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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
...o a client. But streaming HTTP is just like regular HTTP except you don't stop sending data. If a web server serves an image, it sends HTTP to the client that eventually ends: you've sent the whole image. And if you want to send data, it's exactly the same, but the server just sends for a really lon...
What is the purpose of the reader monad?
...o convert between currencies on the fly. Your first attempt is to define a top level function
type CurrencyDict = Map CurrencyName Dollars
currencyDict :: CurrencyDict
to get spot prices. You can then call this dictionary in your code....but wait! That won't work! The currency dictionary is im...
MVC (Laravel) where to add logic
... repository pattern.
In addition to above, please don't slap a pattern on top of a superb ORM like Eloquent. You're just adding complexity that isn't required and it won't benefit you at all.
Utilize Services sparingly:
Service classes to me, are just a place to store business logic to perform a s...
Proper use of the IDisposable interface
...o I don't try to call Dispose on a junk object reference. But that didn't stop a subtle bug from creeping in.
When the user calls Dispose(): the handle CursorFileBitmapIconServiceHandle is destroyed. Later when the garbage collector runs, it will try to destroy the same handle again.
protected voi...
Export database schema into SQL file
...@TableName
ORDER BY c.TABLE_NAME, c.ORDINAL_POSITION
*/
SELECT TOP 1 @TableSchema = TableOwner FROM @ShowFields
INSERT INTO @HoldingArea (Flds) VALUES('(')
INSERT INTO @Definition(FieldValue)VALUES('CREATE TABLE ' + CASE WHEN @NewTableName IS NOT NULL THEN @DBName + '.' + @NewT...
Are the decimal places in a CSS width respected?
...box model.
This can best be seen when elements are stacked next to (or on top of) each other; in other words, if I were to place 400 0.5 pixel divs side by side, they would have the same width as a single 200 pixel div. If they all actually rounded up to 1px (as looking at individual elements woul...
How to make an OpenGL rendering context with transparent background?
...he Color To Red
glVertex3f( 0.0f, 1.0f, 0.0f); // Top
glColor3f(0.0f,1.0f,0.0f); // Set The Color To Green
glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left
glColor3f(0.0f,0.0f,1.0f); // Set The C...
Can you add new statements to Python's syntax?
... 0 (num)
21 CALL_FUNCTION 1
24 POP_TOP
6 25 LOAD_FAST 0 (num)
28 LOAD_CONST 2 (1)
31 INPLACE_SUBTRACT
32 STORE_FAST 0 (num)
35 JUMP_ABSOLUTE 3
>...
Using git repository as a database backend
...
I implemented a Ruby library on top of libgit2 which makes this pretty easy to implement and explore. There are some obvious limitations, but it's also a pretty liberating system since you get the full git toolchain.
The documentation includes some ideas a...
Bytecode features not available in the Java language
...sses can declare a receiver type and annotate these types. Constructors of top-level classes cannot annotate their receiver type as they most not declare one.
class Foo {
class Bar {
Bar(@TypeAnnotation Foo Foo.this) { }
}
Foo() { } // Must not declare a receiver type
}
Since Foo.class....