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PostgreSQL query to return results as a comma separated list
Let say you have a SELECT id from table query (the real case is a complex query) that does return you several results.
5 ...
Remove empty space before cells in UITableView
I am currently trying to put a UITableView in a different location rather than at the top of my view controller. With this said, it is trying to add the header in the top to account for the navigation bar, but this is not needed since I do not have at the top of my controller.
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How may I align text to the left and text to the right in the same line?
...untime that it looks bad.
What I like to do is simply create a single row table and apply the right float on the second cell. No need to apply a left-align on the first, that happens by default. This handles overlap perfectly by word-wrapping.
HTML
<table style="width: 100%;">
<tr>&...
Where does Scala look for implicits?
...s that define which implicits are visible and which are not. The following table showing where the compiler will search for implicits was taken from an excellent presentation about implicits by Josh Suereth, which I heartily recommend to anyone wanting to improve their Scala knowledge. It has been c...
Is there a way to access the “previous row” value in a SELECT statement?
I need to calculate the difference of a column between two lines of a table. Is there any way I can do this directly in SQL? I'm using Microsoft SQL Server 2008.
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How do I drop a function if it already exists?
...'TF')
)
DROP FUNCTION function_name
GO
If you want to avoid the sys* tables, you could instead do (from here in example A):
IF object_id(N'function_name', N'FN') IS NOT NULL
DROP FUNCTION function_name
GO
The main thing to catch is what type of function you are trying to delete (denoted...
Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
...
Use the date function:
select date(timestamp_field) from table
From a character field representation to a date you can use:
select date(substring('2011/05/26 09:00:00' from 1 for 10));
Test code:
create table test_table (timestamp_field timestamp);
insert into test_table (tim...
How do I drop a foreign key in SQL Server?
...
Try
alter table company drop constraint Company_CountryID_FK
alter table company drop column CountryID
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How to use an existing database with an Android application [duplicate]
...r getTestData() {
try {
String sql ="SELECT * FROM myTable";
Cursor mCur = mDb.rawQuery(sql, null);
if (mCur != null) {
mCur.moveToNext();
}
return mCur;
} catch (SQLException mSQLException) {
...
How to convert R Markdown to PDF?
... Adding --toc would be useful on the command line (resulting in a nics table of content based on your headings) and also customizing the LaTeX template for your needs (like adding there \listoffigures and/or \listoftables etc.) could result in wonderful documents.
– daroczi...