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SQL Server 2005 How Create a Unique Constraint?
...
The SQL command is:
ALTER TABLE <tablename> ADD CONSTRAINT
<constraintname> UNIQUE NONCLUSTERED
(
<columnname>
)
See the full syntax here.
If you want to do it from a Database Dia...
Authentication versus Authorization
...ontext of web applications? I see the abbreviation "auth" a lot. Does it stand for auth -entication or auth -orization? Or is it both?
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Profiling Vim startup time
...with how long Vim takes to start now, so I’d like to profile its startup and see which of the many plugins I have are responsible.
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Best Practices: working with long, multiline strings in PHP?
...t
of your multiline string.
$var
EOT;
The difference between Heredoc and Nowdoc is that PHP code embedded in a heredoc gets executed, while PHP code in Nowdoc will be printed out as is.
$var = "foo";
$text = <<<'EOT'
My $var
EOT;
In this case $text will have the value My $var.
N...
sed in-place flag that works both on Mac (BSD) and Linux
...on of sed todo in-place editing without backups that works both on Linux and Mac? While the BSD sed shipped with OS X seems to need sed -i '' … , the GNU sed Linux distributions usually come with interprets the quotes as empty input file name (instead of the backup extension), and needs se...
Returning value from Thread
I have a method with a HandlerThread . A value gets changed inside the Thread and I'd like to return it to the test() method. Is there a way to do this?
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How to check if std::map contains a key without doing insert?
The only way I have found to check for duplicates is by inserting and checking the std::pair.second for false , but the problem is that this still inserts something if the key is unused, whereas what I want is a map.contains(key); function.
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Create a temporary table in a SELECT statement without a separate CREATE TABLE
...only) table from a select statement without using a create table statement and specifying each column type? I know derived tables are capable of this, but those are super-temporary (statement-only) and I want to re-use.
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How do I get IntelliJ IDEA to display directories?
I've been trying out IntelliJ IDEA for JavaScript editing, and I like it so far, but I'm having a small problem with a new project.
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How do I implement a callback in PHP?
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The manual uses the terms "callback" and "callable" interchangeably, however, "callback" traditionally refers to a string or array value that acts like a function pointer, referencing a function or class method for future invocation. This has allowed some elemen...