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How to detect if a stored procedure already exists
... the other answer is a little more complete as it only pulls the object id for stored procedures. not common to have the same name for different types but it could happen
– workabyte
Aug 25 '14 at 14:08
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How to load external webpage inside WebView
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Dont forget to add Permission <uses-permission android:name="android.permission.INTERNET" />
– star18bit
Jun 5 '13 at 5:38
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Select2 dropdown but allow new values by user?
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For version 4+ check this answer below by Kevin Brown
In Select2 3.5.2 and below, you can use something like:
$(selector).select2({
minimumInputLength:1,
"ajax": {
data:function (term, page) {
return { term:te...
What does inverse_of do? What SQL does it generate?
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From the documentation, it seems like the :inverse_of option is a method for avoiding SQL queries, not generating them. It's a hint to ActiveRecord to use already loaded data instead of fetching it again through a relationship.
Their example:
class Dungeon < ActiveRecord::Base
has_many :tra...
ORA-00979 not a group by expression
...key. Then "select A,B,max(C), D ... group by A, B" is not ambiguous, since for each combination of A,B and C, D is already defined. Still oracle refuses to do its job.
– g.a
Mar 6 '17 at 17:17
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How to change the session timeout in PHP?
...ng session.gc_maxlifetime along with session_set_cookie_params should work for you like this:
// server should keep session data for AT LEAST 1 hour
ini_set('session.gc_maxlifetime', 3600);
// each client should remember their session id for EXACTLY 1 hour
session_set_cookie_params(3600);
session_...
Generating a unique machine id
I need to write a function that generates an id that is unique for a given machine running a Windows OS.
15 Answers
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Count with IF condition in MySQL query
I have two tables, one is for news and the other one is for comments and I want to get the count of the comments whose status has been set as approved.
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Rails params explained?
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The params come from the user's browser when they request the page. For an HTTP GET request, which is the most common, the params are encoded in the url. For example, if a user's browser requested
http://www.example.com/?foo=1&boo=octopus
then params[:foo] would be "1" and params[:boo]...
Start an Activity with a parameter
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You may want to make sure b != null before you start grabbing from it
– Andrew
Oct 12 '10 at 15:03
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