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Some questions about Automatic Reference Counting in iOS5 SDK
... existing code, you can keep using it as is with the -fno-objc-arc you can selectively disable ARC on any file.
If you want to disable ARC on MULTIPLE files:
Select desired files at Target/Build Phases/Compile Sources in Xcode
PRESS ENTER. (double click selects only one file)
Type -fno-objc-arc...
What key shortcuts are to comment and uncomment code?
...e Environment -> Keyboard page.
These commands are named Edit.CommentSelection and Edit.UncommentSelection.
(With my settings, these are bound to Ctrl+K, Ctrl+C and Ctrl+K, Ctrl+U. I would guess that these are the defaults, at least in the C++ defaults, but I don't know for sure. The best w...
Where are shared preferences stored?
...nal database to store it. To see it go to,
1) Go to View in the menu bar. Select Tool Windows.
2) Click on Device File Explorer.
3) Device File Explorer opens up in the right hand side.
4) Find the data folder and click on it.
5) In the data folder, you can select another data folder.
6) Try t...
File Upload ASP.NET MVC 3.0
...esult Index(HttpPostedFileBase file)
{
// Verify that the user selected a file
if (file != null && file.ContentLength > 0)
{
// extract only the filename
var fileName = Path.GetFileName(file.FileName);
// store the file insi...
What to do about Eclipse's “No repository found containing: …” error messages?
...ything now. I check for updates and get a list of updates. All I can do is select which ones I want. Next it is a review screen, where I can't actually do anything except go back, cancel, or finish. I've also looked under preferences but can't find anything.
– aptwebapps
...
CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]
...
if not exists (select * from sysobjects where name='cars' and xtype='U')
create table cars (
Name varchar(64) not null
)
go
The above will create a table called cars if the table does not already exist.
...
date(): It is not safe to rely on the system\'s timezone settings.解决...
...tting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.(2)
It is not safe to rely on the system解决方法,其实就是时区设置不正确造成的,本文提供了3种方法来解决...
Insert auto increment primary key to existing table
...etrieve it by id immediately, MySQL offers LAST_INSERT_ID() for that value SELECT * FROM table_name WHERE id = LAST_INSERT_ID() and most programming language APIs offer some function/method to return that value in the application code.
– Michael Berkowski
Jan 2...
nvarchar(max) vs NText
...was instant.
I ran the following to find all columns needing conversion:
SELECT concat('ALTER TABLE dbo.[', table_name, '] ALTER COLUMN [', column_name, '] VARCHAR(MAX)'), table_name, column_name
FROM information_schema.columns where data_type = 'TEXT' order by table_name, column_name
SELECT conc...
w3wp process not found
...
GoTo Web Project properties -> Select (Web) on the left sidebar -> GoTo under (Servers) header -> Click to dropdown and select "Local IIS"
and apply. Then, when you start debugging you will see w3wp.exe on the proccess list.
...