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Tooltips for cells in HTML table (no Javascript)
Is it possible to have tooltips for table cells with no JavaScript. Can't use it.
6 Answers
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Building a notification system [closed]
...this topic is already quite old, however i'm a bit puzzled about the first table, what excactly is the purpose of this table? what is the advantage of having this as a separate table versus putting the userID in the notification_object table? In other words when will you create a new entry in notifi...
Select row with most recent date per user
I have a table ("lms_attendance") of users' check-in and out times that looks like this:
11 Answers
...
What is Normalisation (or Normalization)?
...he other, which is data corruption. The problem is solved by splitting the table in two, and creating a primary key/foreign key relationship:
UserId(FK) | Car UserId(PK) | UserName
--------------------- -----------------
1 | Toyota 1 | John
2 ...
Postgres DB Size Command
... of all the databases that you can connect to from the "pg_datbase" system table. Just apply the function to the names, as below.
select t1.datname AS db_name,
pg_size_pretty(pg_database_size(t1.datname)) as db_size
from pg_database t1
order by pg_database_size(t1.datname) desc;
If you int...
What is DOM Event delegation?
...efinition.
It refers to handling bubbling events from many elements, like table cells, from a parent object, like the table. It can keep the code simpler, especially when adding or removing elements, and saves some memory.
...
How to check if a Constraint exists in Sql server?
...QUE, PRIMARY KEY, and/or FOREIGN KEY
SELECT *
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
WHERE CONSTRAINT_NAME='XYZ'
--Returns one row for each FOREIGN KEY constrain
SELECT *
FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
WHERE CONSTRAINT_NAME='XYZ'
--Returns one row for eac...
Sql query to insert datetime in SQL Server
I want to insert a datetime value into a table(SQL Server) using the sql query below
7 Answers
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What is the best way to implement nested dictionaries?
... star-schema design, you might want to structure it more like a relational table and less like a dictionary.
import collections
class Jobs( object ):
def __init__( self, state, county, title, count ):
self.state= state
self.count= county
self.title= title
self.c...
Convert generic List/Enumerable to DataTable?
...te using FastMember from NuGet:
IEnumerable<SomeType> data = ...
DataTable table = new DataTable();
using(var reader = ObjectReader.Create(data)) {
table.Load(reader);
}
This uses FastMember's meta-programming API for maximum performance. If you want to restrict it to particular members (...