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Oracle find a constraint
...w if you just want to check your current schema and a DBA_CONSTRAINTS view for administration users.
The construction of the constraint name indicates a system generated constraint name. For instance, if we specify NOT NULL in a table declaration. Or indeed a primary or unique key. For example:
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Event for Handling the Focus of the EditText
...elated using a TextWatcher, the listener may get called a lot - even twice for each character typed! stackoverflow.com/questions/14727248/…
– M_M
Sep 19 '18 at 13:55
add a c...
A simple jQuery form validation script [closed]
I made a simple validation form using jQuery. It's working alright. The thing is I'm not satisfied with my code. Is there another way around to write my code with the same output result?
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GROUP BY to combine/concat a column [duplicate]
...Name
WHERE [User] = a.[User] AND Activity = a.Activity
FOR XML PATH (''))
, 1, 1, '') AS URLList
FROM TableName AS a
GROUP BY [User], Activity
SQLFiddle Demo
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How to use Swift @autoclosure
...2 > 1, it's automatically wrapped into a closure to become {2 > 1} before it is passed to f. So if we apply this to the function f:
func f(pred: @autoclosure () -> Bool) {
if pred() {
print("It's true")
}
}
f(pred: 2 > 1)
// It's true
So it works with just an expressi...
Comparing Haskell's Snap and Yesod web frameworks
...ges named after both projects are obviously going to make specific choices for the above mentioned components, and these choices will be reflected in the project dependencies. But that still doesn't mean that you can't pull in something different and use it as well.
Snap does have sessions and aut...
How do iOS Push Notifications work?
...
It was too much for me to put in a comment so.
From the documentation.
Apple Push Notification service (APNs) propagates push notifications to devices having applications registered to receive those notifications. Each device establishes...
Is there a repo where you can download android virtual devices? [closed]
...endors provide or if there is a site where one could download AVD profiles for existing android devices on the market so you can run your apps in the emulator and basically see how they will run on said devices?
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DTO and DAO concepts and MVC [closed]
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DTO is an abbreviation for Data Transfer Object, so it is used to transfer the data between classes and modules of your application.
DTO should only contain private fields for your data, getters, setters, and constructors.
DTO is not recommende...
Parse JSON in C#
...ults back... you have a missing line in your Deserialize method. You were forgetting to assign the results to your obj :
public static T Deserialize<T>(string json)
{
using (MemoryStream ms = new MemoryStream(Encoding.Unicode.GetBytes(json)))
{
DataContractJsonSerializer seri...