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How to use a variable for the database name in T-SQL?
...
Put the entire script into a template string, with {SERVERNAME} placeholders. Then edit the string using:
SET @SQL_SCRIPT = REPLACE(@TEMPLATE, '{SERVERNAME}', @DBNAME)
and then run it with
EXECUTE (@SQL_SCRIPT)
It's hard to believe that, in the course of...
Rails formatting date
...
It's a time formatting function which provides you a way to present the string representation of the date. (http://ruby-doc.org/core-2.2.1/Time.html#method-i-strftime).
From APIdock:
%Y%m%d => 20071119 Calendar date (basic)
%F => 2007-11-19 ...
How do I get a YouTube video thumbnail from the YouTube API?
...5 (5) {
["default"]=>
object(stdClass)#6 (3) {
["url"]=>
string(46) "https://i.ytimg.com/vi/T0Jqdjbed40/default.jpg"
["width"]=>
int(120)
["height"]=>
int(90)
}
["medium"]=>
object(stdClass)#7 (3) {
["url"]=>
string(48) "https://i.ytimg.com...
What is the difference between a strongly typed language and a statically typed language?
...amic) type error.
For example, Lua, a dynamically typed language, has a string type, a number type, and a Boolean type, among others. In Lua every value belongs to exactly one type, but this is not a requirement for all dynamically typed languages. In Lua, it is permissible to concatenate two s...
How to check if an int is a null
...o be able to be null, you need to use Integer instead of int.
Integer id;
String name;
public Integer getId() { return id; }
Besides the statement if(person.equals(null)) can't be true, because if person is null, then a NullPointerException will be thrown. So the correct expression is if (person...
What's the difference between the 'ref' and 'out' keywords?
...e confusing part, reference types:
Lets create a reference type:
List<string> someobject = new List<string>()
When you new up someobject, two parts are created:
The block of memory that holds data for someobject.
A reference (pointer) to that block
of data.
Now when you send in ...
Sequence contains no elements?
...boxes for the title and content, the ID and date aren't put on the page at all. Could this be the reason for it passing them as null\new?
– Andy Hunt
Aug 24 '09 at 19:43
2
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What's the difference between REST & RESTful
...a dissertation by Roy Fielding, REST is an "architectural style" that basically exploits the existing technology and protocols of the Web.
RESTful is typically used to refer to web services implementing such an architecture.
...
What is the meaning of “this” in Java?
... System.out.println(this); // refers to this entire object
}
public String toString() {
return "MyThisTest a=" + a; // refers to the field a
}
}
Then calling frobnicate() on new MyThisTest() will print
1
42
MyThisTest a=42
So effectively you use it for multiple things:
clarify ...
How to get last inserted id?
...
string insertSql =
"INSERT INTO aspnet_GameProfiles(UserId,GameId) VALUES(@UserId, @GameId)SELECT SCOPE_IDENTITY()";
int primaryKey;
using (SqlConnection myConnection = new SqlConnection(myConnectionString))
{
myCon...