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Difference between innerText, innerHTML, and childNodes[].value?
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The examples below refer to the following HTML snippet:
<div id="test">
Warning: This element contains <code>code</code> and <strong>strong language</strong>.
</div>
The node will be referenced by the following JavaScript:
var x = document.getElem...
What is “android.R.layout.simple_list_item_1”?
I've started learning Android development and am following a todolist example from a book:
7 Answers
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How do I get a raw, compiled SQL query from a SQLAlchemy expression?
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This blog provides an updated answer.
Quoting from the blog post, this is suggested and worked for me.
>>> from sqlalchemy.dialects import postgresql
>>> print str(q.statement.compile(dialect=postgresql.dialect()))
Wh...
What are the uses for Cross Join?
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If you have a "grid" that you want to populate completely, like size and color information for a particular article of clothing:
select
size,
color
from
sizes CROSS JOIN colors
Maybe you want a table that contains a row for ev...
What is token-based authentication?
...this different from SessionAuthentication, where user can obtain a session_id by enterting his username and password, and then uses this session_id in subsequent request ?
– Saurabh Verma
Oct 27 '14 at 14:12
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Html helper for
... (Note that FileExtensionsAttribute is available in MvcFutures. It will validate file extensions client side and server side.)
public class ViewModel
{
[Required, Microsoft.Web.Mvc.FileExtensions(Extensions = "csv",
ErrorMessage = "Specify a CSV file. (Comma-separated values)")]
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SQL exclude a column using SELECT * [except columnA] FROM tableA?
...le "SQL column rename" or "SQL column alias". Something like SELECT table1.ID AS table1ID ..., IIRC.
– ToolmakerSteve
Aug 21 '14 at 2:44
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
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Try to do an UPDATE. If it doesn't modify any row that means it didn't exist, so do an insert. Obviously, you do this inside a transaction.
You can of course wrap this in a function if you don't want to put the extra code on the client side. You also need a loop for the very rare race con...
How do you test a public/private DSA keypair?
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In my case, a central work server has a few dozen id_rsa.pub.blahhost files and I didn't know which one matched the lone id_rsa private key & I'm setting up passwordless scp so I can migrate off old websites. Making a new key pair is not an option; I've got my keys set u...
How to create a custom attribute in C#
... in order to create functionality.
So, for instance, let's look at the Validation Application Block, from Microsoft's Enterprise Library. If you look at a code example, you'll see:
/// <summary>
/// blah blah code.
/// </summary>
[DataMember]
[StringLengthValidator(...