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SQL RANK() versus ROW_NUMBER()
...rows are tied when ordered by ID)
WITH T(StyleID, ID)
AS (SELECT 1,1 UNION ALL
SELECT 1,1 UNION ALL
SELECT 1,1 UNION ALL
SELECT 1,2)
SELECT *,
RANK() OVER(PARTITION BY StyleID ORDER BY ID) AS 'RANK',
ROW_NUMBER() OVER(PARTITION BY StyleID ORDER BY...
Is Safari on iOS 6 caching $.ajax results?
...lobal level rather than having to hack random querystrings onto the end of service calls is to set "Cache-Control: no-cache".
So:
No Cache-Control or Expires headers = iOS6 Safari will cache
Cache-Control max-age=0 and an immediate Expires = iOS6 Safari will cache
Cache-Control: no-cache = iOS6 S...
What are the Web.Debug.config and Web.Release.Config files for?
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How to deploy an ASP.NET Application with zero downtime
...
You can also configure the load balancer so that it services existing sessions for a given server, but doesn't accept new ones. That allows you to avoid dropping sessions. This technique however requires waiting for the sessions to end, and in general you'll want to script thi...
BCL (Base Class Library) vs FCL (Framework Class Library)
...erent types of applications and provides all the basic functionalities and services that application needs. FCL includes classes and services to support different variety of application e.g.
Desktop application,
Web application (ASP.Net, MVC, WCF),
Mobile application,
Xbox application,
windows ser...
How do I modify fields inside the new PostgreSQL JSON datatype?
...FROM json_each("json")
WHERE "key" <> "key_to_set"
UNION ALL
SELECT "key_to_set", to_json("value_to_set")) AS "fields"
$function$;
SQLFiddle
Edit:
A version, which sets multiple keys & values:
CREATE OR REPLACE FUNCTION "json_object_set_keys"(
"json" j...
What's the best way to join on the same table twice?
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Interface type check with Typescript
...mentioned: since TypeScript 2.0, you can even take the advantage of tagged union type.
interface Foo {
type: 'foo';
fooProperty: string;
}
interface Bar {
type: 'bar';
barProperty: number;
}
let object: Foo | Bar;
// You will see errors if `strictNullChecks` is enabled.
if (objec...
ASP.NET MVC 4 Custom Authorize Attribute with Permission Codes (without roles)
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Alternative to iFrames with HTML5
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@Mike, the alternative would be to use the API for the service you would like to use. Google provides RESTful APIs for most of its services.
– Darin Dimitrov
Apr 8 '13 at 10:54
...