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What are the main performance differences between varchar and nvarchar SQL Server data types?
I'm working on a database for a small web app at my school using SQL Server 2005 .
I see a couple of schools of thought on the issue of varchar vs nvarchar :
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What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
...ngth-Value principle.
Protocol Buffers (Google originated), Avro (Apache based, used in Hadoop), Thrift (Facebook originated, now Apache project) and ASN.1 (Telecom originated) all involve some level of code generation where you first express your data in a serializer-specific format, then the ser...
Creating a range of dates in Python
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Marginally better...
base = datetime.datetime.today()
date_list = [base - datetime.timedelta(days=x) for x in range(numdays)]
share
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improve t...
Why covariance and contravariance do not support value type
...is in fact a subtype of object (an alias of System.Object). In fact, int's base class is System.ValueType who's base class is System.Object. Try evaluating the following expression and see: typeof(int).BaseType.BaseType. The reason ReferenceEquals returns false here is that the int is boxed into two...
C# if/then directives for debug vs release
...uge fan of the #if stuff, especially if you spread it all around your code base as it will give you problems where Debug builds pass but Release builds fail if you're not careful.
So here's what I have come up with (inspired by #ifdef in C#):
public interface IDebuggingService
{
bool RunningIn...
JAXB creating context and marshallers cost
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great answer. I can be confident now based on your experience as lead on JAXB.
– Vladimir
Sep 13 '11 at 12:22
7
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Are HTML Image Maps still used?
...ratio, and then using javascript to overwrite the coordinates. The jquery based image size event handler is $(window).resize(function() { ....yourcode... });
– skidadon
Aug 11 '15 at 3:44
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Failed to load resource under Chrome
...or. The redirect request headers were all for this identical short line of base64-encoded data, and each returned no response, although the status was "Successful":
GET data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg== HTTP/1.1
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How to loop through a directory recursively to delete files with certain extensions
...ur filenames, then that won't work either. You're better off with an xargs based solution:
find /tmp \( -name '*.pdf' -or -name '*.doc' \) -print0 | xargs -0 rm
(The escaped brackets are required here to have the -print0 apply to both or clauses.)
GNU and *BSD find also has a -delete action, whi...
Are fluid websites worth making anymore? [closed]
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Text based apps: No. Table based apps: Yes.
Pros of fluid layouts
People with big monitors gets to use their screen real estate.
Easier for users with big monitors when you have a lot of information on your page.
Cons of flui...