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Find rows that have the same value on a column in MySQL
...
This query will give you a list of email addresses and how many times they're used, with the most used addresses first.
SELECT email,
count(*) AS c
FROM TABLE
GROUP BY email
HAVING c > 1
ORDER BY c DESC
If you want the full rows:
select * from table where email ...
How to handle Objective-C protocols that contain properties?
...tocol, you have to do everything to make sure anObject works.
@property and @synthesize are at heart two mechanisms that generate code for you. @property is just saying there will be a getter (and/or setter) method for that property name. These days @property alone is enough to also have method...
Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes
...be generated if you don't have one alredy, in my case I alredy had the key and just needed to add the key to heroku
– joseramonc
Dec 3 '14 at 16:19
4
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How to pass an object from one activity to another on Android
...ng to work on sending an object of my customer class from one Activity and display it in another Activity .
32 Answers...
App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
...top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}
Using setImageDrawable dynamically to set image in an ImageView
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However using setImageResource() "does Bitmap reading and decoding on the UI thread, which can cause a latency hiccup ... consider using setImageDrawable() or setImageBitmap()." (Android documentation)
– chetto
Oct 25 '12 at 18:30
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What does Html.HiddenFor do?
...ul for fields in your Model/ViewModel that you need to persist on the page and have passed back when another call is made but shouldn't be seen by the user.
Consider the following ViewModel class:
public class ViewModel
{
public string Value { get; set; }
public int Id { get; set; }
}
N...
How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller
...ernative is to create an intermediate Service layer between the Controller and the Repository that could expose methods which initialize lazy collections.
Update:
Please note that the above solution is easy, but results in two distinct queries to the database (one for the user, another one for its r...
Why can't radio buttons be “readonly”?
... Disabled doesn't work, because it doesn't submit the value (or does it?), and it grays out the radio button. Read-only is really what I'm looking for, but for some mysterious reason it doesn't work.
...
jQuery UI Sortable Position
... to the events, specifically you want the stop event, the ui.item property and .index(), like this:
$("#sortable").sortable({
stop: function(event, ui) {
alert("New position: " + ui.item.index());
}
});
You can see a working demo here, remember the .index() value is zero-based, so...