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How to select date from datetime column?
...f operators in an indexed column is high. These are some test results on a table with 1,176,000 rows:
using datetime LIKE '2009-10-20%' => 2931ms
using datetime >= '2009-10-20 00:00:00' AND datetime <= '2009-10-20 23:59:59' => 168ms
When doing a second call over the same query the di...
Dismiss keyboard by touching background of UITableView
I have a UITableView with UITextField s as cells. I would like to dismiss the keyboard when the background of the UITableView is touched. I'm trying to do this by creating a UIButton the size of the UITableView and placing it behind the UITableView . The only problem is the UIButton i...
How to do a regular expression replace in MySQL?
I have a table with ~500k rows; varchar(255) UTF8 column filename contains a file name;
13 Answers
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MySQL LIKE IN()?
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Over 1 million rows in my table. REGEX arround 0.0009 and LIKE arround 0.0005. If more then 5 REGEX, arround 0.0012...
– David Bélanger
Nov 26 '11 at 5:24
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What's the difference between deque and list STL containers?
..., it is frequently one of the most important reasons to select the most suitable container for a certain application.
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LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca
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It's true this method would be inefficient for any table that contains more than one record, meaning all tables in existence :-). However, this answer did help me today because I was doing a .Select projection that included toString() so calling .ToList() before hand had no ...
Ruby on Rails generates model field:type - what are the options for field:type?
...tetime, :timestamp,
:time, :date, :binary, :boolean, :references
See the table definitions section.
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Sqlite: CURRENT_TIMESTAMP is in GMT, not the timezone of the machine
I have a sqlite (v3) table with this column definition:
11 Answers
11
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How can I use UUIDs in SQLAlchemy?
...uuid.UUID(bytes=value)
else:
return None
def is_mutable(self):
return False
id_column_name = "id"
def id_column():
import uuid
return Column(id_column_name,UUID(),primary_key=True,default=uuid.uuid4)
# Usage
my_table = Table('test',
metadata,
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What's the difference between CSS classes .foo.bar (without space) and .foo .bar (with space) [dupli
...t">.
In general, each part of a selector applies to one HTML element.
table[border].clname means a table with a border attribute and a class of clname, while table [border] .clname means an element with class clname, in an element with a border attribute, in a table.
(Edit: well, I say "one HT...