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How do I rename a column in a database table using SQL?
...can do it with regular ALTER TABLE statement:
=> SELECT * FROM Test1;
id | foo | bar
----+-----+-----
2 | 1 | 2
=> ALTER TABLE Test1 RENAME COLUMN foo TO baz;
ALTER TABLE
=> SELECT * FROM Test1;
id | baz | bar
----+-----+-----
2 | 1 | 2
...
How to set margin of ImageView using code, not xml
...
android.view.ViewGroup.MarginLayoutParams has a method setMargins(left, top, right, bottom). Direct subclasses are: FrameLayout.LayoutParams, LinearLayout.LayoutParams and RelativeLayout.LayoutParams.
Using e.g. LinearLayout:
Li...
What is the correct JSON content type?
...ebody which contains plain text. Now that plain text just happens to be valid JSON as well. Would I then be wrong to use text/plain as its mime-type? JSON is a SUB-TYPE of text. So I think both should be allowed. The question is which works better in practice. According to comment by codetoshare IE ...
cartesian product in pandas
...e cartesian product on.
My use case was that I needed a list of all store IDs on for each week in my list. So, I created a list of all the weeks I wanted to have, then a list of all the store IDs I wanted to map them against.
The merge I chose left, but would be semantically the same as inner in t...
JSON Array iteration in Android/Java
I am building an android app that needs to download and synchronise with an online database, I am sending my query from the app to a php page which returns the relevant rows from a database in JSON format.
...
What is state-of-the-art for text rendering in OpenGL as of version 4.1? [closed]
...just change your "font_weight" uniform). For a glow effect, one simply considers everything above one threshold as "in" and everything above another (smaller) threshold as "out, but in glow", and LERPs between the two. Antialiasing works similarly.
By using an 8-bit signed distance value rather tha...
Adding 'serial' to existing column in Postgres
... have a small table (~30 rows) in my Postgres 9.0 database with an integer ID field (the primary key) which currently contains unique sequential integers starting at 1, but which was not created using the 'serial' keyword.
...
$apply already in progress error
...
You are getting this error because you are calling $apply inside an existing digestion cycle.
The big question is: why are you calling $apply? You shouldn't ever need to call $apply unless you are interfacing from a non-Angular event. The existence of $apply usually means I am doi...
How to Animate Addition or Removal of Android ListView Rows
...e addition and removal of UITableView rows, here's a clip from a youtube video showing the default animation. Note how the surrounding rows collapse onto the deleted row. This animation helps users keep track of what changed in a list and where in the list they were looking at when the data chan...
Detecting request type in PHP (GET, POST, PUT or DELETE)
...thing then 'something' will be in $_GET['var'].
– David Gallagher
Feb 7 '12 at 4:51
15
$_POST and...