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Looking to understand the iOS UIViewController lifecycle
...mes when subviews of the main view are loaded, for example when cells of a table view or collection view are loaded.
UPDATE - As @Maria pointed inside comment, description of loadView was updated
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Mapping composite keys using EF code first
Sql server table:
4 Answers
4
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Optimistic vs. Pessimistic locking
... diagram above, both Alice and Bob will acquire a read lock on the account table row that both users have read. The database acquires these locks on SQL Server when using Repeatable Read or Serializable.
Because both Alice and Bob have read the account with the PK value of 1, neither of them can ch...
How to get a DOM Element from a JQuery Selector
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You can access the raw DOM element with:
$("table").get(0);
or more simply:
$("table")[0];
There isn't actually a lot you need this for however (in my experience). Take your checkbox example:
$(":checkbox").click(function() {
if ($(this).is(":checked")) {
/...
Select multiple records based on list of Id's with linq
I have a list containing Id's of my UserProfile table. How can i select all UserProfiles based on the list of Id's i got in a var using LINQ ?
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How can I reliably get an object's address when operator& is overloaded?
... Function-to-Pointer conversion both having "Exact Match" rank (13.3.3.1.1 table 9).
The reference to function pass through addr_impl_ref, there is an ambiguity in the overload resolution for the choice of f, which is solved thanks to the dummy argument 0, which is an int first and could be promote...
Simple state machine example in C#?
...n the current state and command, or looking up transitions in a transition table. For this simple state machine, I prefer a transition table, which is very easy to represent using a Dictionary:
using System;
using System.Collections.Generic;
namespace Juliet
{
public enum ProcessState
{
...
PHP: How to remove all non printable characters in a string?
...SCII?
If your Tardis just landed in 1963, and you just want the 7 bit printable ASCII chars, you can rip out everything from 0-31 and 127-255 with this:
$string = preg_replace('/[\x00-\x1F\x7F-\xFF]/', '', $string);
It matches anything in range 0-31, 127-255 and removes it.
8 bit extended ASCI...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...tly by creating a database and assigning ownership to your app's user to establish the connection. To create a new user in postgresql 9 run:
sudo -u postgres psql
set the postgresql user password if you haven't, it's just backslash password.
postgres=# \password
Create a new user and password ...
Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
...) - square(avg(t2.monret))))),
current_timestamp,@MaxDate
from Table1 t1 join Table1 t2 on t1.Date = traDate
group by t1.index_id,t2.index_id
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