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Difference between a user and a schema in Oracle?
...Tom
You should consider a schema to be the user account and collection of all objects therein
as a schema for all intents and purposes.
SCOTT is a schema that includes the EMP, DEPT and BONUS tables with various grants, and
other stuff.
SYS is a schema that includes tons of tables, views, grant...
IntelliJ IDEA: Move line?
I really like IntelliJ IDEA's "Move statement" shortcut ( Ctrl + Shift + ↑ / ↓ ). However -- I am not sure if this is a bug releated to ActionScript editing only -- move statement is not always what I want and sometimes it is not correct when editing AS code.
...
Difference between make and build in Android Studio
...ed. Others are seldom used.
It is the same as IntelliJ Idea.
Compile All the source files in the specified scope are compiled. The scope in this case may be a file, a package, etc.
Make Project All the source files in the entire project that have been modified since the last compilation a...
How do you switch pages in Xamarin.Forms?
... next page slide in,
TabbedPage, the one you don't like
CarouselPage, that allows for switching left and right to next/prev pages.
On top of this, all pages also supports PushModalAsync() which just push a new page on top of the existing one.
At the very end, if you want to make sure the user can...
How do you work with an array of jQuery Deferreds?
...data be loaded in a certain order: the root URL, then the schemas, then finally initialize the application with the schemas and urls for the various data objects. As the user navigates the application, data objects are loaded, validated against the schema, and displayed. As the user CRUDs the data...
How do I parse JSON in Android? [duplicate]
...
Android has all the tools you need to parse json built-in. Example follows, no need for GSON or anything like that.
Get your JSON:
Assume you have a json string
String result = "{\"someKey\":\"someValue\"}";
Create a JSONObject:
JS...
xUnit.net: Global setup + teardown?
... protected TestsBase()
{
// Do "global" initialization here; Called before every test method.
}
public void Dispose()
{
// Do "global" teardown here; Called after every test method.
}
}
public class DummyTests : TestsBase
{
// Add test methods
}
However, ...
How does the new automatic reference counting mechanism work?
...rty assignments are inexpensive (as discussed here). I know I'm replacing all of my existing Mac GC code with ARC implementations.
As to whether this could be extended to other languages, it seems geared around the reference counting system in Objective-C. It might be difficult to apply this to J...
How do I use jQuery's form.serialize but exclude empty fields
...tween #myForm and :input as it is the descendant operator.
:input matches all input, textarea, select and button elements.
[value!=''] is an attribute not equal filter. The weird (and helpful) thing is that all :input element types have value attributes even selects and checkboxes etc.
Finally to...
How can I use interface as a C# generic type constraint?
...nHolt: I think think the creators of .NET, in deciding what constraints to allow, were focused on ones that would let generic classes and methods do things with generic types that they otherwise could not, rather than on preventing them from being used in nonsensical ways. That having been said, an...