ASP.NET MVC 6 removes that dependency, making it portable to various platforms and web ser...