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Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit
...oes not exist. You can drag entities, associate them and so forth and yet, if you take a look at the SSDL on the EDMX file, you will see that none of the entities have an associated storage table in the SSDL.
That changes when you click the Generate Database From Model context menu item. The confus...
Lua string to int
...
All numbers in Lua are floats (edit: Lua 5.2 or less). If you truly want to convert to an "int" (or at least replicate this behavior), you can do this:
local function ToInteger(number)
return math.floor(tonumber(number) or error("Could not cast '" .. tostring(number) .. "' t...
Converting XDocument to XmlDocument and vice versa
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@locster the declaration is handled differently between XmlDocument (as a property) and XDocument (as a node). If you want to preserve the declaration, you'll need to handle it explicitly (see blogs.msdn.com/b/ericwhite/archive/2010/03/05/… or @Dmitry's answe...
How do you track record relations in NoSQL?
...Use the same criteria you would use to denormalize a relational database: if it's more important for data to have cohesion (think of values in a comma-separated list instead of a normalized table), then do it that way.
But this inevitably optimizes for one type of query (e.g. comments by any user ...
SQL “select where not in subquery” returns no results
...
Update:
These articles in my blog describe the differences between the methods in more detail:
NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: SQL Server
NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: PostgreSQL
NOT IN vs. NOT EXISTS vs. LEFT JOIN / IS NULL: Oracle
NOT IN...
ASP.NET: Session.SessionID changes between requests
...D is generated for each page request until the session object is accessed. If your application requires a static session ID for the entire session, you can either implement the Session_Start method in the application's Global.asax file and store data in the Session object to fix the session ID, or y...
A Java collection of value pairs? (tuples?)
...^ right.hashCode(); }
@Override
public boolean equals(Object o) {
if (!(o instanceof Pair)) return false;
Pair pairo = (Pair) o;
return this.left.equals(pairo.getLeft()) &&
this.right.equals(pairo.getRight());
}
}
And yes, this exists in multiple places on th...
Android TextView with Clickable Links: how to capture clicks?
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Wonderful, but if you apply it to a ListView (i mean, to each element's inner TextView), makes the list unclickable, though links are still clickable
– voghDev
May 27 '14 at 15:45
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How to use http.client in Node.js if there is basic authorization
...usCode);
console.log('HEADERS: ' + JSON.stringify(response.headers));
response.setEncoding('utf8');
response.on('data', function (chunk) {
console.log('BODY: ' + chunk);
...
Are Java static initializers thread safe?
...ava static initializers are thread safe (use your first option).
However, if you want to ensure that the code is executed exactly once you need to make sure that the class is only loaded by a single class-loader. Static initialization is performed once per class-loader.
...