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What is the best way to paginate results in SQL Server
... original query. The cool thing here, especially for web apps, is that you don't have to keep any state, except the row numbers to be returned.
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DROP IF EXISTS VS DROP?
...BLE IF EXISTS table_name;
The first one will throw an error if the table doesn't exist, or if other database objects depend on it. Most often, the other database objects will be foreign key references, but there may be others, too. (Views, for example.) The second will not throw an error if the...
How to mount a host directory in a Docker container
I am trying to mount a host directory into a Docker container so that any updates done on the host is reflected into the Docker containers.
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Easy way to concatenate two byte arrays
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The most elegant way to do this is with a ByteArrayOutputStream.
byte a[];
byte b[];
ByteArrayOutputStream outputStream = new ByteArrayOutputStream( );
outputStream.write( a );
outputStream.write( b );
byte c[] = outputStream.toByteArray( );
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What is a sealed trait?
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it took me six months to randomly arrive here and understand how to replace Java Enum in Scala.
– sscarduzio
Oct 14 '14 at 14:58
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Gets byte array from a ByteBuffer in java
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Depends what you want to do.
If what you want is to retrieve the bytes that are remaining (between position and limit), then what you have will work. You could also just do:
ByteBuffer bb =..
byte[] b = new byte[bb.remaining()];
bb.get(b);
which is...
Add querystring parameters to link_to
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The API docs on link_to show some examples of adding querystrings to both named and oldstyle routes. Is this what you want?
link_to can also produce links with anchors or query strings:
link_to "Comment wall", profile_path(@profi...
Change private static final field using Java reflection
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Assuming no SecurityManager is preventing you from doing this, you can use setAccessible to get around private and resetting the modifier to get rid of final, and actually modify a private static final field.
Here's an example:
import java.lang.reflect.*;
public class Everyt...
$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
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Well, they don't do the same thing, really.
$_SERVER['REQUEST_METHOD'] contains the request method (surprise).
$_POST contains any post data.
It's possible for a POST request to contain no POST data.
I check the request method — I...
How to import classes defined in __init__.py
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I don't understand why that's circular. If settings.py needs Helper and say foo.someobject.py needs Helper, where do you suggest I define it?
– scottm
Feb 24 '09 at 19:50
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