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Android add placeholder text to EditText
...Ah, ok. What you're looking for is setHint(int). Simply pass in a resource id of a string from your xml and you're good to go.
EDIT
And in XML, it's simply android:hint="someText"
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How do I get the n-th level parent of an element in jQuery?
...g 17 '11 at 13:37
Frédéric HamidiFrédéric Hamidi
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Is SQL or even TSQL Turing Complete?
...e true programming languages, so that's kinda cheating).
In this set of slides Andrew Gierth proves that with CTE and Windowing SQL is Turing Complete, by constructing a cyclic tag system, which has been proved to be Turing Complete. The CTE feature is the important part however -- it allows you to...
How to return a file using Web API?
...
Better to return HttpResponseMessage with StreamContent inside of it.
Here is example:
public HttpResponseMessage GetFile(string id)
{
if (String.IsNullOrEmpty(id))
return Request.CreateResponse(HttpStatusCode.BadRequest);
string fileName;
string localFilePath;...
How to select rows with no matching entry in another table?
...
Here's a simple query:
SELECT t1.ID
FROM Table1 t1
LEFT JOIN Table2 t2 ON t1.ID = t2.ID
WHERE t2.ID IS NULL
The key points are:
LEFT JOIN is used; this will return ALL rows from Table1, regardless of whether or not there is a matching row in Table2.
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What is the easiest way to ignore a JPA field during persistence?
...e String token;
TIP:
You can also use JsonInclude.Include.NON_NULL and hide fields in JSON during deserialization when token == null:
@JsonInclude(JsonInclude.Include.NON_NULL)
@Transient
private String token;
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SQL Add foreign key to existing column
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Error indicates that there is no UserID column in your Employees table. Try adding the column first and then re-run the statement.
ALTER TABLE Employees
ADD CONSTRAINT FK_ActiveDirectories_UserID FOREIGN KEY (UserID)
REFERENCES ActiveDirectories(id);
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MySql Table Insert if not exist otherwise update
.... (Bug #11765650, Bug #58637) Bug 58637 description bugs.mysql.com/bug.php?id=58637
– broadband
Sep 2 '14 at 13:28
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CASCADE DELETE just once
...cascade.
DELETE FROM some_child_table WHERE some_fk_field IN (SELECT some_id FROM some_Table);
DELETE FROM some_table;
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Change bundle identifier in Xcode when submitting my first app in IOS
.... I have entered iOS Provisioning Portal and I am about to create an app ID.
11 Answers
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