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What's the difference between session.Merge and session.SaveOrUpdate?
...n, do nothing
if another object associated with the session has the same identifier,
throw an exception
if the object has no identifier property, save() it
if the object's identifier has the value assigned to a newly
instantiated object, save() it
if the object is versioned (by a <v...
How do I get the value of a textbox using jQuery?
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There's a .val() method:
If you've got an input with an id of txtEmail you can use the following code to access the value of the text box:
$("#txtEmail").val()
You can also use the val(string) method to set that value:
$("#txtEmail").val("something")
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Setting PayPal return URL and making it auto return?
...RL that you enter. If the URL is not properly formatted
or cannot be validated, PayPal will not activate Auto Return.
Scroll to the bottom of the page, and click the Save button.
IPN is for instant payment notification. It will give you more reliable/useful information than what you'll g...
How to generate a new Guid in stored procedure?
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With SQL Server you can use the function NEWID. You're using C# so I assume that you're using SQL Server. I'm sure other database system have similar functions.
select NEWID()
If you're using Oracle then you can use the SYS_GUID() function. Check out the answer to t...
Does Git warn me if a shorthand commit ID can refer to 2 different commits?
If cee157 can refer to 2 different commit IDs, such as
2 Answers
2
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Generating a random & unique 8 character string using MySQL
...yVolk's or @GordonLinoff's approach, but with a seeded RAND:
e.g. Assumin id is an AUTO_INCREMENT column:
INSERT INTO vehicles VALUES (blah); -- leaving out the number plate
SELECT @lid:=LAST_INSERT_ID();
UPDATE vehicles SET numberplate=concat(
substring('ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', ...
using data-* attribute with thymeleaf
...ues.
For your scenario, this should do the job:
<div th:attr="data-el_id=${element.getId()}">
XML rules do not allow you to set an attribute twice in a tag, so you can't have more than one th:attr in the same element.
Note: If you want more that one attribute, separate the different attr...
One-liner to take some properties from object in ES 6
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Here's something slimmer, although it doesn't avoid repeating the list of fields. It uses "parameter destructuring" to avoid the need for the v parameter.
({id, title}) => ({id, title})
(See a runnable example in this other answer).
@EthanBrown's solution is more gen...
When should I use the assets as opposed to raw resources in Android?
I'm in the mid of my Android studies, and I just covered the Assets and Raw resources. I'm trying to understand the reason for using Raw resources vs. Assets.
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How to find out which view is focused?
I need to find out if any view is focused inside an Activity and what view it is. How to do this?
6 Answers
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