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What are the differences between the different saving methods in Hibernate?
...OrUpdate
Calls either save or update depending on some checks. E.g. if no identifier exists, save is called. Otherwise update is called.
save
Persists an entity. Will assign an identifier if one doesn't exist. If one does, it's essentially doing an update. Returns the generated ID of the entit...
How can I set focus on an element in an HTML form using JavaScript?
...
Do this.
If your element is something like this..
<input type="text" id="mytext"/>
Your script would be
<script>
function setFocusToTextBox(){
document.getElementById("mytext").focus();
}
</script>
...
Check if value exists in Postgres array
...Thanks. Must have skipped that part of manual. This works great. It has a side effect of automatic casting. Ex: SELECT 1::smallint = ANY ('{1,2,3}'::int[]) works. Just make sure to put ANY() on the right side of expression.
– Mike Starov
Jun 27 '12 at 23:52
...
Binding a WPF ComboBox to a custom list
...hemas.microsoft.com/winfx/2006/xaml"
Title="Window1" Height="300" Width="300">
<Grid>
<StackPanel>
<Button Click="Button_Click">asdf</Button>
<ComboBox ItemsSource="{Binding Path=PhonebookEntries}"
DisplayMemberPath="Name"
...
Is it possible to use a div as content for Twitter's Popover
... attribute. I was wondering if there was anyway to put a <div> inside the popover. Potentially, I would like to use php and mysql in there, but if i could get a div to work i think i can figure out the rest. I tried setting data-content to a div ID, but it didnt work.
...
How can I use Spring Security without sessions?
...y 3 with Java Config, you can use HttpSecurity.sessionManagement():
@Override
protected void configure(final HttpSecurity http) throws Exception {
http
.sessionManagement()
.sessionCreationPolicy(SessionCreationPolicy.STATELESS);
}
...
Build vs new in Rails 3
...ject from the clients collection, and so it can automatically set the firm_id to some_firm.id, whereas the docs are calling Client.new which has no knowledge of any Firm's id at all, so it needs the firm_id passed to it.
The only difference between some_firm.clients.new and some_firm.clients.build ...
How to send an email from JavaScript
... even though the article does say this i feel like it should be said here as well that even though this will work, there are some security issues as you need to send your api key to the client as well. this could be abused.
– cantdutchthis
Jan 28 '14 a...
Oracle “Partition By” Keyword
...ed by brand"
You say: "no problem"
SELECT
BRAND
,COUNT(ITEM_ID)
FROM
ITEMS
GROUP BY
BRAND;
Result:
+--------------+---------------+
| Brand | Count |
+--------------+---------------+
| H&M | 50 |
+--------------+---------------...
Set selected option of select box
...lue of the value attribute of the select option, not its text. See this JSFiddle, which is a very mildly edited version of Darin's demo, for an example of what I mean.
– Kenny Evitt
Aug 19 '14 at 17:51
...