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What is eager loading?
... context of a ORM (Object Relational Mapper), where you map an object to a table in a relational database.
– Loki
Aug 19 '09 at 11:44
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What is the difference between an ORM and an ODM?
...a types so you can mix RDBMS and Document-oriented storage within the same table, including indexes and advanced query!
– Arnaud Bouchez
Jul 4 '14 at 11:21
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Difference between . and : in Lua
...:method(arg) retrieves object only once. If object is a global, upvalue or table field, then : is faster than .. . is never faster than :.
– negamartin
Nov 5 '16 at 8:08
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How to find the installed pandas version
...-dev
sphinx: 1.2.2
patsy: 0.3.0
dateutil: 1.5
pytz: 2012c
bottleneck: None
tables: 3.1.1
numexpr: 2.2.2
matplotlib: 1.4.2
openpyxl: None
xlrd: 0.9.3
xlwt: 0.7.5
xlsxwriter: None
lxml: 3.3.3
bs4: 4.3.2
html5lib: 0.999
httplib2: 0.8
apiclient: None
rpy2: 2.5.5
sqlalchemy: 0.9.8
pymysql: None
psycopg2:...
SET NOCOUNT ON usage
... TDS message stream, and example is when one is inserting only values into table. DONINPROC (RPC) or DONE (BATCH) message is streamed with rowcount set to affected rows, while done_count flag is true, regardless if NO_COUNT is ON. Depends on client lib implementation in cases when query holds SELEC...
SQL selecting rows by most recent date
... ok, so what happens if there is a row 101 N 1/1/2008 in the table?
– tvanfosson
Oct 9 '08 at 21:16
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why does DateTime.ToString(“dd/MM/yyyy”) give me dd-MM-yyyy?
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If you use MVC, tables, it works like this:
<td>@(((DateTime)detalle.fec).ToString("dd'/'MM'/'yyyy"))</td>
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Swift native base class or NSObject
...r by using the '@objc' decoration. Otherwise it will follow a static- and vtable-dispatch style, like C++.
6 Answers
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How can I use NSError in my iPhone App?
... // init dictionary to be used to populate error object
NSMutableDictionary* details = [NSMutableDictionary dictionary];
[details setValue:@"ran out of money" forKey:NSLocalizedDescriptionKey];
// populate the error object with the details
*error = [NSError err...
Simplest way to profile a PHP script
...m query");
// Get all the data
$select_query = "SELECT * FROM data_table";
$result = mysql_query($select_query);
prof_flag("Retrieve data");
$rows = array();
$found_data=false;
while($r = mysql_fetch_assoc($result))
{
$found_data=true;
$rows[] = $r;
}
prof_...