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How to persist a property of type List in JPA?
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@Please_Dont_Bully_Me_SO_Lords It is less suitable for that use case since your data will be in the database as "foo;bar;foobar". If you want to query for the data then probably an ElementCollection + JoinTable is the way to go for your situation.
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AJAX POST and Plus Sign ( + ) — How to Encode?
...de);
$code= preg_replace("[\{0\}]","+",$code);
mysql_query("update table set code= '" . mysql_real_escape_string($code) . "' where pid='$pid'");
}
?>
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psql - save results of command to a file
I'm using psql's \dt to list all tables in a database and I need to save the results.
10 Answers
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How do I get current date/time on the Windows command line in a suitable format for usage in a file/
...en WMIC Path Win32_LocalTime Get Day,Hour,Minute,Month,Second,Year /Format:table. Likewise, to get 20120623-1619 in my local Amsterdam time zone, in one line: for /f %%a in ('wmic os get LocalDateTime ^| findstr ^[0-9]') do (set ts=%%a) & set datetime=%ts:~0,8%-%ts:~8,4%
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Is it correct to use DIV inside FORM?
...l. You can try it yourself at a HTML validator. Besides, it is almost inevitable these days, since the modern pages are build on div's. If it was not allowed, a simple wrapper or placing the form in a container would already make the page invalid.
– Nrzonline
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MySQL Like multiple values
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Why not you try REGEXP. Try it like this:
SELECT * FROM table WHERE interests REGEXP 'sports|pub'
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Entity Framework and SQL Server View
...s solving performance issues using Tillito solution. Lets say you have the table:
Create table OrderDetail
(
Id int primary key,
CustomerId int references Customer(Id),
Amount decimal default(0)
);
Create index ix_customer on OrderDetail(CustomerId);
and your view...
How to concatenate columns in a Postgres SELECT?
I have two string columns a and b in a table foo .
8 Answers
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How to get all properties values of a JavaScript Object (without knowing the keys)?
...se Object.keys, which is not available in IE < 9. See the compatibility table.
ECMAScript 3+
If you have to support older versions of IE, then this is the option for you:
for (var key in obj) {
if (Object.prototype.hasOwnProperty.call(obj, key)) {
var val = obj[key];
// use...
What is the difference between UNION and UNION ALL?
...cted columns need to be of the same data type.
Example: If we have two tables, 1) Employee and 2) Customer
Employee table data:
Customer table data:
UNION Example (It removes all duplicate records):
UNION ALL Example (It just concatenate records, not eliminate duplicates, so it...