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PDO Prepared Inserts multiple rows in single query
...a.
With prepared inserts you need to know the fields you're inserting to, and the number of fields to create the ? placeholders to bind your parameters.
insert into table (fielda, fieldb, ... ) values (?,?...), (?,?...)....
That is basically how we want the insert statement to look like.
Now, t...
How do you run JavaScript script through the Terminal?
... script - exactly as you do for Python, though the latter ships with the standard distribution.
If you have Rhino (or alternative) installed and on your path, then running JS can indeed be as simple as
> rhino filename.js
It's worth noting though that while JavaScript is simply a language in ...
T-SQL get SELECTed value of stored procedure
...
there are three ways you can use: the RETURN value, and OUTPUT parameter and a result set
ALSO, watch out if you use the pattern: SELECT @Variable=column FROM table ...
if there are multiple rows returned from the query, your @Variable will only contain the value from the l...
What is the fastest way to create a checksum for large files in C#
... is that SHA256Managed reads 4096 bytes at a time (inherit from FileStream and override Read(byte[], int, int) to see how much it reads from the filestream), which is too small a buffer for disk IO.
To speed things up (2 minutes for hashing 2 Gb file on my machine with SHA256, 1 minute for MD5) wra...
MySQL Query GROUP BY day / month / year
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GROUP BY YEAR(record_date), MONTH(record_date)
Check out the date and time functions in MySQL.
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What do parentheses surrounding an object/function/class declaration mean? [duplicate]
I'm new to both JavaScript and YUI . In YUI library examples, you can find many uses of this construct:
7 Answers
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Case in Select Statement
I have an SQL statement that has a CASE from SELECT and I just can't get it right. Can you guys show me an example of CASE where the cases are the conditions and the results are from the cases. For example:
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AWK: Access captured group from line pattern
If I have an awk command
6 Answers
6
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Declaring an enum within a class
...is declared within the Car class in order to limit the scope of the enum and to try not to "pollute" the global namespace.
...
MySQL: Set user variable from result of query
...rator. However inside other statements, the assignment operator must be := and not = because = is treated as a comparison operator in non-SET statements.
UPDATE:
Further to comments below, you may also do the following:
SET @user := 123456;
SELECT `group` FROM user LIMIT 1 INTO @group;
SELECT ...