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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)...
Best way to add “current” class to nav in Rails 3
...
I did this method with great success. Added this code to the view: <%= link_to "Users", users_path, class: (controller?("users") ? 'selected' : nil) %> Really neat that it works for both /users and /users/new.
...
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...
What does “hashable” mean in Python?
...shable by default; they all compare unequal, and their hash value is their id().
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Autocomplete applying value not label to textbox
... $("#customer-search").val(ui.item.label);
}
});
Example: http://jsfiddle.net/andrewwhitaker/LCv8L/
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Webview load html from assets directory
...is probably null.
public class ViewWeb extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.webview);
WebView wv;
wv = (WebView) findViewBy...
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 ...
Input widths on Bootstrap 3
...y there is no way to do it with the build in functionality without using grid or adding extra css. Grids do not work well if you are dealing with help-block elements that need to go beyond a short input for example but they are 'build-in'. If that is an issue I recommend using extra css classes wh...