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What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
... table), whereas the attribute mappedBy indicates that the entity in this side is the inverse of the relationship, and the owner resides in the "other" entity. This also means that you can access the other table from the class which you've annotated with "mappedBy" (fully bidirectional relationship)...
MVC3 DropDownListFor - a simple example?
.... In order to get this to work I had to create an inner class that had an ID and a value property, then I had to use an IEnumerable<Contrib> to satisfy the DropDownListFor parameter requirements. Now, however, how is MVC FW supposed to map the value that is selected on this drop-down ba...
Copy all files with a certain extension from all subdirectories
...
That exec is technically less efficient than passing into xargs, which will do it all in as few cp calls as possible: find . -name '*.xls' -print0 | xargs -0 cp -t destdir
– Taywee
Jul 1 '16 at 16:32
...
How do I flag a method as deprecated in Objective-C 2.0?
...ants available which should be used instead (some of the old ones actually call the new ones, but the overall class interface is getting messy).
...
Adding devices to team provisioning profile
...e the device so I can't hook it up to my computer so Xcode can't add the UDID to my devices and to the team provisioning profile. Is there a way to add it manually to the team provisioning profile, I can't figure out how to edit it. Also when I add the device in my provisioning portal it doesn't g...
Difference between android.app.Fragment and android.support.v4.app.Fragment
... If you override onAttach(), please see this thread to avoid it not being called under some circumstances with android.app.Fragment: stackoverflow.com/questions/32083053/…
– Hong
Jul 26 '17 at 22:11
...
How to generate a create table script for an existing table in phpmyadmin?
...script.
Step 1, create a table, insert some rows:
create table penguins (id int primary key, myval varchar(50))
insert into penguins values(2, 'werrhhrrhrh')
insert into penguins values(25, 'weeehehehehe')
select * from penguins
Step 2, use mysql dump command:
mysqldump --no-data --skip-comment...
Postgresql query between date ranges
... simpler if you use >= start AND < end.
For example:
SELECT
user_id
FROM
user_logs
WHERE
login_date >= '2014-02-01'
AND login_date < '2014-03-01'
In this case you still need to calculate the start date of the month you need, but that should be straight forward in any num...
What is the exact difference between currentTarget property and target property in javascript
...
window.onload = function() {
var resultElem = document.getElementById('result')
document.getElementById('1').addEventListener(
'click',
function(event) {
resultElem.innerHTML += ('<div>target: ' + event.target.id + '</div>')
resultElem.innerHTML += ('&l...
Twitter Bootstrap 3 Sticky Footer
...official Boostrap3 sticky footer example,
there is no need to add <div id="push"></div>, and the CSS is simpler.
The CSS used in the official example is:
/* Sticky footer styles
-------------------------------------------------- */
html,
body {
height: 100%;
/* The html and body ...